Function

Function description

Function provide

Measurement of kWh

Active kWh (positive and negative)

■

Reactive kWh (positive andnegative)

■

A. B, C split phase positive active energy

■

Measurement of electrical parameters

U、I

■

P、Q、S、PF、F

■

Measurement of harmonics

2~31ST Voltage and current

■

harmonic

LCD Display

12 bits section LCD display,

■

background light

Key programming

3 keys to communication and set

■

parameters

Pulse output

Active pulse output

■

Multi-tariff and functions

Adapt 4 time zones, 2 time interval lists, 14 time interval by day and 4

tariff rates

□

Max demand and occurrence time

□

Frozen data on last 48 months, last

□

90days

Date, time

□

Communication

Communication interface: RS485, Communication protocol:

MODBUS-RTU

■

Project

Performance Parameter

Specification

3 phase 3 wires

3 phase 4 wires

Measurement

Voltage

Reference

3×100V 、 3×380V

3×57.7/100V 、 3×220/380V

voltage

Voltage range

3×100V - 3×450V

3×57.7/100V - 3×260/450V

Consumption

<10VA(Single phase)

Impedance

>2MΩ

Accuracy class

Error±0.2%

Current

Input current

3×1(6)A， 3×10(80)A

Consumption

<1VA Single phase rated current

Accuracy class

Error±0.2%

Power

Active, reactive, apparent power, error±0.5℅

Frequency

45～65Hz，Error±0.2%

Mete ring

Energy

Active energy(Accuracy class: 0.5); reactive energy(Accuracy class 2)

Clock

≤0.5s/d

Digit

Energy pulse output

1 active photocoupler output

signal

pulse

Width of pulse

80±20ms

Pulse constant

400imp/kWh,10000imp/kWh(Correspond with the basic current)

communication

Interface and
communication protocol

RS485：Modbus RTU

Range of communication address

Modbus RTU:1~ 247；

Baud rate

1200bps~38400bps

environment

working temperature

-25℃~+55℃

Relative humidity

≤95℅(No condensation)

Relative humidity

≤95℅(No condensation)