Will My Configuration Work In Practice - VSCOM ModGate Plus User Manual

9 Troubleshooting
The colored log entries show a complete request and response from a Modbus/TCP Master
to a Modbus/RTU Slave. If steps are missing, this log may help to narrow down the problem.
9.5. Will my configuration work in practice?
There are tools that can simulate Master and Slave on a normal PC:
• Modpoll is a command line tool simulating a Master:
• Diagslave is a command line tool to simulate a Slave:
• QModBus is a graphical Master:
As a short example analog to the scenario
acting as TCP-Master on the network:
• Command for Diagslave: diagslave.exe -b 115200 -p even -m rtu COM1 - simulate a
Slave on COM1 with 115200 baud and even parity acting on any Modbus ID.
June 2018
Figure 42: ModGate logfile
http://qmodbus.sourceforge.net/
8.1 with one PC acting as Slave on a COM port and
ModGate Plus User Manual
https://www.modbusdriver.com/modpoll.html
https://www.modbusdriver.com/diagslave.html
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