How to connect to an OPC UA server

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Summary

  1. Download and install Cogent DataHub software.
  2. Start the DataHub, select the OPC UA option and click Add.
  3. Choose a Discovery Domain, enter the endpoint URL, test the connection, and select nodes.
  4. Click OK and Apply.
  5. View your data in the Data Browser.

For more details and options, see the documentation.

DataHub product used: DataHub OPC Gateway

Transcript

  1. How to connect to an OPC UA Server.
  2. First, download and install Cogent DataHub software.
  3. Start the DataHub, and from the Properties window, select the OPC UA option and click the Add button.
  4. Choose or enter a Discovery Domain.
  5. Choose or enter the endpoint URL for the OPC server.
  6. Leave the other fields at the default settings and click the Connection Test button.
  7. The connection should succeed. Close the window.
  8. Leave the Data Transfer options at the default settings.
  9. Manually select the nodes you want to connect to.
  10. Or choose Load All Nodes on Server.
  11. Enter a meaningful name for the data domain.
  12. Click OK, make sure the “Act as an OPC UA Client” and the “On” button are checked, then click Apply.
  13. Click View Data to see your data in the Data Browser.
  14. Now you are connected.

Background

OPC UA s the latest protocol from the OPC Foundation. Learning how to connect to an OPC UA server with Cogent DataHub software is a good way to integrate the OPC UA protocol with all of the other supported protocols, like OPC DA, A&E, A&C, as well as MQTT, Modbus, ODBC, and more.

OPC UA (Open Platform Communications Unified Architecture) offers secure, reliable, and platform-independent communication for industrial automation. It ensures interoperability between diverse devices, systems, and platforms, facilitating seamless data exchange and integration. Its robust security features protect against unauthorized access and data breaches, ensuring data integrity and confidentiality.

Skkynet provides Cogent DataHub secure-by-design software and services to let you acquire, aggregate, monitor, control visualize, and network live process data in-plant or over insecure external networks. You can isolate control networks from cyber attacks and integrate industrial data under a unified namespace, all without compromising the plant.

Cogent DataHub products wheel diagram