OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
Communication
Function Manual, 05/2021, A5E03735815-AJ
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In the example, you drag the "Gate_1_State" tag from the right area to the left area to
"<Add new>".
Then, drag the server method into the left area.
This server method is located within the "smOpenGate_DB [DB3]" data block in the right
area.
STEP 7 (TIA Portal) displays the dialog as follows:
Figure 9-38 Adding OPC UA elements to the server interface
NOTICE
Checking the mapping of CPU local data on nodes of the OPC UA server interface
When invalid assignments (mappings) exist in the server interface, they can result in
incorrect read and write operations. Check the assignments and run a consistency check.
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