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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

273

Creating an OPC UA Client certificate

The easiest way to generate a client certificate for an S7-1500 CPU is to configure a client

interface.

The configuration of the client interface provides for the selection or generation of a client

certificate, see Creating and configuring connections (Page 268).

Alternatively, you can generate the client certificate as follows:

1. In the project tree, select the CPU you want to use as a client.

2. Double-click "Device configuration".

3. In the properties of the CPU, click "Protection & Security > Certificate manager".

4. Double-click "<Add new>" in the "Device certificates" table.

STEP 7 opens a dialog.

5. Click the "Add" button.

6. Select the "OPC UA client" entry from the "Usage" list.

7. Click "OK".

STEP 7 now shows the client certificate in the "Device certificates" table.

8. If the server is in another project: Right-click this line and select "Export certificate" from

the shortcut menu.

9. Select a directory where you will store the client certificate.

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