Pulse Input; Pulse For Demand Monitor Input - Panasonic KW1M-H User Manual

Cut-off current
Special Cut-off voltage
functions
Current threshold for
hour meter
Indication accuracy
Accuracy
(without error
in CT and VT)
Temperature
characteristics
Frequency
characteristics

8.2.2 Pulse input

Input mode
Max. counting speed
Pulse input
Input signal
Output mode
Decimal point
Prescale
Range
*1 When 'P-THR' is selected on Unit for pulse output setting mode, this is fixed to 50Hz.

8.2.3 Pulse for demand monitor input

Input method
Pulse constant number
Min. input signal width
Pulse rate
1.0 to 50.0%F.S (Set with setting mode)
Below 5% of rating voltage
(Rating voltage x 0.05 x VT ratio) (Fixed)
1.0 to 100.0％F.S.
Instantaneous electric power / Integrated electric power /
Electricity charge / Conversion value
Within ± (2.0 % F.S. + 1 digit)
(at 20 °C, rated input, rated frequency, power factor 1)
In case of 5 A CT mode, within ± (2.5 % F.S. + 1 digit)
*Accuracy coverage:5 to 100% of rated current
Current
Within ± (1.0 % F.S. + 1 digit)
In case of 5 A CT mode, within ± (2.5 % F.S. + 1 digit)
(at 20 °C rated input, rated frequency, power factor 1)
*Accuracy coverage: 5 to 100 % of rated current
Voltage
Within ± (1.0 % F.S. + 1 digit)
(at 20 °C rated input, rated frequency, power factor 1)
Hour meter
±(0.01％+1digit) (at 20℃)
In case power on start or current energizing
±(0.01％+1s+1 digit) (at 20℃)
Within ± (1.0 % F.S.+ 1 digit)
In case of 5 A CT mode, within ± (1.5 % F.S. + 1 digit)
(Range of -10 to 50 °C, rated input, power factor 1)
Within ± (1.0 % F.S. + 1 digit)
In case of 5 A CT mode, within ± (1.5 % F.S. + 1 digit)
(Frequency change ± 5 % based on rated frequency,
rated input, power factor 1)
Addition (Fixed)
2kHz /30Hz (Select with setting mode) *1
Min. input signal width:
0.25ms (When 2kHz selected) /16.7ms (When 30Hz selected)
ON:OFF ratio = 1 : 1
Contact / No contact (open collector)
・Impedance when shorted: Max. 1kΩ
・Residual voltage when shorted: Max. 2V
・Impedance when open: Min. 100kΩ
HOLD (Over count)
under 3-digit
0.001 to 100.000 (Set with setting mode)
Non-voltage pulse input or open-collector input
50,000(pulse/kWh) / 2,000(pulse/kWh)
0.25ms (When 2kHz selected) /16.7ms (When 30Hz selected)
0.001 to 100.000 kWh/1pulse
72
KW1M-H Eco-POWER METER
Monthly accuracy: ±260 sec.(for your reference)