Circutor CVM-C5 Series, Instruction Manual

Page: 47 / 54

5�- TECHNICAL FEATURES
AC Power supply
Rated voltage 95���240V~±10%
Frequency 50���60Hz
Consumption
3�5���6VA
Installation category CATIII300V
DC Power supply
Rated voltage
105���272V ±10%
Consumption 2���6W
Installation category CATIII300V
Voltage measurement circuit
Nominal voltage (Un) 300V
P-N
,520V
P-P
Voltage measurement margin 5���120%Un
Frequency measurement margin 45���65Hz
Input impedance 440kΩ
Min� voltage measurement (Vstart) 10V
P-N
Installation category CATIII300V
Current measurement circuit
Model CVM-C5-ITF-485 CVM-C5-MC-485 CVM-C5-mV-485
Nominal current (In)
���/5Ao���/1A ���/0�250A ���/0�333A
Current measurement margin 5���110%In 5���110%In 5���110%In
Maximum current, impulse < 1s 100A 100A 1�2In
Minimum current measurement
(Istart)
10mA
MC1 MC3
6�66mA
0�25A 0�12A
Installation Category CATIII300V CATIII300V CATIII300V
Measurement accuracy
Model CVM-C5-ITF-485 CVM-C5-MC-485 CVM-C5-mV-485
Voltage measurement 0�5% 0�5% 1%
Current measurement 0�5% ± 1 digit 0�5% ± 1 digit 1%
Power measurement 1% ± 1 digit 1% ± 1 digit 2%
Active energy measurement Class1 Class1 Class2
Reactive energy measurement Class1 Class1 Class2
Communications
Bus RS-485
Protocol ModbusRTU
Baud rate 1200-2400-4800-9600-19200
Stop bits 1-2
Parity without-even-odd
Pulse output ( CVM-C5-xxx-RS485-C)
(1)
Type
NPN
Maximum voltage
24V
Maximum current 50mA
Maximum frequency 5pulses/sec
47 Instruction Manual
CVM-C5-xxx-485