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Rockwell Automation 9301 Series RSView32 Users Guide User Manual

Page 687

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B–6

RSView32 User’s Guide

For example, if you typed Trend as the control tag, you would find a
folder called Trend in the list of folders displayed in the Tag Database
editor. The folder would contain the tags listed in the following table,
but each tag would be prefixed with “Trend”. The \CurrentPen tag
would be Trend\CurrentPen, and so on.

Tag name

Type

Function

Read or Write?

\CurrentFile

Analog Number of the current data log file. Data log files

are numbered sequentially. You can write to this
tag if Choose File, Oldest File, or Newest File is
the trend’s data source.

Read and write
(see Function
column)

\CurrentPen

Analog Number of the current pen (1 – 16) highlighted in

the legend.

Read and write

\NewestFile

Analog Offset from current data log file to newest data log

file.

Read only

\NewestTime

Analog Time of the newest data sample available for

plotting.

Read only

\OldestFile

Analog Offset from current data log file to oldest data log

file.

Read only

\OldestTime

Analog Time of the oldest data sample available for

plotting.

Read only

\Paused

Digital

A tag value of 1 pauses the trend.

A tag value of 0 resumes movement of the trend.

For a real-time trend, the \Paused tag has a default
value of 0 so the trend scrolls initially. For a
historical trend, the \Paused tag has a default value
of 1 so the trend pauses initially.

Read and write