Microsoft is serious about IoT Edge. Azure IoT Edge is now GA for a few months and just last week the version was bumped up to 1.0.1.
The same effort is put into Edge modules. Microsoft provides several modules for different protocols like OPC-UA and Modbus.
In the past I already wrote a couple of times about Modbus TCP in IoT Edge. It’s easy to use and reliable. The Microsoft Modbus module is already available in GA. And I even noticed a reference to “docker pull mcr.microsoft.com/azureiotedge/modbus:1.0”.
If you look deeper into the documentation, you can see that the module supports Modbus RTU too!
It’s always good to learn about other protocols so I arranged some hardware and started a journey.
Let’s see what we need to get started with Modbus RTU. Continue reading “Modbus RTU on Azure IoT Edge”