Rockwell-automation FactoryTalk Historian SE DataLink 4.2 User Guide Manuel d'utilisateur télécharger pdf (Page 34)

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FactoryTalk Historian DataLink User Guide

 Q = questionable, indicating that there is some reason to doubt the

accuracy of the value.

Value attributes are displayed in a column to the right of event values.

Show Annotations

Select show annotations to display any annotations associated with

returned event values in a column to the right.

Annotations are notes or comments appended to a data value in

FactoryTalk Historian for descriptive purposes.

Orientation Controls

For functions that return an array of FactoryTalk Historian values, use the

column and row buttons to determine the orientation of returned data.

 Choose column to display data in columns.

 Choose row to display the data in rows.

Additional columns (page 22) or rows are added for time stamps and

related data if they are selected for display. The function's Output field

always indicates the upper left-hand corner of the entire range used for the

array.

For functions that return a range of values, the orientation of the input tag

array overrides row and column selection to determine the orientation of output

data.

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Rockwell-automation FactoryTalk Historian SE DataLink 4.2 User Guide Manuel d'utilisateur Page 34