How to connect an OPC UA client

Summary

  1. Download and install Cogent DataHub software.
  2. Start the DataHub, select the OPC UA option.
  3. Check the box for Act as an OPC UA Server.
  4. Configure Security to enable remote connections.
  5. In your OPC UA client, add the Cogent DataHub server and select your nodes.

For more details and options, see the documentation.

Transcript

  1. How to connect an OPC UA Client.
  2. First, download and install Cogent DataHub software.
  3. Start the DataHub, and from the Properties window, select the OPC UA option.
  4. Make sure the box for Act as an OPC UA Server is checked, and the protocols you need are also checked.  Then click Apply.
  5. To enable remote connections, select Security and then click the Configure button.
  6. Under Users, click the Add button to add a Built-In User.
  7. Enter a username and password.
  8. Uncheck the Require TOTP Authentication box because this is a non-interactive connection.  Then click OK.
  9. In the Roles, check the All Data Full Access box.  Then click OK. This DataHub instance is now configured as an OPC UA server.
  10. In your OPC UA client, add the Cogent DataHub server.  To connect remotely, you will need to enter the username and password. Then select your nodes.
  11. Now you are connected.

Background

OPC UA s the latest protocol from the OPC Foundation. Learning how to connect an OPC UA client with Cogent DataHub software is a good way to integrate the OPC DA protocol with all of the other supported protocols, like OPC UA, 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. Additionally, its scalability accommodates the evolving needs of industrial environments, making it a versatile and future-proof solution for Industry 4.0 initiatives.

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, making it ideal for OT to IT and cloud connections.  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