Modbus TCP/IP slave communication errow

irshad
2024-02-03
2024-02-04
  • irshad - 2024-02-03

    While reading the value of a slave device, it shows error frequently and i need to restart my PLC for getting the communication back.
    In codesys it shows the slave in Red color with error status.

    How to solve the above

     
  • nano - 2024-02-04

    please tell us the exact error message from diagnostic.

    U can view it at devicetree in the node-element diagnostic from modbus-configuration.

    u also can activate the function auto-reconnect in master and increase a little bit the timeout and the repetition to male thw communication a little bit more robust

     

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