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CONNECT

After commissioning your SYNA device, the next step is to add a connection and configure the device settings.
This ensures SYNA can securely communicate with your application or controller.

How-to connect to OPC UA Server from COLIGO App​

Connecting to A OPC UA Server

1. Add a New Connection​

  1. From the main dashboard, click CONNECT.
  2. Select ADD CONNECTION.

2. Configure Connection Settings​

  1. In the Endpoint URL field, fill/paste the OPC UA server address that you want to connect:
    Example: 116.203.140.101
  2. In the Port field, enter the port number of the OPC UA Server:
    Example: 4840 (default OPC UA port).
  3. Click NEXT.
  4. Choose the Security Policy & Mode that matches your OPC UA server settings.
  5. Click NEXT again.
  6. Select the Authentication Mode required by your OPC UA server.
  7. Click CONNECT to establish the link.

Collecting the OPC UA Server Variables​

Collect OPC UA Server variables

3. Add Variables​

Once connected:

  1. Click ADD VARIABLES.
  2. Navigate through the address space to select the variables to be subscribed to:
  3. Select the variables you need (e.g., bSetSpeed, bAcceleration).
  4. Confirm your selection.

4. Finalizing the Setup​

✅ Your connection is now established, and variables are mapped.
You can begin monitoring or controlling values directly from the SYNA web interface.

5. Troubleshooting​

  • Cannot connect to server:

    • Check the IP address and port.
    • Ensure the OPC UA server is running and reachable from the SYNA device (both connected to the same network).

  • Security/authentication fails:

    • Make sure your chosen Security Policy and Authentication Mode match the server configuration.

  • Variables not visible:

    • Confirm that the target application is running and exposing the desired variables in the OPC UA Server.
    • Check if the user roles you have used to log in to the OPC UA Server provides you with the access to varaibles
    • Refresh the variable tree and retry.