Single Phase RS485/LoRaWAN/CAT.1 Modbus DIN Rail Smart Prepaid Digital Energy Meter

• Product Selection Table

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• Product Overview

​DDZY2397 single-phase fee controlled smart energy meter (single-phase IoT energy meter (din rail) is a full-digital intelligent energy meter developed by our company. It adopts a SOC highly integrated chip. In addition to the active energy metering function, it also has multiple functions such as online power display, intelligent anti-theft electricity, overload control, and remote centralized meter reading. The data

• Functions and features

​1. Measuring positive and negative active energy. It can measure, store, and display the operating parameters and status of the current electric energy meter such as voltage, current, power, power factor, frequency, etc. With overload protection function;

2. Remote power off and power transmission function: send a command of power off through RS485/LoRaWAN/Cat.1(4G) and other communication methods to cut off the user load circuit. Or send a command of power transmission to connect the user load circuit;

3. Active upload/two-way transparent transmission function: actively upload data to the corresponding platform through the LoRaWAN/Cat.1 (4G) wireless network, the default interval is 4 hours (settable);

4. The communication protocol conforms to DL/T645-2007 "Communication Protocol for Multi-function Electric Energy Meter";

• Specifications & technical parameters​

Standards	IEC62053-21, DL/T645-2007
Rated voltage (Un)	220V
Operating voltage range	80% ～120%(rated voltage)
Rated current limit (Ib)	5A
Maximum current (Imax)	60A
Active measurement accuracy	Class 2/A,Class 1/B
Grid frequency	50Hz/60Hz
Active pulse constant	1200(imp/kWh)
Power consumption	＜1.0W
Starting current	≤0.004Ib
LoRaWAN frequency	CN470,RU864,IN865,EU868,US/AU915,KR920,AS923_1/2/3/4, Custom Channels
Dimension	89mm×76mm×75mm
Operating life	＞10 years
Normal operating range	-10℃～ +45℃；
Extreme operating range	-25℃～ +55℃；
Transportation & storage range	-40℃～ +70℃
Relative humidity	Generally not greater than 85% RH. Within 30 days of a year(naturally distributed), sometimes reaching 95% RH.

• Display Description​

After powering on, the LCD screen will fully display for 3 seconds. Then display the current active electrical energy and current active power alternately.

• Wiring diagram

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The main terminal wiring is shown in the left figure,

【1】Phase Line In

【2】Phase Line Out

【3】Zero Line In

【4】Zero Line Out.

There are 4 auxiliary terminals on the opposite side of the main terminal of the electric energy meter,

⑥⑤is metering pulse output

③④is 485 communication.

• Overall dimension (unit: mm)

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Wuhan Time Wave Network Technology Co., Ltd realizes the energy supervision service platform based on the LPWAN core technology.provide customers with one-stop overall solutions and metering terminal,system platform, project construction and system maintenance.

We developed the "TimeWave Cloud" energy regulatory platform. It is mainly used for metering, meter reading, charging, management and control of water, electricity and heat. It can realize and provide automatic meter reading and charging, carbon emission monitoring, safe power consumption, energy consumption analysis, energy saving analysis, distribution and transformation monitoring, dynamic environment monitoring of machine room, intelligent operation and maintenance and other subsystems. And independently developed and produced "TimeWave" Smart meter, intelligent water meter and communication terminal products.

The management of water and electricity meters through LoRaWan communication technology has reached the international advanced level and is in the leading position in China!

• Office environment

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• Honors qualification​

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Wuhan TimeWave,as a high-tech enterprise,a "double software enterprise" and a "Little giant of science and technology " enterprise in Hubei Province, the company has successively obtained 5 invention patents, 26 software copyrights, and 4 software products.and has obtained ISO9001 quality management system, ISO20000 IT service management system, ISO27001 information security management system and intellectual property management system certification,chairman xu chen won the title of "3551 optical valley talent plan" In 2021.

We realizes the energy supervision service platform based on the LPWAN core technology.Provide customers with one-stop overall solutions and metering terminal,system platform, project construction and system maintenance.

In the future, the company will continue to expand the application of " TimeWave Cloud " energy regulatory platform in various industries in the field of LPWAN Internet of things. We are committed to solving the problems of meter reading, charging, payment, energy saving and improving efficiency and safe energy use, and continue to create the maximum value for customers.