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Problems with Modbus TCP Write LBS.

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    Problems with Modbus TCP Write LBS.

    Hi.

    I'm trying to write a simple Modbus TCP Write LBS, but I always get "exception 'Exception' with message 'Modbus response error code: 3 (ILLEGAL DATA VALUE)'"
    I'm using a simple ModbusMaster->writeMultipleRegister(2, 206, 3, INT) command. Tried with different values for sending and the different WORD, INT, REAL data types, but always the same problem.

    Does anyone know what the problem could be?

    -Kaj

    #2
    I'm sorry I have no answer to your question. But did you have a look at the existing LBS in the download section? There are some that use Modbus TCP already. Maybe this will help.

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