Rockwell Automation FactoryTalk Historian SE DataLink 4.2 User Guide - Manual (Page 50)

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FactoryTalk Historian DataLink User Guide
42
Special Notes You can use a PI Expression (page 91) instead of a tag name for this
function.
Reference a range of tag names to display sampled values for each.
Note that by default, values are displayed in rows for a column of
referenced tags, and in columns for a row of referenced tags.
For tags with step attributes, the value preceding a specified time
stamp is substituted for an interpolated value when the calculation
mode is
Interpolated .
Example:
To see values corresponding to an array of time stamps for the
sinusoidu tag, the following arguments are set for the Timed Data
function:
Tagname = sinusoidu
Timestamps = <cell reference to existing array of compressed
data for sinusoid tag>
Retrieval Mode = interpolated
The resulting function array appears as: