OPC Unified Architecture (UA) is an open-source communication protocol that has stood out as a cross-platform protocol in recent years. This is because OPC UA is now the go-to protocol for industrial control devices, embedded system devices, and other industrial equipment. It is a reliable mechanism as it offers better security of plant data and a complete information model than other traditional protocols. OPC UA has a similar Client-Server structure as Modbus TCP but it is more versatile and robust than it. This tutorial will teach you how to configure an S7-1500 PLC as an OPC UA server in TIA Portal.
This is a companion discussion topic for the original entry at https://www.solisplc.com/tutorials/opc-ua-server-communication-in-siemens-tia-portal