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Service Interfaces
Workflow Methods
IProficyHistorian
IProficyHistorian allows you to manage Historian servers, including reading from and writing to Historian collectors and tags.
CreateDataSourceLink (IProficyHistorian)
Creates a data source link to an Historian tag, which can be applied to an equipment property.

Workflow IPI
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Service Interfaces
- Service Interfaces
- Workflow Methods
  - Workflow Methods
    Workflow provides a set of core service interfaces and call methods for you to use when creating a workflow. This section describes these core service interfaces and the associated call methods.
  - IArchiveManagement
    IArchiveManagement allows you to create an archive file and select the data to include.
  - IAuditTrail
    IAuditTrail allows you to write entries to the audit trail.
  - IDatabaseService
    IDatabaseService provides access to relational data, such as databases.
  - IDirectorySearch
    IDirectorySearch allows you to search the Directory of Resources for a set of resources based on a search query, or for a list of resources based on a resource class.
  - IEmailService
    You can use IEmailService to send emails as part of a workflow process.
  - IEquipment
    IEquipment allows you to read from and write to the Equipment model.
  - IEquipmentConfig
    IEquipmentConfig provides methods for configuring the equipment model.
  - IEquipmentHistorian
    IEquipmentHistorian allows you to read from and write to Historian tags.
  - IEvent
    IEventManager allows you to read from the Event model and to create an event subscription for a specific event resource.
  - IExtensionData
    IExtensionData allows you to access temporary workflow data that was previously stored in a system repository. This stored data can be associated with both internal and external systems.
  - IITService
    IITService allows you to read from the Proficy System model.
  - ILicense
    The ILicense service method provides access to active licensing information.
  - IMaterial
    IMaterial allows you to read from and write to the Material model.
  - IOpcClient
    IOpcClient allows you to read from the OPC Client model.
  - IOpcUa
    IOpcUa allows you to read from the OPC UA model.
  - IPersonnel
    IPersonnel allows you to read from and write to the Personnel model.
  - IProductionModel
    IProductionModel allows you to read from or write to the Production model.
  - IProductionReport
    IProductionReport allows you to read from the Production model.
  - IProductionRuntime
    The IProductionRuntime service interface relates to production oversight.
  - IProficyHistorian
    IProficyHistorian allows you to manage Historian servers, including reading from and writing to Historian collectors and tags.
    - AddCollector (IProficyHistorian)
      Adds a new collector to an Historian server.
    - AddTag (IProficyHistorian)
      Adds a new tag to an Historian server.
    - CreateDataSourceLink (IProficyHistorian)
      Creates a data source link to an Historian tag, which can be applied to an equipment property.
    - DeleteCollector (IProficyHistorian)
      Deletes a collector from an Historian server.
    - DeleteTag (IProficyHistorian)
      Deletes a tag from an Historian server.
    - GetCollectors (IProficyHistorian)
      Retrieves the name of the collectors belonging to an Historian server.
    - GetTagAttributes (IProficyHistorian)
      Retrieves the attributes of the specified Historian tag.
    - SetTagAttributes (IProficyHistorian)
      Sets the attributes of the specified Historian tag.
    - TagExists (IProficyHistorian)
      Tests whether or not a tag exists on an Historian server.
  - IPropertyGroup
    IPropertyGroup allows you to read from or write to the properties of a resource.
  - IResourceLinking
    IResourceLinking allows you to work with resource links for all types of resources. You can start, edit, end, and query links between resources in your system.
- iFix Service Provider
Operator Task List in the Workflow Client
Best Practices

CreateDataSourceLink (IProficyHistorian)

Creates a data source link to an Historian tag, which can be applied to an equipment property.

Inputs	Data Type	Description
historianAddress	DirectoryResource	Specifies the address of a GE Historian server.
linkType	LinkType	Specifies the type of data source link to retrieve. Valid values are: CurrentValue Historical
tagName	String	Specifies a GE Historian tag name for the server identified.

Inputs

Data Type

Description

historianAddress

DirectoryResource

Specifies the address of a GE Historian server.

linkType

LinkType

Specifies the type of data source link to retrieve.

Valid values are:

CurrentValue
Historical

tagName

String

Specifies a GE Historian tag name for the server identified.

Note: In the Configure Method dialog box, click Next to select a resource. Otherwise, in the Inputs section of the activity configuration panel, click the ellipsis button to select a resource.

Outputs	Description
DataAccessEndPoint		Indicates the link to an external data item for a specified tag.