User manual
SATEL-LP
Wireless transmission system for
serial interfaces and I/O signals
UM EN SATEL-LP
2015-12-16
SATEL 106983_en_01
SATEL-LP
Wireless transmission system for serial interfaces and I/O signals
UM EN SATEL-LP
01
Wireless modules: Order No.
SATEL-LP24 YM0424
SATEL-LP8 YM0408
I/O extension modules:
SATEL-LP-AI4 YI0103
SATEL-LP-PT100 YI0108
SATEL-LP-AO4 YI0104
SATEL-LP-DI4 YI0101
SATEL-LP-DI8 YI0106
SATEL-LP-DOR4 YI0102
SATEL-LP-DO8 YI0107
SATEL-LP-DAIO6 YI0105
User manual
Designation:
Revision:
This user manual is valid for:
SATEL
Please observe the following notes
User group of this manual
The use of products described in this manual is oriented exclusively to qualified electricians
or persons instructed by them, who are familiar with applicable standards and other regula-
tions regarding electrical engineering and, in particular, the relevant safety concepts.
Explanation of symbols used and signal words
How to contact us
Internet Up-to-date information on Satel products and our Terms and Conditions can be found on
the Internet at:
www.satel.com
Make sure you always use the latest documentation.
It can be downloaded at:
www.satel.com
Distributors If there are any problems that cannot be solved using the documentation, please contact
your Satel distributor.
Distributor contact information is available at www.satel.com
.
Published by Satel Oy
Meriniitynkatu 17, P.O. Box 142
FI-24101 Salo
FINLAND
This manual, including all illustrations contained herein, is copyright protected. Any
changes to the contents or the publication of extracts of this document is prohibited.
Other product identifications may be afforded legal protection, even where they may not be
indicated as such.
This is the safety alert symbol. It is used to alert you to potential personal injury
hazards. Obey all safety measures that follow this symbol to avoid possible in-
jury or death.
There are three different categories of personal injury that are indicated with a
signal word.
DANGER This indicates a hazardous situation which, if not avoided, will re-
sult in death or serious injury.
WARNING This indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION This indicates a hazardous situation which, if not avoided, could
result in minor or moderate injury.
This symbol together with the signal word NOTE and the accompanying text
alert the reader to a situation which may cause damage or malfunction to the
device, hardware/software, or surrounding property.
This symbol and the accompanying text provide the reader with additional in-
formation or refer to detailed sources of information.
Please observe the following notes
SATEL
106983_en_01 SATEL 5
Table of contents
1 Technical data for the wireless modules ....................................................................................9
2 For your safety .........................................................................................................................17
2.1 Intended use........................................................................................................17
2.2 Installation notes..................................................................................................18
2.3 Notes for individual I/O extension modules..........................................................18
2.4 UL notes.............................................................................................................. 19
2.5 Conformity (SATEL-LP24 only) ...........................................................................20
3 Brief description .......................................................................................................................21
3.1 Wireless modules................................................................................................21
3.2 I/O extension modules.........................................................................................22
4 Installation ................................................................................................................................23
4.1 Wireless module structure...................................................................................23
4.2 Basic circuit diagram ...........................................................................................24
4.3 Mounting/removal................................................................................................24
4.4 Connecting cables...............................................................................................26
4.5 Connecting the power supply ..............................................................................26
4.6 Serial interfaces...................................................................................................27
4.7 Connecting the antenna ......................................................................................30
5 Configuration and startup .........................................................................................................31
5.1 Default settings of the wireless module ...............................................................31
5.2 Operating mode of the wireless module ..............................................................33
5.3 Setting the address of the wireless module using the thumbwheel...................... 35
5.4 Configuration via SATEL-LP-CONF stick ............................................................35
5.5 Copying device settings via a memory stick ........................................................37
5.6 Configuration via SATEL-LP-CONF software......................................................38
5.7 Diagnostics on the wireless module .................................................................... 44
5.8 Diagnostics via SATEL-LP-CONF software.........................................................49
5.9 Starting up I/O extension modules.......................................................................52
5.10 Startup time of the wireless station...................................................................... 54
6 Serial data mode ......................................................................................................................55
6.1 Frame-based data transmission .......................................................................... 57
7 PLC/Modbus RTU mode ..........................................................................................................59
7.1 Configuration via SATEL-LP-CONF software......................................................59
SATEL-LP
6
SATEL 106983_en_01
7.2 Addressing I/O extension modules......................................................................60
7.3 Watchdog............................................................................................................61
7.4 Modbus function codes .......................................................................................62
7.5 Module type and error code registers for I/O extension modules.........................63
7.6 Modbus memory map..........................................................................................64
7.7 Error codes and formats for analog input and output values................................ 79
8 Description of I/O extension modules ......................................................................................81
8.1 SATEL-LP-AI4 – analog extension module with four inputs.................................81
8.2 SATEL-LP-PT100 – extension module with four temperature inputs ...................85
8.3 SATEL-LP-AO4 – analog extension module with four outputs............................. 92
8.4 SATEL-LP-DI4 – digital extension module with four inputs..................................96
8.5 SATEL-LP-DI8 – digital extension module with eight inputs...............................100
8.6 SATEL-LP-DOR4 – digital extension module with four outputs .........................105
8.7 SATEL-LP-DO8 – digital extension module with eight outputs ..........................109
8.8 SATEL-LP-DAIO6 – analog/digital extension module with six channels ............ 114
9 Planning wireless systems .....................................................................................................119
9.1 Delay time ......................................................................................................... 119
9.2 Pulse transmission ............................................................................................ 120
9.3 Trusted Wireless 2.0..........................................................................................120
9.4 RF bands...........................................................................................................124
9.5 Planning wireless paths.....................................................................................125
9.6 Practical test......................................................................................................125
9.7 Selecting antenna cables and antennas............................................................126
9.8 Installing antennas.............................................................................................127
9.9 Level and attenuation of wireless modules and accessories ............................. 130
9.10 Free space path loss ......................................................................................... 130
9.11 Propagation of radio waves ............................................................................... 132
9.12 Fresnel zone...................................................................................................... 135
9.13 Range................................................................................................................137
9.14 Equivalent isotropically radiated power (EIRP)..................................................138
9.15 System calculation in free space ....................................................................... 139
9.16 Practical examples ............................................................................................140
10 Detecting and removing errors ...............................................................................................141
10.1 Loopback test during serial data transmission...................................................147
Table of contents
106983_en_01 SATEL 7
A Technical appendix.................................................................................................................149
A 1 Typical combinations of antennas and adapter cables...................................... 149
A 2 Configuring a PROFIBUS connection................................................................150
B Appendixes.............................................................................................................................161
B 1 List of figures ..................................................................................................... 161
B 2 List of tables ......................................................................................................165
B 3 Index.................................................................................................................. 167
SATEL-LP
8
SATEL 106983_en_01
Technical data for the wireless modules
106983_en_01 SATEL 9
1 Technical data for the wireless modules
Accessories
Description Type Order No. Pcs./Pkt.
2400 MHz wireless transceiver with RS-232, RS-485 2-wire interface, can
be extended with I/O extension modules, with screw connection, antenna
connection: RSMA (female), including DIN rail connector, without antenna
SATEL-LP24 YM0424 1
868 MHz wireless transceiver with RS-232, RS-485 2-wire interface, can
be extended with I/O extension modules, with screw connection, antenna
connection: RSMA (female), including DIN rail connector, without antenna
SATEL-LP8 YM0408 1
Extension modules Type Order No. Pcs./Pkt.
Analog I/O extension module with 4 analog current inputs
(0/4 mA ... 20 mA), with screw connection, including DIN rail connector
SATEL-LP-AI4 YI0103 1
Temperature I/O extension module with 4 Pt 100 inputs
(-50 … +250°C), with screw connection, including DIN rail connector
SATEL-LP-PT100 YI0108 1
Analog I/O extension module with 4 analog current/voltage outputs
(0/4 mA ... 20 mA, 0 ... 10 V), with screw connection, including DIN rail
connector
SATEL-LP-AO4 YI0104 1
Digital I/O extension module with 4 digital inputs (0 ... 250 V AC/DC),
with screw connection, including DIN rail connector
SATEL-LP-DI4 YI0101 1
Digital I/O extension module with 8 digital inputs (0 ... 30.5 V DC) or 2 pulse
inputs (0 ... 100 Hz), with screw connection, including DIN rail connector
SATEL-LP-DI8 YI0106 1
Digital I/O extension module with 4 digital relay outputs
(6 A, 250 V AC/24 V DC), with screw connection,
including DIN rail connector
SATEL-LP-DOR4 YI0102 1
Digital I/O extension module with 8 digital transistor outputs
(30.5 V DC/200 mA), with screw connection, including DIN rail connector
SATEL-LP-DO8 YI0107 1
Analog/digital I/O extension module with 2 digital inputs/outputs
(0 ... 250 V AC/DC) and 1 analog input (0/4 ... 20 mA) and output
(0/4 ... 20 mA, 0 ... 10 V), with screw connection,
including DIN rail connector
SATEL-LP-DAIO6 YI0105 1
Accessories Type Order No. Pcs. / Pkt.
SATEL-LP-CONF stick for easy and safe network addressing for the
2.4 GHz SATEL-LP wireless module (SATEL-LP24), unique network ID,
RF band 3
SATEL-LP-CONF3 YO0003 1
SATEL-LP-CONF stick for easy and safe network addressing for the
2.4 GHz SATEL-LP wireless module (SATEL-LP24), unique network ID,
RF band 5
SATEL-LP-CONF5 YO0005 1
SATEL-LP-CONF stick for easy and safe network addressing for the
2.4 GHz SATEL-LP wireless module (SATEL-LP24), unique network ID,
RF band 7
SATEL-LP-CONF7 YO0007 1
SATEl-LP-CONF stick for easy and safe network addressing for the
868 MHz SATEL-LP wireless module (SATEL-LP8), unique network ID,
RF band 1
SATEL-LP8-CONF1 YO0001 1
Memory stick for saving individual configuration data for the SATEL-LP
wireless module
SATEL-LP-MEMORY YO0010 1
USB data cable (USB-A on IFS plug) for communicating between PCs and
SATEL devices with an IFS data port, e.g., SATEL-LP24. Power supply for
diagnostics and configuration via the USB port of the PC. Cable length: 2 m
SATEL-LP-PROG YC0520 1
SATEL-LP
10
SATEL 106983_en_01
Antennas Type Order No. Pcs. / Pkt.
Omnidirectional antenna, 2.4 GHz, 6 dBi, linear vertical,
opening angle h/v 360°/30°, N (female), IP55, incl. mounting bracket and
mast clips for 45 mm ... 100 mm diameter, stainless steel
SATEL-LP-ANT24N YA2400 1
Omnidirectional antenna, 868 MHz, 4 dBi, linear vertical, N (female),
opening angle h/v 360°/30°, IP67, salt water resistant, incl. mounting
bracket and mast clips for 30 mm ... 45 mm diameter, stainless steel
SATEL-LP-ANT8N YA0868 1
Portable omnidirectional antenna for 820MHz...960MHz, 2dBi, RSMA
(male), 230 mm length, 50 Ω impedance
SATEL-LP-ANT8/9 YA0899 1
Portable omnidirectional antenna for 2.4GHz, 2dBi, RSMA (male), 46mm
length, 50 Ω impedance
SATEL-LP-ANT24 YA2410 1
Antenna cable Type Order No. Pcs. / Pkt.
Antenna cable, 2 m length
Attenuation:
0.87 dB @869/900 MHz
1.35 dB @2.4 GHz
N (male) -> RSMA (male), 50 Ω impedance
SATEL-LP-RF2 YC1520 1
Antenna cable, 50 cm cabin-feed through
Attenuation:
0.6 dB, @869/900 MHz
1dB @2.4GHz
N (male) -> RSMA (male), 50 Ω impedance
SATEL-LP-RF50 YC1550 1
ECOFLEX antenna cables, specified length
(connectors required, see table below)
Type Order No. Pcs. / Pkt.
Low-loss cable, 50 Ω impedance
1.34 dB/10 m @869/900 MHz
2.36 dB/10 m @2.4 GHz
ECOFLEX10 YC1004 1
Low-loss cable, 50 Ω impedance
0.92 dB/10 m @869/900 MHz
1.63 dB/10 m @2.4 GHz
ECOFLEX15 YC1006 1
Connectors for ECOFLEX antenna cables Type Order No. Pcs. / Pkt.
N (male) -> N (male), for ECOFLEX10 cable CONNECTORS YC1003 1
N (male) -> N (male), for ECOFLEX15 cable CONNECTORS YC1007 1
Power supply Type Order No. Pcs. / Pkt.
Power supply for DIN rail, IN: 100 ... 240 V AC, OUT: 24 V DC / 2.5 A PS-DIN-2 YP0118 1
Technical data for the wireless modules
106983_en_01 SATEL 11
Dimensions (nominal sizes in mm)
Dimensions W / H / D 17.5 mm / 99 mm / 114.5 mm
17,5
99
114,5
17,5
99
114,5
General data
Overvoltage category II
Degree of protection IP20
Pollution degree 2
Housing design PA 6.6 FR, black
Flammability rating UL 94 V0
Supply
Supply voltage range 19.2 V DC ... 30.5 V DC
Maximum current consumption ≤ 65 mA (@ 24 V DC, @ 25°C, stand-alone)
≤ 6 A (@ 24 V DC, with fully utilized DIN rail connector)
Transient surge protection Yes
System limits SATEL-LP24 SATEL-LP8
Wireless module
Number of supported devices
Number of possible extension modules
≤ 250 (addressing via SATEL-LP-
CONF software)
≤ 99 (addressing via thumbwheel)
≤ 32 (per wireless module)
≤ 99 (per wireless network)
≤ 32 (per wireless module)
Wireless network
I/O data mode
Serial data mode
PLC/Modbus RTU mode
≤ 99 (I/O extension modules per wireless network, serial interface deactivated)
0 (no I/O extension modules can be used)
≤ 99 (access to I/O extension modules via Modbus/RTU protocol)
SATEL-LP
12
SATEL 106983_en_01
Wireless interface SATEL-LP24 SATEL-LP8
Antenna connection method RSMA (female)
Direction Bidirectional
Frequency 2.4 GHz 868 MHz
Frequency range 2.4002 GHz ... 2.4785 GHz 869.4 MHz ... 869.65 MHz
Number of channel groups 8 14
Number of channels per group 55 -
Channel distance 1.3 MHz 30 kHz
(depending on the network structure
and the data transmission speed)
Data transmission speed (adjustable) 16 kbps
125 kbps
250 kbps
1.2 kbps
9.6 kbps
19.2 kbps
60 kbps
120 kbps
Receiver sensitivity -106.00 dBm (16 kbps)
-96.00 dBm (125 kbps)
-93.00 dBm (250 kbps)
-122 dBm (1.2 kbps)
-114 dBm (9.6 kbps)
-111 dBm (19.2 kbps)
-104 dBm (60 kbps)
-103 dBm (120 kbps)
Transmission power ≤ 20 dBm (outside of Europe, adjust-
able via software)
≤ 19 dBm (Europe, adjustable via soft-
ware, depends on the data rate)
≤ 18 dBm (default setting)
≤ 27 dBm (default setting, adjustable)
Security 128-bit data encryption
Operating mode I/O data (default setting, configuration via thumbwheel)
Serial data (activation and configuration via SATEL-LP-CONF software)
PLC/Modbus RTU mode (activation and configuration via SATEL-LP-CONF soft-
ware)
RS-232 interface
Connection method Plug-in screw terminal block
Connection technology 3-wire
Data rate 0.3 ... 115.2 kbps
RS-485 interface
Connection method Plug-in screw terminal block
Connection technology 2-wire
Data rate 0.3 ... 187.5 kbps
Termination resistor (can be switched on via DIP switches) 390 Ω
150 Ω
390 Ω
Configuration interface
Connection method S-PORT (socket)
RSSI output
Number of outputs 1
Output signal, voltage 0 V ... 3 V
Technical data for the wireless modules
106983_en_01 SATEL 13
RF link relay output
Number of outputs 1
Contact type Change-over contact
Contact material PdRu, gold-plated
Maximum switching voltage 30 V AC/DC / 60 V DC
Maximum switching current 500 mA (30 V AC/DC) / 300 mA (60 V DC)
Electrical service life 5 x 10
5
switching cycles with 0.5 A @ 30 V DC
Connection data
Connection method Screw connection
Conductor cross section solid 0.2 mm² ... 2.5 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross section AWG/kcmil 24 ... 14
Stripping length 7 mm
Tightening torque 0.6 Nm
Status indicator
Status indicator Green LED (supply voltage, PWR)
Green LED (bus communication, DAT)
Red LED (I/O error, ERR)
3 x green, 1 x yellow LED (LED bar graph for receive quality, RSSI)
Green LED (RS-232/RS-485 receive data, RX)
Green LED (RS-232/RS-485 transmit data, TX)
Ambient conditions
Ambient temperature (operation) -40°C ... 70°C (> 55°C derating)
-40°F ... 158°F (> 131°F derating)
Ambient temperature (storage/transport) -40°C ... 85°C
-40°F ... 185°F
Permissible humidity (operation) 20% ... 85%
Permissible humidity (storage/transport) 20% ... 85%
Altitude 2000 m
Vibration (operation) According to IEC 60068-2-6: 5g, 10 Hz ... 150 Hz
Shock 16g, 11 ms
Approvals SATEL-LP24 SATEL-LP8
Conformity CE compliance (R&TTE Directive 1999/5/EC)
FCC FCC Directive Part 15.247 -
ISC ISC Directive RSS 210 -
UL, USA/Canada UL 508 Listed
Class I, Div. 2, Groups A, B, C, D T4A
Class I, Zone 2, IIC T4
-
SATEL-LP
14
SATEL 106983_en_01
SATEL-LP-DAIO6 (YI0105):
Do not use the analog loop power output (PWR1).
Only use the analog voltage output (U1).
Do not use more than two of the four possible digital inputs and outputs.
Conformity SATEL-LP24 SATEL-LP8
Effective use of the radio spectrum according to EN 300328 EN 300220-2
Noise immunity according to EN 61000-6-2
Noise emission according to EN 61000-6-4
Electrical safety according to EN 60950-1
Operating conditions for the extended temperature range (+55°C ... 70°C)
No function restrictions for the extended temperature range if you keep a minimum spacing of 17.5 mm be-
tween the modules. The minimum spacing is the width of a DIN rail connector.
Otherwise please observe the following restrictions: Individual operating conditions available on request.
Technical data for the wireless modules
106983_en_01 SATEL 15
SATEL-LP-DOR4 (YI0102):
Maximum switching current: 1 A per channel
SATEL-LP-AI4 (YI0103):
Make sure that no more than 40 mA in total is drawn from loop power outputs
PWR
1
... PWR
4
.
SATEL-LP-AO4 (YI0104):
Only use the analog voltage output (0 V ... 10 V).
SATEL-LP
16
SATEL 106983_en_01
For your safety
106983_en_01 SATEL 17
2For your safety
We recommend that you read this user manual before starting up the SATEL-LP wireless
system. Keep this user manual in a place where it is accessible to all users at all times.
2.1 Intended use
The devices are designed for use in industrial environments.
The SATEL-LP wireless system is a Class A item of equipment and may cause radio inter-
ference in residential areas. In this case, the operator may be required to implement appro-
priate measures and to pay the costs incurred as a result.
Operation of the wireless system is only permitted if accessories available from Satel are
used. The use of other accessory components could invalidate the operating license. You
can find the approved accessories for this wireless system listed with the product at
www.satel.com
.
2.1.1 SATEL-LP8 wireless module
2.1.2 SATEL-LP24 wireless module
The SATEL-LP24 devices comply with R&TTE equipment class 1, with the following usage
restrictions according to ERC Recommendation 70-03:
Please note that, in combination with antennas, the maximum permissible transmission
power may be exceeded. In this case, set the transmission power via the software (see
“Transmission power” on page 39).
The SATEL-LP8 wireless module is only approved for use in Europe:
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
The Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United
Kingdom
For countries outside the EU, please visit www.satel.com
.
The SATEL-LP24 wireless module is approved for use in:
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
The Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United
Kingdom
For countries outside the EU, please visit www.satel.com.
Norway The device must not be operated within 20 km of the Ny Ålesund town cen-
ter.
Install the SATEL-LP24 wireless module at least one meter away from other devices using
the 2.4 GHz frequency band (e.g., WLAN, Bluetooth, microwave ovens). Otherwise, both
the link quality and the data transmission speed will be reduced.
SATEL-LP
18
SATEL 106983_en_01
2.2 Installation notes
• Satel hereby declares that this wireless system complies with the basic requirements
and other relevant regulations specified in Directive 1999/5/EC.
• Installation, operation, and maintenance must be carried out by qualified electricians.
Follow the installation instructions as described.
• When installing and operating the device, the applicable regulations and safety direc-
tives (including national safety directives), as well as the general codes of practice,
must be observed. The technical data is provided in the package slip and on the certif-
icates (conformity assessment, additional approvals where applicable).
• Do not open or modify the device. Do not repair the device yourself; replace it with an
equivalent device instead. Repairs may only be carried out by the manufacturer. The
manufacturer is not liable for damage resulting from noncompliance.
• The IP20 degree of protection (IEC 60529/EN 60529) of the device is intended for use
in a clean and dry environment. Do not subject the device to mechanical and/or thermal
loads that exceed the specified limits.
• To protect the device against mechanical or electrical damage, install it in suitable
housing with an appropriate degree of protection according to IEC 60529.
• The device complies with the EMC regulations for industrial areas (EMC class A).
When using the device in residential areas, it may cause radio interference.
• Only specified devices from Satel may be connected to the 12-pos. S-PORT interface.
2.3 Notes for individual I/O extension modules
For SATEL-LP-DI4, SATEL-LP-DOR4, SATEL-LP-DAIO6
For SATEL-LP-AO4
WARNING: Risk of electric shock
During operation, certain parts of the devices may carry hazardous voltages. Disregarding this warning may
result in damage to equipment and/or serious personal injury.
– Provide a switch/circuit breaker close to the device, which is labeled as the disconnect device for this de-
vice or the entire control cabinet.
– Provide overcurrent protection (I ≤ 6 A) in the installation.
– Disconnect the device from all power sources during maintenance work and configuration (for SELV or
PELV circuits the device can remain connected).
– The housing of the device provides basic insulation against the neighboring devices for 300 V
rms
. If sev-
eral devices are installed next to each other, this must be taken into consideration and additional insulation
may have to be installed. If the neighboring device is equipped with basic insulation, no additional insula-
tion is required.
WARNING: Risk of electric shock
Use the same phase for digital inputs and digital outputs. The isolating voltage between
the individual channels must not exceed 300 V.
Use either the current or voltage output per analog channel.
For your safety
106983_en_01 SATEL 19
2.4 UL notes
For SATEL-LP24 wireless module
For the I/O extension modules
WARNING: Explosion hazard when used in potentially explosive areas
Make sure that the following notes and instructions are observed.
INDUSTRIAL CONTROL EQUIPMENT FOR HAZARDOUS LOCATIONS 45FP
A This equipment is suitable for use in ClassI, Zone2, IIC T4 and ClassI, Division2,
Groups A, B, C, D T4A hazardous locations or non-hazardous locations only.
B WARNING - EXPLOSION HAZARD - DO NOT DISCONNECT EQUIPMENT
UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE
NON-HAZARDOUS.
C WARNING - EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY
IMPAIR SUITABILITY FOR CLASS 1, DIVISION 2.
D These devices are open-type devices that are to be installed in an enclosure suit-
able for the environment that is only accessible with the use of a tool.
E WARNING - Exposure to some chemicals may degrade the sealing properties of
materials used in relays within this device.
F WARNING - EXPLOSION HAZARD - S-PORT IS FOR MAINTENANCE AND
PROGRAMMING ONLY AND SHOULD ONLY BE USED WHEN THE AREA IS
KNOWN TO BE NON-HAZARDOUS.
INDUSTRIAL CONTROL EQUIPMENT FOR HAZARDOUS LOCATIONS 45FP
A This equipment is suitable for use in ClassI, Zone2, IIC T4 and ClassI, Division2,
Groups A, B, C, D T4A hazardous locations or non-hazardous locations only.
B WARNING - EXPLOSION HAZARD - DO NOT DISCONNECT EQUIPMENT
UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE
NON-HAZARDOUS.
C WARNING - EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY
IMPAIR SUITABILITY FOR CLASS 1, DIVISION 2.
D These devices are open-type devices that are to be installed in an enclosure suit-
able for the environment that is only accessible with the use of a tool.
E WARNING - Exposure to some chemicals may degrade the sealing properties of
materials used in relays within this device.
SATEL-LP
20
SATEL 106983_en_01
2.5 Conformity (SATEL-LP24 only)
FCC (SATEL-LP24 only)
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions:
This device may not cause harmful interference. This device must accept any interference
received, including interference that may cause undesired operation.
Any changes or modifications not explicitly approved by Satel could cause the device to
cease to comply with FCC rules Part 15, and thus void the user's authority to operate the
equipment.
Radio frequency exposure:
The device contains a radio transmitter and receiver. During communication the device re-
ceives and transmits radio frequency (RF) electromagnetic fields (microwaves) in the fre-
quency range of 2400 MHz to 2483.5 MHz.
RF Exposure Statement:
This equipment should be installed and operated with a minimum distance of 20 cm be-
tween the radiator and your body.
This transmitter must not be co-located or operating in conjunction with any other antenna
or transmitter.
This device contains:
FCC ID: YG3RAD2400A
Industry Canada (IC) (SATEL-LP24 only)
Operation is subject to the following two conditions: (1) this device may not cause interfer-
ence, and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.
This device has been designed to operate with an antenna having a maximum gain of 9 dBi.
Having a higher gain is strictly prohibited per regulations of Industry Canada. The required
antenna impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (EIRP) is not more than that
permitted for successful communication.
This device contains:
IC certificate: 4720B-RAD2400A
NOTE: Interference
This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to part 15 of the FCC rules. These limits are
designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment
generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful inter-
ference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference, in which case, the user will be re-
quired to correct the interference at his own expense.
Brief description
106983_en_01 SATEL 21
3 Brief description
Wireless communication is based on Trusted Wireless 2.0 technology. The high require-
ments for interference-free data transmission are met in particular through the use of the
FHSS (frequency-hopping spread spectrum) method and 128-bit data encryption (AES).
The SATEL-LP24 wireless module uses the license-free 2.4 GHz ISM band.
The SATEL-LP8 wireless module uses the 868 MHz ISM band, which is license-free in
Europe.
3.1 Wireless modules
In addition to an RS-232 and RS-485 2-wire interface, the SATEL-LP24 and SATEL-LP8
wireless modules support the option of directly connecting up to 32 I/O extension modules
in the station structure via the DIN rail connector.
Addressing of the wireless module and I/O mapping of the I/O extension modules is carried
out quickly and easily by means of the thumbwheel on the front. You can use the yellow
thumbwheel on the wireless module to set the RAD ID and the white thumbwheel on the ex-
tension modules to set the I/O MAP address. Programming knowledge is not required. You
can easily start up the wireless network without the need for software.
The SATEL-LP-CONF configuration and diagnostics software for special functions and di-
agnostics options of the wireless module is available free of charge.
Features
– Flexible network applications: I/O data, serial data, PLC/Modbus RTU mode
– Adjustable data rates for the wireless interface
– Easy point-to-point or network structures (star, mesh)
– Yellow thumbwheel for unique addressing of wireless modules in the wireless network
– Integrated RS-232 and RS-485 interface
– Can be extended with up to 32 I/O modules per station via DIN rail connector (hot-
swappable)
– 128-bit AES data encryption and authentication
– Unique network addressing via plug-in configuration memory (SATEL-LP-CONF stick)
for secure, parallel operation of multiple networks with different RF bands
– Data rates and ranges can be configured using the SATEL-LP-CONF software
– International approvals
SATEL-LP
22
SATEL 106983_en_01
3.2 I/O extension modules
Various I/O extension modules are available for setting up the wireless system quickly and
easily. You can therefore adapt the number and type of signals to the respective application.
