CIRCUTOR CVM-B Series - Manual (Page 306)

(Continuation) Accuracy of measurements (in accordance with the IeC 61557-12 standard for
PMD SD/SS)
���/5A ���/1A ���/0�250A
Active energy measurement
(IEC 62053-22)
Class 0.5S Class 1 Class 1
Reactive energy measurement
(IEC 62053-23)
Class 1 Class 2 Class 2
frequency measurement Class 0.1 Class 0.1 Class 0.1
Power factor measurement Class 0.5 Class 0.5 Class 0.5
Voltage THD measurement Class 1 Class 1 Class 1
Voltage harmonics (up to 40th order) Class 1 Class 1 Class 1
Current THD measurement Class 1 Class 2 Class 2
Current harmonics (up to 40th order) Class 1 Class 2 Class 2
Transistor digital outputs
Quantity 2
Type Transistor
Maximum voltage 48V
Maximum current 130 mA
Maximum frequency 1 KHz
Pulse width 1 ms
Pulse duration (Ton / Toff) 0.3 ms / 0.7 ms
Relay digital outputs
Quantity 2
Maximum voltage, open contacts 250 V ~
Maximum current 6 A
Maximum switching power 1500 W (AC1)
electrical working life (at full load) 3x10 4 cycles
Mechanical working life 1x10 7 cycles
Digital inputs
Quantity 2
Type Potential-free contact
Insulation 4 KV
Maximum short-circuit current 5 mA
Maximum voltage in open circuit
15 V
Modbus Communications
field bus RS-485
Communications protocol Modbus RTU
Speed 9600 - 19200 - 38400-57600-76800-115200
Stop bits 1 - 2
Parity none - even - odd
BACnet communications
field bus MS/TP
Communications protocol BACnet
Speed 9600 - 19200 - 38400-57600-76800-115200
Stop bits 1
Parity no parity
306
CVM-B100 - CVM-B150
Instruction Manual