Siemens SIMATIC ET 200SP Function Manual

OPC UA communication
9.4 Using the S7-1500 CPU as an OPC UA client
Communication
Function Manual, 11/2019, A5E03735815-AH
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Example of an error-free assignment of the structure elements
In the imported node set file (XML export), the structure is defined as follows:
The structure mapped in the read list matches, both in the order and in the assigned data
types, the corresponding nodes of the node set file.
If the structure now changes on the server, for example tagA and tagB are swapped, and the
read list remains the same in the client, the assignment is no longer correct:
● The total length of the data remains the same (only the order has changed)
● The configuration of the structure is different for client and server!
WARNING
No error message in the case of different structure configuration between client and server
If the structures of client and server do not match, this rule violation will possibly not
generate any error during compilation and also not in runtime.
Make sure not to change the configured assignments for structures in runtime. If required,
reconfigure the assignment in the read and write lists!

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