Writing commands to IoT Edge Modbus Modules

Microsoft provides several out-of-the-box modules for their Azure IoT Edge platform. If we do a quick search at the Public Docker repository, we see modules like

  • microsoft/iot-edge-opc-publisher
  • microsoft/iot-edge-opc-proxy
  • microsoft/azureiotedge-modbus-tcp
  • etc,

I already have described in a previous blog, how to consume and read data from that Modbus module. After checking out the documentation and some testing, I found out how to write commands back to the device too.

Let’s check out how we can use this in a Custom C# module. After that, we use it in an Azure Functions Module. So let’s do a deeper dive into Azure Functions on the IoT Edge as well.

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