1. Open UAExpert, click+to add a server, and enter OPC in the server node. TCP:// 192. 168. 1.33:4840。 2. Double-click Expand, select None-None as the security policy, and then click OK.

3. After adding, right-click and select. 4. Some node information of OPCUA appears in the address space below, indicating that Connect has been connected.

OPC is an interoperability standard for exchanging data safely and reliably in industrial automation and other industries. It is platform-independent and ensures seamless information flow between devices from multiple vendors. OPC Foundation is responsible for developing and maintaining this standard.