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Connector

To configure the connector to the OPC UA server, from the Project Explorer select Connect, Connectors.

  1. Click Add

  2. Select OPC, OPC UA Real-time values

  3. Click OK

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Under the Server tab, for Host Name, select or enter the name or IP address of the machine where the server is running. Enter the Port number as set up in the server.

  1. For Servers at Host, click Find. Select the one you wish to connect to.

  2. For User Identity, click Select to specify.

  3. Select the Connection tab at the top. Under the Connection tab are Certificates options and general Settings.

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The Client Certificate is automatically created on installation. If required, to recreate the certificate select Create Client Certificate. For most OPC UA servers, the default settings will be sufficient, but if the server requires more advanced certificate settings you can specify them with the Advanced button.

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  1. Navigate back to the Server tab of the connector. Set Host Name to the name or IP address of the server machine.

  2. Typically, information about the Port number to use can be found in the OPC UA server settings.

  3. The Servers at Host dropdown displays all the available servers based on the Host Name and Port.

  4. Click the Select button next to the User Identity field.

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Depending on the security settings over the Server, select an appropriate User Identity and click Apply.

  1. Select an appropriate Security Profile radio button. If Specific is chosen, click Select on the right to select a specific profile to use.

  2. Click Get Endpoints to get the list of available endpoints, select the one that best fits the security settings configured for the server and click OK.

  3. Click Connect to ensure connectivity. This may require an exchange of certificates between the client and the server. If prompted to exchange, click Yes. This action requires Windows administrator rights.

If Connect fails, be sure that the client certificate is trusted by the server and then attempt to Connect again.

The Advanced button is provided to enable/disable some of the security checks done against the UA server.

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By default all options are selected. It is recommended to keep all of these settings enabled for the highest security.

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