Features
– White thumbwheel for easy and tool-free assignment of device pairs (I/O mapping)
– Modular structure via DIN rail connector (hot-swappable)
– Depending on module: channel-to-channel electrical isolation
– Depending on the module: analog inputs or outputs (0/4 ... 20 mA / 16-bit resolution /
< 0.1% accuracy)
– Depending on module: digital wide-range inputs or outputs (0 ... 250 V AC/DC)
– DIP switches for HOLD/RESET behavior of outputs
– Loop power function for passive sensors
For a detailed description of the available I/O extension modules, refer to the pages listed
below:
Table 3-1 Overview of I/O extension modules
Module type Designation Order
No.
From
page
Analog 4 analog inputs SATEL-LP-AI4 YI0103 81
4 Pt 100 inputs SATEL-LP-PT100 YI0108 85
4 analog outputs SATEL-LP-AO4 YI0104 92
Digital 4 digital inputs SATEL-LP-DI4 YI0101 96
8 digital inputs or 2 pulse inputs SATEL-LP-DI8 YI0106 100
4 digital relay outputs SATEL-LP-DOR4 YI0102 105
8 digital transistor outputs SATEL-LP-DO8 YI0107 109
Analog/
digital
1 analog input/output, 2 digital
wide-range inputs/outputs
SATEL-LP-DAIO6 YI0105 114
Installation
106983_en_01 SATEL 23
4 Installation
4.1 Wireless module structure
Figure 4-1 SATEL-LP24 and SATEL-LP8 structure
Item Terminal
block
Designation
1 RSMA antenna connection (socket)
2 2.1/2.2 Test output RSSI (0 V ... 3 V DC) for evaluation of the wireless signal
strength
3 1.1/1.2 Device supply (+24 V DC, GND)
4 S-PORT (12-pos. programming interface)
5 Yellow thumbwheel for setting the RAD ID
6SET button
7 Connection option for DIN rail connector
8DIN rail
9 Metal base latch for DIN rail fixing
10 4.1/4.2 Connection terminal blocks for RS-485 interface
11 5.1/5.2/5.3 Connection terminal blocks for RS-232 interface
12 6.1/6.2/6.3 Relay output with floating change-over contact (RF link relay)
13 Status LED (RX/TX) for RS-232/RS-485 serial interface
14 LED bar graph for displaying the wireless signal strength
15 ERR status LED, red (communication error)
16 DAT status LED, green (bus communication)
17 PWR status LED, green (supply voltage)
+
2
4
V
RS
S
I+
RS
S
I-
A
N
T
C
O
M
1
N
O
1
N
C
1
R
X
T
X
G
N
D
D
(
A
)
D
(
B
)
Reset
RAD-ID
S.PORT
8
8
P
W
R
DAT
ER
R
R
X
TX
0
V
+
2
4
V
0
V
RS
S
I+
RS
S
I-
2
1
3
4
5
7
6
9
11
12
17
16
13
15
14
10
8
SATEL-LP
24
SATEL 106983_en_01
4.2 Basic circuit diagram
Figure 4-2 SATEL-LP24 and SATEL-LP8 basic circuit diagram
4.3 Mounting/removal
You can connect up to 32 different I/O extension modules to each wireless module via the
DIN rail connector. Data is transmitted and power is supplied to the I/O extension modules
via the bus foot.
When using the device in a connection station, use the supplied 17.5 mm DIN rail connec-
tor. Only use the DIN rail connector in conjunction with 24 V DC devices.
Figure 4-3 SATEL-LP connection station with up to 32 I/O extension modules
– Mount the wireless module to the left and the I/O extension modules only to the right
of the wireless module.
– The individual extension modules can be arranged in any order.
– SATEL-LP24 wireless module only: install the wireless module at least one meter
away from other devices using the 2.4 GHz frequency band (e.g., WLAN, Bluetooth,
microwave ovens). Otherwise, both the link quality and the data transmission speed
will be reduced.
RF
5.1
5.2
5.3
RX
TX
RS232
GND
4.1
4.2
D(A)
D(B)
RS485
RAD-ID
S-Port
1.2
1.1
+24 V
0 V
2.1
2.2
RSSI+
RSSI-
U
IFS
IFS
µC
6.1
6.2
6.3
NC
1
NO
1
COM
1
DC
DC
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24 V
RSSI
+
0V
ANT
RSSI
-
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24 V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
0
1
IO-MAP
PWR
DAT
ERR
0
2
IO-MAP
PWR
DAT
ERR
0
3
IO-MAP
PWR
DAT
ERR
0
4
IO-MAP
PWR
DAT
ERR
0
5
IO-MAP
PWR
DAT
ERR
0
6
IO-MAP
PWR
DAT
ERR
3
1
IO-MAP
PWR
DAT
ERR
3
2
DI1
DI2
DO1
DO3
DI1
DI2
DO1
DO2
DI1
DI2
DI3
DI4
DO1
DO2
DO3
DO4
DI4
DI3
DI2
DI1 DO1
DO2
DO3
DO4
Installation
106983_en_01 SATEL 25
Figure 4-4 Assembly and removal
To mount a connection station with DIN rail connectors, proceed as follows:
• To form a connection station, connect the DIN rail connectors together.
• Push the connected DIN rail connectors onto the DIN rail.
• Place the device onto the DIN rail from above (see Figure 4-4, D). Make sure that the
device and DIN rail connector are aligned correctly.
• Holding the device by the housing cover, carefully push the device towards the mount-
ing surface so that the device bus connector is fixed securely on the DIN rail connector.
• Once the snap-on foot snaps onto the DIN rail, check that it is fixed securely. The device
is only mechanically secured via the DIN rail.
• Connect the desired number of I/O extension modules to the wireless module via the
DIN rail connector.
• Install the device in suitable housing to meet the requirements for the protection class.
• During startup, check that the device is operating, wired, and marked correctly.
Removal
• Use a suitable screwdriver to release the locking mechanism on the snap-on foot of the
device (see Figure 4-4, E).
• Hold onto the device by the housing cover and carefully tilt it upwards.
• Carefully lift the device off the DIN rail connector and the DIN rail.
A
B
C
DE
SATEL-LP
26
SATEL 106983_en_01
4.4 Connecting cables
Figure 4-5 Connecting cables
• Fit the litz wires with ferrules. Permissible cable cross section: 0.2 mm
2
... 2.5 mm
2
• Insert the wire with ferrule into the corresponding connection terminal block.
• Use a screwdriver to tighten the screw in the opening above the connection terminal
block. Tightening torque: 0.6 Nm.
4.5 Connecting the power supply
Connect a DC voltage source (19.2 V ... 30.5 V DC) to the wireless module. The nominal
voltage is 24 V DC. Supply voltage to the device via terminal blocks 1.1 (24V) and 1.2(0V).
In the case of a connection station, it is sufficient to supply the first device in the group.
Figure 4-6 Connecting the power supply
In order to prevent damage to the wireless module, we recommend installing a surge pro-
tective device. Make sure the wiring between the surge protective device and the wireless
module is as short as possible. Please also observe the manufacturer’s specifications.
For easy installation, it is also possible to pull the screw terminal block out of the device
and to re-insert it after having connected the cables.
A
B
8
8
P
W
R
DAT
E
R
R
Installation
106983_en_01 SATEL 27
4.6 Serial interfaces
The wireless modules have one RS-232 interface and one RS-485 2-wire interface. Con-
nect the I/O device to the wireless module via the corresponding interface.
4.6.1 Shielding of the RS-485 bus line
• Connect the shield of the RS-485 bus line correctly via an external shield terminal (e.g.
SKS 8-SNS35, Order No. 3062786).
Choose the type of shield connection according to the expected interference:
– Firstly, connect the shield on one side. This suppresses electrical fields.
– To suppress disturbances caused by alternating magnetic fields, connect the shield on
both sides. When doing so, ground loops must be taken into consideration. Galvanic
disturbances along the reference potential can interfere with the useful signal, and the
shielding effect is reduced.
– If several devices are connected to a single bus, the shield must be connected to each
device (e.g., by means of clamps).
– Connect the bus shield to a central PE point using short, low-impedance connections
with a large surface area (e.g., by means of shield terminals).
– Activate and configure the RS-232 or RS-485 interface using the SATEL-LP-CONF
software (from page 38).
– You can only use one interface per wireless module. Parallel operation of both inter-
faces is not possible.
NOTE: Damage to the interface
If the shield has been connected incorrectly, permanent, external disturbing pulses may
damage the interface.
Observe the polarity of the RS-485 2-wire cable and make sure that the shield is connect-
ed correctly.
SATEL-LP
28
SATEL 106983_en_01
4.6.2 Terminating the RS-485 bus line
The wireless modules are operated on a 2-wire bus line. RS-485 bus connections must be
terminated at both ends with a 390/150/390 termination network.
• Depending on the position of the device on the RS-485 bus line, the termination net-
work must be activated or deactivated.
Figure 4-7 DIP switches
Table 4-1 DIP switches 1 and 2: termination network
DIP switch
Device position Termination network 1 2
RS-485 termination device On ON ON
RS-485 device Off OFF OFF
Installation
106983_en_01 SATEL 29
4.6.3 RS-485 pin assignment
In RS-485 mode, you can create a network with several I/O devices. Use a twisted pair bus
line to connect the I/O devices. Fit this bus line with a termination network at the two furthest
points.
• Connect the single wires of the data cable to the COMBICON plug-in screw terminal
block (Figure 4-1, item 10).
• Make sure the signal assignment is correct.
Figure 4-8 RS-485 interface pin assignment
4.6.4 RS-232 pin assignment
In RS-232 mode, point-to-point connections can be established.
According to the standard, you can connect a DCE device (Data Communication Equip-
ment) to the RS-232 interface using a 1:1 cable (Figure 4-9). It is also possible to connect a
DTE device using a crossed cable (Figure 4-10).
Figure 4-9 RS-232 interface pin assignment (DTE - DCE)
Figure 4-10 RS-232 interface pin assignment (DTE - DTE)
If you are not sure whether the device to be connected is of DTE or DCE type, you can also
measure the voltage. Measure the voltage between Tx and GND in the idle state:
– If the voltage measures approximately -5 V, it is a DTE device.
– If the voltage measures approximately 0 V, it is a DCE device.
– The RS-232 interface of the wireless module is of DTE type (Data Terminal Equip-
ment). This means that terminal point 5.2 (Tx) is always used to transmit and terminal
point 5.1 (Rx) is always used to receive.
– Only connect the wireless module to devices which meet the requirements of
EN 60950.
SATEL-LP
30
SATEL 106983_en_01
4.7 Connecting the antenna
The wireless module has an RSMA antenna socket for an external antenna. Various instal-
lation examples can be found under “Typical combinations of antennas and adapter cables”
on page 149.
Figure 4-11 Connecting the antenna
– Install the antenna outside the control cabinet or building.
– Please also observe the installation instructions for the antenna as well as Section
“For your safety” on page 17.
– For information on the transmission power, refer to “Transmission power” on
page 39.
Configuration and startup
106983_en_01 SATEL 31
5 Configuration and startup
5.1 Default settings of the wireless module
All wireless modules are configured to the same default settings when delivered or following
a reset at a later stage.
Table 5-1 Default settings of the wireless module
Parameter Setting
SATEL-LP24 SATEL-LP8
Operating mode I/O data (wire in/wire out)
Wireless interface
Net ID 127
RF band 4 2
Encryption Off
Network structure Mesh
Device type Repeater/slave
Blacklisting WLAN channel 6 -
Data rate of the wireless interface 125 kbps 9.6 kbps
Receive preamplifier Activated -
Transmission power 18 dBm 27 dBm
By default upon delivery, the receive preamplifier is activated and the transmission power
is set so that the devices can cover the greatest possible distances (SATEL-LP24:
18 dBm, SATEL-LP8: 27 dBm). Therefore, if the devices are operated directly next to one
another the receiver may become overloaded. In this case, remove the antennas, in-
crease the distance between the devices and antennas or reduce the transmission power
using the SATEL-LP-CONF software.
SATEL-LP
32
SATEL 106983_en_01
5.1.1 Resetting to the default settings
The device can be reset to the default settings either manually or using the SATEL-LP-
CONF software.
Manual reset
• Disconnect the device from the supply voltage.
• Hold down the SET button located on the front of the device and switch the supply volt-
age on.
• Hold down the SET button until the DAT LED flashes.
Reset via SATEL-LP-CONF software
• In the device selection area, select “Wireless, SATEL-LP24” or “Wireless, SATEL-LP8”.
• Select “Local device”.
• Select “Set device to factory default configuration”.
5.1.2 Firmware update
The firmware can be updated using the SATEL-LP-CONF software. The device is reset to
the default settings after a firmware update.
• In the device selection area, select “Wireless, SATEL-LP24” or “Wireless, SATEL-LP8”.
• Select “Update firmware”.
You can download the latest firmware free of charge at www.satel.com
.
Configuration and startup
106983_en_01 SATEL 33
5.2 Operating mode of the wireless module
The SATEL-LP wireless system offers three different options for signal and data transmis-
sion:
If the wireless system is operated in an environment where other networks are also present,
e.g., additional SATEL-LP networks, then a configuration memory can be used (see “Con-
figuration via SATEL-LP-CONF stick” on page 35). Extended settings of the wireless mod-
ules can also be configured using the SATEL-LP-CONF software (from page 38).
5.2.1 I/O data mode
Figure 5-1 I/O data mode
By default upon delivery, all wireless modules are in I/O data mode. For simple I/O-to-I/O
applications with extension modules, you can easily set the addresses using the thumb-
wheel. You can therefore establish a wireless connection to other wireless modules without
any programming effort (see “Setting the address of the wireless module using the thumb-
wheel” on page 35 and “Setting the address of the extension modules using the thumb-
wheel” on page 53).
Table 5-2 Operating mode
Operating mode Configuration
I/O data mode Default setting, configuration only possible via thumbwheel
Serial data mode
Configuration via SATEL-LP-CONF software
PLC/Modbus RTU mode
You can select only one operating mode. It is not possible to simultaneously transmit
I/O signals and serial data.
SATEL-LP
34
SATEL 106983_en_01
5.2.2 Serial data mode
Figure 5-2 Serial data mode
In serial data mode, multiple controllers or serial I/O devices are networked quickly and eas-
ily using wireless technology. In this way, serial RS-232 or RS-485 cables can be replaced.
You need to configure each wireless module using the SATEL-LP-CONF software (from
page 38).
5.2.3 PLC/Modbus RTU mode
Figure 5-3 PLC/Modbus RTU mode
You can connect the I/O extension modules to the controller directly via the integrated
RS-232 and RS-485 interface by means of wireless communication. In PLC/Modbus RTU
mode, the master wireless module (RAD ID = 01) operates as a Modbus slave. The master
wireless module has its own Modbus address.
You can connect extension modules to each wireless module in the network. The I/O data
of the extension module is stored in the internal Modbus memory map of the master wireless
module. In addition, the diagnostic data from all wireless devices is stored here.
You need to configure each wireless module using the SATEL-LP-CONF software (from
page 38).
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
2
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
0
0
2
2
4
4
6
6
8
8
9
10
12
ADDRESS
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
x10 x1
X1
PROFIBUS DP
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
RESET
MRESET
STOP
RUN/PROG
X1
LNK ACT
PRG
1.1
D
TR
2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1
TxD
TxD
2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
3
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
kW
kvarh
kVA
COM
L1
L2
L3
I
U F
PPF
E
12 14 16 2 18 8 10 20 22
135 7911 4 6 13 15 17
V1 V2 V3 VN
Input Aux Supply
S1 S2 S1 S2 S1 S2
I1 I2 I3 Output RS485
°C
TEST
OK
PROG
+- +-
C=0,1Wh/imp
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
4
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
0
0
2
2
4
4
6
6
8
8
9
10
12
ADDRESS
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
x10 x1
X1
PROFIBUS DP
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
2
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
DI1L
DI2L
DI1H
DI2H
DI1
DI2
0 1
DI3L
DI4L
DI3H
DI4H
DI3
DI4
IO-MAP
PWR
DAT
ERR
OFF ON
DIP-1
1
2
3
4
0 2
PWR2 +I2 -I2
PWR1 +I1 -I1
PWR4 +I4 -I4
PWR3 +I3 -I3
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
RESET
MRESET
STOP
RUN/PROG
X1
LNK ACT
PRG
1.1
D
TR
2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1
TxD
TxD
2.1
1.2
1.3
1.4
2.2
2.3
2.4
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
4
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
DI1L
DI2L
DI1H
DI2H
DI1
DI2
0 5
DI3L
DI4L
DI3H
DI4H
DI3
DI4
IO-MAP
PWR
DAT
ERR
OFF ON
DIP-1
1
2
3
4
0 6
PWR2 +I2 -I2
PWR1 +I1 -I1
PWR4 +I4 -I4
PWR3 +I3 -I3
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
3
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
OFF ON
DIP-1
1
2
3
4
0 3
PWR2 +I2 -I2
PWR1 +I1 -I1
PWR4 +I4 -I4
PWR3 +I3 -I3
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
OFF ON
DIP-1
1
2
3
4
DI1L
DI2L
DI1H
DI2H
DI1
DI2
UL1 +I1 -I1
U1 I1
1
COM1
COM2
NO1
NO2
NC1
NC2
0 4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
Configuration and startup
106983_en_01 SATEL 35
5.3 Setting the address of the wireless module using
the thumbwheel
• Start by setting the desired station address with the yellow thumbwheel on the wireless
module. There must be one master (RAD ID = 01) and at least one repeater/slave
(RAD ID = 02 ... 99) in a network.
The following settings can be made using the yellow thumbwheel:
5.4 Configuration via SATEL-LP-CONF stick
By default upon delivery, all wireless modules have the same network ID and the same
RF band. Using a configuration memory (SATEL-LP-CONF stick), you can configure a
unique and secure network without the need for software.
The SATEL-LP-CONF stick is used as a network key. Its network address (network ID) is
unique and cannot be assigned via the SATEL-LP-CONF software. Only wireless modules
with the same network ID can connect to one another.
You must configure each individual network device. Just one SATEL-LP-CONF stick is
needed for all the wireless modules in the network. After configuration, you can remove the
SATEL-LP-CONF stick from the wireless module.
The SATEL-LP-CONF stick also contains a preset frequency band (RF band). An RF band
is a group of frequencies made up of individual frequencies from the entire frequency band.
Different RF bands use different frequencies.
– The addressing in a network must be unique. If two wireless modules in a network
have the same address, the network will not function correctly.
– Setting the address via the thumbwheel has priority over setting the address via the
SATEL-LP-CONF software.
– After making any change to the module address, press the SET button for one sec-
ond to apply the setting.
Table 5-3 Yellow thumbwheel setting
Thumbwheel Description
01 Master address
for networks with repeaters
(mesh networks)
02 ... 99 Repeater/slave address
*1 Master address
for networks without repeater
(star networks)
*2 ... *9 Slave address
00 Not permitted
** Only for SATEL-LP24: addressing wireless modules using the
SATEL-LP-CONF software (address 1 ... 250)
SATEL-LP
36
SATEL 106983_en_01
If you operate several SATEL-LP wireless systems in parallel, you should select different
RF bands.
Different SATEL-LP-CONF sticks are available for easy configuration without the need for
software:
For SATEL-LP24:
– SATEL-LP-CONF3 for RF band 3 (Order No. YO0003, yellow)
– SATEL-LP-CONF5 for RF band 5 (Order No. YO0005, green)
– SATEL-LP-CONF7 for RF band 7 (Order No. YO0007, blue)
For SATEL-LP8:
– SATEL-LP8-CONF1 for RF band 1 (Order YO0001, red)
Figure 5-4 Configuration via SATEL-LP-CONF stick
• Carefully insert the SATEL-LP-CONF stick with the 12-pos. IFS connector into the
S-PORT of the wireless module.
• Press the SET button on the wireless module for one second. Parameter read-in is
started. Read-in has been completed when the DAT LED lights up once. The new pa-
rameters are activated.
• Remove the SATEL-LP-CONF stick from the wireless module.
• Repeat this process for each individual wireless module in the network.
SATEL-LP24: you can also set different RF bands from 1 ... 8 and network IDs from
1 ... 127 using the SATEL-LP-CONF software (see page 39).
SATEL-LP8: for additional information on the various RF bands in 868 MHz wireless sys-
tems, refer to “RF bands” on page 124.
Item Description
1 SATEL-LP-CONF stick
2Status LEDs
3SET button
+
2
4
V
0
V
RS
S
I+
RS
S
I-
+24V
RSSI+
RSSI-
AN
T
CO
M
1
NO
1
N
C
1
RX
TX GND
D
(A
)
D(B)
SET
RAD-ID
S.PORT
8
8
PW
R
DAT
E
R
R
RX TX
0V
SET
3
2
1
Configuration and startup
106983_en_01 SATEL 37
5.5 Copying device settings via a memory stick
In order to transfer the configuration of a wireless module to another wireless module, you
can save the configuration to a memory stick (SATEL-LP-MEMORY, Order No. YO0010,
white).
Common network parameters
–Operating mode
– Network ID
–RF band
– Data rate of the wireless interface
–Encryption
– Network type
Individual device parameters
– Station name
–RAD ID
– Transmission power
– List of permitted connections
– Receive preamplifier ON/OFF
– Serial interface parameters
5.5.1 Saving parameters from the wireless module to the
memory stick
Copy common network parameters and individual device parameters to the memory stick:
• Press and hold down the SET button on the wireless module for at least six seconds.
• The four RSSI bar graph LEDs start a running light from bottom to top.
• Insert the memory stick in the S-PORT of the wireless module. The copying of param-
eters is started automatically.
• Wait until the running light stops. The write process has been completed.
• Remove the memory stick from the wireless module.
– Pay attention to the firmware version of the wireless modules before using the mem-
ory stick. In order to ensure that a wireless module is capable of reading the memory
stick, it must have the same or later firmware version as the wireless module whose
configuration file is to be copied. Wireless modules with an earlier firmware version
are not able to read the memory stick.
– If an error is detected while saving or checking the data, the DAT and ERR LEDs flash
simultaneously.
SATEL-LP
38
SATEL 106983_en_01
5.5.2 Reading the memory stick
Reading in common network parameters via the memory stick
• Insert the memory stick in the S-PORT of the wireless module.
• Press and hold down the SET button on the wireless module for at least one second.
Parameter read-in is started. Read-in has been completed when the DAT LED lights up
once. The new parameters are activated.
• Remove the memory stick from the wireless module.
Reading in common network parameters and individual device parameters via the
memory stick
This function enables all common network parameters and individual device parameters to
be read into the wireless module. A full copy of devices can be created, e.g., as a backup
copy.
• Insert the memory stick in the S-PORT of the wireless module.
• Press and hold down the SET button on the wireless module for at least six seconds.
Parameter read-in is started, the DAT LED flashes.
• The read-in process has been completed once the DAT LED stops flashing. The new
parameters are activated.
• Remove the memory stick from the wireless module.
5.6 Configuration via SATEL-LP-CONF software
You can make special settings using the SATEL-LP-CONF configuration and diagnostics
software. The software is available to download at www.satel.com. A PC with Windows op-
erating system is required in order to use the software. Use the SATEL-LP-PROG
USB cable (Order No. YC0520) for configuration and diagnostics.
• Install the software and the USB driver for the SATEL-LP-PROG cable. Follow the soft-
ware wizard.
For additional information on the USB cable, please refer to the package slip of SATEL-
LP-PROG. The latest documentation can be downloaded via the product at
www.satel.com
.
Configuration and startup
106983_en_01 SATEL 39
5.6.1 Extended configuration, individual settings
After reading in an existing network project or creating a new project, the network settings
can be modified under “Individual Settings”. Here, the wireless network can be optimized
and adapted to your specific requirements. When you move the mouse over the individual
network parameters, you will see a short description under “Help”.
Figure 5-5 SATEL-LP-CONF software: Network Settings
5.6.2 Transmission power
Observe the maximum permissible radiated transmission power at the antenna (EIRP, see
Table 5-4 or Table 5-5). If necessary, reduce the device transmission power via the
SATEL-LP-CONF software.
The transmission power can be calculated as follows:
Device transmission power + Antenna gain - Cable attenuation
If several wireless systems are operated in parallel and in close proximity, you must set
the RF band and the network ID. These parameters can be set via the SATEL-LP-CONF
software or by using a SATEL-LP-CONF stick (see “Configuration via SATEL-LP-CONF
stick” on page 35).
SATEL-LP
40
SATEL 106983_en_01
5.6.3 Data transmission speed of the wireless interface
The range is an important parameter in industrial wireless applications, especially in out-
door applications. Even in cases where long ranges do not have to be covered, good re-
ceiver sensitivity enables transmission in harsh outdoor conditions, e.g., when there is no
direct line of sight.
The receiver sensitivity determines the signal amplitude which can just about be received
by the wireless module. The lower the data transmission speed of the wireless interface, the
higher the receiver sensitivity and therefore the range.
You can cover distances in the kilometer range using the wireless module if the following
conditions are met:
– Suitable gain antennas are used
– Line of sight
– Adherence to the Fresnel zone
If you reduce the data transmission speed, obstacles such as walls or trees can be over-
come much better. Please note, however, that the delay time increases when the data rate
is reduced.
Adjust the data transmission speed of the wireless interface to the respective application
using the SATEL-LP-CONF software (SATEL-LP24 default setting = 125 kbps,
SATEL-LP8 default setting = 9.6 kbps).
Table 5-4 Data transmission speed of the SATEL-LP24 wireless interface
Data transmis-
sion speed
Typical receiver
sensitivity
EIRP (max. radi-
ated power)
Potential distance
with line of sight and
12 dB system reserve
250kbps -93dBm 20dBm
(Europe: 19 dBm)
1000 m
125kbps -96dBm 20dBm
(Europe: 18 dBm)
3000 m
(Europe: 2000 m)
16 kbps -106 dBm 20 dBm
(Europe: 11 dBm)
5000 m
(Europe: 3000 m)
Table 5-5 Data transmission speed of the SATEL-LP8 wireless interface
Data transmis-
sion speed
Typical receiver
sensitivity
EIRP (max. radi-
ated power)
Potential distance
with line of sight and
12 dB system reserve
120kbps -103dBm
27 dBm
10 km
60 kbps -104 dBm 15 km
19.2 kbps -111 dBm 18 km
9.6kbps -114dBm 20km
1.2kbps -122dBm 25km
Configuration and startup
106983_en_01 SATEL 41
Figure 5-6 SATEL-LP-CONF software: Wizard, Step 3
Figure 5-7 SATEL-LP-CONF software: Setting the data transmission speed
SATEL-LP
42
SATEL 106983_en_01
5.6.4 Device settings
You can assign a device name or set the transmission power under “Device Settings”. All
device parameters are listed on the “Overview” tab.
Figure 5-8 SATEL-LP-CONF software: Individual Settings, Overview
By default upon delivery, the receive preamplifier is activated and the transmission power
is set so that the devices can cover the greatest possible distances (SATEL-LP24:
18 dBm, SATEL-LP8: 27 dBm). Therefore, if the devices are operated directly next to one
another the receiver may become overloaded. In this case, remove the antennas, in-
crease the distance between the devices and antennas or reduce the transmission power
using the SATEL-LP-CONF software.
Configuration and startup
106983_en_01 SATEL 43
Depending on the operating mode, you can configure the serial interface under “Individual
Settings” on the “Serial Port” tab.
To activate the serial interface, select the “Serial data” or “PLC/Modbus RTU mode” network
application under “Network Settings”.
