Tag Objects

Tag Object

The Tag object contains configuration information for a single tag. You can modify properties of the Tag object and save them to the Historian server by using the WriteRecordset method of the TagRecordset object.

TagCriteria Object

The TagCriteria object sets the criteria for retrieval of Tag records into a TagRecordset object.

TagDependencies Object

TheTagDependencies object represents a list of Historian Tags which trigger a given calculation when their values change.

TagFields Object

TheTagFields object identifies which tag fields are retrieved in a TagRecordset query.

TagRecordset Object

The TagRecordset object is a collection of tag records that contain tag configuration information.

To add, modify, or delete tags:
  1. Create a TagRecordset object.
  2. Add, delete, and modify tag records.
  3. Perform a WriteRecordset operation to save the changes to the Historian tag database.

Tags Object

TheTags object contains Historian tag configuration information and provides functionality for adding, deleting, and modifying this configuration.

The following figure describes the Tags object.