Rockwell-automation FactoryTalk Historian Classic User Guide Manual de usuario Pagina 80

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Chapter 4 Analyzing FactoryTalk Historian Classic Data
annotation will enable you to supply information about this
spike to other report users.
NOTE
You must have the Add Time-Series Comment application-level
privilege to perform tag annotation. An Author license is not
required.
A value comment is a comment that is associated with a specific
value within a reporting tag. The value comment provides an
explanation of why the value of a process parameter has deviated
from the norm. For example, a value comment will enable us to
document the spike in our time-series data caused by the power
interruption.
Right-click a point on the Batch Analysis chart from the preceding
section and select Add Comment > Value from the shortcut menu
to display the Value Comments dialog box. It will enable you to
enter a comment for a single value in the time-series chart.
1. The Reporting Tag list will default to the reporting tag nearest
to where you right-clicked in the time-series report object.
Select the reporting tag to which you want the comment to be
applied.
2. The Value field will default to the value nearest to where you
right-clicked in the time-series chart. Select the exact value to
which you want the comment to be applied.
Value Comments
80 Rockwell Automation Publication HIST-UM001K-EN-E-June 2014
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