Siemens SIMATIC ET 200SP Function Manual

OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
Communication
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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
point security settings between client and server
● 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

Siemens SIMATIC ET 200SP Specifications

General

System Type	Distributed I/O System
Mounting	DIN Rail
Communication Protocol	PROFINET, PROFIBUS
IP Rating	IP20
Category	I/O Systems
Supply Voltage	24 V DC
Modularity	Yes
Hot Swapping	Yes
Storage Temperature	-40°C to +70°C
Digital Inputs	Yes
Digital Outputs	Yes
Analog Inputs	Yes
Analog Outputs	Yes
Communication Interface	PROFINET, PROFIBUS
Number of Modules	Up to 64
Relative Humidity	5 to 95% (non-condensing)
Operating Temperature	-25°C to +60°C