Add and configure an OPC DA data source

An OPC Data Source item establishes that the connection is to an OPC DA-compliant system.

• Stores the other OPC DA connector items that you add.

• Manages the interactions between the items of the OPC DA connector library.

• Indicates the active connection and its status.

You can add the data source to any applications folder or group them in an ApplicationFolder item under System Configuration. A project can contain multiple data sources.

To add an OPC DA datasource

1. In the Project Explorer right-click System Configuration, point to Add Item, point to Standard Items, and then click Applications Folder. An ApplicationsFolder item appears.

2. Rename the folder with a meaningful name.

3. Right-click the folder, point to Add Item, point to Connectors, and then click OPC DA. A new OPC Data Source item appears.

   

4. Rename the item with a meaningful name.

5. Configure the properties. For guidance in configuring the properties, see OPC DA data source properties.

Related topics

• Add and configure an Applications folder

• Use the Project Explorer

• Add and configure an OPC DA data connection

• Add and configure an OPC DA group

• Add and configure an OPC DA variable