Figure 5-9 SATEL-LP-CONF software: Individual Settings, Serial Port
Under “Individual Settings” on the “Allowed Parents” tab, you can define the wireless mod-
ules to which a connection may be established. This setting is required, for example, when
creating repeater chains. Repeater chains are used to circumvent obstacles or to set up re-
dundant wireless paths by means of several repeaters.
Figure 5-10 SATEL-LP-CONF software: Individual Settings, Allowed Parents
You can only use one interface per wireless module. Parallel operation of both interfaces
is not possible.
The “Allowed Parents” tab is only available if the “Line/Mesh” network type has been se-
lected.
SATEL-LP
44
SATEL 106983_en_01
5.7 Diagnostics on the wireless module
A total of nine LEDs on the wireless module indicate the operating states.
Figure 5-11 Diagnostics LEDs on the wireless module
PWR LED
The green PWR LED indicates the supply voltage status.
DAT LED
The green DAT LED indicates the bus communication status.
ERR LED
The red ERR LED indicates the error status.
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration mode
On Cyclic data communication
Off No error
Flashing
Slow (1.4 Hz) Wireless module in I/O data mode
– Double assignment of I/O MAP address (e.g., two input mod-
ules with the same I/O MAP address)
– Missing input module
– Missing output module
–RAD ID changed
Wireless module in PLC/Modbus RTU mode
– Double assignment of I/O MAP address (e.g., two input mod-
ules with the same I/O MAP address)
–RAD ID changed
– No Modbus communication
Fast (2.8 Hz) Wireless connection interrupted
On Local bus error, e.g., input or output module not read
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
set
D(A)
D(B)
RX
COM
1
TX
No
2
GND
NC
1
+24 V
RSSI
+
0V
ANT
RSSI
-
Configuration and startup
106983_en_01 SATEL 45
5.7.1 LED bar graph
The LED bar graph indicates the receive signal strength.
Table 5-6 LED bar graph
Bar graph LEDs Receive signal RSSI
voltage
All LEDs light up Connection with maximum
receive signal
2.5 V ... 3 V
One yellow and two green
LEDs light up
Connection with very good
receive signal
2 V ... 2.5 V
One yellow and one green
LED light up
Connection with good receive
signal
1.5 V ... 2 V
One yellow LED lights up Connection with weak receive
signal
1 V ... 1.5 V
Off Not connected, configuration
mode or overload
1
1
By default upon delivery, the receive preamplifier is activated and the transmission
power is set so that the devices can cover the greatest possible distances (SATEL-
LP24: 18 dBm, SATEL-LP8: 27 dBm). Therefore, if the devices are operated di-
rectly next to one another the receiver may become overloaded. In this case, re-
move the antennas, increase the distance between the devices and antennas or
reduce transmission power using the SATEL-LP-CONF software (from page 38
onwards).
0V
SATEL-LP
46
SATEL 106983_en_01
Table 5-7 SATEL-LP24 RSSI voltage
Table 5-8 SATEL-LP8 RSSI voltage
LED bar graph - running light
The running light from bottom to top indicates:
–Firmware update or
– Wireless module in write mode for the memory stick
16k 125k 250k RSSI
voltage
LED 3 -70 dBm -65 dBm -60 dBm ≥ 2.5 V
LED 2 -80 dBm -75 dBm -70 dBm ≥ 2.0 V
LED 1 -90 dBm -85 dBm -80 dBm ≥ 1.5 V
LINK LED LINK LINK LINK ~1.0 V
1.2k 9.6k 19.2k 60k 120k RSSI
voltage
LED 3 -90 dBm -85 dBm -80 dBm -75 dBm -70 dBm ≥ 2.5 V
LED 2 -100 dBm -95 dBm -90 dBm -85 dBm -80 dBm ≥ 2.0 V
LED 1 -110 dBm -105 dBm -100 dBm -95 dBm -90 dBm ≥ 1.5 V
LINK LED LINK LINK LINK LINK LINK ~1.0 V
Configuration and startup
106983_en_01 SATEL 47
TX LED, transmit data
The green TX LED indicates communication on the RS-232/RS-485 interface. The wireless
module is transmitting data.
In I/O data mode, the TX LED on the wireless master flashes (RAD ID = 01). This indicates
that the wireless master is continuously sending search requests to RS-485 stations.
RX LED, receive data
The green RX LED indicates communication on the RS-232/RS-485 interface. The wireless
module is receiving data.
SET button
You can confirm a station change with the SET button, without having to perform a power
up. Station changes include:
– Changing the RAD ID address of the wireless module
– Changing the I/O MAP address of the extension module
– Adding or removing an I/O extension module
– Using a SATEL-LP-CONF stick or memory stick
After making any change, press the SET button for at least one second to apply the settings.
The DAT LED starts flashing. The read-in process has been completed once the DAT LED
stops flashing.
RF link relay
The RF link relay in the wireless module diagnoses the state of the wireless connection. If
the device is no longer receiving the data packets correctly, the relay is deactivated after a
while. The relay picks up again automatically when the wireless connection is re-estab-
lished. The relay has been designed as a change-over contact.
RSSI test socket
A voltage measuring device can be connected to the RSSI test socket (2.1/2.2) to measure
the RSSI voltage from 0 V ... 3 V. You can use the table on page 46 to determine the re-
ceived signal strength based on the measured voltage. However, please note the small volt-
age fluctuation due to multipath propagation.
The RSSI voltage depends on the data rate set for the wireless interface. The higher the
RSSI voltage, the better the wireless connection.
For example, the RSSI voltage may be helpful when positioning and aligning the antenna.
The recommended minimum signal strength is 1.5 V DC. This results in a power reserve of
around 10 dB, which ensures communication even in unfavorable transmission conditions.
The RF link relay can be used as a fault message contact to indicate the failure of the wire-
less connection to the controller.
SATEL-LP
48
SATEL 106983_en_01
RSSI LED bar graph
Figure 5-12 Bar graph for point-to-point connection
In a point-to-point connection with just two wireless modules, the LED bar graph is active on
both the master and the repeater/slave.
Figure 5-13 Bar graph for point-to-multipoint connection
In a wireless network with more than one repeater/slave, only the yellow LED on the master
is permanently on. The signal strength is displayed on the repeaters/slaves. The indicated
signal strength is always related to the next wireless module in the direction of the master
(parents).
You can read the RSSI values via the serial interface of the master wireless module using
Modbus/RTU commands (see Section “RSSI signal and error code registers” on page 78).
Master
Repeater /
Slave
RAD-ID
Reset
+24 V
0V
RSSI-
RSSI+
ANT
SPORT
0 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24 V
0V
RSSI-
RSSI+
ANT
SPORT
0 2
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
Master
Repeater /
Slave
Repeater /
Slave
RAD-ID
Reset
+24 V
0V
RSSI-
RSSI+
ANT
SPORT
0 2
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24 V
0V
RSSI-
RSSI+
ANT
SPORT
0 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24 V
0V
RSSI-
RSSI+
ANT
SPORT
0 3
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
Configuration and startup
106983_en_01 SATEL 49
5.8 Diagnostics via SATEL-LP-CONF software
You can display all current device settings for the station under “Diagnostic” on the “Over-
view” tab.
• Select the desired station from the device list.
Figure 5-14 SATEL-LP-CONF software: Diagnostic, Overview
If an error occurs in the network, an error message is displayed under “Device Status”. If the
error is no longer present, the error message is reset.
Possible error messages:
– Missing input module
– Missing output module
– Double assignment of I/O MAP address
– Error on IFS bus
– Wireless connection interrupted
–RAD ID changed
– SATEL-LP-CONF stick has not yet been inserted
– The entire wireless network can be diagnosed using the master wireless module
(RAD ID = 01).
– When operating the network in serial data mode, it may not be possible to diagnose
all devices. In this case, stop the serial application in order to perform full diagnostics.
– For information on troubleshooting, please refer to Section “Detecting and removing
errors” on page 141.
SATEL-LP
50
SATEL 106983_en_01
The “I/O Status” tab displays the status and the current values of the connected I/O exten-
sion modules.
Figure 5-15 SATEL-LP-CONF software: Diagnostic, I/O Status
The “Serial Port” tab displays the parameters currently set for the RS-232/RS-485 interface.
Figure 5-16 SATEL-LP-CONF software: Diagnostic, Serial Port
Configuration and startup
106983_en_01 SATEL 51
The “Network settings” tab displays the network parameters currently set as well as the set-
tings for the SATEL-LP-CONF stick, if used.
Figure 5-17 SATEL-LP-CONF software: Diagnostic, Network settings
5.8.1 Recording parameters
The following parameters can be recorded using the SATEL-LP-CONF software:
– Signal strength
– Network structure
– Status and current values of the connected extension modules
• Click on “Record“ under “Diagnostic”
• Select “Network diagnostics“ or “I/O diagnostics“ under “Select the type of data to re-
cord”.
• Under “Recording interval”, you can specify how often the values should be recorded.
• For network diagnostics: activate “Record signal strength” or “Record network struc-
tures”.
For I/O diagnostics: select the desired stations.
• Select a storage location and click on “Start Recording”.
Diagnostic data is now written to a CSV file which can be opened with Excel, for example.
Figure 5-18 SATEL-LP-CONF software: Record diagnostic data, Network diagnostics
SATEL-LP
52
SATEL 106983_en_01
5.9 Starting up I/O extension modules
5.9.1 Combinations of extension modules
Several corresponding output modules at different stations can be assigned to one digital
or analog input module. The inputs are transmitted parallel to all the outputs. The channels
of the input module are mirrored to the channels of the output module.
Figure 5-19 Assignment of digital inputs and digital outputs
The combined SATEL-LP-DAIO6 extension modules can only be assigned in pairs, be-
cause each module has inputs and outputs. That is why only two modules in the network
may have the same I/O MAP address.
Figure 5-20 SATEL-LP-DAIO6 assignment: analog/digital inputs and outputs
It is not possible to separately assign the individual input channels of an extension mod-
ule to different output modules.
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
DI1L
DI2L
DI1H
DI2H
DI1
DI2
8 8
DI3L
DI4L
DI3H
DI4H
DI3
DI4
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
9
9
Reset
D(A)
D(B)
RX
CO
1
TX
CO2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
COM3
COM4
NO3
NO4
NC3
NC4
8 8
OFF ON
DIP-1
1
2
3
4
COM1
COM2
NO1
NO2
NC1
NC2
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
3
Reset
D(A)
D(B)
RX
CO
1
TX
CO2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
COM3
COM4
NO3
NO4
NC3
NC4
8 8
OFF ON
DIP-1
1
2
3
4
COM1
COM2
NO1
NO2
NC1
NC2
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
2
Reset
D(A)
D(B)
RX
CO
1
TX
CO2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
COM3
COM4
NO3
NO4
NC3
NC4
8 8
OFF ON
DIP-1
1
2
3
4
COM1
COM2
NO1
NO2
NC1
NC2
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
2
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
OFF ON
DIP-1
1
2
3
4
DI1L
DI2L
DI1H
DI2H
DI1
DI2
UL1 +I1 -I1
U1 I1
1
COM1
COM2
NO1
NO2
NC1
NC2
1 2
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
OFF ON
DIP-1
1
2
3
4
DI1L
DI2L
DI1H
DI2H
DI1
DI2
UL1 +I1 -I1
U1 I1
1
COM1
COM2
NO1
NO2
NC1
NC2
1 2
Configuration and startup
106983_en_01 SATEL 53
5.9.2 Setting the address of the extension modules using the
thumbwheel
For I/O-to-I/O transmission of signals, you must assign a corresponding output module to
the input module. Set the I/O MAP address (01 ... 99) using the white thumbwheel on the
I/O extension module.
Addressing extension modules
• Use the thumbwheel to set the address.
• Press the SET button on the front of the wireless module to read the active configura-
tion.
The following settings can be made using the white thumbwheel:
The following conditions must be met:
– Addresses 1 ... 99 (maximum) can be assigned for the extension modules in the entire
wireless network.
Table 5-9 Assignment of input modules and output modules
Input module Output module
YI0103 SATEL-LP-AI4 YI0104 SATEL-LP-AO4
YI0108 SATEL-LP-PT100 YI0104 SATEL-LP-AO4
YI0101 SATEL-LP-DI4 YI0102 SATEL-LP-DOR4
YI0106 SATEL-LP-DI8 YI0107 Static mode: SATEL-LP-DO8
- Pulse counter mode:
no output module, can only be used in
PLC/Modbus RTU mode
YI0105 SATEL-LP-DAIO6 YI0105 SATEL-LP-DAIO6
Table 5-10 White thumbwheel setting
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
SATEL-LP
54
SATEL 106983_en_01
Wireless module in I/O data mode
– The input module must be provided with the same I/O MAP address as the assigned
output module at another station (I/O mapping). Output modules with the same I/O MAP
address may appear several times in the network at different stations.
– The I/O MAP address of an input module may only appear once in the network.
– The channels of the input module are directly assigned to the channels of the output
module:
Wireless module in PLC/Modbus RTU mode
–Output modules must not have the same I/O MAP address as input modules. Excep-
tion: output modules with the same I/O MAP address may appear several times in the
network at different stations.
– The I/O MAP address of an input module may only appear once in the network.
– The input and output data is saved in a Modbus memory map in the master wireless
module. You can read or write the process data via the serial interface of the master
wireless module (RAD ID = 01) using the Modbus/RTU command. The process data ta-
bles can be found starting on page 64.
5.10 Startup time of the wireless station
Once a wireless station has been started up (power “ON”), the wireless module will take
several seconds until it is ready for operation. Each connected I/O extension module in-
creases the startup time. Accordingly, a complete wireless station with 32 I/O extension
modules may take several minutes to start up. Only after this time has elapsed is the wire-
less station ready for operation.
Input module Output module
Channel 1 Channel 1
Channel 2 Channel 2
... ...
It is not possible to individually assign the channels of the input and output modules.
Serial data mode
106983_en_01 SATEL 55
6 Serial data mode
In serial data mode, multiple controllers or serial I/O devices are networked quickly and eas-
ily using wireless technology. In this way, serial RS-232 or RS-485 cables can be replaced.
Figure 6-1 Serial data mode
You can configure the serial interface of the wireless module using the SATEL-LP-CONF
software. In order to connect the wireless module to the PC, you need the SATEL-LP-PROG
USB cable (Order No. YC0520).
– When operating the network in serial data mode, it may not be possible to diagnose
all devices. In this case, stop the serial application in order to perform full diagnostics.
– Using the SATEL-LP-CONF software, you can assign different serial settings to the
devices under “Individual Settings”.
– For additional information on the USB cable, please refer to the package slip of
SATEL-LP-PROG. The latest documentation can be downloaded via the product at
www.satel.com
.
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
2
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
0
0
2
2
4
4
6
6
8
8
9
10
12
ADDRESS
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
x10 x1
X1
PROFIBUS DP
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0 1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
RESET
MRESET
STOP
RUN/PROG
X1
LNK ACT
PRG
1.1
D
TR
2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1
TxD
TxD
2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0 3
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
kW
kvarh
kVA
COM
L1
L2
L3
I
U F
PPF
E
12 14 16 2 18 8 10 20 22
135 7911 4 6 13 15 17
V1 V2 V3 VN
Input Aux Supply
S1 S2 S1 S2 S1 S2
I1 I2 I3 Output RS485
°C
TEST
OK
PROG
+- +-
C=0,1Wh/imp
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0 4
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
0
0
2
2
4
4
6
6
8
8
9
10
12
ADDRESS
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
x10 x1
X1
PROFIBUS DP
SATEL-LP
56
SATEL 106983_en_01
• Start the SATEL-LP-CONF software.
• Follow the software wizard.
• Once you have performed all the steps in the wizard, you can save the project and
transfer it to the wireless modules.
Figure 6-2 SATEL-LP-CONF software: Wizard, Step 3
Figure 6-3 SATEL-LP-CONF software: Wizard, Step 4
Serial data mode
106983_en_01 SATEL 57
6.1 Frame-based data transmission
T
IdleMin
parameter (minimum pause between two frames)
The T
IdleMin
parameter refers to the minimum pause that must elapse between two frames
on the output side (wireless module is transmitting data via the serial interface).
Figure 6-4 Frame-based data transmission: T
IdleMin
parameter
T
FrameEnd
parameter
T
FrameEnd
is the time maintained by the transmitting wireless module between two frames.
If the data received by the wireless module is followed by a certain period of time where no
further data is received, the wireless module assumes that the frame has arrived in its en-
tirety. The frame is then transmitted. This period of time is referred to as T
FrameEnd
.
T
FrameEnd
must be shorter than the minimum interval between two frames
(T
FrameEnd
<T
IdleMin
). T
FrameEnd
must, however, also be greater than the maximum interval
that is permitted between two characters in a frame. Otherwise the frame might be frag-
mented.
Figure 6-5 Frame-based data transmission: T
FrameEnd
parameter
Frame 1
T
idleMin
Idle Idle Idle
Frame 2
T
idleMin
Frame 3
T
idleMin
Idle
Frame 1
OK
Frame 2
NOT OK
T
FrameEnd
T
FrameEnd
Idle Idle Idle
SATEL-LP
58
SATEL 106983_en_01
Setting telegram pauses based on the example of Modbus/RTU
A frame is also referred to as a telegram. The length of the transmission pause between the
telegrams depends on the set data rate. The beginning and end of a telegram is recognized
by means of a time condition. A pause of 3.5 characters means that the telegram is com-
plete and the next character is to be interpreted as the slave address. A telegram must
therefore be sent as a continuous stream of data. If there is an interruption of more than
1.5 characters within a telegram, the data will be discarded by the receiver.
If the master is not able to transmit the successive characters quickly enough and commu-
nication is aborted, you must increase the minimum pause time (T
FrameEnd
) between the in-
dividual characters of a telegram.
• To adapt data transmission to other protocols, you can adjust the T
FrameEnd
and T
IdleMin
parameters accordingly. Set the interface parameters under “Individual Settings”.
Figure 6-6 SATEL-LP-CONF software: Individual Settings
PLC/Modbus RTU mode
106983_en_01 SATEL 59
7PLC/Modbus RTU mode
Activate PLC/Modbus RTU mode using the SATEL-LP-CONF software (from page 38). In
PLC/Modbus RTU mode, you can wirelessly connect I/O extension modules directly to a
controller (I/O to serial). The wireless module provides an RS-232 or RS-485 interface for
this. In PLC/Modbus RTU mode, the master wireless module works as a Modbus slave and
has its own Modbus slave address. The entire wireless network therefore behaves like a
single Modbus slave.
You can connect I/O extension modules to each wireless device in the network. A wireless
network can have a maximum of 99 extension modules. Use the white thumbwheel to set
the I/O MAP addresses.
Figure 7-1 PLC/Modbus RTU mode
7.1 Configuration via SATEL-LP-CONF software
• Start the SATEL-LP-CONF software (see page 38).
• Create a new network project.
• Follow the software wizard.
Figure 7-2 SATEL-LP-CONF software: Wizard, Step 3
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
2
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
DI1L
DI2L
DI1H
DI2H
DI1
DI2
0 1
DI3L
DI4L
DI3H
DI4H
DI3
DI4
IO-MAP
PWR
DAT
ERR
OFF ON
DIP-1
1
2
3
4
0 2
PWR2 +I2 -I2
PWR1 +I1 -I1
PWR4 +I4 -I4
PWR3 +I3 -I3
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
RESET
MRESET
STOP
RUN/PROG
X1
LNK ACT
PRG
1.1
D
TR
2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1
TxD
TxD
2.1
1.2
1.3
1.4
2.2
2.3
2.4
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
4
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
DI1L
DI2L
DI1H
DI2H
DI1
DI2
0 5
DI3L
DI4L
DI3H
DI4H
DI3
DI4
IO-MAP
PWR
DAT
ERR
OFF ON
DIP-1
1
2
3
4
0 6
PWR2 +I2 -I2
PWR1 +I1 -I1
PWR4 +I4 -I4
PWR3 +I3 -I3
RAD-ID
SPORT
PWR
DAT
ERR
RXTX
0
3
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
OFF ON
DIP-1
1
2
3
4
0 3
PWR2 +I2 -I2
PWR1 +I1 -I1
PWR4 +I4 -I4
PWR3 +I3 -I3
IO-MAP
PWR
DAT
ERR
DO2
DO1
DI2
DI1
OFF ON
DIP-1
1
2
3
4
DI1L
DI2L
DI1H
DI2H
DI1
DI2
UL1 +I1 -I1
U1 I1
1
COM1
COM2
NO1
NO2
NC1
NC2
0 4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
1.1 2.1
1.2
1.3
1.4
2.2
2.3
2.4
SATEL-LP
60
SATEL 106983_en_01
• Select PLC/Modbus RTU mode and assign a Modbus address.
• Follow the software wizard.
In order to enable the master wireless module to communicate with a controller via the
RS-232 or RS-485 interface, you must set the interface parameters. Please note that the
controller settings must match the settings of the wireless module.
The Modbus connection between the controller and the wireless module can be monitored
via a watchdog.
7.2 Addressing I/O extension modules
In PLC/Modbus RTU mode, a wireless network can have a maximum of 99 I/O extension
modules.
• Use the white thumbwheel on the I/O extension module to set the I/O MAP address.
You can find information on addressing extension modules on page 53 onwards.
The Modbus address is a unique address in the Modbus network. It is only assigned for
the master wireless module (RAD ID = 01). You can assign an address between
1 and 247.
Table 7-1 Configuration via SATEL-LP-CONF software
Parameter Possible values Default setting
Interface type RS-232, RS-485 RS-232
Data rate 300 ... 115200 bps 19200 bps
Parity None, even, odd None
Number of stop bits 1; 2 1
Number of data bits 8 8
Modbus address 1 ... 247 1
PLC/Modbus RTU mode
106983_en_01 SATEL 61
7.3 Watchdog
The Modbus telegram watchdog monitors the connection between the master wireless
module and the controller. It is triggered each time a Modbus telegram is received correctly.
You can activate the watchdog using the SATEL-LP-CONF software.
• Under “Individual Settings”, select the “Network Settings” item. You can set a watchdog
time of 200 ms ... 65000 ms here.
.
Figure 7-3 SATEL-LP-CONF software: Individual Settings, Network Settings
When the watchdog is triggered, an action will be performed on the I/O output modules. You
can set the behavior in the event of an error using the DIP switches on the front:
– OFF = RESET: the output value is set to 0
– ON = HOLD: hold the last output value
For more information about setting the DIP switches for the different extension modules,
please refer to Section “Description of I/O extension modules” on page 81.
If the watchdog is activated and Modbus communication is interrupted, the red ERR LED
will flash on all wireless modules in the network. Depending on the DIP switch settings, the
output modules output the corresponding hold or reset value.
SATEL-LP
62
SATEL 106983_en_01
7.4 Modbus function codes
In the Modbus protocol, the function codes define which data is to be read or written.
7.4.1 Addressing registers
Function code 04
You must enter 0000 (hex0000) as the start address in order to read register 30001. The
address area 3xxxx is already defined by the function code field.
Function codes 03 and 16
You must enter 0031 (hex001F) as the start address in order to read or write register
40032 ... 40039. The address area 4xxxx is already defined by the function code field.
Table 7-2 Supported Modbus function codes
Code number Function code Description
fc 03 Read Holding Register Read OUT process data
(address area 40010 ... 40999)
fc 04 Read Input Register Read IN process data
(address area 30010 ... 30999)
fc 16 Write Multiple Registers Write multiple output registers word by word
– Other function codes exist in the Modbus protocol, but they are not supported.
– Registers 1 ... 123 can be read or written with a command.
Please note that a distinction is made in the Modbus telegram between the register num-
ber and register address:
– The register number starts with 1.
– The register address starts with 0.
PLC/Modbus RTU mode
106983_en_01 SATEL 63
7.5 Module type and error code registers for I/O exten-
sion modules
You can read the module type and data currentness of the I/O extension modules from reg-
isters 30xx0 and 40xx0.
The individual I/O extension modules can be clearly distinguished by the module type. The
module type ID of the extension module can be read in the Modbus register.
Table 7-4 Module type IDs
“Module type” register value
If the module type in the register is invalid or unavailable, then the register value is 0.
“Currentness of data” register value
If the data in the register is not up to date, then the register value is 1. This is the case, for
example, if the wireless connection to an input module fails. The IN process data is then re-
tained in the Modbus table, but is no longer updated. In the case of an output module, the
“Currentness of data” register value is set to 1 until the OUT process data has been written
to the Modbus registers. The read I/O data is only valid and current if a valid module type
value is returned by the slave and the “Currentness of data” register value is 0.
Table 7-3 Module type and currentness of data
30xx0, 40xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
Module type
Module type Order No. Module type ID
Analog inputs
SATEL-LP-AI4 YI0103 20
hex
SATEL-LP-PT100 YI0108 21
hex
Analog outputs
SATEL-LP-AO4 YI0104 30
hex
Digital inputs
SATEL-LP-DI4 YI0101 01
hex
SATEL-LP-DI8 YI0106 02
hex
(static mode)
40
hex
(pulse counter mode)
Digital outputs
SATEL-LP-DOR4 YI0102 10
hex
SATEL-LP-DO8 YI0107 11
hex
Analog/digital inputs and outputs
SATEL-LP-DAIO6 YI0105 60
hex
SATEL-LP
64
SATEL 106983_en_01
7.5.1 Assigning I/O extension modules to the register
You can use the white thumbwheel on the I/O extension module to assign an I/O MAP ad-
dress in the Modbus memory map. Example: if you set the thumbwheel of an input module
to I/O MAP address = 01, the register assignment is 30010.
7.6 Modbus memory map
The I/O data from the extension modules is stored in an internal register, the Modbus mem-
ory map. The Modbus memory map is located in the master wireless module with
RAD ID = 01. The data contained here can be read or written by a Modbus master.
The following process data tables for the individual extension modules show at what point
the I/O data is stored in the Modbus memory map. You can find a complete overview of the
Modbus memory map on page 75 onwards.
The RSSI signal register can be found on page 78 onwards.
Table 7-6 SATEL-LP24 RSSI voltage
Table 7-7 SATEL-LP8 RSSI voltage
Table 7-5 Setting the white thumbwheel for register 30010 (read)
Read
register
I/O MAP address
(white thumbwheel)
Consecutive number
0 ... 9
30 01 0
16k 125k 250k RSSI
voltage
LED 3 -70 dBm -65 dBm -60 dBm ≥ 2.5 V
LED 2 -80 dBm -75 dBm -70 dBm ≥ 2.0 V
LED 1 -90 dBm -85 dBm -80 dBm ≥ 1.5 V
LINK LED LINK LINK LINK ~1.0 V
1.2k 9.6k 19.2k 60k 120k RSSI
voltage
LED 3 -90 dBm -85 dBm -80 dBm -75 dBm -70 dBm ≥ 2.5 V
LED 2 -100 dBm -95 dBm -90 dBm -85 dBm -80 dBm ≥ 2.0 V
LED 1 -110 dBm -105 dBm -100 dBm -95 dBm -90 dBm ≥ 1.5 V
LINK LED LINK LINK LINK LINK LINK ~1.0 V
PLC/Modbus RTU mode
106983_en_01 SATEL 65
7.6.1 SATEL-LP-AI4 process data
I/O module Module type ID Register Address area Function code
SATEL-LP-AI4 20
hex
06
hex
30xx0 ... 30xx5
1
1
xx = I/O MAP address set using the white thumbwheel
fc 04
Table 7-8 SATEL-LP-AI4 module type and currentness of data
30xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. This is the
case, for example, if the wireless connection or communication with an input mod-
ule fails. In this case, the IN process data is retained in the Modbus table, but is no
longer updated.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0
30xx1 Reserved
30xx2 Analog input 1 (terminal point 2.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AI1
30xx3 Analog input 2 (terminal point 3.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AI2
30xx4 Analog input 3 (terminal point 4.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AI3
30xx5 Analog input 4 (terminal point 5.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AI4
30xx6 ... 30xx9 Reserved
SATEL-LP
66
SATEL 106983_en_01
7.6.2 SATEL-LP-PT100 process data
I/O module Module type ID Register Address area Function code
SATEL-LP-PT100 21
hex
06
hex
30xx0 ... 30xx5
1
1
xx = I/O MAP address set using the white thumbwheel
fc 04
Table 7-9 SATEL-LP-PT100 module type and currentness of data
30xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. This is the
case, for example, if the wireless connection or communication with an input mod-
ule fails. In this case, the IN process data is retained in the Modbus table, but is no
longer updated.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0.
