2 posts in this topic

Hi 
i am trying to connect to omron plc (cj2m ) from my pc  using modbus tcp/ip in c# , by using the port 502 i  get an error saying that the port can't be reached

is there any method to fix that or change the port number ?

 

thank you 

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The PLC does not talk Modbus/TCP.  It talks Ethernet/IP.

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