Introduction

1.Provide three-phase electrical parameters such as full-wave, fundamental-wave voltage, current, power, power factor, electric quantity and total electric quantity.

2.Provide event detection for three-phase overload, overcurrent, loss of current, overvoltage, undervoltage, loss of voltage, reverse sequence of voltage and current, unbalance, etc.

3.Provides 41th harmonic content data for three-phase voltage and current.

4.It has 1 TTL communication interface, communication protocol DL/T 645-2007 and MODBUS-RTU dual protocol.

5.With pulse indicator light and power pulse output interface.

6.Customizable alarm output for simultaneous monitoring of multiple electrical parameters.

7.Three-phase three-wire and three-phase four-wire hardware compatible, software adaptive.

8.The electric energy metering algorithm and electric energy metering calibration algorithm are embedded internally, being free of professional, tedious and complex development process.

Hardware platform

SOC: Renergy RN7326

Application

Suitable for electric power monitoring and electric energy metering products

Suitable for scenarios where customers have production systems and corresponding calibration equipment

Cooperation mode

Schematics, PCB diagrams, BOM contract free of charge, intellectual property, source code turn over optional

Service

PCB modification, function customization, design review, application support

Technical parameter

Active Accuracy Class：B

Voltage range：3*100V, 3*57.7/100V, 3*220/380V

Current range：0.2-0.5(60)A, 0.4-1(100)A

frequency：AC50Hz

temperature：measurable

carbon emission：yes

power factor：measurable

Pulse constant：1000imp/kWh

energy data storage：KWh, 6-digit integer, 3-digit decimal

Minimum energy variable：0.001kWh

Interface Type：Uart TTL 

communication protocol：DL/T 645-2007 and MODBUS-RTU

Data Format：Default N,8,1

Data refresh interval：≥250ms

baud rate：2400bps-19200bps, default 4800bps

indicator light：Pulse Indication (Red)/Power Indication (Blue)/Alarm Indication (Red)

Power supply：DC3.3V

Typical power consumption：≤10mA

Operating temperature：-40～+85℃