Metering – Rockwell Automation 1403-DM_LM_MM Powermonitor II Instruction Sheet User Manual
Page 47
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General Operation
4-11
1403-IN001A-US-P
Metering
Voltage/Current
Table 4.4 displays the Voltage and Current Metering
information provided by the Powermonitor II. The
gray scale indicates which parameters are available
through the Display Module, the Smart
Communication Card, or both.
Display Module and Smart Communication Card
Display Module Only
Smart Communication Card Only
Table 4.4 Voltage and Current Metering
Parameter
Description
Range
Units
Phase 1 L-N Voltage
RMS line to neutral voltage of phase 1.
0 to 999.9x10
22
Volts
Phase 2 L-N Voltage
RMS line to neutral voltage of phase 2.
0 to 999.9x10
22
Volts
Phase 3 L-N Voltage
RMS line to neutral voltage of phase 3.
0 to 999.9x10
22
Volts
3-Phase Average L-N Voltage Average RMS line to neutral voltage of phase 1, 2, and 3. 0 to 999.9x10
22
Volts
Phase 1 L-L Voltage
RMS line to line voltage between phase 1 and 2.
0 to 999.9x10
22
Volts
Phase 2 L-L Voltage
RMS line to line voltage between phase 2 and 3.
0 to 999.9x10
22
Volts
Phase 3 L-L Voltage
RMS line to line voltage between phase 3 and 1.
0 to 999.9x10
22
Volts
3-Phase L-L Voltage
Average RMS line to line voltage between phase 1, 2, and
3.
0 to 999.9x10
22
Volts
Auxiliary Voltage
(1)
AC or DC auxiliary voltage input RMS voltage.
0 to 999.9x10
22
Volts
Phase 1 Current
RMS current of phase 1.
0 to 999.9x10
22
Amps
Phase 2 Current
RMS current of phase 2.
0 to 999.9x10
22
Amps
Phase 3 Current
RMS current of phase 3.
0 to 999.9x10
22
Amps
3-Phase Average Current
Average RMS current of phase 1, 2, and 3.
0 to 999.9x10
22
Amps
Phase 4 (Neutral) Current
RMS current of phase 4, also known as neutral current.
0 to 999.9x10
22
Amps
Frequency
The frequency of the voltage.
0 to 132
Hertz
Phase Rotation
The phase rotation of a 3-phase system
None
ABC
ACB
N/A
Voltage Positive Sequence
Magnitude of positive sequence voltage in a 3-phase
system.
0 to 999.9x10
22
Volts
Voltage Negative Sequence
Magnitude of negative sequence voltage in a 3-phase
system.
0 to 999.9x10
22
Volts
Current Positive Sequence
Magnitude of positive sequence current in a 3-phase
system.
0 to 999.9x10
22
Amps
Current Negative Sequence
Magnitude of negative sequence current in a 3-phase
system.
0 to 999.9x10
22
Amps
Voltage Unbalance
The ratio between the negative and positive voltage
sequence in a 3-phase system.
0 to 100
Percent
Current Unbalance
The ratio between the negative and positive current
sequence in a 3-phase system.
0 to 100
Percent
(1) The frequency of an AC auxillary voltage is returned with the self-test/diagnostic information as described on page 4-31.