GE Industrial Solutions Control System Toolbox For Configuring the Trend Recorder - Manual (Page 18)

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Chapter 3 Types of Trends GEH-6408A Trend Recorder
Configuring the Trend
À
To set up the real-time trend
w
From the Edit menu, choose Configure . The Trend Recorder
Configuration dialog box displays.
Real Time Trend Configuration
Select the Real Time tab to
specify a live trend from the
drive or controller Continuous mode
collects data until
you stop recording.
If the trace buffers
fill up, the oldest
one-eighth of the
data in the buffer is
deleted.
Triggered mode
captures data
based on a specific
event. In this mode,
the Trend Recorder
watches the value
of a designated
trigger Boolean
signal. You must
specify whether to
trigger based on
this signal being
True or on a value
transition. You can
also enter a time
interval to collect
data: Pre-Trigger
(before the trigger)
or Post-Trigger
(after the trigger).
Choose a signal to use as the trigger. Or choose the trigger
signal from the lower Signal View of the Trend Recorder window.
Then, from the Edit menu, choose Set Trigger Signal. An
asterisk displays beside the signal name, indicating that it is
being used as the trigger. This option is only available when you
are trending in a Triggered mode. Sample Interval allows you to
specify the sampling interval
when you are real-time trending
from a controller. Drives sample
at the fastest rate possible.
Save Mode allows you to specify whether to save just the
setup for the trend or save the setup and all data that is
collected. Setup Only saves all the signals, their scaling,
the sample interval, axis ranges, and other setup data.
Note If the Trend Recorder is left running in triggered record mode for an extended
period, multiple events can be captured.