Chint DDSU666 Mono. Energy Meter for SAJ invertes

Input signal

Voltage

Wiring mode

Single phase

Voltage specification

AC 220V

Specified working voltage range

0.9Un~1.1Un; the extensional work    voltage range: 0.8Un~1.2Un

Consumption of the voltage circuit

≤5VA/1W

Resistance

>500kΩ

Current

Rated value

Input via CT/PT: AC1.5(6)A
     Direct input: AC5(60)A/AC 5(80)A

Overload Current

Input via CT/PT: instant:201max, time of application is 0.5s
     Direct input: instant:301max, time of    application: half cycle of the rated frequency

Consumption of the current circuit

≤2VA

Resistance

<20mΩ

Frequency

Input range

(50/60±5%)Hz

Clock

Clock battery capacity

≥1200mAh

Clock accuracy class(daily error)

<0.5s/d(23℃)

Output

Display

Segment LCD

Measurement parameters and grade

Voltage   Class 0.5; Current   Class 0.5;  Power factor Class 1;
     Frequency  Class 0.5; Active power  Class 1;  Reactive power Class 1;
     Active energy Class 1;

Energy

Multi-rate energy

Support multi-rate measurement of passive, negative total active power

Max. demand record

Support Max. demand record of passive,    negative total active power, demand interval and slip time can be set

Pulse constant

AC200V

AC1.5(6)A

6400imp/kWh

AC220V

AC5(60)A/AC5(80)A

800imp/kWh

Pulse signal output

Provide 1 set(active energy) optical signal and optocoupler isolated open collector electrical signal pulse output, pulse length:80ms±16ms

Communication

RS485 communication

Support or DL/T645-2007 communication    protocol, customizable MODBUS-RTU communication protocol, the communication baud rate 1200bps, 2400bps,4800bps,9600bps can be set, assumed to be 2400bps

IR communication

Support DL/T645-2007 communication protocol,

customizable for MODBUS-RTU communication 

protocol,

Infrared wave length:900nm~1000nm

Communication baud rate: 1200bp

Communication angle: ≥±15°

Communication distance: ≥4m