Phoenix Contact RAD-900-IFS User manual
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Configuring RAD-900-IFS with GW MODBUS
TCP/RTU for Modbus TCP Communication
Published: 2018-10-22
Contents
Introduction.................................................................................. 1
Objectives:............................................................................. 1
Requirements:....................................................................... 2
Procedure.................................................................................... 3
Configuring the RAD-900-IFS wireless modules for serial
communication...................................................................... 3
Configuring the two GW MODBUS TCP/RTU 1E/DB9
module for Modbus RTU to TCP communication ................. 8
Configuring the IL ETH BK DI8 DO4 2TX-PAC .................. 11
Making the physical connections ........................................ 14
Verifying communication with Modscan32.......................... 16
Disclaimers and notes ............................................................... 19
Introduction
Objectives:
This document covers configuring the RAD-900-IFS wireless module and the GW MODBUS TCP/RTU 1E/DB9
for MODBUS TCP to MODBUS TCP communication between a master station and two remote slave locations.
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Requirements:
The following hardware and software was used in the development of this procedure
•Wireless Module – 2901540 - RAD-900-IFS (Quantity 3)
•Antenna - 2885676 -RAD-ISM-900-ANT-OMNI-RPSMA (Quantity 3)
•Communication Gateway – 2702764 - GW MODBUS TCP/RTU 1E/1DB9 (Quantity 3)
•Modbus TCP Bus Coupler – 2703981 - IL ETH BK DI8 DO4 2TX-PAC (Quantity 2)
•Software
oPSI CONF 2.60 or higher – available at www.phoenixcontact.com/catalog/2901540
oIPAssign_v1.1.3 – available at www.phoenixcontact.com/catalog/2703981
oWintech Modscan 32 – available at https://www.win-tech.com/html/demos.htm
Note: This is a trial version
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Procedure
Configuring the RAD-900-IFS wireless modules for serial communication
1. Set the yellow thumbwheels of the three RAD-900-IFS modules to 01, 02 and 03 and reference the data
sheet (www.phoenixcontact.com/catalog/2901540) for power connections. Apply power to all three wireless
modules.
2. Open PSI-CONF 2.60 and select the 900 MHz selection under the Wireless tab. Click ‘Next’
3. Click on ‘New’
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4. Select ‘Point To Point / Star’ and click ‘Next’
5. Set the number of slaves to ‘2’ and click “OK’.
6. On Wizard, Step 2, confirm information is correct and click ‘Next’.
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7. On ‘Wizard, Step 3’, select ‘Serial data’ Mode in the ‘Application of wireless network section’. For a simple
bench test the rest of the settings can be left unchanged, but depending on the environment that the system
will be installed in the “Network Settings’ and ‘Network speed/distance relation’ settings may need to be
adjusted. Click ‘Next’
8. On ‘Wizard, Step 4’, leave the settings at default and click ‘Next’.
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9. On ‘Wizard, Step 5’, review the data and click ‘Next’
10. On ‘Wizard, Step 6’, make sure your programming cable is connected from your computer to a wireless
module. Click ‘Transfer’ to send the configuration to the wireless modules. You will be prompted to save your
configuration. Choose a file location to save your program.
11. When prompted, click ‘OK’ to go online to the wireless module
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12. Click on ‘Start Transfer’ under ‘Local Transfer’ to send the configuration to each device. Once you transfer
the configuration to one wireless module, move your programming cable to the next wireless module. The
Transfer Window will show you which module you are connected to and which modules have had the
configuration transferred. Repeat this process for all three modules until they all show ‘transferred’.
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13. Once you have sent the configuration to each wireless module, the wireless network configuration is
complete. The 4 vertical RF Link LEDs on the wireless modules should illuminate. On the master wireless
module (Yellow Thumbwheel on 01) should have one amber LED illuminated (assuming there is more than
one slave wireless module in the network) and depending on the antennae on the slave wireless modules,
there should be an amber and module green LEDs illuminated.
The wireless network configuration is complete and is set up for transparent serial communication.
Configuring the two GW MODBUS TCP/RTU 1E/DB9 module for Modbus RTU to TCP
communication
1. The GW MODBUS TCP/RTU 1E/DB9 comes with a default IP address of 192.168.254.254. Set your
computer’s IP address in the same network as the GW MODBUS TCP/RTU 1E/DB9 (192.168.254.XXX).
Reference the data sheet for power connections and apply power to all three gateways.
2. For the GW MODBUS TCP/RTU 1E/DB9 that will be connected to the master RAD-900-IFS wireless module
(yellow thumbwheel 01), there is no configuration needed. The default settings of the GW MODBUS
TCP/RTU 1E/DB9 are compatible with the settings made on the master RAD-900-IFS.
3. Connect a standard straight through RJ45 Ethernet cable from your computer to the LAN port of the GW
MODBUS TCP/RTU 1E/DB9 that will be connected to the RAD-900-IFS module with yellow thumbwheel
address 02. Open an Internet browser and navigate to the webpage by typing in 192.168.254.254 in the
address bar. Login with User Name ‘Admin’ and password ‘admin’.
4. Next, navigate to the ‘LAN Setting’ tab and change the IP Address to 192.168.254.2. Click ‘Apply Changes’.
You will need to re-login at the new IP address once the change is made.
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5. Next, navigate to the ‘Serial’ Settings’ tab and then to the ‘Port 1 Configuration’ tab. Change the ‘Serial
Device(s)’ drop down to ‘Modbus RTU Master’. This is configuring the GW MODBUS TCP/RTU 1E/DB9 to
interpret the serial data on the serial port as coming from a Modbus RTU Master device. Click ‘Apply
Changes’.
6. Next, navigate to the ‘Modbus Settings’ tab and then to the ‘Remote Modbus Addressing’ tab. Since the
communication coming from the RAD-900-IFS wireless module is Modbus RTU and has no IP detail, we need
to map the Modbus RTU serial data to the correct IP address. In this setup, we will be linking a Modbus RTU
packet destined for Modbus ID 12 to Modbus TCP device 192.168.254.12 so any packet with Modbus ID 12
coming from the serial port of the RAD-900-IFS module will be sent to IP address 192.168.254.12.
Click the ‘Add’ button and set the
Device ID to 12
Remote IP Address to 192.168.254.12
Click Apply Changes
The configuration for the first GW MODBUS TCP/RTU 1E/DB9 is now complete.
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7. Connect a standard straight through RJ45 Ethernet cable from your computer to the LAN port of the GW
MODBUS TCP/RTU 1E/DB9 that will be connected to the RAD-900-IFS module with yellow thumbwheel
address 03. Open an Internet browser and navigate to the webpage by typing in 192.168.254.254 in the
address bar. Login with User Name ‘Admin’ and password ‘admin’.
8. Navigate to the ‘LAN Setting’ tab and change the IP Address to 192.168.254.3. Click ‘Apply Changes’. You
will need to re-login at the new IP address once the change is made.
9. Navigate to the ‘Serial’ Settings’ tab and then to the ‘Port 1 Configuration’ tab. Change the ‘Serial Device(s)’
drop down to ‘Modbus RTU Master’. This is configuring the GW MODBUS TCP/RTU 1E/DB9 to interpret the
serial data on the serial port as coming from a Modbus RTU Master device. Click ‘Apply Changes’.
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