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Perform diagnostic trending – Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control User Manual

Page 179

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Operator Interface 3-57

7000 “C” Frame

7000L-UM300I-EN-P – June 2013

Perform Diagnostic Trending

The diagnostic trending operation of screens allows you to capture
the relationships of a number of parameters over a period of time.
Within this operation you will:

Define the Parameters to which the Trend Apply

Define the Trigger Condition to Begin the Trend

Define the Sampling Rate and position of the Trigger

View the results of the Trend


You will access the Diagnostic Trend operation from the Top Level
Menu by pressing the [F9] key. This results in the display of the
screen shown in Figure 3.79.

Figure 3.79 – Diagnostic Screen

From this screen, additional screens are accessible to perform the
diagnostic trending functions. The screen shows the current status
of the trend, (Unprogrammed, Running, Triggered, Stopped). If a
trigger has been defined, the trigger

parameter

, its trigger condition

and the type of trigger will be displayed.

If data has already been captured, a time stamp indicating the last
time the given trigger has occurred. This captured data can be
viewed by pressing the [F9]

Softkey

.

When a trigger has been defined, and is currently "Stopped", it can
be re-started by pressing the [F7] key. If the status is "Running", the
user can force the trigger to occur by pressing the [F2] key. Note
that in doing so, that the trigger condition did not actually occur, but
all data buffers can be viewed as if the condition had occurred.

To define a trend, press the [F8] key to display the setup screen,
shown in

Figure 3.80

.