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CLICK PLC RS-232 Port

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  • CLICK PLC RS-232 Port

    Hello, I was simply wondering if anyone knew how CLICK PLCs write from their RS-232 ports. I'm writing a program that will read from certain addresses and put them in a spreadsheet. Thanks in advance!


  • #2
    What communications protocol are you using - ASCII or Modbus? Modbus would probably be the best suited for what you want to do. With the PLC set up as a Modbus slave, the PLC program doesn't have to do anything - the application program initiates reading from (or writing to) the PLC registers.

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