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  • cnpolishing  

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  • stenterlicheng  

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  Read out PLC data over MODBUS every Xs and send over MQTT?
  • Sacirovic  

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  @methlouthi-hathemi Answered here https://forum.unipi.technology/topic/920/read-data-sent-from-omron-plc-by-serial-port-using-node-red
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  Control Unipi relays with Python
  • loggeduser  

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  Hello @loggeduser, yes, you can. There are three ways how to communicate with IOs from your program: ModbusTCP server - local process running on port TCP/502 making the IOs available via Modbus coils and registers. You can read more about the Modbus Registers Maps EVOK - all sorts of web APIs (json, rest, websocket,...), more information here SysFS - IOs are made available through a virtual filesystem, more information here But it depends on which unit you use. Best regards, Martin
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  UniPi API - need to use Win 10 IoT or Mono
  • brzezinol  

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  Hi Thomas, I've uploaded the driver here: https://github.com/marioverhaeg/UniPi AnalogueInputs and outputs are not implemented, but digitalinputs, onewire and relays are working. There are some events and some functions to poll information from the board. As said, I'm far from a professional developer but it might help others to understand how to read information from the UniPi. I will try to update the project now and then when I make improvements.
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  Start PLC
  • andrequeiroz  

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  Hi Martin, I want to use UNIPI 1.1 to power a bench, with electric motors, just to start the motors and for maneuver operations. I initially think of using Raspberry as Broker (MQTT) and an arduino as sensor control (MQTT Client).
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  • copperwirexinyu  

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  • copperwirexinyu  

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  Problem with attach PLC and upload RT
  • frenchy  

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  Can I still work with my RPI B3 + or should I buy a RPI2? The RT download problem comes from there?