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+--- Thread: Modbus TCP fails continuously (/showthread.php?tid=4061)
Modbus TCP fails continuously - khalil - 26.05.2022
Hello
What could be the reason for: "connection Failed: Connection refused" error.
BR,
RE: Modbus TCP fails continuously - admin - 26.05.2022
Either a device is using a different port (for example 1502) or a connection limit is reached. Try enabling "Persistent connection" mode.