The standard Modbus TCP on EWON Flexy products uses port 502, but here are the changes to consider if you want to communicate with port 503 for example.
- EWON Flexy
ISSUE / QUESTION
The customer wanted to connect remotely and read data from Ethernet Modbus TCP to Modbus RTU. When he set-up the TCP port to 503 in Global setting property for the transparent gateway feature Ethernet Modbus TCP to Modbus RTU for remote access, then restarted EWON, it could not get remote access.
This is how to fix this kind of issue.
In order to take into account port 503 as Modbus-TCP Port in Global Setting, we have to set it in Modbus IO-Server Advanced settings like this:
ADDITIONAL INFO (Optional)