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    Is it possible to program UNIPI in Node-red and at the same time also in Mervis IDE?

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    • J
      JakubSzlaur last edited by

      Hello everyone,
      I am completely new to UNIPI systems (and to this forum). So, if my questions are basic (or in the wrong place), I would be more than happy if you could redirect me to the correct documentation where I can find my answers:

      1. Is it possible to program UNIPI units with Node-red and at the same time using the Mervis IDE with IEC-61131-3 structured text?

      2. If it is indeed possible can those two programs communicate with each other? Via some shared variable or some file?

      I am mainly asking this because programming in Mervis IDE and IEC-61131-3 is more “industry robust” and Node-red would be used only for Cloud communication.

      If my questions are too wide and the answers differ based on which UNIPI PLC I choose – I am currently thinking about NEURON, GATE and PATRON.

      Thank you in regards for any answers!
      Jakub Szlaur

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      • W
        whiteRabbit last edited by

        Hello, Jakub, I have heard some rumors that There is a plan to implement paralel systems running on Unipi (especially Mervis + Node-red) to implement functionalities from Node-red with Mervis
        (hurray!)

        let´ s hope that will be true in near future
        best
        WR

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        • J
          JakubSzlaur last edited by

          Wow that's interesting!

          In the meantime I will try to find any other way (for example Modbus TCP or some files).

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          • D
            Drewscm last edited by

            I would be interested in a setup like this too

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            • A
              AVsetula administrators last edited by

              Hi everyone,

              Currently this is possible by flashing Mervis OS and then installing Node-RED following the standard installation instructions: https://nodered.org/docs/getting-started/raspberrypi

              However, this solution is not tested and we cannot guarantee that the Mervis RT will behave correctly if other such demanding SW is running on the controller.

              Best regards,
              Antonin, Unipi

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