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STS keypad prepayment energy meter

Product description:
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Application

DDSYP3533 is a new type of keypad prepayment meter. Customer purchases energy by the vending network to get a serial number (named as "TOKEN"), and then use the keypad of meter to enter the TOKEN. The credit data will be entered into the meter after the TOKEN being accepted. The TOKEN contains 20 digits and is encrypted. For the purchasing method reason, the meter also named as "Keypad meter”. It complies with open standard STS.

Feature

Payment by 20 digits token

Alarm when low energy/overload/fraud.

With RS485 and optical communication functions for reading meter and setting parameters.

Open terminal cover detection alarm.

Technical parameters

Specification		DDSYP3533	DTSYP3533
Accuracy	Active	Class1.0	Class1.0
Accuracy	Reactive		Optional
Voltage	Rated	220/230/240V	3x57.7/100V,3x220/380V 3x230/400V,3x240/415V
	Range	0.9Un~1.1Un	0.9Un~1.1Un
	Limit	0.8Un~1.2Un	0.8Un~1.2Un
Frequency		50/60Hz	50/60Hz
Current	Range	5(20)A ,5(25)A ,5(30)A,5(32)A	3x1.5(6), 3x 5(30), 3x 10(50), 3x 15(90), 3x 20(100), 3x 5(40), 3x 5(100)A
Starting Current		0.4%Ib	0.4%Ib
Constant	Active	1600imp/kWh	400imp/kWh
Constant	Reactive	\	\
Display	Type	LCD	LCD
Display	Digit	6+2	6+2
Power Consumption	Voltage Circuit	≤0.8W,10VA	≤0.8W,10VA
Power Consumption	Current Circuit	≤4VA	≤4VA
Communication Interface	Interface	Optical/Infrared/RS485 (Optional)	Optical/Infrared/RS485 (Optional)
Communication Interface	Protocol	MODBUS,DLT/645,IEC1107	MODBUS,DLT/645,IEC1107
Temperature	Working Temperature	-45℃~+55℃	-45℃~+55℃
Temperature	Storage Temperature	-40℃~+70℃	-40℃~+70℃
Humidity		≤90%	≤90%
Protection		IP54	IP54