DIN Rail Kwh Meter Single Phase

DIN Rail Kwh Meter Single Phase

DSU666□series DIN Rail Kwh Meter Single Phase is designed for power monitoring and energy measurement such as power system, communication industry, construction industry, etc. to be a new generation of programmable intelligent...

Product Details

DDSU666 series DIN Rail Kwh Meter Single Phase

Summary: 

DSU666□series electronic energy meter is designed for power monitoring and energy measurement such as power system, communication industry, construction industry, etc. to be a new generation of programmable intelligent instrument, integrated with measurement and communication function, mainly used for real-time measurement and display for the electrical parameters such as voltage, current, active power, reactive power, frequency, power factor, energy in the electrical circuit, etc.


1Main functions and characteristics

◆DIN35mm standard DIN-Rail mount, with segment LCD display;

◆Measuring function: it is characterized with measurement for voltage, current, frequency, active power, power factor and active energy.

◆Communication function: RS485 communication interface, supporting DL/T645-2007 protocol, customizable for MODBUS-RTU protocol

◆Multi-rate function: it supports four rates including top, peak, flat and valley rate.


2Specification and model selection:

Product function

Model

DDSU666

DDSU666-E

DDSU666-D

DDSU666-F

Voltage input

Direct input

0.8Un~1.2Un

Current input

Direct  input

5(60)A

5(80)A

Input  via CT

_

1.5(6)A

Voltage, current, power, frequency, power factor


NO

YES

 

energy

Active energy

YES

Bidirectional    measurement

NO

YES

multi-rate(clock)

NO

YES

Others

Demand

NO

YES

Power pulse

YES

 

Communication

IR

NO

YES

RS485

YES

Display  mode

Single    line LCD, 6 bit

Single  line LCD, 7 bit

Dimension    L×W×H(mm) 36×85×66

2    modulus

76×89×74 4 modulus


3Main technical performance and  parameters

Technical parameters

Index

 

 

 

 

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


Note: 

1. The meter can only be the same as its corresponding technical performance and parameters;

2. The items remarked * is the optional items, which shall be specified by the customers while ordering.

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