DIN Rail Kwh Meter Single Phase

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Description

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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.

1?Main 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.

2?Specification 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

3?Main 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	>500kO
	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	<20mO
	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