Rockwell Automation FactoryTalk Historian SE DataLink 4.2 User Guide - Manual (Page 49)

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FactoryTalk Historian DataLink Functions
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The resulting function array appears as:
where a value is displayed for each 3-hour interval.
Timed Data
Returns actual or interpolated sample values for a FactoryTalk Historian
point to match an array of specified time stamps.
Required
Arguments
Tagname
Timestamp
Timestamp A reference to one or more spreadsheet cells containing time stamp
values.
Retrieval Mode There are two modes to select from:
 Interpolated
Interpolates values corresponding to specified time stamps.
 Exact Time
Retrieves only values exactly matching specified time stamps, or
returns No events found if no value exists.