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communication modbus between Builder c++ and plc schneider M340

This is a discussion on communication modbus between Builder c++ and plc schneider M340 within the C++ Programming forums, part of the General Programming Boards category; Hi, I must do a communication in Modbus between Builder c++ and PLC schneider M340. I must code in builder ...

  1. #1
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    communication modbus between Builder c++ and plc schneider M340

    Hi,
    I must do a communication in Modbus between Builder c++ and PLC schneider M340.
    I must code in builder c++, but i don't know how to do it.
    there is nobody to help me.

  2. #2
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    what have you tried so far?

  3. #3
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    oh man. this sounds like my first job out of college.

    i wish i could help but i never learned modbus, tho it was often talked about.

    my best advice to you is to obtain a copy of the standard and read it. as torturous as that may be it is the possibly only way you're going to do it.

  4. #4
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    Maybe some carefully chosen keywords for google?
    https://encrypted.google.com/search?...%2B%2B+example
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
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    jfgi: an acceptable alternative to rtfm.
    Elkvis likes this.

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