Chapter 10. OPC UA Server190 PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224QOPC UA Security SettingsThe OPC UA server does not support message encryption. OPC UA clients typically have two settings forsecurity. The first is the security policy and the second in the Message Security Mode. Both of these settingsshould be set to None for the OPC UA Server Connection (see screenshot below).Figure 74: OPC UA Connection Security SettingsOPC UA Address SpaceThe OPC UA address space contains information about the server and its application. An OPC UA client browsesthe address space to determine server functionality and the controller application variables available from theserver. An example client address space view is displayed below.Figure 75: Example OPC UA Address Space
