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PLC Communication Settings
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M2M Gateway PLC Communication Settings
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8.
Modbus/TCP(Ethernet) Connection
The following is a setting example for communication with Modbus/TCP support device.
This example describes how to install the Modbus simulator software on the viewing terminal for
checking the connection.
See below for the configuration example regarding communication conditions.
1.
Terminal Setting
In this setting example, the Modbus simulator "mod_Rssim.exe" by SourceForge is installed on the viewing
terminal for the operation check. This section describes how to install and run the Modbus simulator.
Modbus Simulator Installation Procedure
1.
Access URL listed below and download the simulator software.
URL: https://sourceforge.net/projects/modrssim/files/latest/download
*
The listed URL is subject to change in the future. If that is a case, search "mod_Rssim.exe" on the search site.
2.
Click the "Download" to download .exe file, and save the file to your folder.
* The installer will not be executed.
3.
Double-click .exe file to start the simulation software.
- M2M Gateway
-Viewing and simulator terminal
IP address : 10.1.1.101
Subnet mask : 255.0.0.0
Ethernet connection
Modbus/TCP
Device type : HoldingResister
Access range : 03E9h - 03F2h
Access cycle : 1 sec
Device type : Coil
Access range : 03E9h - 03F2h
Access cycle : 500 ms.
IP address :1
0
.1.1.200
Subnet mask : 255.0.0.0
Communication (Connection) port : 502
*Check the port number of your device
Modbus
Simulator