Home/Support/Support Forum/i get ( port 502 can't be reached ) when i try to connect to cj2m plc why ?
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i get ( port 502 can't be reached ) when i try to connect to cj2m plc why ?

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i am trying to connect to plc using modbus tcp/ip via ethernet cable in c#

when i try the connection , it keeps telling me : port can't be reached

how can i fix that ?
asked Mar 1, 2016 in Modbus and Industrial Automation by leineme New to the Community (0 points)

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