Features

Function Description

Energy metering

Total active energy, forward and reverse active energy, multi-rate active energy measurement

Electricity measurement

U、I

P、Q、S、PF、F

LCD display

8-digit segment LCD display, backlight display

Button programming

Key programmable communication, number of loops, single three-phase mode, external control mode and other parameters

Pulse output

Active pulse output

Multiple rate

Support 4 time zones, 2 time slots, 14 daily time slots, 4 rates

Date, time, day of the week

Main module communication

Infrared communication

Up to 3 channels of communication: RS485 interface，
Also support Modbus

Prepaid agreement (remote, radio frequency card)

Cost control (including forward active power and reverse active power)

Time control

Negative control (malignant load identification)

Strong control

Recharge record

20 Article

Function Description

Display method

LCD（Field）

Energy metering

Active energy metering（Forward and reverse），
Reactive power measurement（Forward and reverse），

Electricity measurement

Voltage, current (zero sequence current), power factor, frequency, active power, reactive power, apparent power

Harmonic function

Total harmonic content, sub-harmonic content (2～31 times)

Three-phase unbalance

Voltage and current unbalance

DI/DO

Main module 2DI2DO

Transformer access to the slave module 2DI4DO (direct access to the slave module without)

LED Instructions

Pulse light indication

Communication

Infrared communication

RS485 interface (main module) supports MODBUS

Historical power

Historical Electricity in Last December

technical parameter       model

ADF400L-□H□S□D(Y)- □

Auxiliary power

Voltage

Three-phase 3*220V/380V power supply (for single-phase power supply, short-circuit terminals 1, 2, and 3 on the instrument)

Power consumption

≤10W

Voltage input

Rated voltage

3×220/380V、3×57.7/100V、

Reference frequency

50Hz

Current input

Input Current

3×1(6)A(Instrument transformer access), 3*10 (80) (direct access)

Starting current

1‰Ib

Measuring performance

measurement accuracy

0.5s level

Clock accuracy

≤0.5s/d

Pulse

Pulse output

Each three-phase metering module has 1 active energy pulse

Pulse Width

80ms±20ms

Pulse constant

3×1(6)A specification 6400 imp/kWh

3×10(80)A specification 400 imp/kWh

Switch

Main module

Main module 2DI+2DO，Among them, DI is dry contact input

Slave module

Transformer access slave module 2DI+4DO，Among them, DI is 220V wet contact input

Communication

Infrared interface

Infrared communication

RS485 interface

MODBUS-RTU

Ethernet interface

Modbus-TCP、TCP/IP

Surroundings

temperature

Operating temperature：-20℃~+60℃，
storage temperature：-30℃~+70℃

humidity

≤95%RH，No condensation, no corrosive gas place

altitude

≤2000m