30xx1 Reserved
30xx2 Pt 100 input 1 (terminal point 2.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
T1
30xx3 Pt 100 input 2 (terminal point 3.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
T2
30xx4 Pt 100 input 3 (terminal point 4.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
T3
30xx5 Pt 100 input 4 (terminal point 5.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
T4
30xx6 ... 30xx9 Reserved
PLC/Modbus RTU mode
106983_en_01 SATEL 67
7.6.3 SATEL-LP-AO4 process data
I/O module Module type ID Register Address area Function code
SATEL-LP-AO4 30
hex
06
hex
40xx0 ... 40xx5
1
1
xx = I/O MAP address set using the white thumbwheel
fc 03, 16
Table 7-10 SATEL-LP-AO4 module type and currentness of data
40xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. If the process
data has been written to one of the registers, then the register value is 0. The reg-
ister value then remains 0 for the entire operating time of the device.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0.
40xx1 Reserved
40xx2 Analog output 1 (terminal point 2.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AO1
40xx3 Analog output 2 (terminal point 3.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AO2
40xx4 Analog output 3 (terminal point 4.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AO3
40xx5 Analog output 4 (terminal point 5.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AO4
40xx6 ... 40xx9 Reserved
SATEL-LP
68
SATEL 106983_en_01
7.6.4 SATEL-LP-DI4 process data
I/O module Module type ID Register Address area Function code
SATEL-LP-DI4 01
hex
02
hex
30xx0 ... 30xx1
1
1
xx = I/O MAP address set using the white thumbwheel
fc 04
Table 7-11 SATEL-LP-DI4 module type and currentness of data
30xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. This is the
case, for example, if the wireless connection or communication with an input mod-
ule fails. In this case, the IN process data is retained in the Modbus table, but is no
longer updated.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0.
30xx1 Digital inputs
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
DI4 DI3 DI2 DI1
Terminal point
6.x 5.x 2.x 1.x
30xx2 ... 30xx9 Reserved
PLC/Modbus RTU mode
106983_en_01 SATEL 69
7.6.5 SATEL-LP-DI8 process data
I/O module Module type ID Register Address area Function code
SA-
TEL-LP-DI8
02
hex
Static mode
02
hex
Static inputs
30xx0 ... 30xx1
1
1
xx = I/O MAP address set using the white thumbwheel
fc 04
40
hex
Pulse counter
mode
06
hex
Pulse inputs
30xx0 ... 30xx5
1
fc 04
40
hex
Pulse counter
mode
02
hex
Reset counter
states
40xx0 ... 40xx1
1
fc 03, 16
Table 7-12 SATEL-LP-DI8 module type and currentness of data
30xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. This is the
case, for example, if the wireless connection or communication with an input mod-
ule fails. In this case, the IN process data is retained in the Modbus table, but is no
longer updated.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0.
SATEL-LP
70
SATEL 106983_en_01
30xx1 Digital inputs DI1 ... DI8 (static mode)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
DI8 DI7 DI6 DI5 DI4 DI3 DI2 DI1
Terminal point
5.x 5.x 4.x 4.x 3.x 3.x 2.x 2.x
30xx2 DI1: 32-bit pulse input, pulse counter mode
(terminal point 2.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Counter state DI1, low word
30xx3 DI1: 32-bit pulse input, pulse counter mode
(terminal point 2.x)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Counter state DI1, high word
30xx4 DI7: 32-bit pulse input, pulse counter mode
(terminal point 5.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Counter state DI7, low word
30xx5 DI7: 32-bit pulse input, pulse counter mode
(terminal point 5.x)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Counter state DI7, high word
30xx6 ... 30xx9 Reserved
40xx1 Reset counter states DI1/DI7
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
X
1
1
Bit 1 = 1: counter state DI7 reset to 0
X
2
2
Bit 0 = 1: counter state DI1 reset to 0
40xx2 ... 40xx9 Reserved
PLC/Modbus RTU mode
106983_en_01 SATEL 71
7.6.6 SATEL-LP-DOR4 process data
I/O module Module type ID Register Address area Function code
SATEL-LP-DOR4 10
hex
02
hex
40xx0 ... 40xx1
1
1
xx = I/O MAP address set using the white thumbwheel
fc 03, 16
Table 7-13 SATEL-LP-DOR4 module type and currentness of data
30xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. If the process
data has been written to one of the registers, then the register value is 0. The value
then remains 0 for the entire operating time of the device.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0.
40xx1 Digital outputs
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
DO
4
DO
3
DO
2
DO
1
Terminal point
6.x 5.x 2.x 1.x
40xx2 ... 40xx9 Reserved
SATEL-LP
72
SATEL 106983_en_01
7.6.7 SATEL-LP-DO8 process data
I/O module Module type ID Register Address area Function code
SATEL-LP-DO8 11
hex
02
hex
Outputs
40xx0 ... 40xx1
1
1
xx = I/O MAP address set using the white thumbwheel
fc 03, 16
02
hex
Short-circuit
detection
30xx0 ... 30xx1
1
fc 04
Table 7-14 SATEL-LP-DO8 module type and currentness of data
30xx0, 40xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. If the process
data has been written to one of the registers, bit 8 in 40xx0 is set to 0. The value in
register 40xx0 then remains 0 for the entire operating time of the device.
However, in register 30xx0 bit 8 is reset to 1 as soon as the status of short-circuit
detection is not up to date. This is the case, for example, if communication with an
input module fails. In this case, the IN process data is retained in the Modbus table,
but is no longer updated.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0.
30xx1 Short-circuit detection at the digital outputs
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Reserved X
1
1
Bit 1 = 1: short circuit detected at one output or several outputs 5 ... 8.
X
2
2
Bit 0 = 1: short circuit detected at one output or several outputs 1 ... 4.
PLC/Modbus RTU mode
106983_en_01 SATEL 73
7.6.8 SATEL-LP-DAIO6 process data
30xx2 ... 30xx9 Reserved
40xx1 Digital outputs DO1 ... DO8
Channel (high byte) Channel (low byte)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Reserved DO
8
DO
7
DO
6
DO
5
DO
4
DO
3
DO
2
DO
2
Terminal point
5.x 5.x 4.x 4.x 3.x 3.x 2.x 2.x
40xx2 ... 40xx9 Reserved
I/O module Module type ID Register Address area Function code
SATEL-LP-DAIO6 60
hex
03
hex
(inputs)
30xx0 ... 30xx2
1
1
xx = I/O MAP address set using the white thumbwheel
fc 04
03
hex
(outputs)
40xx0 ... 40xx2
1
fc 03, 16
Table 7-15 SATEL-LP-DAIO6 module type and currentness of data
30xx0
1
1
xx = I/O MAP address set using the white thumbwheel
Module type and currentness of data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Y
2
2
Y = Currentness of data, bit 8
If the data in the register is not up to date, then the register value is 1. If the process
data has been written to one of the registers, bit 8 in 40xx0 is set to 0. The value in
register 40xx0 then remains 0 for the entire operating time of the device. This is the
case, for example, if the wireless connection fails. The IN process data is retained
in the Modbus table, but is no longer updated.
Module type
3
3
If the module type in the register is invalid or unavailable, then the register value
is 0.
SATEL-LP
74
SATEL 106983_en_01
30xx1 Digital inputs
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
DI2 DI1
Terminal point
2.x 1.x
30xx2 Analog input (terminal point 3.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AI1
30xx3 ... 30xx9 Reserved
40xx1 Digital outputs
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
DO
2
DO
1
Terminal point
6.x 5.x
40xx2 Analog output (terminal point 4.x)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
AO1
Terminal point
4.x
40xx3 ... 40xx9 Reserved
PLC/Modbus RTU mode
106983_en_01 SATEL 75
7.6.9 Complete overview of the Modbus memory map
I/O input data, address area 30010 ... 30999
Modbus function code 04
I/O output data, address area 40010 ... 40999
Modbus function code 03, 16
SATEL-LP-DAIO6 SATEL-LP-DAIO6
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Currentness of data Module type ID
40 xx 0
Currentness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1
DI
40 xx 1
DO
2 1 2 1
X X X X
30 xx 2
AI1
40 xx 2
AO1
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
30xx3 ... 30xx9 reserved 40xx3 ... 40xx9 reserved
SATEL-LP-DI4 SATEL-LP-DOR4
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Currentness of data Module type ID
40 xx 0
Currentness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1
DI4 ... DI1
40 xx 1
DO4 ... DO1
X X X X X X X X
30xx2 ... 30xx9 reserved 40xx2 ... 40xx9 reserved
SATEL-LP-DI8 SATEL-LP-DI8
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Currentness of data Module type ID
40 xx 0
Currentness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1
DI8 ... DI1
40 xx 1
Bit 0 = 1: Reset DI1
Bit 1 = 1: Reset DI7
X X X X X X X X X X
30 xx 2
Counter state DI1 (low word) 40xx2 ... 40xx9 reserved
X X X X X X X X X X X X X X X X
30 xx 3
Counter state DI1 (high word)
X X X X X X X X X X X X X X X X
30 xx 4
Counter state DI7 (low word)
X X X X X X X X X X X X X X X X
30 xx 5
Counter state DI7 (high word)
X X X X X X X X X X X X X X X X
30xx6 ... 30xx9 reserved
SATEL-LP
76
SATEL 106983_en_01
I/O input data, address area 30010 ... 30999
Modbus function code 04
I/O output data, address area 40010 ... 40999
Modbus function code 03, 16
SATEL-LP-DO8 SATEL-LP-DO8
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Currentness of data Module type ID
40 xx 0
Currentness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1
Short-circuit detection
Bit 0: DO 1 ... 4, bit 1: 5 ... 8
40 xx 1
DO
9 8 7 6 5 4 3 2 1
X X X X X X X X X X X
30xx2 ... 30xx9 reserved 40xx2 ... 40xx9 reserved
SATEL-LP-AI4 SATEL-LP-AO4
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Currentness of data Module type ID
40 xx 0
Currentness of data Module type ID
X X X X X X X X X X X X X X X X X X
30 xx 1 Reserved 40 xx 1 Reserved
30 xx 2
AI1
40 xx 2
AO1
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
30 xx 3
AI2
40 xx 3
AO2
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
30 xx 4
AI3
40 xx 4
AO3
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
30 xx 5
AI4
40 xx 5
AO4
X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X
30xx6 ... 30xx9 reserved 40xx6 ... 40xx9 reserved
PLC/Modbus RTU mode
106983_en_01 SATEL 77
I/O input data, address area 30010 ... 30999
Modbus function code 04
I/O output data, address area 40010 ... 40999
Modbus function code 03, 16
SATEL-LP-PT100
I/O
MAP
High byte 15 ... 8 Low byte 7 ... 0
30 xx 0
Currentness of data Module type ID
X X X X X X X X X
30 xx 1 Reserved
30 xx 2
T1
X X X X X X X X X X X X X X X X
30 xx 3
T2
X X X X X X X X X X X X X X X X
30 xx 4
T3
X X X X X X X X X X X X X X X X
30 xx 5
T4
X X X X X X X X X X X X X X X X
30xx6 ... 30xx9 reserved
Example for reading temperature T1 (I/O MAP = 02):
function code 04, start address 21 (hex15)
.... . . . .... . . .
.... . . . .... . . .
30 99 0 40 99 0
SATEL-LP
78
SATEL 106983_en_01
7.6.10 RSSI signal and error code registers
The RSSI values indicate the received signal strength on the wireless module. You can read
the RSSI values via the serial interface of the master wireless module (RAD ID = 01) using
Modbus/RTU commands. The RSSI values of all wireless modules in the network are within
address area 35001 ... 35250.
Bit 08 = error on IFS bus
If an error is present on the IFS bus, the register value is 1 (e.g., local bus error, because the
input or output module is disconnected from the DIN rail connector). If no error is present on
the IFS bus, the register value is 0.
– Bits 9 ... 15 are reserved.
– Values < 255 indicate the RSSI value in -dBm.
– The value 255 means that the RSSI value is invalid or the device cannot be reached.
Example for reading the RSSI register of the station with RAD ID = 2:
Function code 04, start address 5001 (hex1389)
Table 7-16 RSSI signal and error code registers
Address area 35001 ... 35250
Modbus function code fc 04
Address Wireless module High byte Low byte, RSSI value
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
35001 RSSI - RAD ID = 1
(master)
Reserved
IFS
XXXXXXXX
35002 RSSI - RAD ID = 2 Reserved XXXXXXXX
... ... Reserved XXXXXXXX
35250 RSSI - RAD ID = 250Reserved XXXXXXXX
PLC/Modbus RTU mode
106983_en_01 SATEL 79
7.7 Error codes and formats for analog input and
output values
The measured value is represented in bits 0 ... 15. Values greater than 8000
hex
indicate an
error.
SATEL-LP-AI4 analog inputs
SATEL-LP-AO4 analog outputs
SATEL-LP-DAIO6 analog inputs and outputs
Table 7-17 Representation of SATEL-LP-AI4 analog values
Data word
hex dec / error code 0mA...20mA 4mA...20mA
0000 0 0 mA -
1770 6000 4 mA 4 mA
7530 30000 20 mA 20 mA
7F00 32512 21.67 mA 21.67 mA
8001 Overrange > 21.67 mA > 21.67 mA
8002 Open circuit - < 3.2 mA
8080 Underrange < 0 mA -
Table 7-18 Representation of SATEL-LP-AO4 analog values
Data word
hex dec / error code 0mA...20mA 0V...10V
0000 0 0 mA 0 V
7530 30000 20 mA 10 V
7F00 32512 21.67 mA 10.84 V
Table 7-19 Representation of SATEL-LP-DAIO6 analog values
Data word
hex dec / error code 0...20mA 4...20mA 0 V ... 10 V
0000 0 0 mA - 0 V
1770 6000 4 mA 4 mA 2 V
7530 30000 20 mA 20 mA 10 V
7F00 32512 21.67 mA 21.67 mA 10.84 V
8001 Overrange > 21.67 mA > 21.67 mA -
8002 Open circuit - < 3.2 mA -
8080 Underrange < 0 mA - -
SATEL-LP
80
SATEL 106983_en_01
Error codes and formats for Pt 100 values
Table 7-20 Representation of SATEL-LP-PT100 Pt 100 values
Data word SATEL-LP-PT100
Pt 100 input
SATEL-LP-AO4
analog output
hex dec / error code -50°C ... +250°C 0 mA ... 20 mA 0V...10V Possible cause
0000 0 -50°C 0 mA 0 V
7530 30000 +250°C 20 mA 10 V
7F00 32512 +275.12°C 21.67 mA 10.84 V
8001 Overrange
8002 Open circuit Sensor wired incorrectly,
measuring cable too long,
cable resistance too high
8080 Underrange
Description of I/O extension modules
106983_en_01 SATEL 81
8 Description of I/O extension modules
8.1 SATEL-LP-AI4 – analog extension module with four
inputs
The SATEL-LP-AI4 analog I/O extension module can process up to four input signals with
0/4 mA ... 20 mA. All inputs are electrically isolated from one another, from the supply volt-
age, and from the electronics.
A supply voltage of at least 12 V DC is available at connection terminal block PWR
1
for pas-
sive sensors (see Figure 8-1, item 1).
8.1.1 Structure
Figure 8-1 SATEL-LP-AI4 structure
Item Terminal
block
Designation
1 3.1/3.2/3.3 Analog input 2 for 2, 3, 4-wire measuring transducers
2 2.1/2.2/2.3 Analog input 1 for 2, 3, 4-wire measuring transducers
3 DIP switches for configuring the analog inputs (0 ... 20 mA, 4 ... 20 mA)
4 White thumbwheel for setting the I/O MAP address
5 Connection option for DIN rail connector
6DIN rail
7 Metal base latch for DIN rail fixing
8 4.1/4.2/4.3 Analog input 3 for 2, 3, 4-wire measuring transducers
9 5.1/5.2/5.3 Analog input 4 for 2, 3, 4-wire measuring transducers
10 ERR status LED, red (communication error)
11 DAT status LED, green (bus communication)
12 PWR status LED, green (supply voltage)
IO-MAP
PW
R
DAT
E
R
R
1
2
3
4
OF
F
O
N
D
IP
-1
8
8
Pw
r
1
Pw
r
2
+I
1
+I
2
-I
1
-I
2
Pw
r
3
Pw
r
4
+I
3
+I
4
-I
3
-I
4
Pwr
1
Pwr
2
+I
1
+I
2
-I
1
-I
2
1
2
3
4
5
7
9
12
11
10
8
6
SATEL-LP
82
SATEL 106983_en_01
8.1.2 Basic circuit diagram
Figure 8-2 Basic circuit diagram for the SATEL-LP-AI4
8.1.3 Setting the DIP switches
You can configure the input signals using the DIP switches on the front (0 mA ... 20 mA or
4 mA ... 20 mA). Any changes to the DIP switch settings will be applied immediately. In
PLC/Modbus RTU mode, the setting of the input signals is evaluated for error diagnostics.
When set to 4 mA ... 20 mA, for example, it is possible to detect an open circuit.
Figure 8-3 DIP switches of the SATEL-LP-AI4
Table 8-1 DIP switches of the SATEL-LP-AI4
DIP switches
Setting Input signal 1 2 3 4
Analog IN1 0 mA ... 20 mA OFF
Analog IN1 4 mA ... 20 mA ON
Analog IN2 0 mA ... 20 mA OFF
Analog IN2 4 mA ... 20 mA ON
Analog IN3 0 mA ... 20 mA OFF
Analog IN3 4 mA ... 20 mA ON
Analog IN4 0 mA ... 20 mA OFF
Analog IN4 4 mA ... 20 mA ON
3 Wire
PWR IN
Out
GND
2.1
2.2
2.3
2 Wire
PWR IN
Out
2.1
2.2
4 Wire
Out
GND
U
S
2.2
2.3
IO-MAP
µC
DC
DC
IFS
IFS
3.1
3.2
3.3
I
V
LOOP
PWR
2
+I
2
-I
2
4.1
4.2
4.3
V
LOOP
PWR
3
+I
3
-I
3
I
2.1
2.2
2.3
V
LOOP
PWR
1
+I
1
-I
1
I
5.1
5.2
5.3
V
LOOP
PWR
4
+I
4
-I
4
I
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
0
1
+24 V
0V
IO-MAP
PWR
DAT
ERR
2
2
OFF ON
1
2
3
4
DIP-1
P
WR1
+I
1
-I
1
P
WR2
+I
2
-I
2
P
WR3
+I
3
-I
3
P
WR4
+I
4
-I
4
Description of I/O extension modules
106983_en_01 SATEL 83
8.1.4 Diagnostics LEDs
The SATEL-LP-AI4 I/O extension module uses a total of three LEDs to indicate the operat-
ing states.
Figure 8-4 Diagnostics LEDs of the SATEL-LP-AI4
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
ERR LED
The red ERR LED indicates the error status.
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
Off No error
Flashing
Slow (1.4 Hz) I/O MAP address changed
Fast (2.8 Hz) No bus communication
On Critical internal error
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
0
1
+24 V
0V
IO-MAP
PWR
DAT
ERR
2
2
OFF ON
1
2
3
4
DIP-1
P
WR1
+I
1
-I
1
P
WR2
+I
2
-I
2
P
WR3
+I
3
-I
3
P
WR4
+I
4
-I
4
SATEL-LP
84
SATEL 106983_en_01
8.1.5 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
8.1.6 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of six data words. For additional
information, please refer to Section “SATEL-LP-AI4 process data” on page 65.
Table 8-2 Setting the I/O MAP address for the SATEL-LP-AI4
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function code
SATEL-LP-AI4 20
hex
06
hex
30xx0 ... 30xx5 fc 04
Description of I/O extension modules
106983_en_01 SATEL 85
8.2 SATEL-LP-PT100 – extension module with four
temperature inputs
The SATEL-LP-PT100 analog I/O extension module has four Pt 100 inputs for temperatures
from -50°C ... +250°C. Pt 100 inputs T1 ... T4 can be mapped to analog outputs
I1/U1 ... I4/U4 of the SATEL-LP-AO4 extension module. All inputs are electrically isolated
from one another, from the supply voltage, and from the remaining electronics.
Pt 100 resistance thermometers can be connected to the SATEL-LP-PT100 I/O extension
module. The thermometers change their resistance according to the temperature. The
Pt 100 input signals are acquired by the SATEL-LP-PT100 and can be mapped to propor-
tional, analog voltage or current signals of the SATEL-LP-AO4 output module.
Example: at a temperature of -50°C at the Pt 100 input, a current of 0 mA or a voltage of 0 V
is output at the output module. At a temperature of 250°C at the Pt 100 input, a current of
20 mA or a voltage of 10 V is output.
Table 8-3 Pt 100 input
Pt 100 input Analog output
-50°C 0 mA or 0 V
+250°C 20 mA or 10 V
SATEL-LP
86
SATEL 106983_en_01
8.2.1 Connecting sensors
You can connect 2-wire or 3-wire sensors to the extension module. Take the measuring
errors of the different measuring methods into consideration.
2-wire connection technology
2-wire connection technology is the most cost-effective connection technology. The tem-
perature-related voltage is not directly measured at the sensor and is therefore falsified by
the two cable resistances R
L
. The measuring errors that occur may render the entire mea-
surement useless. Please observe the diagrams in Section “Measuring errors when using
2-wire connection technology” on page 87.
For 2-wire connection technology, an insertion bridge is required between terminal blocks
x.2 and x.3.
Figure 8-5 2-wire connection technology
3-wire connection technology
With 3-wire connection technology, the temperature-related voltage is measured several
times. Corresponding calculations additionally reduce the effect of the cable resistance on
the measurement result. The results are almost as good as those achieved with 4-wire con-
nection technology.
The cable resistances R
L
at terminal blocks +I and -I must have the same value. This allows
you to subtract the established cable resistance from the measurement result and to get the
Pt 100 platinum resistance value.
Figure 8-6 3-wire connection technology
µC
2.1
2.2
2.3
3.1
3.2
3.3
5.1
5.2
5.3
4.1
4.2
4.3
IO-MAP
0
1
DC
DC
IFS
IFS
A
D
1mA
A
D
1mA
A
D
1mA
A
D
1mA
-I2
-U2
+I2
+I1
-U1
-I1
+I3
-U3
-I3
+I4
-U4
-I4
RL
RL
I+
I–
RTD
ϑ
µC
2.1
2.2
2.3
3.1
3.2
3.3
5.1
5.2
5.3
4.1
4.2
4.3
IO-MAP
0
1
DC
DC
IFS
IFS
A
D
1mA
A
D
1mA
A
D
1mA
A
D
1mA
-I2
-U2
+I2
+I1
-U1
-I1
+I3
-U3
-I3
+I4
-U4
-I4
RL
I+
RTD
ϑ
RL
I–
U–
Description of I/O extension modules
106983_en_01 SATEL 87
4-wire connection technology
The SATEL-LP-PT100 does not support 4-wire connection technology.
• If you want to use a 4-wire sensor, only connect three of the four cables.
• The fourth cable should be left unwired. Otherwise there will be a different resistance in
the +I and -I cables owing to the parallel connection of two cable resistances.
Figure 8-7 4-wire connection technology
8.2.2 Measuring errors when using 2-wire connection
technology
Figure 8-8 Systematic temperature measuring error ΔT depending on cable length l
Curves depending on cable cross section A
1 Temperature measuring error for A = 0.25 mm
2
2 Temperature measuring error for A = 0.5 mm
2
3 Temperature measuring error for A = 1.0 mm
2
4 Temperature measuring error for A = 1.5 mm
2
(Measuring error valid for: copper cable χ = 57 m/Ωmm
2
, T
A
= 25°C, and Pt 100 sensor)
µC
2.1
2.2
2.3
3.1
3.2
3.3
5.1
5.2
5.3
4.1
4.2
4.3
IO-MAP
0
1
DC
DC
IFS
IFS
A
D
1mA
A
D
1mA
A
D
1mA
A
D
1mA
-I2
-U2
+I2
+I1
-U1
-I1
+I3
-U3
-I3
+I4
-U4
-I4
RL
I+
(U+)
RTD
ϑ
RL
I–
U–
02,5 5 7,5 10 12,5 15 17,5 20
0
2
4
6
8
T [K]
I [m]
SATEL-LP
88
SATEL 106983_en_01
Figure 8-9 Systematic temperature measuring error ΔT depending on cable cross sec-
tion A
Figure 8-10 Systematic temperature measuring error ΔT depending on cable tempera-
ture T
A
(Measuring error valid for: copper cable χ = 57 m/Ωmm
2
, T
A
= 25°C, and Pt 100 sensor)
Make sure that the cable resistance and therefore the measuring error is as low as possible:
• Use sensor cables that are as short as possible.
• Avoid cable cross sections smaller than 0.5 mm
2
.
The temperature has only a small influence on the cable resistance.
You can calculate the cable resistance as follows:
Due to there being two cable resistances in the measuring system, the value must be dou-
bled. Using the average temperature coefficient α = 0.385 Ω/K for Pt 100, the absolute mea-
suring error in Kelvin can be determined for platinum sensors according to DIN.
R
L
= R
L20
x [1 + 0.0039
1
x (T
A
- 20°C)]
K
R
L
=
l
x [1 + 0.0039
1
x (T
A
- 20°C)]
χ x A K
R
L
Cable resistance in Ω
R
L20
Cable resistance at 20°C in Ω
l Cable length in m
χ Specific resistance of copper in m/Ωmm
2
A Cable cross section in mm
2
0.0039 1/K Temperature coefficient for copper (degree of purity of 99.99%)
T
A
Ambient temperature (cable temperature) in °C
00,1 0,20,30,4 0,5 0,60,7 0,80,9 1,0
0
2
4
6
8
10
T [K]
A [mm ]
2
-50 -30 -10 103050 70 90
0
0,5
1
1,5
2
2,5
T [K]
T [°C]
Description of I/O extension modules
106983_en_01 SATEL 89
8.2.3 Structure
Figure 8-11 SATEL-LP-PT100 structure
Item Terminal
block
Designation
1 3.1/3.2/3.3 Pt 100 input 2 for 2 and 3-wire sensors
2 2.1/2.2/2.3 Pt 100 input 1 for 2 and 3-wire sensors
3 White thumbwheel for setting the I/O MAP address
4 Connection option for DIN rail connector
5DIN rail
6 Metal base latch for DIN rail fixing
7 4.1/4.2/4.3 Pt 100 input 3 for 2 and 3-wire sensors
8 5.1/5.2/5.3 Pt 100 input 4 for 2 and 3-wire sensors
9 ERR status LED, red (communication error)
10 DAT status LED, green (bus communication)
11 PWR status LED, green (supply voltage)
IO-MAP
P
W
R
DAT
ERR
8
8
+I
1
+I
2
-U
1
-U
2
-I
1
-I
2
I
3
I
4
-U
3
-U
4
-I
3
-I
4
+I
1
+I
2
-U
1
-U
2
-I
1
-I
2
1
2
3
4
6
8
11
10
9
7
5
SATEL-LP
90
SATEL 106983_en_01
8.2.4 Basic circuit diagram
Figure 8-12 Basic circuit diagram for the SATEL-LP-PT100
For 2-wire connection technology, an insertion bridge is required between terminal blocks
x.2 and x.3. In this case, the measuring accuracy is reduced (see “Measuring errors when
using 2-wire connection technology” on page 87).
