Siemens SIMATIC ET 200AL, System Manual

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OPC UA communication
9.4 Using the S7-1500 CPU as an OPC UA client
Communication
Function Manual, 05/2021, A5E03735815-AJ
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Data blocks of client interface
The following data blocks belong to the "Productionline" client interface:
•
Productionline_Configuration
A data block for the configuration.
In the example, this data block is called "Productionline_Configuration".
The data block already contains all system data types that are needed for the instructions
of the OPC UA client.
In addition, the data block contains general default values for parameter assignment of
the connection to an OPC UA server.
If you are working with connection parameter assignment, this data block will be filled.
• ProductionLine_Data
A data block for the PLC tags that you have entered in the client interface editor.
In the example, this data block is called "Productionline_Data".
The figure below shows the data block.
Figure 9-67 "Productionline_Data" data block
Use the "Productionline_Data" data block in your user program and access the read values
of the "NewProduct" and "ProductNumber" PLC tags. This is explained in the following
section using an example.