OPC UA / PROFINET HierarchyPublished March 1, 2018 at dimensions 1183 × 880 in OPC UA and PROFINET. Next → 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.