Using Diagnostics Options; Diagnostics Of The Opc Ua Server - Siemens SIMATIC ET 200AL System Manual

OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
9.3.7

Using diagnostics options

9.3.7.1

Diagnostics of the OPC UA server

Online diagnostics of the OPC UA server
The S7-1500 CPU OPC UA server can be diagnosed online with standard OPC UA clients, such
as UaExpert.
The diagnostic information is subdivided into the following areas:
• Server Diagnostics
• Sessions Diagnostics
• Subscriptions Diagnostics
In the address space of the server, for example, the following nodes are available with
diagnostic information:
• ServerDiagnosticsSummary: Server diagnostics summary
– CurrentSessionCount: Number of active sessions
– SecurityRejectedSessionCount: Number of sessions rejected due to mismatching end
• SessionsDiagnosticsSummary: Session diagnostics summary
– ActualSessionTimeout: Set time that a session lasts, e.g. in the event of disconnection
• SubscriptionsDiagnosticsArray: ARRAY with one element per subscription for each
session
304
point security settings between client and server
Function Manual, 05/2021, A5E03735815-AJ
Communication