Rockwell Automation FactoryTalk Historian SE DataLink 4.2 User Guide - Manual (Page 47)

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FactoryTalk Historian DataLink Functions
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show timestamps
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The resulting function array appears as:
Note that all events between two specified times could also be retrieved by
the same function using the Time Range argument.
Sampled Data
Returns evenly-spaced, interpolated sample values for a FactoryTalk
Historian point or expression over a regular interval.
Required
Arguments Tagname or Expression
Start Time
End Time
Time Interval