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Data Sources
Workflow provides the ability to connect to external data sources to access the data contained within those applications.
OPC UA Client Data Source
The OPC Unified Architecture (UA) client provides direct access to data served by OPC UA servers.
Add Groups to OPC UA
You must add groups to your OPC UA client in order to browse and select the items that are stored on the OPC UA server.

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- Data Administration Introduction
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- Data Sources
  - Data Sources
    Workflow provides the ability to connect to external data sources to access the data contained within those applications.
    - Configure a data source item for a resource
      This procedure is used to configure data source items for equipment, events, and workflows.
    - GE Historian Data Source
      The GE Historian data source allows you to connect to Historian servers to read from and write to Historian data tags. You add Historian tags to Workflow and then use those tags as data sources throughout Workflow.
    - OPC Client Data Source
      An OPC client provides direct access to data served by OPC Data Access (DA) servers without relying on GE Historian as a bridge between an OPC server and Workflow.
    - OPC UA Client Data Source
      The OPC Unified Architecture (UA) client provides direct access to data served by OPC UA servers.
      - Add an OPC UA Server
        You can connect to an OPC UA server that is installed on your application server computer.
      - Configure an OPC UA Server
        You can configure an OPC UA server to ensure it is connected and its status is regularly communicated.
      - Add Groups to OPC UA
        You must add groups to your OPC UA client in order to browse and select the items that are stored on the OPC UA server.
      - Add OPC UA Items to Workflow
        You can add asset tags from the OPC UA server to Workflow.
      - Remove OPC UA Items from Workflow
        You can remove asset tags that were added to Workflow from the OPC UA server.
      - Set OPC UA Subscription Parameters (Advanced)
        You can customize subscription parameters for an OPC UA server connection.
    - Database Service Providers
      The database service provider allows you to connect to data sources and retrieve or update information for SQL and ODBC statements and procedures.
    - Data Types
      Data types define the format that data is stored in and displayed as for variables, specifications, and other resources.
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Operator Task List in the Workflow Client
Best Practices

Add Groups to OPC UA

You must add groups to your OPC UA client in order to browse and select the items that are stored on the OPC UA server.

Procedure

In the navigator, click Proficy System > Proficy System > OPC UA.
In the OPC UA Servers list, select an OPC UA server.
Click Add Item Group.
In the Name field, enter a name for the OPC UA group.
Optional: In the Description field, enter a description of the OPC UA group.
Click OK.