2.1
2.3
+I
1
-I
1
3-wire
2.2
-U
1
µC
2.1
2.2
2.3
3.1
3.2
3.3
5.1
5.2
5.3
4.1
4.2
4.3
IO-MAP
0
1
DC
DC
IFS
IFS
A
D
1mA
A
D
1mA
A
D
1mA
A
D
1mA
-I2
-U2
+I2
+I1
-U1
-I1
+I3
-U3
-I3
+I4
-U4
-I4
2.1
2.3
+I
1
-I
1
2.2
+I
1
2-wire
Description of I/O extension modules
106983_en_01 SATEL 91
8.2.5 Diagnostics LEDs
The SATEL-LP-PT100 I/O extension module uses a total of three LEDs to indicate the
operating states.
Figure 8-13 Diagnostics LEDs of the SATEL-LP-PT100
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
ERR LED
The red ERR LED indicates the error status.
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
Off No error
Flashing
Slow (1.4 Hz) I/O MAP address changed
Fast (2.8 Hz) No bus communication
On Critical internal error
PWR
DAT
ERR
0
ANT
IO-MAP
PWR
DAT
ERR
2
2
+I
1
DAT
-U
1
-I
1
-U
2
-I
2
+I
2
-U
1
-I
1
-U
2
-I
2
+I
2
+I
1
SATEL-LP
92
SATEL 106983_en_01
8.2.6 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
8.2.7 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of six data words. For additional
information, please refer to Section “SATEL-LP-PT100 process data” on page 66.
8.3 SATEL-LP-AO4 – analog extension module with
four outputs
The SATEL-LP-AO4 analog I/O extension module can output up to four input signals with
0/4 mA ... 20 mA. All outputs are electrically isolated from one another, from the supply volt-
age, and from the electronics.
Table 8-4 Setting the I/O MAP address for the SATEL-LP-PT100
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function code
SATEL-LP-PT100 21
hex
06
hex
30xx0 ... 30xx5 fc 04
Use either the current or voltage output at every analog channel.
Description of I/O extension modules
106983_en_01 SATEL 93
8.3.1 Structure
Figure 8-14 SATEL-LP-AO4 structure
8.3.2 Basic circuit diagram
Figure 8-15 Basic circuit diagram for the SATEL-LP-AO4
Item Terminal
block
Designation
1 3.1/3.2/3.3 Analog output 2 (either current or voltage)
2 2.1/2.2/2.3 Analog output 1 (either current or voltage)
3 DIP switches for configuring the outputs (current/voltage output)
4 White thumbwheel for setting the I/O MAP address
5 Connection option for DIN rail connector
6DIN rail
7 Metal base latch for DIN rail fixing
8 4.1/4.2/4.3 Analog output 3 (either current or voltage)
9 5.1/5.2/5.3 Analog output 4 (either current or voltage)
10 ERR status LED, red (communication error)
11 DAT status LED, green (bus communication)
12 PWR status LED, green (supply voltage)
U
3
IO-MAP
3
4
PW
R
DAT
ER
R
1
2
3
4
O
FF
O
N
D
IP-1
8
8
U
4
I
3
I
4
U
1
1
2
U
2
I
1
I
2
U
1
1
2
U
2
I
1
I
2
1
2
3
4
5
7
9
12
11
10
8
6
IO-MAP
µC
DC
DC
IFS
IFS
4.1
U
4.2
I
4.3
U
4
I
4
4
5.1
U
5.2
I
5.3
U
3
I
3
3
3.1
U
3.2
I
3.3
U
2
I
2
2
2.1
U
2.2
I
2.3
U
1
I
1
1
3.2
3.3
GND
2.1
2.3
GND
0...10V DC
0/4...20 mA
SATEL-LP
94
SATEL 106983_en_01
8.3.3 Setting the DIP switches
You can use the DIP switches on the front to set the behavior of the outputs in the event of
an error, e.g., interruption of the wireless connection. Any changes to the DIP switch set-
tings will be applied immediately.
– RESET = Output value is set to 0
– HOLD = Hold last valid output value
Figure 8-16 DIP switches of the SATEL-LP-AO4
Table 8-5 DIP switches of the SATEL-LP-AO4
DIP switches
Input Output signal 1 2 3 4
Analog OUT1 RESET OFF
Analog OUT1 HOLD ON
Analog OUT2 RESET OFF
Analog OUT2 HOLD ON
Analog OUT3 RESET OFF
Analog OUT3 HOLD ON
Analog OUT4 RESET OFF
Analog OUT4 HOLD ON
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
RSSI
+
0
ANT
IO-MAP
PWR
DAT
ERR
2
2
U
1
OFF ON
1
2
3
4
DIP-1
U
2
I
2
I
1
1
2
U
3
I
4
I
3
3
4
U
4
Description of I/O extension modules
106983_en_01 SATEL 95
8.3.4 Diagnostics LEDs
The SATEL-LP-AO4 I/O extension module uses a total of three LEDs to indicate the oper-
ating states.
Figure 8-17 Diagnostics LEDs of the SATEL-LP-AO4
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
ERR LED
The red ERR LED indicates the error status, e.g., if a corresponding input module has not
been found.
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
Off No error
Flashing
Slow (1.4 Hz) I/O MAP address changed
Fast (2.8 Hz) Wireless module in I/O data mode
– Missing input module
– No bus communication
Wireless module in PLC/Modbus RTU mode
– No Modbus communication (safe state of the outputs, de-
pending on DIP switch setting)
On Critical internal error
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
RSSI
+
0
ANT
IO-MAP
PWR
DAT
ERR
2
2
U
1
OFF ON
1
2
3
4
DIP-1
U
2
I
2
I
1
1
2
U
3
I
4
I
3
3
4
U
4
SATEL-LP
96
SATEL 106983_en_01
8.3.5 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
8.3.6 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of six data words. For additional
information, please refer to Section “SATEL-LP-AO4 process data” on page 67.
8.4 SATEL-LP-DI4 – digital extension module with four
inputs
The SATEL-LP-DI4 digital I/O extension module can process up to four input signals. The
digital inputs process voltages of 0 V ... 50 V AC/DC at the low voltage input and voltages
of 0 V ... 250 V AC/DC at the high voltage input. All inputs are electrically isolated from one
another, from the supply voltage, and from the electronics.
Table 8-6 Setting the I/O MAP address for the SATEL-LP-AO4
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function code
SATEL-LP-AO4 30
hex
06
hex
40xx0 ... 40xx5 fc 03, 16
WARNING: Risk of electric shock
Use the same phase for digital inputs and outputs. The isolating voltage between the
individual channels must not exceed 300 V.
Description of I/O extension modules
106983_en_01 SATEL 97
8.4.1 Structure
Figure 8-18 SATEL-LP-DI4 structure
8.4.2 Basic circuit diagram
Figure 8-19 Basic circuit diagram for the SATEL-LP-DI4
Item Terminal
block
Designation
1 2.1/2.2/2.3 Digital input as wide-range input
2 1.1/1.2/1.3 Digital input as wide-range input
3 White thumbwheel for setting the I/O MAP address
4 Connection option for DIN rail connector
5DIN rail
6 Metal base latch for DIN rail fixing
7 5.1/5.2/5.3 Digital input as wide-range input
8 6.1/6.2/6.3 Digital input as wide-range input
9 Status LEDs for digital inputs DI1 ... DI4
10 ERR status LED, red (communication error)
11 DAT status LED, green (bus communication)
12 PWR status LED, green (supply voltage)
D
I
4
L
DI
3L
IO-MAP
P
W
R
DAT
ERR
D
I1
DI2
DI3
D
I4
8
8
D
I
4
D
I
3
DI
4H
D
I
3H
D
I
2L
DI
1L
DI
2
DI
1
D
I
2
H
D
I
1
H
DI
2L
D
I
1L
DI
2
D
I
1
DI
2H
D
I
1H
1
2
3
4
6
7
12
11
10
8
5
9
10...50V AC/DC
2.1
2.3
GND
GND
1.2
1.3
50...250V AC/DC
IO-MAP
µC
DC
DC
IFS
IFS
DI
2L
DI
2H
DI
2
DI
1L
DI
1H
DI
1
DI
3L
DI
3H
DI
3
DI
4L
DI
4H
DI
4
2.1
2.2
2.3
1.1
1.2
1.3
6.1
6.2
6.3
5.1
5.2
5.3
SATEL-LP
98
SATEL 106983_en_01
8.4.3 Diagnostics LEDs
The SATEL-LP-DI4 I/O extension module uses a total of seven LEDs to indicate the operat-
ing states.
Figure 8-20 Diagnostics LEDs of the SATEL-LP-DI4
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
ERR LED
The red ERR LED indicates the error status, e.g., if a corresponding output module has not
been found.
DI1 ... DI4
The yellow DI1 ... DI4 LEDs indicate the state of the digital inputs.
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
Off No error
Flashing
Slow (1.4 Hz) I/O MAP address changed
Fast (2.8 Hz) No bus communication
On Critical internal error
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
Reset
+24 V
RSSI
+
0V
ANT
RSSI
-
RAD-ID
PWR
DAT
ERR
8
8
DI1
DI2
DI3
DI4
DI
1H
DI
1
DI
2H
DI
2L
DI
2
DI
3H
DI
3
DI
4H
DI
4L
DI
4
DI
3L
DI
1L
Description of I/O extension modules
106983_en_01 SATEL 99
8.4.4 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
8.4.5 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of two data words. For additional
information, please refer to Section “SATEL-LP-DI4 process data” on page 68.
Table 8-7 Setting the I/O MAP address for the SATEL-LP-DI4
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function code
SATEL-LP-DI4 01
hex
02
hex
30xx0 ... 30xx1 fc 04
SATEL-LP
100
SATEL 106983_en_01
8.5 SATEL-LP-DI8 – digital extension module with
eight inputs
The SATEL-LP-DI8 digital I/O extension module processes up to eight digital input signals
or two pulse signals. You can use DIP switch 1 to set the operating mode. For more detailed
information on setting the DIP switch, please refer to page 101.
The eight digital inputs are arranged in two groups of four inputs each with a common refer-
ence potential (GND). The two DC voltage groups are electrically isolated from one another,
from the supply voltage, and from the electronics.
8.5.1 Structure
Figure 8-21 SATEL-LP-DI8 structure
Item Terminal
block
Designation
1 3.1/3.2/3.3 Digital inputs 3 + 4
2 2.1/2.2/2.3 Digital inputs 1 + 2, DI1: pulse input 1
3 White thumbwheel for setting the I/O MAP address
4 DIP switches for switching between static mode and pulse counter mode for digital
inputs
5 Connection option for DIN rail connector
6DIN rail
7 Metal base latch for DIN rail fixing
8 4.1/4.2/4.3 Digital inputs 5 + 6
9 5.1/5.2/5.3 Digital inputs 7 + 8, DI7: pulse input 2
10 Status LEDs for digital inputs DI1 ... DI8
11 CNT status LED, green (pulse counter mode)
12 ERR status LED, red (communication error)
13 DAT status LED, green (bus communication)
14 PWR status LED, green (supply voltage)
DI
7
D
I
5
IO-MAP
5
-8
D
I
8
DI
6
5
-8
P
W
R
DAT
E
RR
D
I1
C
NT
D
I3
D
I5
DI
7
D
I2
DI4
D
I6
D
I8
D
I
1
DI
2
DI
4
1-4
1-4
D
I
3
8
8
1
2
3
4
O
F
F
O
N
D
IP
-1
DI
1
DI
2
D
I
4
1-4
1
-4
D
I
3
1
2
3
5
7
8
14
11
4
13
12
9
6
10
Description of I/O extension modules
106983_en_01 SATEL 101
8.5.2 Basic circuit diagram
Figure 8-22 Basic circuit diagram for the SATEL-LP-DI8
8.5.3 Setting the DIP switches
You can use the DIP switches on the front to select static mode or pulse counter mode.
– In static mode, inputs DI1 ... DI8 are activated, 0 V ... 30.5 V DC voltage
– In pulse counter mode, pulse inputs DI1 and DI7 are activated, 0 Hz ... 100 Hz pulses
Figure 8-23 DIP switches of the SATEL-LP-DI8
The pulse counter function is only available in PLC/Modbus RTU mode. Set the operating
mode using the SATEL-LP-CONF software (from page 38).
0...100 Hz
2.1
2.2
GND
0...30,5 V DC
2.1
2.2
GND
µC
2.1
2.2
2.3
3.1
3.2
3.3
5.1
5.2
5.3
4.1
4.2
4.3
IO-MAP
0
1
DC
DC
IFS
IFS
CNT CNT
DI
2
DI
4
DI
1
DI
3
DI
8
DI
6
DI
7
DI
5
1-4
1-4
5-8
5-8
Pulse:
Static:
PWR
DAT
ERR
0
ANT
IO-MAP
PWR
DAT
ERR
3
3
DI
1
OFF ON
1
2
3
4
DIP-1
DI1
DI3
DI5
DI7
DI
2
1-4
DI
4
1-4
DI
3
DI
6
5-8
DI
8
5-8
DI
7
DI
5
DI2
DI4
DI6
DI8
CNT
SATEL-LP
102
SATEL 106983_en_01
• Select static mode or pulse counter mode using DIP switch 1.
• Disconnect the device from the supply voltage.
• Switch the supply voltage back on.
• The selected mode is now active.
8.5.4 Functions in pulse counter mode
The counter state can only increase consecutively. When the maximum counter limit of
4,294,967,295 is reached, the counter state is automatically reset to 0. There are also three
ways in which you can reset the counter state manually:
Reset counter state via power up
• Disconnect the device power supply and then reconnect the voltage.
Reset counter state via the Modbus RTU register
• Reset the counter states via Modbus/RTU as follows:
– DI1: bit 0 = 1 (register 40xx1)
– DI7: bit 1 = 1 (register 40xx1)
Reset counter state by setting the inputs
• Set the corresponding input for at least 0.5 seconds:
–Set input DI3 in order to reset counter state DI1.
–Set input DI5 in order to reset counter state DI7.
Table 8-8 DIP switches of the SATEL-LP-DI8
DIP switches
Input Output signal 1 2 3 4
Digital IN
DI1 ... DI8
Static mode OFF n.c. n.c. n.c.
Counter IN
DI1 + DI7
Pulse counter mode ON n.c. n.c. n.c.
n. c. = not connected, DIP switches 2 ... 4 have no function
Description of I/O extension modules
106983_en_01 SATEL 103
8.5.5 Diagnostics LEDs
The SATEL-LP-DI8 I/O extension module uses a total of twelve LEDs to indicate the oper-
ating states.
Figure 8-24 Diagnostics LEDs of the SATEL-LP-DI8
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
ERR LED
The red ERR LED indicates the error status.
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
Off No error
Flashing
Slow (1.4 Hz) I/O MAP address changed or mode switched using DIP switch 1,
but not yet applied
Fast (2.8 Hz) No bus communication
On Critical internal error
PWR
DAT
ERR
0
ANT
IO-MAP
PWR
DAT
ERR
3
3
DI
1
OFF ON
1
2
3
4
DIP-1
DI1
DI3
DI5
DI7
DI
2
1-4
DI
4
1-4
DI
3
DI
6
5-8
DI
8
5-8
DI
7
DI
5
DI2
DI4
DI6
DI8
CNT
SATEL-LP
104
SATEL 106983_en_01
CNT LED
The green CNT LED indicates that pulse counter mode is activated.
DI1 ... DI8
The yellow DI1 ... DI8 LEDs indicate the state of the digital inputs.
In pulse counter mode: the DI1 and DI7 LEDs flash in time with the recorded pulses. The
DI3 and DI5 LEDs light up when the counter state is reset.
8.5.6 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
8.5.7 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of eight data words. For additional
information, please refer to Section “SATEL-LP-DI8 process data” on page 69.
Off No error
Flashing Mode switched using DIP switch 1, but not yet applied
On Pulse counter mode of digital inputs DI1 and DI7
DI3 On (0.5 seconds) Counter state DI1 reset to 0
DI5 On (0.5 seconds) Counter state DI7 reset to 0
Table 8-9 Setting the I/O MAP address for the SATEL-LP-DI8
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function code
SATEL-LP-DI8
02
hex
Static mode
02
hex
Static inputs
30xx0 ... 30xx1 fc 04
40
hex
Pulse counter
mode
06
hex
Pulse inputs
30xx0 ... 30xx5 fc 04
40
hex
Pulse counter
mode
02
hex
Reset counter
states
40xx0 ... 40xx1 fc 03, 16
Description of I/O extension modules
106983_en_01 SATEL 105
8.6 SATEL-LP-DOR4 – digital extension module with
four outputs
The SATEL-LP-DOR4 digital I/O extension module can process up to four input signals that
are switched via relay outputs. The digital outputs are designed as floating relay contacts
(changeover contacts). All outputs are electrically isolated from one another, from the sup-
ply voltage, and from the electronics.
8.6.1 Structure
Figure 8-25 SATEL-LP-DOR4 structure
WARNING: Risk of electric shock
Use the same phase for digital inputs and outputs. The isolating voltage between the in-
dividual channels must not exceed 300 V.
Item Terminal
block
Designation
1 2.1/2.2/2.3 Relay output 2 with floating changeover contact
2 1.1/1.2/1.3 Relay output 1 with floating changeover contact
3 DIP switches for configuring the output behavior of the relay outputs (hold/reset)
4 White thumbwheel for setting the I/O MAP address
5 Connection option for DIN rail connector
6DIN rail
7 Metal base latch for DIN rail fixing
8 5.1/5.2/5.3 Relay output 3 with floating changeover contact
9 6.1/6.2/6.3 Relay output 4 with floating changeover contact
10 Status LEDs for relay outputs DO1 ... DO4
11 ERR status LED, red (communication error)
12 DAT status LED, green (bus communication)
13 PWR status LED, green (supply voltage)
C
OM
4
CO
M
3
IO-MAP
N
C
4
NC
3
P
W
R
DAT
E
RR
D
O
1
DO
2
DO
3
D
O
4
1
2
3
4
O
F
F
ON
D
IP-1
8
8
NO
4
NO
3
CO
M
2
C
OM
1
N
C
2
NC
1
NO
2
N
O
1
COM
2
COM
1
NC
2
NC
1
NO
2
NO
1
1
2
4
5
7
8
13
12
11
9
6
10
3
SATEL-LP
106
SATEL 106983_en_01
8.6.2 Basic circuit diagram
Figure 8-26 Basic circuit diagram for the SATEL-LP-DOR4
8.6.3 Setting the DIP switches
You can use the DIP switches on the front to set the behavior of the outputs in the event of
an error, e.g., interruption of the wireless connection. Any changes to the DIP switch set-
tings will be applied immediately.
– RESET = Output value is set to 0
– HOLD = Hold last output value
Figure 8-27 DIP switches of the SATEL-LP-DOR4
5.1
5.2
5.3
2.1
2.2
2.3
6.1
6.2
6.3
1.1
1.2
1.3
DC
DC
IFS
IFS
µC
IO-MAP
COM
2
NO
2
NC
2
COM
1
NO
1
NC
1
COM
3
NO
3
NC
3
COM
4
NO
4
NC
4
24 V DC/250 V AC
1.1
1.2
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24 V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
8
8
OFF ON
1
2
3
4
DIP-1
COM
1
NO
1
NC
1
NC
2
NO
2
COM
2
COM
3
NO
3
NC
3
NC
4
NO
4
COM
4
DO1
DO2
DO3
DO4
Description of I/O extension modules
106983_en_01 SATEL 107
8.6.4 Diagnostics LEDs
The SATEL-LP-DOR4 I/O extension module uses a total of seven LEDs to indicate the op-
erating states.
Figure 8-28 Diagnostics LEDs of the SATEL-LP-DOR4
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
Table 8-10 DIP switches of the SATEL-LP-DOR4
DIP switches
Setting Output signal 1 2 3 4
Digital OUT1 RESET OFF
Digital OUT1 HOLD ON
Digital OUT2 RESET OFF
Digital OUT2 HOLD ON
Digital OUT3 RESET OFF
Digital OUT3 HOLD ON
Digital OUT4 RESET OFF
Digital OUT4 HOLD ON
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
RAD-2400-IFS
RAD-ID
SPORT
PWR
DAT
ERR
RX TX
0
1
Reset
D(A)
D(B)
RX
CO
1
TX
CO
2
GND
NC
1
+24 V
RSSI
+
0V
ANT
RSSI
-
IO-MAP
PWR
DAT
ERR
8
8
OFF ON
1
2
3
4
DIP-1
COM
1
NO
1
NC
1
NC
2
NO
2
COM
2
COM
3
NO
3
NC
3
NC
4
NO
4
COM
4
DO1
DO2
DO3
DO4
SATEL-LP
108
SATEL 106983_en_01
ERR LED
The red ERR LED indicates the error status, e.g., if a corresponding input module has not
been found.
DO1 ... DO4
The yellow DO1 ... DO4 LEDs indicate the state of the digital outputs.
8.6.5 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of two data words. For additional
information on the process data, please refer to Section “SATEL-LP-DOR4 process data”
on page 71.
Off No error
Flashing
Slow (1.4 Hz) I/O MAP address changed
Fast (2.8 Hz) Wireless module in I/O data mode
– Missing input module
– No bus communication
Wireless module in PLC/Modbus RTU mode
– No Modbus communication (safe state of the outputs,
depending on DIP switch setting)
On Critical internal error
Table 8-11 Setting the I/O MAP address for the SATEL-LP-DOR4
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function code
SATEL-LP-DOR4 10
hex
02
hex
40xx0 ... 40xx1 fc 03, 16
Description of I/O extension modules
106983_en_01 SATEL 109
8.7 SATEL-LP-DO8 – digital extension module with
eight outputs
The SATEL-LP-DO8 digital I/O extension module processes up to eight digital output sig-
nals that are switched via transistor outputs. The eight outputs are arranged in two groups
of four outputs each with a common supply. The two output groups are electrically isolated
from one another, from the supply voltage, and from the electronics.
Since output groups DO1 ... DO4 and DO5 ... DO8 are electrically isolated, the outputs
must be supplied externally (see Figure 8-30).
• Outputs DO1 ... DO4 are supplied via:
– Terminal block 1.1 (12 V DC ... 30.5 V DC)
– Terminal blocks 1.2/1.3 (GND)
• Outputs DO5 ... DO8 are supplied via:
– Terminal block 6.1 (12 V DC ... 30.5 V DC)
– Terminal blocks 6.2/6.3 (GND)
SATEL-LP
110
SATEL 106983_en_01
8.7.1 Structure
Figure 8-29 SATEL-LP-DO8 structure
Item Terminal
block
Designation
1 3.1/3.2/3.3 Transistor outputs 3 + 4
2 2.1/2.2/2.3 Transistor outputs 1 + 2
3 1.1/1.2/1.3 Supply voltage for outputs 1 ... 4
4 DIP switches for setting the output behavior of the transistor outputs (hold/reset)
5 White thumbwheel for setting the I/O MAP address
6 Connection option for DIN rail connector
7DIN rail
8 Metal base latch for DIN rail fixing
9 4.1/4.2/4.3 Transistor outputs 5 + 6
10 5.1/5.2/5.3 Transistor outputs 7 + 8
11 6.1/6.2/6.3 Supply voltage for outputs 5 ... 8
12 Status LEDs of transistor outputs DO1 ... DO8
13 ERR status LED, red (communication error)
14 DAT status LED, green (bus communication)
15 PWR status LED, green (supply voltage)
+
24V
5-8
DO
7
DO
5
IO-MAP
5-8
D
O
8
DO
6
5-8
5-8
5
-8
P
W
R
DAT
ER
R
D
O
1
D
O3
D
O5
D
O
7
D
O2
DO
4
DO
6
D
O
8
DO
1
+24V
1-4
1
-4
1-4
DO
2
DO
4
1
-4
1-4
DO
3
1
2
3
4
O
FF
ON
D
IP
-1
8
8
D
O
1
+24V
1-4
1-4
1-4
D
O
2
DO
4
1-4
1
-4
DO
3
2
3
5
6
8
10
15
14
13
11
7
12
1
9
4
Description of I/O extension modules
106983_en_01 SATEL 111
8.7.2 Basic circuit diagram
Figure 8-30 Basic circuit diagram for the SATEL-LP-DO8
8.7.3 Setting the DIP switches
You can use the DIP switches on the front to set the behavior of the outputs in the event of
an error, e.g., interruption of the wireless connection. Any changes to the DIP switch set-
tings will be applied immediately.
– RESET = Output value is set to 0
– HOLD = Hold last output value
Figure 8-31 DIP switches of the SATEL-LP-DO8
30,5 V DC
2.1
2.2
GND
µC
1.1
1.2
1.3
2.1
2.2
2.3
3.1
3.2
3.3
6.1
6.2
6.3
5.1
5.2
5.3
4.1
4.2
4.3
IO-MAP
0
1
DC
DC
IFS
IFS
DO
2
DO
4
DO
1
DO
3
Do
8
DO
6
Do
7
DO
5
+24V
1-4
+24V
5-8
1-4
1-4
1-4
1-4
5-8
5-8
5-8
5-8
PWR
DAT
ERR
0
ANT
IO-MAP
PWR
DAT
ERR
3
3
DO
1
OFF ON
1
2
3
4
DIP-1
DO1
DO3
DO5
DO7
DO
2
1-4
DO
4
1-4
DO
3
DO
6
5-8
DO
8
5-8
DO
7
DO
5
DO2
DO4
DO6
DO8
DAT
+24V
1-4
1-4 1-4
+24V
5-8
5-8 5-8
SATEL-LP
112
SATEL 106983_en_01
8.7.4 Diagnostics LEDs
The SATEL-LP-DO8 I/O extension module uses a total of eleven LEDs to indicate the oper-
ating states.
Figure 8-32 Diagnostics LEDs of the SATEL-LP-DO8
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
Table 8-12 DIP switches of the SATEL-LP-DO8
DIP switches
Setting Output signal 1 2 3 4
Digital OUT 1 ... 4 RESET OFF n. c. n. c.
Digital OUT 1 ... 4 HOLD ON n. c. n. c.
Digital OUT 5 ... 8 RESET OFF n. c. n. c.
Digital OUT 5 ... 8 HOLD ON n. c. n. c.
n. c. = not connected, DIP switches 3 and 4 have no function
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
PWR
DAT
ERR
0
ANT
IO-MAP
PWR
DAT
ERR
3
3
DO
1
OFF ON
1
2
3
4
DIP-1
DO1
DO3
DO5
DO7
DO
2
1-4
DO
4
1-4
DO
3
DO
6
5-8
DO
8
5-8
DO
7
DO
5
DO2
DO4
DO6
DO8
DAT
+24V
1-4
1-4 1-4
+24V
5-8
5-8 5-8
Description of I/O extension modules
106983_en_01 SATEL 113
ERR LED
The red ERR LED indicates the error status, e.g., if a corresponding input module has not
been found.
DO1 ... DO8
The yellow DO1 ... DO8 LEDs indicate the state of the digital outputs.
8.7.5 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
8.7.6 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of four data words. For additional
information, please refer to Section “SATEL-LP-DO8 process data” on page 72.
Off No error
Flashing Wireless module in I/O data mode
– Missing input module
– No bus communication
Wireless module in PLC/Modbus RTU mode
– No Modbus communication (safe state of the outputs, depending on DIP
switch setting)
– Short circuit at one output or several outputs
On Critical internal error
DO1 ... DO4 Flashing Short circuit at one output or several outputs 1 ... 4
DO5 ... DO8 Flashing Short circuit at one output or several outputs 5 ... 8
Table 8-13 Setting the I/O MAP address for the SATEL-LP-DO8
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function code
SATEL-LP-DO8 11
hex
02
hex
Outputs
40xx0 ... 40xx1 fc 03, 16
02
hex
Short-circuit
detection
30xx0 ... 30xx1 fc 04
SATEL-LP
114
SATEL 106983_en_01
8.8 SATEL-LP-DAIO6 – analog/digital extension
module with six channels
The SATEL-LP-DAIO6 analog/digital I/O extension module has a total of six channels. The
device can process two digital input and output signals as well as one analog input signal
and one analog output signal. All inputs and outputs are electrically isolated from one an-
other, from the supply voltage, and from the electronics.
