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OPC UA communication

9.4 Using the S7-1500 CPU as an OPC UA client

Communication

Function Manual, 11/2019, A5E03735815-AH

279

5. For "Client interface" select the client interface that you want to use for the instruction.

We select the "ProductionLine" client interface in the example.

STEP 7 now interconnects the "ProductionLine" client interface with the parameters of the

OPC_UA_Connect instruction:

"ProductionLine" is the interface that the OPC UA client of the example (Page 249) uses

for data exchange with the OPC UA server "ProductionLine".

6. Using drag-and-drop, move the "UA_NamespaceGetIndexList" instruction into the

program editor.

You will find the instruction under "Instructions > Communication > OPC UA" in the TIA

Portal.

Select the "Multi-instance" call option.

Click the toolbox symbol (LAD and FBD) or the small green box below the instance name

(STL and SCL) if the editor is not already open.

Select the client interface that you want to use ("ProductionLine" in the example).

STEP 7 now automatically interconnects all parameters of the

"OPC_UA_NamespaceGetIndexList" instruction:

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