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RS232 interrupt communications

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  • RS232 interrupt communications

    Is it possible to have the RS232 port on the P2-550 be set up for interrupt handling? Right now I've implemented the Custom Protocol In function in a ladder that is looped through checking for input communications. I have Custom Protocol Out in a ladder that is looped for sending out. We are wanting the ability to improve the handling with interrupts.

    I have tried searching this forum to see if there have been any discussion on serial communications interrupts but didn't find anything.

    I am thinking that communications interrupt handling is not available on the PLC's. So I am asking to see if there is.

  • #2
    I do not believe you can do any kind of interrupt in a Productivity PLC.

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