Using Diagnostics Options; Diagnostics Of The Opc Ua Server - Siemens SIMATIC S7-1500 Function Manual

9.3.6

Using diagnostics options

9.3.6.1

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
Communication
Function Manual, 11/2019, A5E03735815-AH
point security settings between client and server
OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
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