Two digital inputs
The digital inputs process voltages of 0 V ... 50 V AC/DC at the low voltage input and volt-
ages of 0 V ... 250 V AC/DC at the high voltage input.
Two digital outputs
The digital outputs are designed as floating relay contacts (changeover contacts). The
switching capacity is 2A at 250VAC/24VDC.
Analog input
The analog input can process standard signals of 0/4 mA ... 20 mA. A supply voltage of at
least 12 V DC is available at connection terminal block PWR
1
for passive sensors.
Analog output
The analog output is designed as an active output. You can select a current signal of
0/4 mA ... 20 mA or a voltage signal of 0 V ... 10 V.
WARNING: Risk of electric shock
Use the same phase for digital inputs and outputs. The isolating voltage between the in-
dividual channels must not exceed 300 V.
Use either a current or voltage output at the analog output.
Description of I/O extension modules
106983_en_01 SATEL 115
8.8.1 Structure
Figure 8-33 SATEL-LP-DAIO6 structure
Item Terminal
block
Designation
1 3.1/3.2/3.3 Analog input for 2, 3, 4-wire measuring transducers
2 2.1/2.2/2.3 Digital input as wide-range input
3 1.1/1.2/1.3 Digital input as wide-range input
4 DIP switches for configuring the inputs and outputs
5 White thumbwheel for setting the I/O MAP address
6 Connection option for DIN rail connector
7DIN rail
8 Metal base latch for DIN rail fixing
9 4.1/4.2/4.3 Analog output, either current or voltage
10 5.1/5.2/5.3 Relay output with floating changeover contact
11 6.1/6.2/6.3 Relay output with floating changeover contact
12 Status LEDs of digital outputs DO1 ... DO2
13 Status LEDs of digital inputs DI1 ... DI2
14 ERR status LED, red (communication error)
15 DAT status LED, green (bus communication)
16 PWR status LED, green (supply voltage)
P
w
r
1
+
I
1
D
I
2
L
D
I
1
D
I
2
D
I
1H
D
I
2
H
D
I
1
L
-I
1
PW
R
DAT
ER
R
DI1
DI2
D
O
1
D
O2
8
8
1
2
3
4
OF
F
O
N
DIP
-1
U
1
1
I
1
C
O
M
1
IO-MAP
C
O
M
2
P
w
r
1
+I
1
NC
2
NC
1
N
O
2
N
O
1
D
I
2
L
D
I
1
DI
2
DI
1H
D
I
2
H
D
I
1
L
-I
1
1
2
4
5
6
8
10
16
15
14
9
7
3
11
13
12
SATEL-LP
116
SATEL 106983_en_01
8.8.2 Basic circuit diagram
Figure 8-34 Basic circuit diagram for the SATEL-LP-DAIO6
8.8.3 Setting the DIP switches
The DIP switches on the front can be used to configure the input signals ranges. In addition,
you can set the behavior of the outputs in the event of an error, e.g., interruption of the wire-
less connection. Any changes to the DIP switch settings will be applied immediately.
Analog output
– RESET = Output value is set to 0
– HOLD = Hold last output value
Digital outputs
– RESET = Relay drops out
– HOLD = Hold last valid state
Figure 8-35 DIP switches of the SATEL-LP-DAIO6
3 Wire
PWR IN
Out
GND
3.1
3.2
3.3
2 Wire
PWR IN
Out
3.1
3.2
4 Wire
GND
Out
U
S
3.2
3.3
10...50V AC/DC
2.1
2.3
GND
1.2
1.3
50...250V AC/DC
GND
4.1
4.2
4.3
0/4...20 mA
GND
0...10V DC
5.1
5.2
24 V ACDC/250 V
IO-MAP
µC
DC
DC
IFS
IFS
3.1
3.2
3.3
V
LOOP
I
+I
1
PWR
1
-I
1
2.1
2.2
2.3
DI
2L
DI
2H
DI
2
1.1
1.2
1.3
DI
1L
DI
1H
DI
1
4.1
U
4.2
I
4.3
U
1
1
I
1
5.1
5.2
5.3
COM
1
NO
1
NC
1
6.1
6.2
6.3
COM
2
NO
2
NC
2
PWR
DAT
ERR
0
ANT
IO-MAP
PWR
DAT
ERR
1
2
OFF ON
1
2
3
4
DIP-1
DO1
DO2
DO3
DO4
U
1
I
1
1
COM
1
NO
1
NC
1
COM
2
NO
2
NC
2
U
1
+I
1
DI
1L
DI
1N
DI
1
DI
2L
DI
2N
DI
2
-I
1
Description of I/O extension modules
106983_en_01 SATEL 117
8.8.4 Diagnostics LEDs
The SATEL-LP-DAIO6 I/O extension module uses a total of seven LEDs to indicate the op-
erating states.
Figure 8-36 Diagnostics LEDs of the SATEL-LP-DAIO6
PWR LED
The green PWR LED indicates the status of the supply voltage.
DAT LED
The green DAT LED indicates the status of bus communication.
Table 8-14 DIP switches of the SATEL-LP-DAIO6
DIP switches
Setting Output signal 1 2 3 4
Analog IN 0 ... 20 mA OFF
Analog IN 4 ... 20 mA ON
Analog OUT RESET OFF
Analog OUT HOLD ON
Digital OUT1 RESET OFF
Digital OUT1 HOLD ON
Digital OUT2 RESET OFF
Digital OUT2 HOLD ON
Off No supply voltage
On Supply voltage OK
Off No communication
Flashing Configuration and addressing mode
On Cyclic data communication
PWR
DAT
ERR
0
ANT
IO-MAP
PWR
DAT
ERR
1
2
OFF ON
1
2
3
4
DIP-1
DI1
DI2
DO3
DO4
U
1
I
1
1
COM
1
NO
1
NC
1
COM
2
NO
2
NC
2
U
1
+I
1
DI
1L
DI
1N
DI
1
DI
2L
DI
2N
DI
2
-I
1
SATEL-LP
118
SATEL 106983_en_01
ERR LED
The red ERR LED indicates the error status, e.g., if a corresponding output module has not
been found.
DI1 / DI2
The yellow DI1 and DI2 LEDs indicate the state of the digital inputs.
DO1 / DO2
The yellow DO1 and DO2 LEDs indicate the state of the digital outputs.
8.8.5 Setting the I/O MAP address
Use the thumbwheel to set the I/O MAP address. The extension module in the SATEL-LP
wireless system is addressed using the I/O MAP address. Addresses 01 ... 99 (maximum)
can be assigned for the I/O extension modules in the entire wireless network.
8.8.6 Process data in PLC/Modbus RTU mode
The process image of the I/O extension module consists of six data words. For additional
information, please refer to Section “SATEL-LP-DAIO6 process data” on page 73.
Off No error
Flashing
Slow (1.4 Hz) I/O MAP address changed
Fast (2.8 Hz) Wireless module in I/O data mode
– Missing input module
– No bus communication
Wireless module in PLC/Modbus RTU mode
– No Modbus communication (safe state of the outputs,
depending on DIP switch setting)
On Critical internal error
Table 8-15 Setting the I/O MAP address for the SATEL-LP-DAIO6
Thumbwheel Description
01 ... 99 I/O MAP address
00 Delivery state
**, 1* ... 9* Setting not permitted
*1 ... *9 Setting not permitted
I/O module Module type ID Register Address area Function
code
SATEL-LP-DAIO6 60
hex
03
hex
(inputs) 30xx0 ... 30xx2 fc 04
03
hex
(outputs) 40xx0 ... 40xx2 fc 03, 16
Planning wireless systems
106983_en_01 SATEL 119
9 Planning wireless systems
9.1 Delay time
Among other things, the delay time depends on the following factors:
– Frequency band used (2.4 GHz or 868 MHz, the higher the frequency, the lower the
delay time)
– Capacity of the frequency band (the more wireless networks operating in the same
frequency band, the higher the delay time)
– Network structure (e.g., star or mesh network, the larger the network, the higher the
delay time)
– Distance and set data rate of the wireless interface (the lower the data rate via the wire-
less interface, the higher the delay time)
– Data encryption (if data encryption is activated, the delay time increases)
The table below shows typical delay times that have been determined under laboratory con-
ditions for frequency bands without any interference. The delay times may be higher or
lower in practice. The delay time is roughly doubled with each repeater in the network.
Table 9-1 Typical delay times
Telegram
length
1
Frequency
band
Network application Data rate of the
serial interface
[kbps]
Data rate of the
wireless interface
[kbps]
Typical delay
time
50 bytes
2.4 GHz
I/O data mode -
250 150 ms
125 200 ms
16 500 ms
Serial data mode 19.2
250 30 ms
125 50 ms
16 400 ms
868 MHz
I/O data mode -
120 300 ms
60 500 ms
19.2 1 s
9.6 2 s
1.2 10 s
Serial data mode 19.2
120 200 ms
60 400 ms
19.2 1 s
9.6 2 s
1.2 20 s
1
I/O data mode: the telegram length depends on the number of I/O extension modules.
Serial data mode: the telegram length depends on the protocol used and the terminal devices that are connected to
the serial interface.
SATEL-LP
120
SATEL 106983_en_01
9.2 Pulse transmission
Due to the delay times in the wireless network (see “Delay time” on page 119), in I/O data
mode the digital inputs and outputs are only suitable for transmitting the state. The pulses
should therefore be very slow and transmitted with a fixed duty cycle of 50%.
For fast pulse transmissions, e.g., in the case of flow meters, use the SATEL-LP-DI8
I/O extension module in pulse counter mode (see “Setting the DIP switches” on page 101).
You can record pulses up to 100 Hz in pulse counter mode.
The pulse counter function is only available in PLC/Modbus RTU mode. Set the operating
mode using the SATEL-LP-CONF software (from page 38).
In pulse counter mode, the wireless master maintains a central 32-bit Modbus register with
the counter state of the relevant pulse input. The Modbus register can be read and written
by any PLC controller via Modbus/RTU.
9.3 Trusted Wireless 2.0
Trusted Wireless 2.0 technology has been specifically developed for industrial applications.
Trusted Wireless 2.0 operates in the license-free 2.4 GHz or 868 MHz frequency bands.
Features
– Robust communication thanks to the frequency hopping spread spectrum (FHSS)
method
– Automatic and manual mechanisms for coexistence with other systems transmitting in
the same frequency band
– Secure data encryption and authentication
– Long range thanks to high receiver sensitivity and variable data transmission speed
– Flexible network structure with automatic connection management
– Distributed network management
– Comprehensive diagnostics options
– Adaptations can be made to the relevant application
Planning wireless systems
106983_en_01 SATEL 121
Frequency hopping spread spectrum (FHSS) method
Trusted Wireless 2.0 uses the frequency hopping spread spectrum (FHSS) method. In the
2.4 GHz frequency band, a selection of up to 127 channels from the entire spectrum of the
frequency band is used. In the 868 MHz frequency band, up to 14 channels are available.
The wireless module “hops” between these channels on the basis of a pseudo-random pat-
tern. This results in more robust and more reliable communication.
RF bands
Trusted Wireless 2.0 can be operated on different RF (radio frequency) bands. This enables
the simultaneous use of several Trusted Wireless 2.0 systems.
Coexistence management (only with SATEL-LP24)
Blacklisting means that certain frequencies can be hidden selectively. For example, this
method allows you to operate several WLAN systems in parallel with Trusted Wireless 2.0
systems without any performance limitations.
Data encryption and authentication
Trusted Wireless 2.0 is a proprietary technology. The protocol has not been published.
Therefore it is better protected against attacks. In addition, two security mechanisms have
been implemented with 128-bit AES data encryption and authentication. The data encryp-
tion makes sure that intercepted data packets are not “understood”. The authentication pro-
cess checks the sender's authenticity. For this, a continuous code is added to the message,
which must not be repeated. A message that has been tampered with will be recognized as
not valid and discarded.
Range
Distances up to several kilometers can be covered with Trusted Wireless 2.0. You can set
the data rate of the wireless interface and adapt it to the relevant application. By reducing
the data rate, you can increase the sensitivity of the receiver and therefore the range.
The relationship between range and data rate can be illustrated by the energy per bit trans-
mitted. The higher the energy per bit, the greater the achievable range. The energy per bit
results from the ratio between transmission power and data rate:
energy per bit = transmission power / data rate
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2.4 GHz and 868 MHz wireless systems have different characteristics due to the wave-
length. Lower frequencies can overcome obstacles more easily and support longer ranges.
Figure 9-1 Penetration of obstacles at different frequencies
The 2.4 GHz and 868 MHz frequency bands are subject to various directives. 20 dBm max-
imum may be transmitted in the 2.4 GHz frequency band. In the 868 MHz frequency band,
the transmission power may reach 27 dBm. Due to the higher transmission power in the
868 MHz frequency band, longer ranges can also be achieved.
Duty cycle in the 868 MHz band
The duty cycle or holding period refers to the legally regulated period of use for the medium
(869.4 MHz ... 869.65 MHz frequency band). The aim of this regulation is to ensure the
function of all devices operating in the 868 MHz band. In the 869.4 MHz ... 869.65 MHz fre-
quency band, the maximum transmission time is 10% of one hour (6 minutes). The duty
cycle is not usually reached during operation, since only low volumes of data (I/O signals or
serial data) are transmitted.
868 MHz / 900 MHz
2,4 GHz
Planning wireless systems
106983_en_01 SATEL 123
Network structures
2.4 GHz wireless modules can be used to create network structures with up to 250 devices.
Up to 99 devices are possible with 868 MHz wireless modules. In these network structures,
each device has a repeater function for forwarding data.
In addition, the Trusted Wireless network is able to self-heal connection aborts (self-healing
network). Alternative connection paths are initiated automatically. From a simple point-to-
point connection to complex mesh networks, you can flexibly create various structures.
Figure 9-2 Point-to-point connection, star network, self-healing mesh network
Distributed network management
Technologies such as WirelessHART or ZigBee use centralized network management.
That means that all messages pass through a central manager, which can lead to a signifi-
cant volume of wireless network traffic.
Trusted Wireless 2.0, however, uses distributed network management. This involves creat-
ing “parent-child zones” in the wireless network where the higher-level wireless module is
referred to as the “parent” and the wireless modules connected to it as “children”. All net-
work management takes place within the parent-child zone and does not have to be di-
rected through a central manager. This reduces the message traffic volume and speeds up
data exchange.
Figure 9-3 Distributed network management with parent-child zones
Point to Point Star
self healing Tree, or Mesh
M
S
S
S
S
S
S
M
S
R
R
R
S
S
R
R
M
Parent-Child-Zone 1
S
S
R
Parent-Child-Zone 2.1 Parent-Child-Zone 2.2
S
S
S
R
R
M
Parent-Child-Zone 3.1
M = Master
R = Repeater
S = Slave
SATEL-LP
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9.4 RF bands
SATEL-LP24
Data rates and RF bands do not depend on the network topology.
Figure 9-4 RF bands in the 2.4 GHz wireless system
SATEL-LP8
The number of RF bands depends on the network topology and the over-the-air (OTA) data
rate.
Figure 9-5 RF bands in the 868 MHz wireless system
Point-to-point connection,
star network
I/O, serial, PLC/Modbus RTU mode
Mesh network
250 kbps
125 kbps
16 kbps
8 RF bands
(frequency hopping spread
spectrum method)
1 RF band (fixed frequency)
Point-to-point connection,
star network
I/O, serial, PLC/Modbus RTU mode
Mesh network
1.2 kbps
9.6 kbps
19.2 kbps
60 kbps
120 kbps
14 RF bands (fixed frequency)
2 RF bands
(frequency hopping spread
spectrum method)
Planning wireless systems
106983_en_01 SATEL 125
9.5 Planning wireless paths
Wireless planning enables you to determine whether the wireless system is suitable for the
intended application. The three essential requirements for wireless systems are:
–Range
–Data rate
– Stability
These three factors influence one another.
When planning wireless paths over large distances, you need to consider elevation varia-
tions. A topographic map or a GPS device are very helpful in this regard. Using GPS de-
vices, you can indicate variations in elevation and measure distances by means of way
points. You can use the GPS device as a direction indicator when aligning the antennas later
on.
Theoretical planning
The following questions should be considered during theoretical planning:
– What signals are to be transmitted?
– What points are the signals to be transmitted between?
– What is the distance between these points?
– Are there any topographic or structural obstacles?
– Are you able to circumvent these obstacles, e.g., by means of a repeater or higher
mast?
When evaluating the data, a system calculation can be carried out to determine whether the
wireless path is theoretically possible. A calculation example can be found on page 139 on-
wards.
9.6 Practical test
To check the theoretical results, you should carry out an on-site practical test before pur-
chasing a wireless system. Check the location for master, slave, and repeater/slave mod-
ules based on the following criteria in order to achieve the best possible wireless connec-
tion:
– Position of the antenna with a line of sight and sufficient signal strength
– A primary power source for energy supply is available
– Protection of wireless modules against the effects of weather and extreme ambient
conditions
– Adequate access to the antenna, surge protection, interface, and other required cables
These requirements can be quickly assessed in most applications. Positioning the antenna
is usually the only difficult task. Of course, a connection path without any obstacles would
be perfect. However, small obstacles in the Fresnel zone will not necessarily disturb com-
munication. In general, obstacles in the way on long wireless paths have a greater influence
than those on short ones.
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9.7 Selecting antenna cables and antennas
When installing a wireless system, it is very important that you use low-loss coaxial cables.
Using an unsuitable cable may lead to considerable loss in performance which cannot be
compensated by high antenna gain or by high transmission power. For every 3 dB of coaxial
cable loss, half the transmission power will be lost before reaching the antenna. The re-
ceived signal will also be reduced.
Consider the following factors when selecting the cable:
– Cable length to the antenna
– Acceptable signal loss
– Options for routing the cables
Antennas
• Select the antenna according to the wireless system and the required range.
In addition, the different antenna types are suitable for the following areas of application:
Omnidirectional antenna
– Numerous devices in different directions, e.g., in mesh networks or networks with
repeaters
– Freely mobile applications
– Applications without a line of sight (in reflective environments the signal can be
received via an indirect route)
Directional antenna
– Large distances
– Point-to-point connections
– Stationary or linear mobile applications
– Multiple point-to-point paths, decoupling due to directivity and different polarization
levels
Table 9-2 Application of antennas
Range Antenna - SATEL-LP24 Antenna - SATEL-LP8
Short range and direct line of sight
without any obstacles
Small omnidirectional antenna -
Medium range Large omnidirectional antenna (note the vertical opening angle)
Long range Directional antenna (note the small horizontal opening angle)
Planning wireless systems
106983_en_01 SATEL 127
9.8 Installing antennas
The following recommendations apply to all antenna installations:
– Install the antenna in an open area as far away as possible from any obstacles such as
buildings, dense deciduous forest or metal objects. Choose a location that provides a
clear signal path in the direction of the partner antenna.
– If two antennas are located in the same place, the distance between them should be at
least 0.6 m in the vertical direction and 1 m in the horizontal direction. In the case of
868 MHz wireless systems, the required minimum distance should be even greater as
the transmission power is higher.
– Make sure that you select the correct antenna characteristics at both ends of the wire-
less path. You can also combine omnidirectional antennas and directional antennas.
– Note the polarization of the antenna. Most systems use a vertically polarized omnidirec-
tional antenna at the master station. The partner antennas must therefore be polarized
vertically. Vertical polarization means that the elements are aligned vertically to the ho-
rizon. Crossing polarization between the stations results in signal loss (see also
Table 9-4).
Figure 9-6 Antenna polarization
NOTE: Malfunction
– The wireless module must be at least 3 cm away from the installed antenna (accord-
ing to R&TTE Directive 1999/5/EC).
– Observe the installation instructions from the antenna manufacturer to ensure that the
directional antennas or omnidirectional antennas will function properly.
Table 9-3 Antenna characteristics
Antenna Comparable to ...
Omnidirectional antenna Light bulb
Directional antenna Flashlight
Powerful directional antenna,
e.g., Yagi or parabolic antenna
Laser pointer
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SATEL 106983_en_01
– In a highly reflective environment: use antennas with circular polarization. This will
avoid polarization losses. You can also combine circularly and vertically polarized an-
tennas.
– If you operate several wireless paths directly next to one another in parallel, you can al-
ternately align directional antennas horizontally and vertically. The signals of the vari-
ous wireless paths will therefore be decoupled.
Table 9-4 Polarization of transmitter/receiver antennas
Polarization Horizontal Vertical Circular
clockwise
Circular coun-
terclockwise
Horizontal
Yes No
Yes, but
3dB loss
Yes, but
3dB loss
Vertical
No Yes
Yes, but
3dB loss
Yes, but
3dB loss
Circular
clockwise
Yes, but
3dB loss
Yes, but
3dB loss
Yes No
Circular coun-
terclockwise
Yes, but
3dB loss
Yes, but
3dB loss
No Yes
Planning wireless systems
106983_en_01 SATEL 129
9.8.1 Outdoor installation of antennas
Antenna cables and antennas are directly exposed to atmospheric discharge. The anten-
nas and the entire infrastructure should therefore be protected against discharge. Protec-
tive devices with Lambda/4 technology are usually used for this. These surge protective de-
vices have a coaxial design and are suitable for all common transmission systems. Low
attenuation and high bandwidth are simultaneously achieved by means of low-capacitance
protective circuits. Thanks to excellent impedance matching, the surge protection does not
distort the useful signal.
• Use surge protection for installation outdoors.
• The antenna is grounded via the surge protection.
• The antenna mast must be grounded in accordance with the national regulations.
• In outdoor applications, use vulcanizing sealing tape to protect adapters, cable connec-
tions, etc.
• Run the antenna cable inside the mast or fasten it to the outside of the mast with
UV-resistant cable binders.
9.8.2 Aligning directional antennas
• First, align the antennas roughly. Use the following:
–Topographic map
– GPS device or compass
– LED bar graph on the wireless module
Even if there is no direct line of sight, you can find the alignment point.
• Having carried out a rough alignment, you can now align the antenna precisely using
the RSSI voltage. Measure the RSSI voltage at the RSSI test socket of the wireless
module (2.1/2.2) using a multimeter. For additional information on the RSSI voltage,
please refer to page 47.
• You always have to align both antennas with each other, because the radio waves need
to radiate into the antennas.
• In particular with regard to directional antennas, it is important to ensure that the anten-
na is properly secured. If the antenna sways in the wind, the transmission or reception
beam can move out of its target area (see Figure 9-13).
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SATEL 106983_en_01
9.9 Level and attenuation of wireless modules and
accessories
Keep the connection between the wireless module and the antenna as short as possible.
Every extension or adapter cable (pigtail) will cause higher attenuation.
You can calculate the levels and attenuation of the wireless devices and accessories using
the table below.
9.10 Free space path loss
When using wireless transmission technology, the signal between the transmitter and re-
ceiver is attenuated by the air. The following table lists attenuation values for different dis-
tances with a free Fresnel zone.
Table 9-5 Levels and attenuation of the wireless devices and accessories
Trusted Wireless Wireless
module
Connection Order No. Max. transmis-
sion power
2.4 GHz SATEL-LP24
RSMA (f)
YM0424 20 dBm
868 MHz SATEL-LP8 YM0408 27 dBm
Table 9-6 Free space path loss
Distance Attenuation at 2.4 GHz Attenuation at 868 MHz
5m -54dB ...
10 m -60 dB ...
20 m -66 dB ...
30 m -69.5 dB ...
50 m -74 dB ...
100m -80dB -71.2dB
110m -80.8dB ...
120m -81.6dB ...
150m -83.5dB ...
200m -86dB -77.2dB
250 m -88 dB ...
300 m -89.5 dB -80.7 dB
350m -90.9dB ...
400m -92dB -83.2dB
450m -93.1dB ...
500m -94dB -85.1dB
550m -94.8dB ...
600 m -95.6 dB -86.7 dB
650m -96.3dB ...
700 m -96.9 dB -88.1 dB
Planning wireless systems
106983_en_01 SATEL 131
General formula: free space path loss [dB] = 32.4 + 20 x log(f) + 20 x log(d)
Formula for 2.4 GHz: free space path loss [dB] = 100 + 20 x log(d)
Formula for 868 MHz: free space path loss [dB] = 91.17 + 20 x log(d)
f = Transmission frequency in MHz
d = Distance between the antennas in km
The free space path loss is later included in the system calculation (see Section “Equivalent
isotropically radiated power (EIRP)” on page 138).
750m -97.5dB ...
800 m -98.1 dB -89.2 dB
850m -98.6dB ...
900 m -99.1 dB -90.3 dB
950m -99.6dB ...
1000 m -100 dB -91.2 dB
2000 m - -97.2 dB
3000 m - -100.7 dB
4000 m - -103.2 dB
5000 m - -105.1 dB
6000 m - -106.7 dB
7000 m - -108.1 dB
8000 m - -109.2 dB
9000 m - -110.3 dB
10 km - -111.2 dB
11 km - -112 dB
12 km - -112.8 dB
13 km - -113.4 dB
14 km - -114.1 dB
15 km - -114.7 dB
16 km - -115.3 dB
17 km - -115.8 dB
18 km - -116.3 dB
19 km - -116.7 dB
20 km - -117.2 dB
21 km - -117.6 dB
22 km - -118.1 dB
23 km - -118.5 dB
24 km - -118.8 dB
25 km - -119.2 dB
Table 9-6 Free space path loss
Distance [...] Attenuation at 2.4 GHz [...] Attenuation at 868 MHz [...]
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SATEL 106983_en_01
9.11 Propagation of radio waves
In addition to the free space path loss, there are other factors which influence the wireless
path. Dispersion, diffraction, and reflection represent types of interference that occur when
the wireless signal encounters obstacles. They result in multipath propagation.
Dispersion
The dispersion of the wireless signal, e.g., at a tree, means that the wireless signal is dis-
persed in several directions. A tree without any leaves virtually allows all signals to com-
pletely pass through, whereas a tree with foliage results in a considerable degree of disper-
sion. The leaf surfaces disperse the wireless signal in many different directions.
Figure 9-7 Dispersion on a rough surface
Diffraction
Diffraction of the wireless signal, e.g., on edges and obstacles, involves the signal being re-
fracted around the edge. The signal then changes its direction. This is similar to the refrac-
tion of light in a crystal.
Figure 9-8 Diffraction on an edge
Reflection
Reflection on a smooth metal surface involves virtually the entire wireless signal being re-
flected at the same angle. In certain applications, the reflection may have a positive effect,
e.g., if there is no line of sight. Reflections mainly occur in buildings.
Figure 9-9 Reflection on a metal surface
Planning wireless systems
106983_en_01 SATEL 133
Penetration
The type of wall encountered also influences the attenuation of the wireless signal. The fol-
lowing constructions adversely affect the wireless signal, for example:
– Hollow lightweight walls with aluminum-lined insulation
– False ceilings with metal or carbon fiber panels
–Lead glass
– Insulation glass (Thermopen)
– Glass with a metal coating
– Steel objects
– Fire walls
– Elevator shafts and staircases
Each material has a different degree of attenuation. However, the following typical values
provide a rough guide.
