How to call a Function Block from an OPC UA Client using an Information Model

Most automation engineers are aware that OPC UA clients can exchange data with PLCs via OPC UA tags. But did you know that OPC UA clients can also use methods to pass input data to, and receive output data from, Function Block instances in a PLC?

If you would like to know how to do this in your project, check out this step-by-step tutorial on Github: https://github.com/PLCnext/OpcUaMethods