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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 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.
Add an OPC client
You connect your OPC client to an OPC server that is installed on your application server computer.

Workflow IPI
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Configure Your Environment
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Data Administration
- Data Administration Introduction
- Electronic Signatures and Audit Trails
- 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.
      - Add an OPC client
        You connect your OPC client to an OPC server that is installed on your application server computer.
      - Configure the OPC server
        You configure an OPC server to ensure it is connected and its status is regularly communicated to your OPC client.
      - Add groups to the OPC client
        You must add groups to your OPC client in order to browse the items that are stored on the OPC server.
      - Add OPC items to Workflow
      - Remove OPC items
    - OPC UA Client Data Source
      The OPC Unified Architecture (UA) client provides direct access to data served by OPC UA servers.
    - 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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- Custom Property Types
- Transferring Workflow
- Reporting
Forms and User Displays
Building and Configuring Workflows
eSOP
ActiveX Task Controls
Service Interfaces
Operator Task List in the Workflow Client
Best Practices

Add an OPC client

You connect your OPC client to an OPC server that is installed on your application server computer.

Procedure

In the navigator, click Proficy System > Proficy System > OpcClient.
Click Add OpcServer.
In the Name field, enter a name for the OPC server you want to connect to.
Optionally, in the Description field, enter a description of the OPC server.
In the Server Prog ID field, enter the Prog ID of the OPC server you want to connect to.
- Or -
Click the ellipsis button to open the Select OPC Server Prog ID dialog box where you can select the OPC server you want to connect to.
Refer to your OPC server documentation to determine the Prog ID.
Click OK.