PQube User Manual 2.1
Page 55 of 113
Waveshape Change
Your PQube triggers a Waveshape Change when the voltage waveform changes abruptly. It uses
the “Floating Window” algorithm to compare each cycle to the previous cycle. It is especially
useful for detecting Power Factor Correction capacitor switching. In your Setup.ini file, locate the
following tags:
Voltage_Threshold_In_Percent_Of_Nominal=20.00
Duration_Threshold_In_Percent_Of_Cycle=10.00
If the voltage change from one cycle to the next exceeds the selected threshold, for the selected
duration or longer, your PQube will trigger a Waveshape Change.
Temperature/Humidity Triggers
In Firmware 2.1, you can trigger temperature and humidity events with a TH1 probe. Each event
recording is complete with magnitude, duration, and timestamp. Specify upper and lower
thresholds for temperature and/or humidity.
Your PQube will send two email notifications:
1. When the temperature/humidity
first exceeds the threshold, your
PQube will send you a notification
for an Incomplete Event. It will
include the start time and the trigger
threshold.
2. You will receive a second email when
the temperature/humidity comes
back within the threshold, plus
hysteresis. It will include the
timestamp, maximum or minimum
value during the event, and duration.
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