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Lastly, on Devices - Points, create a row for our OPC Node and assign a Tag to it. In the Address column, you will be able to browse for every available Tag found on the Server in a TreeView style popup.
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This error occurs when the security parameters of the Server certificate do not match those of the Client certificate. For example, on our server, we have the following certificate; if any of the parameters are incorrect when generating the Client certificate, the error will appear (we were able to reproduce the error in our lab). Below, we will demonstrate the correct steps for using the OPC Server with security certificates: 1. Generate the OPCUA Server certificate. 2. Double-click the certificate and view the "Details" to verify the security type and the size of the Public Key (as shown in the previously displayed picture). 3. In "C:\ProgramData\WEGnologyEDGESuite," delete all the files. You can make a backup if desired. (If the 'certs' folder cannot be deleted because it is in use, just delete the files inside it.) 4. In WES, go to Devices > Nodes and select the desired URL.
5. In "Custom," configure the Application Name as "TRunModule." Set the Organization Name, Key Size, and Hash Algorithm according to the certificate identified in step 2, select the Server Certificate, and click OK. Add the Client Certificate that will appear, and choose where to save it in the folder "C:\ProgramData\WEGnologyEDGESuite."
6. Repeat step 5, but set the Application Name as "TManager."
7. On the OPCUA Server, import the two Client Certificates and mark them as trusted. 8. Click "Test" in WES, and you should see "Connected." |
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OPCServer Available Data
If the available data in the OPCServer is from internal data (server information and diagnostics) or if the available data is from a simulation channel, the data can be exchanged by exception and the FS Node “Enable Read Polling” checkbox can be disabled.
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