PQube User Manual 2.1
Page 43 of 113
Peak demand: These three meters show the cycle-by-cycle highest kilowatt reading; the 1-
minute interval with the highest RMS kilowatt reading; and the N-minute interval with the
highest kilowatt reading. The N-minute reading is usually set to 15 minutes, but you can set
it to a value between 3 minutes and 60 minutes in your Setup.ini file. The 1-minute and N-
minute readings are automatically synchronized to your PQube’s real time clock. You can
reset these meters by holding down the select button for 3 seconds. The date of the last
reset will appear on the screen.
Peak VA: These three meters show the cycle-by-cycle highest volt-amp reading; the 1-
minute interval with the highest RMS volt-amp reading; and the N-minute interval with the
highest volt-amp reading. The N-minute reading is usually set to 15 minutes, but you can
set it to a value between 3 minutes and 60 minutes in your Setup.ini file. The 1-minute and
N-minute readings are automatically synchronized to your PQube’s real time clock. You can
reset these meters by holding down the select button for 3 seconds. The date of the last
reset will appear on the screen.
L1, L2, L3 Harmonics: Use these screens to view the magnitude and angle of every
harmonic up to the 50
th
for both voltage and current. Select one harmonic at a time. The
selected harmonic on one channel will also appear on the other channels. (Harmonic values
up to the 63
rd
are recorded in your PQube’s CSV files.)
PQube Status: This screen shows you the release version of your PQube’s firmware and the
release version of your ETH1 Ethernet Module’s firmware if it is installed. It also shows you
the temperature of the hottest CPU inside your PQube. A temperature lower than 80°C is
typical.
Battery: Your PQube’s battery voltage will typically be between 3.3V and 4.2 volts. Positive
current shows that your PQube is charging its battery; negative current shows that your
PQube is taking power from its battery. Cycle count shows the number of times your
PQube has taken power from this battery. You can reset the cycle count by holding down
the select button for 3 seconds. The date shows the last time the cycle count was reset.
Your PQube displays the 6 most recent events. (Your PQube stores up to 40,000 events on
its SD card, depending on the size of the SD card and the type of events.)
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