10.2 Basic Specifications
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Chapter 10 Specifications
Data update interval 50 ms
LPF OFF/500 Hz/5 kHz/100 kHz (selectable for each wiring system)
500 Hz Accuracy defined under 60 Hz, add ±0.1% f.s.
5 kHz Accuracy defined under 500 Hz
100 kHz Accuracy defined under 20 kHz, add 1% rdg. from 10 kHz to 20 kHz
Polarity discrimination Voltage/current zero-crossing timing comparison method
Zero-crossing filter provided by digital LPF
Measurement items Voltage (U), Current (I), active power (P), apparent power (S), reactive power (Q), power factor (),
phase angle (), frequency (f), efficiency (), loss (Loss), voltage ripple factor (Urf), current ripple factor
(Irf), current integration (Ih), power integration (WP), peak voltage (Upk), peak current (Ipk)
1. Power Measurement Input Specifications
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