Rockwell Automation FactoryTalk Historian SE DataLink 4.2 User Guide - Manual (Page 64)

●
●
●
●
●
FactoryTalk Historian DataLink User Guide
56
Note that attribute strings must match attribute values in FactoryTalk
Historian, and wildcards can be used. The function operates the same as a
tag search (page 51).
Tag Attributes
Retrieves an attribute associated with a specified FactoryTalk Historian tag
name.
Required Fields Tagname
Attribute
Attribute Specify the tag attribute to be retrieved from FactoryTalk Historian.
Special Notes Reference a range of tag names to display attributes for each.
The list of tag attributes available depends on the point class
associated with the tag.
Example:
To retrieve attributes of a FactoryTalk Historian point based on the tag
name, the following arguments are set for the Tag Attributes function:
Tagname = (reference to a cell array containing tag names)
Attributes = pointid (column 2), pointsource (column 3),
pointtype (column 4), descriptor (column 5)
The resulting function arrays appear as:
where the tag names are referenced in the column to the left, and a separate
Tag Attributes function is used for each attribute column.