PLC Logic Sync In Soft Switchover Application.

PLCGurus.NET Live & Interactive Forum PLC Questions and Answers Rockwell, Allen-Bradley, Stratix PLC Logic Sync In Soft Switchover Application.

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  • #4043
    arunkumar.daraarunkumar.dara
    Participant
      Karma: 28
      Rank: Padawan

      Hi,

      I’m using 2 compact Logix PLC’s for a soft switchover application. I was able to sync my data variables like setpoints, scaling values, etc using message instruction.

      Now I want help to understand how to sync PLC logic also.

      Thank you,

      ArunKumar D

      #4046
      mrincrediblemrincredible
      Participant
        Karma: 53
        Rank: Padawan

        Hi Arun,

        I’m just trying to wrap my head around exactly what it is you’re trying to do? I think what you’re asking or suggesting is that you want to have two identical controllers independent of each other running exactly the same logic in perfect synchronicity. You goal is this, in the event one controller fails, there’s an automatic fail-over to the second controller without any kind of interruption. Am I correct?

        #4081
        arunkumar.daraarunkumar.dara
        Participant
          Karma: 28
          Rank: Padawan

          Hi Mister Incredible,

          Yes, I’m trying to synchronize both controllers.

          need help on this.

          Thank you.

           

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