Introduction

Consist of measuring unit, data processing unit, communication unit, display unit, etc.

Measure DC voltage, current, power, and measure active energy;

Optional time-sharing multi-rate energy metering function, supports up to 4 rates, two sets of rate period switching,

LCD display with backlight, which supports rich status indication and Chinese character auxiliary information prompts;

With one RS-485 communication interface, support DL/T645-2007 and Modbus protocol;

Hardware platform

SOC：Renergy RN8211B

Application

It is suitable for power measurement and energy measurement of DC signal equipment such as charging piles, batteries, 

solar panels, etc. It can also be used in modern supply and distribution DC power systems such as industrial and mining 

enterprises, civil buildings, and building automation.

Cooperation mode

Schematic diagram, PCB diagram and BOM signing are free of charge,
Intellectual property and source code are optional

Service

PCB modification, Function customization

Technical parameter

Accuracy class:B

Nominal voltage:DC100V、DC300V、DC500V、DC1000V

Current rating:100A, 200A, 300A, 500A, etc. can be set, using external 75mV shunt input

Pulse constant:1000，2000 imp/kWh

Frequency:/

Communication protocol:DL/T 645-2007, MODbus

Working temperature:–25 ℃～55 ℃

Working temperature limit:–40 ℃～70 ℃

Operating range limit:0.8Unom～1.15Unom

Power Consumption:In non communication state, the voltage line shall not be greater than 1.5W and 8VA