Figure 9-10 Reduction of radio waves when penetrating a wall
Table 9-7 Attenuation of different materials
Obstacle Typical attenuation at
2.4 GHz [dB]
Typical attenuation at
868 MHz [dB]
Wood, plaster, glass, plastic,
uncoated, without metal
3 ... 4 1 ... 2
Brick, chip board 3 ... 5 1 ... 3
Brick wall, 16 cm 6 ...8 2 ... 4
Concrete wall, 16 cm 15 ... 20 9 ... 11
Reinforced concrete wall, 16 cm 20 ... 30 11 ... 20
Forest, 1 m, see also
9.16 “Practical examples”
9 ... 14 4 ... 8
Heat-absorbing glass with metal
coating
40 ... 50 30 ... 40
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SATEL 106983_en_01
Also observe the angle between the transmitter and receiver. Depending on the angle, the
radio waves have to penetrate more or less material.
Figure 9-11 Angle of the transmitter and receiver
Radio dead spot
Radio dead spots are caused by impenetrable obstacles in the wireless path. A radio dead
spot can be compared to the shadow cast by the sun. If the receiver is located in a radio
dead spot, no direct radio waves can reach it, it can only receive reflections or diffracted
waves.
Figure 9-12 Radio dead spot
RAD-ID
Reset
+24V
0V
RSSI-
RSSI+
ANT
SPORT
0 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24V
0V
RSSI-
RSSI+
ANT
SPORT
0 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24V
0V
RSSI-
RSSI+
ANT
SPORT
0 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24V
0V
RSSI-
RSSI+
ANT
SPORT
0 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24V
0V
RSSI-
RSSI+
ANT
SPORT
0 2
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
Planning wireless systems
106983_en_01 SATEL 135
Weather influences
Snow, rain or hail only have a small effect on the wireless signal. With rainfall of 50 liters per
square meter, i.e., a cloudburst, attenuation of around 0.02 dB/km occurs at a frequency of
2.4 GHz, for example.
Strong wind does not influence the wireless signal, however, it does mean that the antenna
must be securely fixed in place. Especially when using directional antennas with a small
opening angle, you should make sure that the antenna cannot be moved by the wind. If the
antenna is moved by just one centimeter from its original position, this may result in partial
loss of the wireless signal, especially in the case of a long transmission path.
Figure 9-13 Wireless path with strong wind
9.12 Fresnel zone
A certain area between the transmitting and receiving antennas on the wireless path is re-
ferred to as the Fresnel zone. There should be a line of sight between the antennas, espe-
cially when covering with large distances. In order to stay within the Fresnel zone, it may be
necessary to install the antennas at a height of a few meters. This area should also be free
from any other obstacles.
The ideal wireless path with a direct line of sight between transmitter and receiver is not al-
ways possible. In applications, obstacles that affect the wireless channel often have to be
taken into account. The wireless path can work even if obstacles such as houses and trees
are within the Fresnel zone. The decisive factor is the number of obstacles and the area they
occupy in the Fresnel zone. In this case, test measurements should be performed.
Inside buildings, e.g., in conventional automation environments, there is a predominance of
reflections. They contribute to a good wireless connection even if the Fresnel zone is not
free from obstacles.
The following figure shows the Fresnel zone between two antennas. The required mounting
height for the antennas depends on the radius of the Fresnel zone.
SATEL-LP
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SATEL 106983_en_01
Figure 9-14 Fresnel zone
General formula for calculating the diameter of the Fresnel zone:
r = Radius of the Fresnel zone
= Wavelength (0.125 m for 2.4 GHz, 0.345 m for 868 MHz)
d = Distance between the antennas in m
Radius of the Fresnel zone for 2.4 GHz and d = 3000 m:
r = 9.68 m
Result: the radius of the Fresnel zone is 9.68 m at a wavelength of 0.125 m (2.4 GHz) and
a distance of 3000 m between the antennas.
Table 9-8 Radius of the Fresnel zone depending on the distance
Wireless path distance
(d)
Radius of the Fresnel
zone (r) for 2.4 GHz
Radius of the Fresnel
zone (r) for 868 MHz
200m 1.5m 4.2m
500m 4m 6.6m
1000 m 5 m 9.3 m
2000 m 8 m 13.1 m
4000 m 11 m 18.6 m
5000 m - 20.8 m
10 km - 24.4 m
15 km - 36 m
20 km - 41.5 m
25 km - 46 m
r
d
Planning wireless systems
106983_en_01 SATEL 137
9.13 Range
Specifying ranges is very difficult due to the influence of various factors. Based on practical
tests, it is possible to provide the following guideline values. They may be significantly
higher or lower depending on the actual application.
The range depends on the following:
– Set data rate
(default setting for SATEL-LP24: 125 kbps, for SATEL-LP8: 9.6 kbps)
– Length of the antenna cable
– Antenna used
– Line of sight
– Adherence to the Fresnel zone
Table 9-9 Ranges for different antennas at 2.4 GHz
Antenna - 2.4 GHz Data rate of the
wireless interface
Range
Inside buildings
2 dBi omnidirectional antenna
≤ 250 kbps 50 ... 100 m
≤ 125 kbps 100 ... 200 m
Outside buildings, with a free line of sight
2 dBi omnidirectional antenna
≤ 250 kbps 50 ... 100 m
≤ 125 kbps 100 ... 200 m
6 dBi omnidirectional antenna ≤ 125 kbps ≤ 1500 m
(Europe: ≤ 1000 m)
8 dBi or 9 dBi panel antenna
≤ 125 kbps ≤ 3000 m
(Europe: ≤ 2000 m)
16 kbps ≤ 5000 m
(Europe: ≤ 3000 m)
19 dBi parabolic antenna 16 kbps > 5000 m
(Europe: > 3000 m)
Table 9-10 Ranges for different antennas at 868 MHz
Antenna - 868 MHz Data rate of the
wireless interface
Maximum range
Outside buildings, with a free line of sight
4 dBi omnidirectional antenna
120 kbps 4 km
60 kbps 5 km
19.2 kbps 8 km
9.6 kbps 9 km
1.2 kbps 11 km
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9.14 Equivalent isotropically radiated power (EIRP)
The equivalent isotropically radiated power (EIRP) is a gauge of the radiation power of an
antenna. The EIRP value is the sum of the transmission power in dBm and the antenna gain
in dBi.
Example for 2.4 GHz:
– Transmission power = 14 dBm
– Antenna gain = 8 dBi
– Cable attenuation (3 m EF 142) = 2.85 dB
– EIRP = 14 dBm + 8 dBi - 2.85 dB = 19.15 dBm
The EIRP depends on the frequency used. The following maximum EIRP must not be
exceeded for legal reasons.
–For 2.4GHz:
– Maximum of 20 dBm outside Europe
– Maximum of 19 dBm in Europe, depending on the set transmission speed
– For 868 MHz:
–Maximum of 27dBm
• If the maximum EIRP is exceeded, adapt the cable, adapter or transmission power if
necessary.
4 dBi panel antenna
120 kbps 5 km
60 kbps 6 km
19.2 kbps 9 km
9.6 kbps 10 km
1.2 kbps 13 km
8 dBi Yagi directional antenna
120 kbps 7 km
60 kbps 8 km
19.2 kbps 12 km
9.6 kbps 15 km
1.2 kbps 18 km
12 dBi Yagi directional antenna
120 kbps 8 km
60 kbps 10 km
19.2 kbps 15 km
9.6 kbps 20 km
1.2 kbps 25 km
Table 9-10 Ranges for different antennas at 868 MHz
Antenna - 868 MHz [...] Data rate of the
wireless interface
Maximum range [...]
Planning wireless systems
106983_en_01 SATEL 139
9.15 System calculation in free space
Figure 9-15 Free space path loss
– Antenna gain per antenna: 8 dBi
– Transmission power per wireless module: 14 dBm
– Cable attenuation per cable (3 m EF 142): 2.85 dB
– Free space path loss 400 m: 92 dB
Example calculation for 2.4 GHz with optimum free space:
– Length of the wireless path: 400 m
– Device transmission power + Antenna gain - Cable attenuation (EIRP): ≤ 20 dBm
EIRP [dBm] =
Transmitter power [dBm]
+ Gain of transmitting antennas [dBi]
- Losses of the transmitter cable [dB]
Incoming power for the receiver [dBm] =
Transmitter power [dBm]
- Losses of the transmitter cable [dB]
+ Gain of the transmitting antenna [dBi]
- Free space path loss [dB]
+ Gain of the receiving antenna [dBi]
- Attenuation of the antenna cable at the receiver [dBm]
System reserve =
Receiver sensitivity [dBm]
- Incoming power for the receiver [dBm]
(recommended system reserve >10 dB)
– EIRP = 19.15 dBm
– Free space path loss, D
L
[dB]:
D
L
= 32.4 + 20log(R[km]) + 20log(f[MHz]) = 32.4 + 20log(0.4 km) + 20 log(2400 MHz)
= -92 dB
– Incoming power for the receiver = -67.7 dBm
– Receiver sensitivity = -96 dB (with a data rate of 125 kbps)
– System reserve = |-96 dB| - |-67.7 dB| = 28.3 dB
28.3 dB > 10 dB
Conclusion: the losses of -67.7 dB are significantly lower than the receiver sensitivity of
-96 dB. The desired wireless connection is therefore possible in mathematical terms.
RAD-ID
Reset
+24V
0V
RSSI-
RSSI+
ANT
SPORT
2 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
RAD-ID
Reset
+24V
0V
RSSI-
RSSI+
ANT
SPORT
2 1
Pwr
Dat
Err
RXTX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
SATEL-LP
140
SATEL 106983_en_01
9.16 Practical examples
It is not possible to provide basic calculation principles for obstacles in the wireless path as
the obstacles and applications will vary too much. The practical examples given below are
for guidance only and cannot be directly transferred to other applications.
The bush illustrated below is two meters wide and has an attenuation of approximately
15 dB for 2.4 GHz.
Figure 9-16 Bush with an attenuation of approximately 15 dB
The forest illustrated below consists of dense undergrowth with a trunk diameter of approx-
imately 5 to 20 centimeters. In our test, the 2.4 GHz wireless signal was transmitted through
a 25 m forest. The attenuation was around 40 dB.
Figure 9-17 Forest with an attenuation of around 40 dB
Detecting and removing errors
106983_en_01 SATEL 141
10 Detecting and removing errors
If your wireless system does not function properly, proceed as follows:
• First, make sure that you have a good wireless signal (2 green bar graph LEDs or RSSI
voltage ≥1.5 V).
• Check the status of the individual stations:
– If the SATEL-LP-CONF software is installed, check the device status of all network
devices via online diagnostics.
– If the SATEL-LP-CONF software has not been installed, check the bar graph LEDs
on the front of each device.
• Find the error using the tables on page 142 onwards.
Strength of the receive signal
You can determine the strength of the receive signal by means of the RSSI voltage. The sig-
nal strength is displayed on the LED bar graph on the wireless module.
– In a point-to-point connection, the LED bar graph is active on the master and on the re-
peater/slave.
– In a wireless network with more than one repeater/slave, only the yellow LED on the
master is permanently on. The signal strength is displayed on the repeaters/slaves. The
indicated signal strength always relates to the next wireless module in the direction of
the master (parent).
The RSSI indicator is a voltage output in the range from 0 V DC ... 3 V DC. The higher the
voltage, the better the wireless connection. The measured voltage is directly related to the
receive signal in -dB. However, please observe the small voltage fluctuation due to
multipath propagation.
The recommended minimum signal strength is 1.5 V DC. This results in a power reserve of
around 10 dB, which ensures communication even in unfavorable transmission conditions.
You can measure the RSSI voltage at the RSSI test socket or read it using the SATEL-LP-
CONF software. When connecting the master wireless module to a PC, you can read the
RSSI voltages in the entire wireless network. At a slave or repeater, it is only possible to read
the RSSI voltage of the connected wireless module.
– Avoid contact between the antennas of two wireless modules, otherwise the receiver
might become overloaded.
– Ground loops are caused by grounding the antenna via the antenna fixing, grounding
the power supply, and grounding the serial interface. To avoid ground loops, connect
these components to a single ground point.
For more information on the RSSI voltage, please refer to Table 5-7 and Table 5-8.
SATEL-LP
142
SATEL 106983_en_01
Table 10-1 Detecting and removing errors: wireless module
LED,
wireless
module
Current state and possible
cause
Solution
-
Wireless module cannot be con-
figured using the SATEL-LP-
CONF software.
• Make sure that the wireless module is supplied with power.
• Make sure that you are using the correct cable:
– SATEL-LP-PROG (Order No. YC0520), energy supply via the
USB port on the PC
• Install the USB driver. The driver is installed automatically during
SATEL-LP-CONF software installation (see page 38).
PWR off
No power supply,
mains probably switched off.
• Switch the mains on, restore the power supply.
DAT off
No communication between
wireless module and I/O exten-
sion module. Wireless module
probably in “Serial data” mode.
• Check whether the I/O extension module is properly snapped onto
the DIN rail connector and whether it is connected to the wireless
module.
• Check the operating mode of the wireless module using the
SATEL-LP-CONF software. The wireless module must either be in
“I/O data” or “PLC/Modbus RTU” mode (see page 38).
• Reset the wireless module to the default settings (I/O data mode), if
necessary. Disconnect the device from the supply voltage, hold
down the SET button, and switch the supply voltage on again (see
page 32).
ERR on
Local bus error
The input or output module is
disconnected from the DIN rail
connector and the bus.
• Check whether the I/O extension module is properly snapped onto
the DIN rail connector.
• Press the SET button on the front of the wireless module or carry out
a power up. The data of the I/O extension modules is read in again.
ERR
flashing
DAT
flashing
Writing to the memory stick did
not work
• Repeat the process in order to correctly write to the memory stick.
Detecting and removing errors
106983_en_01 SATEL 143
ERR flash-
ing fast
(2.8 Hz),
bar graph
does not
light up
No wireless connection, even
though the wireless modules are
not far away from each other
• Make sure that in a network only one wireless module is configured
as the master (RAD ID = 01) and all other wireless modules are
slaves or repeaters. Reconfigure the wireless network, if necessary.
• Check whether the set RAD ID is a permitted address.
• Make sure that each RAD ID (yellow thumbwheel) only occurs once
in the network.
• There may be an overload problem: by default upon delivery, the re-
ceive preamplifier is activated and the transmission power is set so
that the devices can cover the greatest possible distances
(SATEL-LP24: 18 dBm, SATEL-LP8: 27 dBm). Therefore, if the de-
vices are operated directly next to one another the receiver may
become overloaded. In this case, remove the antennas, increase the
distance between the devices and antennas or reduce transmission
power using the SATEL-LP-CONF software (from page 38 on-
wards).
• Using the SATEL-LP-CONF software, check whether the network
parameters have the same settings on all wireless modules (operat-
ing mode, network ID, RF band, data rate of the wireless interface,
encryption, network type, from page 38 onwards).
• Reset the wireless module to the default settings (I/O data mode), if
necessary. Disconnect the device from the supply voltage, hold
down the SET button, and switch the supply voltage on again (see
page 32).
No wireless connection, the
wireless modules are far away
from each other
• Check whether the antennas are connected and aligned properly.
• Make sure that the antenna connections are tight and free from cor-
rosion.
• Install the antenna at a higher point. Adhere to the Fresnel zone.
• Use a different antenna with higher antenna gain or use shorter ca-
bles with lower signal attenuation.
• Check whether there is another transmitting antenna in close prox-
imity. Position the antenna further away from all other antennas (at
least 1 m in the horizontal direction or 0.6 m in the vertical direction).
• Make sure that the power supply is sufficient.
• Make sure that there is no connection between the core and the
shield of the cable in the connected antenna system.
Table 10-1 Detecting and removing errors: wireless module
LED,
wireless
module
Current state and possible
cause
Solution
SATEL-LP
144
SATEL 106983_en_01
LED bar
graph, only
yellow LED
is on
Connection with low receive
signal
• Check whether the antennas are connected and aligned properly.
• Make sure that the antenna connections are tight and free from cor-
rosion.
• Install the antenna at a higher point. Adhere to the Fresnel zone.
• Use a different antenna with higher antenna gain or use shorter ca-
bles with lower signal attenuation.
• Check whether there is another transmitting antenna in close prox-
imity. Position the antenna further away from all other antennas (at
least 1 m in the horizontal direction or 0.6 m in the vertical direction).
• Make sure that the power supply is sufficient.
• Make sure that there is no connection between the core and the
shield of the cable in the connected antenna system.
Several repeaters/slaves at the
wireless master
• No action required, normal display for a wireless network with more
than one repeater/slave. The signal strength is indicated on the re-
peaters/slaves and always relates to the next wireless module in the
direction of the master (parent).
In I/O data mode
ERR flash-
ing slowly
(1.4 Hz)
Double assignment of the
I/O MAP address, two input
modules have the same
I/O MAP address in a network
• The I/O MAP address of an input module may only appear once in
the network. Use the white thumbwheel to set different I/O MAP ad-
dresses.
Missing input module
Example: an output module
does not have the correspond-
ing input module with the same
I/O MAP address.
• Check whether an input module with the same I/O MAP address has
been assigned to each output module.
• Use the white thumbwheel on the I/O extension module to set the
I/O MAP address (01 ... 99). The input module must be provided with
the same I/O MAP address as the assigned output module at anoth-
er station.
Missing output module
Example: an input module does
not have the corresponding out-
put module with the same
I/O MAP address.
• Check whether an output module with the same I/O MAP address
has been assigned to each input module.
• Use the white thumbwheel on the I/O extension module to set the
I/O MAP address (01 ... 99). The output module must be provided
with the same I/O MAP address as the assigned input module at an-
other station.
RAD ID changed
Example: the yellow thumb-
wheel setting has accidentally
been modified and the modifica-
tion has not yet been confirmed
via the SET button.
• Check the RAD ID setting on the yellow thumbwheel of the wireless
module.
• If necessary, set the correct RAD ID and press the SET button.
Table 10-1 Detecting and removing errors: wireless module
LED,
wireless
module
Current state and possible
cause
Solution
Detecting and removing errors
106983_en_01 SATEL 145
In PLC/Modbus RTU mode
ERR flash-
ing slowly
(1.4 Hz)
Double assignment of I/O MAP
address, two input modules
have the same I/O MAP address
in a network
• The I/O MAP address of an input module may only appear once in
the network. Use the white thumbwheel to set different I/O MAP ad-
dresses.
RAD ID changed
Example: the yellow thumb-
wheel setting has accidentally
been modified and the modifica-
tion has not yet been confirmed
via the SET button.
• Check the RAD ID setting on the yellow thumbwheel of the wireless
module.
• If necessary, set the correct RAD ID and press the SET button.
No Modbus communication
(only if watchdog is activated)
Example: the communication
line between the Modbus/RTU
controller and the master wire-
less module has been inter-
rupted.
• Check the communication line between the Modbus/RTU controller
and the master wireless module with RAD ID 01.
• Check the wiring of the RS-232/RS-485 connections on the wireless
modules.
• Check the serial interface settings (baud rate, parity, data bits, and
stop bits) for the wireless modules and serial terminal devices.
• Check whether the I/O extension module is properly snapped onto
the DIN rail connector.
• Check whether the wireless module is in PLC/Modbus RTU mode
using the SATEL-LP-CONF software (see page 38).
• Press the SET button on the wireless module or carry out a power up
in order to read in the station structure.
In “Serial data” or “PLC/Modbus RTU” mode
RX, TX off Wireless connection present,
but application does not trans-
mit any data
• Check the wiring of the RS-232/RS-485 connections on the wireless
modules.
• Check the serial interface settings (baud rate, parity, data bits, and
stop bits) for the wireless modules and serial terminal devices (from
page 38 onwards).
Table 10-1 Detecting and removing errors: wireless module
LED,
wireless
module
Current state and possible
cause
Solution
SATEL-LP
146
SATEL 106983_en_01
Table 10-2 Detecting and removing errors: I/O extension module
LED,
I/O module
Current state and possible
cause
Solution
PWR off
No power supply.
Mains probably switched off.
• Switch the mains on, restore the power supply.
DAT off
No communication between
wireless module and I/O exten-
sion module. The wireless mod-
ule is probably in “Serial data”
mode.
• Check whether the I/O extension module is properly snapped onto
the DIN rail connector and whether it is connected to the wireless
module.
• Check the operating mode of the wireless module using the
SATEL-LP-CONF software. The wireless module must either be in
“I/O data” or “PLC/Modbus RTU” mode (see page 38).
• Reset the wireless module to the default settings (I/O data mode,
see page 32), if necessary.
ERR on
Critical internal error
Example: technical defect
• Please contact Satel technical support.
ERR flash-
ing slowly
(1.4 Hz)
I/O MAP address changed
Example: the white thumbwheel
setting has accidentally been
modified and the modification
has not yet been confirmed via
the SET button.
• Check the I/O MAP address setting on the white thumbwheel of the
I/O extension module.
• If necessary, set the correct I/O MAP address and press the SET
button on the wireless module.
In I/O data mode
ERR flash-
ing fast
(2.8 Hz)
Missing input module
Example: an output module
does not have the correspond-
ing input module with the same
I/O MAP address.
• Check whether an input module with the same I/O MAP address has
been assigned to each output module.
• Use the white thumbwheel on the I/O extension module to set the
I/O MAP address (01 ... 99). The input module must be provided with
the same I/O MAP address as the assigned output module at anoth-
er station.
No bus communication,
no wireless connection present
• See measures for the wireless module, page 143
Detecting and removing errors
106983_en_01 SATEL 147
10.1 Loopback test during serial data transmission
With an RS-232 interface, you can use the loopback test to check the data path from the
master to the slave and back again. To do this, you need to short-circuit two terminal points
of the RS-232 interface on the slave wireless module. You can then transmit characters to
the master wireless module using a terminal program (e.g., HyperTerminal). The characters
are echoed back to the terminal program.
To carry out a loopback test, proceed as follows:
• Close all programs on your PC, including the SATEL-LP-CONF software.
• Connect the PC to the master wireless module and start HyperTerminal via “Start, All
Programs, Accessories, Communication, HyperTerminal”. The COM port settings on
the PC must correspond to the interface settings on the master wireless module.
In PLC/Modbus RTU mode
ERR flash-
ing fast
(2.8 Hz)
No Modbus communication
(safe state of the outputs,
depending on DIP switch
setting)
• Check the communication line between the Modbus/RTU controller
and the master wireless module with RAD ID 01.
• Check the wiring of the RS-232/RS-485 connections on the master
and the PLC.
• Check the serial interface settings (baud rate, parity, data bits, and
stop bits) for the master and the PLC (from page 38 onwards).
• Check whether the I/O extension module is properly snapped onto
the DIN rail connector.
• Check whether the wireless module is in PLC/Modbus RTU mode
using the SATEL-LP-CONF software (see page 38).
• Press the SET button on the wireless module or carry out a power up
in order to read in the station structure.
No bus communication,
no wireless connection present
• See measures for the wireless module, page 143
Table 10-2 Detecting and removing errors: I/O extension module
LED,
I/O module
Current state and possible
cause
Solution
Note for users of Windows 7 or newer Windows operating systems:
As of Windows 7, HyperTerminal is no longer included. Instead you can use any other ter-
minal program.
SATEL-LP
148
SATEL 106983_en_01
• Connect terminal points 5.1 and 5.2 of the RS-232 interface on the slave module that
you need to test.
Figure 10-1 Loopback test on an RS-232 interface
• Connect both wireless modules to the power supply.
• Check the wireless connection via the LED bar graph.
• Enter several characters of your choice. HyperTerminal transmits these characters
over the wireless path. The characters are output on the slave side (e.g., at terminal
point 5.1, RX cable of the RS-232 interface) and immediately read again using the
bridge (e.g., at terminal point 5.2, TX cable of the RS-232 interface). This returns the
transmitted characters and they appear twice on the HyperTerminal screen.
– The screen remains blank if the check was not successful. Monitor the TX and RX
LEDs on every wireless module. You can determine the point up to which data has
been transmitted.
– If the characters only appear once, check the HyperTerminal settings for hidden
outgoing characters. The following options must be enabled under
“File, Properties, Settings, ASCII Setup”:
“Echo typed characters locally” and
“Append line feeds to incoming line ends”
Figure 10-2 Settings in HyperTerminal
106983_en_01 SATEL 149
A Technical appendix
A 1 Typical combinations of antennas and adapter
cables
Omnidirectional antennas
Figure A-1 Omnidirectional antenna
– Install the antenna outside the control cabinet or building.
– Observe the installation instructions for the antenna and the Section “For your safety”
on page 17.
– For information on the transmission power, refer to “Transmission power” on
page 39.
RAD-ID
Reset
+24 V
0V
RSSI-
RSSI+
ANT
SPORT
0 1
Pwr
Dat
Err
RX TX
D(A) D(B)
GND
RX
CO
1
NC
1
CO
2
TX
1
2
Item Product Description Connection Order
No.
1
2,4 GHz: SATEL-LP-ANT24N Omnidirectional antenna, 2.4 GHz, 6 dBi gain,
linear vertical polarization,
h/v 360°/30° opening angle, IP55 protection
N (female)
YA2400
868 MHz: SATEL-LP-ANT8N Omnidirectional antenna, 868 MHz, 4 dBi gain,
linear vertical, h/v 360°/30° opening angle,
IP67, salt water resistant, stainless steel
YA0868
2
SATEL-LP-RF2 Antenna cable, 2 m length, 50 Ω impedance N (male)
RSMA (male)
YC1520
SATEL-LP
150
SATEL 106983_en_01
A 2 Configuring a PROFIBUS connection
In order to configure a point-to-point or star connection for PROFIBUS transmission,
proceed as follows:
• Download the latest SATEL-LP-CONF software from the Internet at
www.satel.com
.
• Install the software on your computer.
• Use the SATEL-LP-PROG USB cable (Order No. YC0520) to connect the wireless
module to the PC.
Configuring the connection
• Start the SATEL-LP-CONF software.
• In the “Wireless” folder, select the device.
Figure A-2 SATEL-LP-CONF software: Device Selection
PROFIBUS connections are only possible with the SATEL-LP24 2.4 GHz wireless
module.
Configuring a PROFIBUS connection
106983_en_01 SATEL 151
• Select “Create new network project”.
Figure A-3 SATEL-LP-CONF software: Network Project
• In step 1 of the wizard, select “Point to Point / Star” and confirm with “Next”.
Figure A-4 SATEL-LP-CONF software: Wizard, Step 1
SATEL-LP
152
SATEL 106983_en_01
• Follow the software wizard. Specify the number of network devices. Confirm with “OK”
and “Next”.
Figure A-5 SATEL-LP-CONF software: Wizard, Step 2
• In step 3, select the “Serial data” network application. Configure the network settings:
–RF band
– Network ID
– Optional: show/hide WLAN channels
• Depending on the distance between the wireless modules, you can set the desired data
rate under “Network speed/distance relation”.
• Then confirm with “Next”.
Figure A-6 SATEL-LP-CONF software: Wizard, Step 3
For additional information on the relationship between speed and distance, please refer
to Table 5-4.
Configuring a PROFIBUS connection
106983_en_01 SATEL 153
• In step 4, select the PROFIBUS connection profile and set the desired data rate. De-
pending on the distance to be covered, reduce the serial data rate (wireless interface
125kbps or 250kbps), if necessary. Confirm with “Next”.
Figure A-7 SATEL-LP-CONF software: Wizard, Step 4
• In step 5, you will see an overview of the settings that have already been made. Check
these settings and confirm with “Next”.
Figure A-8 SATEL-LP-CONF software: Wizard, Step 5
Due to the increased delay time, PROFIBUS transmission with 16 kbps is not possible.
SATEL-LP
154
SATEL 106983_en_01
• Save the project in step 6.
Figure A-9 SATEL-LP-CONF software: Wizard, Step 6
• Open “Individual Settings” and set “Transmissions” to 2. Save the settings again and
click on “Transfer” to transfer them to the devices.
