Function

Function description

Function provide

Measurement of kWh

Active kWh (positive and negative)

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Reactive kWh (positive and negative)

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A, B, C phase positive active kWh

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Measurement of electrical parameters

U、I、P、Q、S、PF、F

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Measurement of

2~31ST Voltage and current harmonic

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LCD Display

8 bits section LCD display, background light

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Key programming

4 keys to communication and set parameters

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Pulse output

Active pulse output

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Reactive pulse output

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Clock pulse output

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Multi-tariff and functions

Active switch input

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Switch output

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

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Max demanded kWh and time happened

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Frozen data on last 48 months, last 90days

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Date, time

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Communication

Infrared communication

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The first communication path: Communication interface: RS485, Communication protocol: MODBUS-RTU

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The second communication path: Communication interface: RS485, Communication protocol: MODBUS-RTU

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Temperature measurement

Support 3 outlay NTC temperature

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Specification

3 phase 3 wires, 3 phase 4 wires

Voltage

Reference voltage

3×100V、 3×380V、3×57.7/100V、 3×220/380V

Consumption

<10VA(Single phase)

Impedance

>2MΩ

Accuracy class

Error±0.2%

Current

Input current

3×1(6)A (second connection with CTs’ cable already on site via external CTs of ADL3000-E/CT)

3×10(100)A (first connection with 3-phase load line via external CTs of ADL3000-E/CT)

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%

Temperature

-40℃～99℃

Energy

Active energy (Accuracy class:0.5, 1), reactive energy(Accuracy class 2)

Clock

≤0.5s/d

Energy pulse output

1 active optocoupler output, 1 reactive optocoupler output

Switching output

1 Switching output

Switching input

1 optocoupler input

Width of pulse

80±20ms

Pulse constant

6400imp/kWh,400imp/kWh(Correspond with the basic current)

Interface and communication

RS485：Modbus RTU

Range of communication address

Modbus RTU:1~ 247；

Baud rate

1200bps~19200bps

Relative temperature

-25℃~+55℃

Relative humidity

≤95℅(No condensation)