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Reports DECS-150
A pre-trigger-points setting enables a user-defined number of data points recorded prior to the event
trigger to be included in a data log. The value of this setting affects the duration of the recorded pre-
trigger points, the recorded post-trigger points, and the duration of the post-trigger points. A sample
interval setting establishes the sample rate of the data points recorded. The value of this setting affects
the pre- and post-trigger duration values and the total recording duration for a data log.
The Data Log Setup Screen is illustrated in Figure 12-2.
Figure 12-2. Data Log Setup Screen
Triggers
BESTCOMSPlus Navigation Path: Settings Explorer, Report Configuration, DataLog
Data logging may be triggered by mode change, logic change, level changes, or manually through
BESTCOMSPlus.
Mode Triggers
Mode triggers initiate data logging as a result of an internal or external DECS-150 status change.
The Mode Triggers screen is illustrated in Figure 12-3.
Figure 12-3. Mode Triggers Screen
Level Triggers
Level triggering initiates a data log based on the value of an internal variable. The variable can be a
minimum or maximum value and can be specified to trigger a record when the monitored variable crosses
a minimum threshold from above, or a maximum threshold from below. A minimum and maximum
threshold may also be selected for the monitored variable, causing the monitored value to trigger a record
when it rises above its maximum threshold or decreases below its minimum threshold.
Level triggers are configured in BESTCOMSPlus on the Level Triggers tab (Figure 12-4) in the Data Log
area of the Report Configuration. The Level Triggers tab consists of a list of parameters that can be
selected to trigger a data log. Each parameter has a level trigger enable setting that configures triggering
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