Figure A-10 SATEL-LP-CONF software: Network Settings
Configuring a PROFIBUS connection
106983_en_01 SATEL 155
Connecting the PROFIBUS cable
• Connect the PROFIBUS cable to both wireless modules:
– Negative data conductor (green) to terminal block D(A) 4.1
– Positive data conductor (red) to terminal block D(B) 4.2
• Activate bus termination if the wireless module is located at the start or the end of the
electrical PROFIBUS segment. To do this, set DIP switches 1 and 2 to ON. The DIP
switches are located on the side of the wireless module.
Configuring the PROFIBUS master
• Adjust the timing in the PROFIBUS master to the signal runtime over the wireless path.
This setting is shown here using the SIMATIC Manager, Version 5.x, as an example.
The wireless modules do not modify the PROFIBUS telegram (transparent transmission,
tunneling). They only modify the PROFIBUS cycle time. In the case of an optimum wireless
connection, the wireless modules will cause a delay time of approximately 50 ms, unidirec-
tionally approximately 25 ms.
If the wireless component is connected in series with other components that also cause a
delay time, the delay times must be added together. Remember to take into account long
cables, repeaters, fiber optics, other wireless components, etc.
The additional delay time may be increased in the event of a poor wireless connection or the
connection may be terminated completely. In the event of a poor connection, the wireless
module would not discard PROFIBUS telegrams but repeatedly try to send them.
• For the wireless connection, consider the following PROFIBUS situations:
– In the PROFIBUS master – minimum delay time of 50 ms
Tslot_Init parameter (maximum wait time for receipt)
– In the PROFIBUS master – short interruption of the wireless connection
Retry limit parameter (maximum number of connection retries)
– In the PROFIBUS slave – permanent interruption of the wireless connection
Response monitoring time (watchdog) parameter
– The telegram length depends on the data transmission speed
– 1 analog value = 1 word = 2 bytes
OTA125k@PB93.75k = 110 bytes = 55 analog values
– 1 digital value = 1 bit = 8 values per byte
OTA125k@PB93.75k = 110 bytes = 880 digital values
The wireless modules do not support the process control system SIMATIC
®
PCS 7 and
the controllers PCS 7.
Table A-1 Possible PROFIBUS telegram lengths
PROFIBUS
9.6 kbps 19.2 kbps 93.75 kbps 187.5 kbps
Wireless
250 kbps 255 255 220 110
125 kbps 255 255 110 0
SATEL-LP
156
SATEL 106983_en_01
• You have two options for setting the Tslot_Init parameter (maximum wait time for re-
ceipt):
– Automatically – enter the number of repeaters and the cable length under
“Options, Cables”.
– Manually – enter the bus parameters directly under “User-defined, Bus Parame-
ters”. In this case, deactivate automatic calculation, otherwise the sum of automatic
and manual entry will be used.
We recommend that you use manual entry:
– Entry: Tslot_Init > 13000 t_bit
– Entry: Retry limit > 3
–Recalculate
– Entry: response monitoring time, depending on the application
Under certain circumstances it may be required that the Tslot_Init value is greater than
13000 t_bit. This may be the case, for example, if there is a poor wireless connection or if
the components are connected in series. The value of 50 ms will then increase by factor x.
The Tslot_Init parameter is expressed in t_bit. The maximum value for a Siemens S7 is
16383 t_bit (S5: 9999 t_bit). The maximum wait time for receipt is therefore 93.75 kbps =
174 ms. In this case, the value 13000 t_bit is the minimum delay time of the wireless module
+ reserve.
• Start the SIMATIC Manager and open your user project. Select “Options, Configure
Network” from the pull-down menu.
Figure A-11 SIMATIC Manager
• In the “NetPro” window, right-click on the PROFIBUS line. In the context menu, select
“Object Properties”.
Figure A-12 “NetPro” window
Configuring a PROFIBUS connection
106983_en_01 SATEL 157
• In the “Network Settings” tab, select a transmission speed of 93.75 kbps.
• Click on “Options”.
Figure A-13 “Network Settings” tab, transmission speed
• In the “Cables” tab, deactivate the “Take into account the following cable configuration”
check box. Confirm with “OK”.
Figure A-14 “Cables” tab
• In the “Network Settings” tab, select the “User-Defined” profile and the “Bus Parame-
ters” option.
Figure A-15 “Network Settings” tab, Profile
SATEL-LP
158
SATEL 106983_en_01
• The most recently valid bus parameters are shown in the “Bus Parameters” tab. Enter
the following values:
• Confirm the entry with “Recalculate”.
Figure A-16 “Bus Parameters” tab
• Calculating the bus parameters also modifies the response monitoring (watchdog) val-
ue. Enter 93750 t_bit here to achieve a response monitoring time of 1 second for the
PROFIBUS slave. Confirm with “OK”.
Figure A-17 “Bus Parameters” tab, response monitoring
• Go back to “NetPro” view. Save and compile the changes.
• Transfer all settings to the PROFIBUS master.
• Test the accessibility of the PROFIBUS devices via the wireless path.
The value for the Tslot time and the telegram runtime of PROFIBUS depend on your ap-
plication. Start with 13000 t_bit in order to achieve the smallest possible telegram runtime.
Increase the value if bus errors occur.
Tslot_Init 13000 t_bit ... 16383 t_bit
Max. Tsdr 60
Min. Tsdr 11
Tset 1
Tqui 0
Gap Factor 10
Retry limit 5
Configuring a PROFIBUS connection
106983_en_01 SATEL 159
PROFIBUS controller in DP slave mode
You can change the operating mode of the PROFIBUS controller under “Properties - DP”.
The DP controller can be operated as a master or slave.
To ensure error-free operation, the “Test, commissioning, routing” check box must not be
enabled. If this option is activated, the interface becomes an active PROFIBUS device and
takes part in the token rotation of PROFIBUS.
Figure A-18 “Properties - DP” tab
SATEL-LP
160
SATEL 106983_en_01
106983_en_01 SATEL 161
B Appendixes
B 1 List of figures
Figure 4-1: SATEL-LP24 and SATEL-LP8 structure .............................................23
Figure 4-2: SATEL-LP24 and SATEL-LP8 basic circuit diagram ...........................24
Figure 4-3: SATEL-LP connection station with up to 32 I/O extension modules ....24
Figure 4-4: Assembly and removal .......................................................................25
Figure 4-5: Connecting cables ..............................................................................26
Figure 4-6: Connecting the power supply .............................................................26
Figure 4-7: DIP switches .......................................................................................28
Figure 4-8: RS-485 interface pin assignment ........................................................29
Figure 4-9: RS-232 interface pin assignment (DTE - DCE) ...................................29
Figure 4-10: RS-232 interface pin assignment (DTE - DTE) ...................................29
Figure 4-11: Connecting the antenna ......................................................................30
Figure 5-1: I/O data mode ..................................................................................... 33
Figure 5-2: Serial data mode .................................................................................34
Figure 5-3: PLC/Modbus RTU mode ..................................................................... 34
Figure 5-4: Configuration via SATEL-LP-CONF stick ............................................36
Figure 5-5: SATEL-LP-CONF software: Network Settings .................................... 39
Figure 5-6: SATEL-LP-CONF software: Wizard, Step 3 ........................................ 41
Figure 5-7: SATEL-LP-CONF software: Setting the data transmission speed ...... 41
Figure 5-8: SATEL-LP-CONF software: Individual Settings, Overview ................. 42
Figure 5-9: SATEL-LP-CONF software: Individual Settings, Serial Port ................43
Figure 5-10: SATEL-LP-CONF software: Individual Settings, Allowed Parents ...... 43
Figure 5-11: Diagnostics LEDs on the wireless module ..........................................44
Figure 5-12: Bar graph for point-to-point connection ...............................................48
Figure 5-13: Bar graph for point-to-multipoint connection .......................................48
Figure 5-14: SATEL-LP-CONF software: Diagnostic, Overview .............................49
Figure 5-15: SATEL-LP-CONF software: Diagnostic, I/O Status .............................50
Figure 5-16: SATEL-LP-CONF software: Diagnostic, Serial Port ............................50
Figure 5-17: SATEL-LP-CONF software: Diagnostic, Network settings .................. 51
Figure 5-18: SATEL-LP-CONF software: Record diagnostic data, Network
diagnostics .........................................................................................51
Figure 5-19: Assignment of digital inputs and digital outputs ..................................52
Figure 5-20: SATEL-LP-DAIO6 assignment: analog/digital inputs and outputs .......52
Figure 6-1: Serial data mode .................................................................................55
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SATEL 106983_en_01
Figure 6-2: SATEL-LP-CONF software: Wizard, Step 3 ........................................ 56
Figure 6-3: SATEL-LP-CONF software: Wizard, Step 4 ........................................ 56
Figure 6-4: Frame-based data transmission: T
IdleMin
parameter ...........................57
Figure 6-5: Frame-based data transmission: T
FrameEnd
parameter ....................... 57
Figure 6-6: SATEL-LP-CONF software: Individual Settings .................................. 58
Figure 7-1: PLC/Modbus RTU mode ..................................................................... 59
Figure 7-2: SATEL-LP-CONF software: Wizard, Step 3 ........................................ 59
Figure 7-3: SATEL-LP-CONF software: Individual Settings, Network Settings ..... 61
Figure 8-1: SATEL-LP-AI4 structure .....................................................................81
Figure 8-2: Basic circuit diagram for the SATEL-LP-AI4 .......................................82
Figure 8-3: DIP switches of the SATEL-LP-AI4 .....................................................82
Figure 8-4: Diagnostics LEDs of the SATEL-LP-AI4 .............................................83
Figure 8-5: 2-wire connection technology .............................................................86
Figure 8-6: 3-wire connection technology .............................................................86
Figure 8-7: 4-wire connection technology .............................................................87
Figure 8-8: Systematic temperature measuring error ΔT depending on cable length l
87
Figure 8-9: Systematic temperature measuring error ΔT depending on cable cross
section A ............................................................................................. 88
Figure 8-10: Systematic temperature measuring error ΔT depending on cable
temperature T
A
...................................................................................88
Figure 8-11: SATEL-LP-PT100 structure ................................................................89
Figure 8-12: Basic circuit diagram for the SATEL-LP-PT100 ..................................90
Figure 8-13: Diagnostics LEDs of the SATEL-LP-PT100 ........................................91
Figure 8-14: SATEL-LP-AO4 structure ................................................................... 93
Figure 8-15: Basic circuit diagram for the SATEL-LP-AO4 ......................................93
Figure 8-16: DIP switches of the SATEL-LP-AO4 ................................................... 94
Figure 8-17: Diagnostics LEDs of the SATEL-LP-AO4 ...........................................95
Figure 8-18: SATEL-LP-DI4 structure .....................................................................97
Figure 8-19: Basic circuit diagram for the SATEL-LP-DI4 .......................................97
Figure 8-20: Diagnostics LEDs of the SATEL-LP-DI4 .............................................98
Figure 8-21: SATEL-LP-DI8 structure ...................................................................100
Figure 8-22: Basic circuit diagram for the SATEL-LP-DI8 .....................................101
Figure 8-23: DIP switches of the SATEL-LP-DI8 ................................................... 101
Figure 8-24: Diagnostics LEDs of the SATEL-LP-DI8 ........................................... 103
Figure 8-25: SATEL-LP-DOR4 structure ...............................................................105
Figure 8-26: Basic circuit diagram for the SATEL-LP-DOR4 ................................. 106
Figure 8-27: DIP switches of the SATEL-LP-DOR4 ..............................................106
List of figures
106983_en_01 SATEL 163
Figure 8-28: Diagnostics LEDs of the SATEL-LP-DOR4 .......................................107
Figure 8-29: SATEL-LP-DO8 structure .................................................................110
Figure 8-30: Basic circuit diagram for the SATEL-LP-DO8 ...................................111
Figure 8-31: DIP switches of the SATEL-LP-DO8 .................................................111
Figure 8-32: Diagnostics LEDs of the SATEL-LP-DO8 .........................................112
Figure 8-33: SATEL-LP-DAIO6 structure ..............................................................115
Figure 8-34: Basic circuit diagram for the SATEL-LP-DAIO6 ................................116
Figure 8-35: DIP switches of the SATEL-LP-DAIO6 ..............................................116
Figure 8-36: Diagnostics LEDs of the SATEL-LP-DAIO6 ...................................... 117
Figure 9-1: Penetration of obstacles at different frequencies .............................. 122
Figure 9-2: Point-to-point connection, star network, self-healing mesh network . 123
Figure 9-3: Distributed network management with parent-child zones ................ 123
Figure 9-4: RF bands in the 2.4 GHz wireless system .........................................124
Figure 9-5: RF bands in the 868 MHz wireless system .......................................124
Figure 9-6: Antenna polarization .........................................................................127
Figure 9-7: Dispersion on a rough surface ..........................................................132
Figure 9-8: Diffraction on an edge ....................................................................... 132
Figure 9-9: Reflection on a metal surface ............................................................132
Figure 9-10: Reduction of radio waves when penetrating a wall ...........................133
Figure 9-11: Angle of the transmitter and receiver ................................................134
Figure 9-12: Radio dead spot ...............................................................................134
Figure 9-13: Wireless path with strong wind .........................................................135
Figure 9-14: Fresnel zone ..................................................................................... 136
Figure 9-15: Free space path loss .........................................................................139
Figure 9-16: Bush with an attenuation of approximately 15 dB ............................. 140
Figure 9-17: Forest with an attenuation of around 40 dB .......................................140
Figure 10-1: Loopback test on an RS-232 interface ..............................................148
Figure 10-2: Settings in HyperTerminal .................................................................148
Figure A-1: Omnidirectional antenna ................................................................... 149
Figure A-2: SATEL-LP-CONF software: Device Selection ..................................150
Figure A-3: SATEL-LP-CONF software: Network Project .................................... 151
Figure A-4: SATEL-LP-CONF software: Wizard, Step 1 ......................................151
Figure A-5: SATEL-LP-CONF software: Wizard, Step 2 ......................................152
Figure A-6: SATEL-LP-CONF software: Wizard, Step 3 ......................................152
Figure A-7: SATEL-LP-CONF software: Wizard, Step 4 ......................................153
Figure A-8: SATEL-LP-CONF software: Wizard, Step 5 ......................................153
Figure A-9: SATEL-LP-CONF software: Wizard, Step 6 ......................................154
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Figure A-10: SATEL-LP-CONF software: Network Settings .................................. 154
Figure A-11: SIMATIC Manager ............................................................................156
Figure A-12: “NetPro” window ...............................................................................156
Figure A-13: “Network Settings” tab, transmission speed .....................................157
Figure A-14: “Cables” tab ......................................................................................157
Figure A-15: “Network Settings” tab, Profile .......................................................... 157
Figure A-16: “Bus Parameters” tab ........................................................................158
Figure A-17: “Bus Parameters” tab, response monitoring ......................................158
Figure A-18: “Properties - DP” tab .........................................................................159
106983_en_01 SATEL 165
B 2 List of tables
Table 3-1: Overview of I/O extension modules .....................................................22
Table 4-1: DIP switches 1 and 2: termination network ..........................................28
Table 5-1: Default settings of the wireless module................................................31
Table 5-2: Operating mode................................................................................... 33
Table 5-3: Yellow thumbwheel setting ..................................................................35
Table 5-4: Data transmission speed of the SATEL-LP24 wireless interface ......... 40
Table 5-5: Data transmission speed of the SATEL-LP8 wireless interface ...........40
Table 5-6: LED bar graph ..................................................................................... 45
Table 5-7: SATEL-LP24 RSSI voltage.................................................................. 46
Table 5-8: SATEL-LP8 RSSI voltage....................................................................46
Table 5-9: Assignment of input modules and output modules .............................. 53
Table 5-10: White thumbwheel setting....................................................................53
Table 7-1: Configuration via SATEL-LP-CONF software ......................................60
Table 7-2: Supported Modbus function codes......................................................62
Table 7-3: Module type and currentness of data...................................................63
Table 7-4: Module type IDs...................................................................................63
Table 7-5: Setting the white thumbwheel for register 30010 (read)....................... 64
Table 7-6: SATEL-LP24 RSSI voltage.................................................................. 64
Table 7-7: SATEL-LP8 RSSI voltage....................................................................64
Table 7-8: SATEL-LP-AI4 module type and currentness of data ..........................65
Table 7-9: SATEL-LP-PT100 module type and currentness of data ..................... 66
Table 7-10: SATEL-LP-AO4 module type and currentness of data.........................67
Table 7-11: SATEL-LP-DI4 module type and currentness of data ..........................68
Table 7-12: SATEL-LP-DI8 module type and currentness of data ..........................69
Table 7-13: SATEL-LP-DOR4 module type and currentness of data......................71
Table 7-14: SATEL-LP-DO8 module type and currentness of data ........................72
Table 7-15: SATEL-LP-DAIO6 module type and currentness of data.....................73
Table 7-16: RSSI signal and error code registers ...................................................78
Table 7-17: Representation of SATEL-LP-AI4 analog values .................................79
Table 7-18: Representation of SATEL-LP-AO4 analog values ...............................79
Table 7-19: Representation of SATEL-LP-DAIO6 analog values............................79
Table 7-20: Representation of SATEL-LP-PT100 Pt 100 values............................. 80
Table 8-1: DIP switches of the SATEL-LP-AI4...................................................... 82
Table 8-2: Setting the I/O MAP address for the SATEL-LP-AI4 ............................84
Table 8-3: Pt 100 input..........................................................................................85
Table 8-4: Setting the I/O MAP address for the SATEL-LP-PT100 .......................92
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Table 8-5: DIP switches of the SATEL-LP-AO4....................................................94
Table 8-6: Setting the I/O MAP address for the SATEL-LP-AO4 .......................... 96
Table 8-7: Setting the I/O MAP address for the SATEL-LP-DI4 ............................99
Table 8-8: DIP switches of the SATEL-LP-DI8....................................................102
Table 8-9: Setting the I/O MAP address for the SATEL-LP-DI8 ..........................104
Table 8-10: DIP switches of the SATEL-LP-DOR4 ...............................................107
Table 8-11: Setting the I/O MAP address for the SATEL-LP-DOR4......................108
Table 8-12: DIP switches of the SATEL-LP-DO8..................................................112
Table 8-13: Setting the I/O MAP address for the SATEL-LP-DO8 ........................ 113
Table 8-14: DIP switches of the SATEL-LP-DAIO6............................................... 117
Table 8-15: Setting the I/O MAP address for the SATEL-LP-DAIO6.....................118
Table 9-1: Typical delay times ............................................................................ 119
Table 9-2: Application of antennas .....................................................................126
Table 9-3: Antenna characteristics .....................................................................127
Table 9-4: Polarization of transmitter/receiver antennas.....................................128
Table 9-5: Levels and attenuation of the wireless devices and accessories ....... 130
Table 9-6: Free space path loss ......................................................................... 130
Table 9-7: Attenuation of different materials ....................................................... 133
Table 9-8: Radius of the Fresnel zone depending on the distance .....................136
Table 9-9: Ranges for different antennas at 2.4 GHz..........................................137
Table 9-10: Ranges for different antennas at 868 MHz.........................................137
Table 10-1: Detecting and removing errors: wireless module...............................142
Table 10-2: Detecting and removing errors: I/O extension module.......................146
Table A-1: Possible PROFIBUS telegram lengths...............................................155
106983_en_01 SATEL 167
B 3 Index
A
Accessories .............................................................. 149
Ordering data .......................................................... 9
Addressing
Extension module.................................................. 53
I/O data mode........................................................ 54
Modbus register .................................................... 62
PLC/Modbus RTU mode ....................................... 54
Wireless module.................................................... 35
Analog extension module................................ 81, 85, 92
Analog/digital extension module ............................... 114
Antenna ...................................................................... 10
Accessories......................................................... 149
Alignment ............................................................ 129
Connection............................................................ 30
Installation ........................................................... 127
Selection ..................................................... 126, 149
Antenna cable............................................. 10, 126, 149
Antenna socket ........................................................... 30
Approvals.................................................................... 13
Assignment
See Pin assignment
Attenuation........................................................ 130, 139
B
Bar graph ............................................................ 45, 141
Point-to-multipoint connection............................... 48
Point-to-point connection ...................................... 48
Basic circuit diagram
See Circuit diagram
Blacklisting................................................................ 121
Bus connector
See DIN rail connector
C
Checking the location................................................ 125
Circuit diagram
SATEL-LP-AI4....................................................... 82
SATEL-LP-AO4..................................................... 93
SATEL-LP-DAIO6 ............................................... 116
SATEL-LP-DI4 ...................................................... 97
SATEL-LP-DI8 .................................................... 101
SATEL-LP-DO8................................................... 111
SATEL-LP-DOR4................................................ 106
SATEL-LP-PT100 ........................................... 86, 90
Wireless module.................................................... 24
Circular polarized antenna ........................................ 128
Class A ....................................................................... 17
Coexistence management ........................................ 121
Configuration memory
See SATEL-LP-CONF stick
Configuration software
See SATEL-LP-CONF software
Connection
Antenna................................................................. 30
Cables................................................................... 26
Power supply......................................................... 26
Connection station ...................................................... 24
D
Data Communication Equipment (DCE)...................... 29
Data transmission speed ............................................ 40
DCE (Data Communication Equipment)...................... 29
Default setting............................................................. 31
Delay time................................................................. 119
Delivery state .............................................................. 31
Diagnostics
On the wireless module......................................... 44
Via SATEL-LP-CONF software ............................. 49
Diagnostics LED
SATEL-LP-AI4....................................................... 83
SATEL-LP-AO4..................................................... 95
SATEL-LP-DAIO6 ............................................... 117
SATEL-LP-DI4 ...................................................... 98
SATEL-LP-DI8 .................................................... 103
SATEL-LP-DO8................................................... 112
SATEL-LP-DOR4................................................ 107
SATEL-LP-PT100 ................................................. 91
Wireless module.................................................... 44
Diffraction.................................................................. 132
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SATEL 106983_en_01
Digital extension module..................... 96, 100, 105, 109
DIN rail connector ....................................................... 24
DIP switches
SATEL-LP-AI4....................................................... 82
SATEL-LP-AO4..................................................... 94
SATEL-LP-DAIO6 ............................................... 116
SATEL-LP-DI8..................................................... 101
SATEL-LP-DO8................................................... 111
SATEL-LP-DOR4 ................................................ 106
Wireless module.................................................... 28
Directional antenna................................................... 126
Dispersion................................................................. 132
Distributed network management ............................. 123
Duty cycle ................................................................. 122
E
ECOFLEX ................................................................... 10
EIRP (equivalent isotropically radiated power)
See Equivalent isotropically radiated power
Equivalent isotropically radiated power............... 39, 138
Error code ................................................................... 75
Extended temperature range
See Temperature range
Extension module
Combinations ........................................................ 52
Product description ............................................... 81
F
Fault message contact................................................ 47
FHSS (frequency hopping spread spectrum)
See Frequency hopping spread spectrum method
Firmware update......................................................... 32
Flow meter ................................................................ 120
Formats
Analog input and output values ............................. 79
Pt 100 values......................................................... 80
Frame-based data transmission.................................. 56
Free space path loss......................................... 130, 139
Frequency hopping spread spectrum method........... 121
Fresnel zone ............................................................. 135
Function code ............................................................. 62
G
GPS device............................................................... 125
H
Holding period
See Duty cycle
I
I/O extension module
See Extension module
I/O MAP address......................................................... 53
SATEL-LP-DAIO6 ................................................. 52
Input and output module ........................................... 114
Input module ........................................... 81, 85, 96, 100
Intended use............................................................... 17
L
LED
See Diagnostics LED
LED bar graph
See Bar graph
Level ......................................................................... 139
Loopback test ........................................................... 147
M
Master address........................................................... 35
Measuring error (Pt 100) ............................................. 87
Memory stick............................................................... 37
Modbus....................................................................... 59
Modbus function code
See Function code
Modbus memory map ................................................. 64
Complete overview................................................ 75
Modbus register.......................................................... 62
Modbus telegram watchdog
See Watchdog
Mounting..................................................................... 24
Multipath propagation ......................................... 47, 132
Multipathing
See Multipath propagation
N
Network key................................................................ 35
Network management
See Distributed network management
Index
106983_en_01 SATEL 169
O
Omnidirectional antenna ........................................... 126
Output module ............................................ 92, 105, 109
P
Penetration................................................................ 133
Pin assignment
RS-232.................................................................. 29
RS-485.................................................................. 29
PLC/Modbus RTU mode............................................. 59
Polarization ....................................................... 127, 128
Potentially explosive area............................................ 19
Power supply .............................................................. 10
Practical test ............................................................. 125
Process data table
SATEL-LP-AI4....................................................... 65
SATEL-LP-AO4..................................................... 67
SATEL-LP-DAIO6 ................................................. 73
SATEL-LP-DI4....................................................... 68
SATEL-LP-DI8....................................................... 69
SATEL-LP-DO8..................................................... 72
SATEL-LP-DOR4 .................................................. 71
SATEL-LP-PT100.................................................. 66
PROFIBUS................................................................ 150
PROFIBUS cable ...................................................... 155
PROFIBUS master.................................................... 155
Pt 100 input................................................................. 85
Pt 100 values .............................................................. 80
Pulse counter mode .................................................. 101
Pulse transmission.................................................... 120
R
RAD ID........................................................................ 35
Radiated power
See Equivalent isotropically radiated power
Radio dead spot........................................................ 134
Radio waves ............................................................. 132
Range ....................................................................... 137
Receiver sensitivity ..................................................... 40
Recording parameters ................................................ 51
Reflection.................................................................. 132
Register ...................................................................... 62
Relay output.............................................................. 106
Relay, wireless module
See RF link relay
Removal...................................................................... 24
Removing errors ....................................................... 141
Repeater chain............................................................ 43
Repeater/slave address.............................................. 35
Reset
Counter state (pulse counter mode).................... 102
To default settings................................................. 32
Residential area.......................................................... 17
RF band
SATEL-LP24 ....................................................... 124
SATEL-LP8 ......................................................... 124
RF link relay ................................................................ 47
RS-232 interface......................................................... 27
RS-485 interface......................................................... 27
RSMA antenna socket ................................................ 30
RSSI signal register .................................................... 80
RSSI test socket ......................................................... 47
RSSI voltage....................................................... 46, 141
S
Safety notes................................................................ 17
SATEL-LP-AI4 ............................................................ 81
SATEL-LP-AO4 .......................................................... 92
SATEL-LP-CONF software ......................................... 38
Configuration......................................................... 38
Configuration in PLC/Modbus RTU mode ............. 59
Diagnostics ........................................................... 49
SATEL-LP-CONF stick ............................................... 35
SATEL-LP-DAIO6..................................................... 114
SATEL-LP-DI4 ............................................................ 96
SATEL-LP-DI8 .......................................................... 100
SATEL-LP-DO8 ........................................................ 109
SATEL-LP-DOR4...................................................... 105
SATEL-LP-PT100 ....................................................... 85
Saving the configuration ............................................. 37
Serial data mode......................................................... 55
Serial interface............................................................ 27
SET button.................................................................. 47
Shield connection ....................................................... 27
Signal strength
See RSSI voltage
SIMATIC Manager .................................................... 156
Slave address ............................................................. 35
Startup time................................................................. 54
Supply voltage ............................................................ 26
System calculation.................................................... 139
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170
SATEL 106983_en_01
T
Technical data............................................................... 9
Temperature input....................................................... 85
Temperature measuring error
See Measuring error
Temperature range ..................................................... 14
Temperature sensor
2-wire sensor......................................................... 86
3-wire sensor......................................................... 88
4-wire sensor......................................................... 87
Termination network ................................................... 28
Termination resistor .................................................... 28
Thumbwheel, white ..................................................... 53
Thumbwheel, yellow ................................................... 35
Troubleshooting
See Removing errors
U
UL notes...................................................................... 19
Update
See Firmware update
USB cable................................................................... 38
W
Watchdog.................................................................... 61
Weather influences ................................................... 135
Wind.......................................................................... 135
Wireless module
Configuration......................................................... 33
Installation ............................................................. 24
Product description ............................................... 23