Specifications

432E2280.fm/3
9 mars 2004
Power-monitoring units
Power Meter Series PM9
Functions and characteristics (cont.)
Selection guide PM9P PM9C
General
Use on LV systems only 1P + N, 3P, 3P + N bb
Current and voltage accuracy 0.5 % 0.5 %
Energy and power accuracy 2 % 2 %
Direct voltage connection 450 V 450 V
Instantaneous rms values
Current 3 phases and neutral bb
Voltage Phase-to-neutral
and phase-to-phase
bb
Frequency bb
Active and reactive power Total and per phase bb
Apparent power Total bb
Power factor Total bb
Energy values
Active energy 2 quadrants bb
Reactive energy 2 quadrants bb
Demand values
Active, reactive, apparent power Present and max. values bb
Other measurements
Hour counter bb
Display and I/O
Backlit LCD display bb
Pulse output 1 -
Communication
RS 485 port - b
Modbus protocol - b