RS485 Modbus Protocl Active Single Phase AC Grid Electricity Meter

DEM1A series

RS485 Modbus Protocl Active Single Phase AC Grid Electricity Meter

This is a rail-mounted single-phase two-wire electronic active energy metering device with RS485 communication, in line with the MODBUS-RTU protocol.

Its performance standard conforms to IEC 62052-11, IEC 62053-21 international standards of the class 1 single-phase active energy meter related technical requirements, can directly and

accurately measure the rated frequency of 50Hz-60Hz single-phase AC grid in the load of active energy consumption.

It is characterized by good reliability, small size, light weight, beautiful appearance and easy installation.

TechnicalParameters
Description
ConnectlonDiagram
MeterDimensions
ImpulseConnection
det6

Powering up the metering device by properly connecting it to a computer or a communicable device according to the

wiring diagram.

Initial address of the metering device to 1.

Broadcast address of 0.

Software Please use the debugging software provided by our company.

When writing operation, you must first press and hold the SET (set) button. (SET button is 9 in the wiring diagram above, press and hold it with a hard object when setting the meter address and power level.)

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Welcome To A National High-tech Enterprise

Established in 2000, Zhejiang Yongtailong Electronic Co., Ltd. is located in the center of Shanghai, Hangzhou and Suzhou cities. YTL is a professional China RS485 Modbus Protocl Active Single Phase AC Grid Electricity Meter Suppliers and RS485 Modbus Protocl Active Single Phase AC Grid Electricity Meter Company. With more than 20 years of energy metering experience, we devote ourselves to providing competitive projects and creating value for customers. YTL was one of the first companies in the domestic market with which had an internal R&D department as well as international sales business. Since our foundation in 2000 we have grown to a manufacturer which complies and meet to many specifications from our national and international partners. At present our export volume makes us a leading company for technology and product export to more than 50 countries throughout the world. With provincial high-tech enterprise R&D center, YTL is the Top 100-enterprise with most investment value in Zhejiang. And“Yongtailong”is the famous brand of Zhejiang. For any new products of customers, we will communicate with customers very professionally, listen to their opinions and give useful suggestions to ensure that excellent quality products are made.

2000

Established In
500+

Employees
60+

Export Country
500+

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Content	Parameters
Standard:	EN50470-1/3
Rated Voltage:	230V
Rated Current:	0,25-5(30)A,0,25-5(32)A,0,25-5(40)A,0,25-5(45)A, 0,25-5(50)A,0,25-5(60)A, 0,25-5(80)A,0,25-5(100)A
Impulse Constant:	1000 imp/kWh
Frequency:	50Hz/60Hz
Accuracy Class:	B
LCD Display:	LCD 5+2 = 99999.99kWh
Working Temperature:	-25～70℃
Storage Temperature:	-30~70℃
Power Consumption:	<12VA <1W
Average Humidity:	≤75% (Non Condensing)
Maximum Humidity:	≤95%
Start Current:	0.004Ib
Case Protection	IP51 indoor

Type	DEM1A001	DEM1A002	DEM1A102
Software Version	V101	V101	V101
CRC	5A8E	B6C9	6B8D
Impulse Constant	1000imp/kWh
Communication	N/A	RS485 Modbus/DLT645
Baud rate	N/A	9600\19200\38400\115200
SO output	SO1 is SO output for kWh(default) or Active/reactive forward kWh optional with variable constant 100-2500imp/kWh Divisible by 10000 SO2 is SO output for kvarh (default) or Active/reactive reverse kWh optional with variable constant 100-2500imp/kvarh Divisible by 10000	N/A
Pulse width	SO:100-1000:100ms SO:1250-2500:30ms	N/A
Backlight	Blue
Li-Battery	N/A		YES
Multi-tariff	N/A		YES
Measurement Mode	1-total =forward 2-Total=reverse 3-Total =forward +reverse (default) 4-Total=Forward-Reverse
Button	Touch button
Button function	Page turning, setting, information display
Default setting	1000imp/kWh,100ms 1000imp/kvarh,100ms		9600/NONE /8/1 9600/NONE /8/1
Measurement Mode setting	Button	RS485 or Button

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