82
────────────────────────────────────────────────────
7.3 Comparator Output
────────────────────────────────────────────────────
Relay rate
30 Vmax, 0.5 Amax
Minimum application load
10 mA, 10 mV
Mechanical life
Approx. 100,000,000 times
Electrical life
Approx. 500,000 times
NOTE
Voltage, current, active
power, apparent power,
power factor, phase angle,
current peak
Response
FAST (0.2 to 0.3s)+0.4s=0.6 to 0.7s
SLOW (5 to 15s)+0.4 s=5.4 to 15.4s
Frequency
The longer cycle of measurement frequency cycle× 2,
or 2 display changes (0.4s).
Integrated value
The current at the beginning of integration or the
same waiting time as active power.
7.3 Comparator Output
When the comparator function is ON, either HI, IN or LO is conducted to
COM, depending on the decision results of the comparator. When the
comparator function is OFF, neither HI, IN, nor LO is conducted.
Comparator decisions are made during display updates (approx. 5 times
/sec.).
However, it is necessary to wait until display becomes stable after inputting
the measurement signal to carry out a real decision because of the
relationship between 3332 analog response and display switching (analog
output response time + 2 times display switching (approx. 0.4 seconds.)).
However, because the time to reach a steady decision level can vary due to
load and power fluctuations, we recommend that an appropriate wait time be
determined by experimentation with actual measurements.
Wait time (estimated)
When the COMPHOLD1 terminal is set to LO, the relay output of
comparator CH1 is put in the Hold state. During this time, decisions are not
made by the comparator.
For the COMPHOLD2 terminal, the output for CH2 is put in the Hold state.