
https://profinetuniversity.com/wp-content/uploads/2018/03/OPC_hierarchy-1024x762.png
https://profinetuniversity.com/wp-content/uploads/2018/03/OPC_mess-1024x762.png
OPC UA and PROFINET address two different needs in the industrial communication ecosystem. OPC UA is used for system monitoring and diagnostics, while PROFINET is used to implement local control loops and processing.