DTSD1352-C Din-rail 3-phase Programmable energy meter

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, 3×1(6)A(Outlay transformer), 3×10(80)A, 3×10(100)A(Outlay transformer)

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, Maximum allowed voltage: DC/AC 220V

Switching input

1 optocoupler input, Maximum allowed voltage: DC/AC 220V

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)

Function

Function description

Function provide

Measurement of kWh

Active kWh (positive and negative)

■

Reactive kWh (positive and negative)

■

A, B, C phase positive active kWh

■

Measurement of electrical parameters

U, IP, Q, S, PF, F

■

■

Measurement of

2~31^ST Voltage and current harmonic

■

LCD Display

8 bits section LCD display, background light

■

Key programming

4 keys to communication and set parameters

■

Pulse output

Active pulse output

■

Reactive pulse output

□Note 1

Clock pulse output

□Note 1

Multi-tariff and functions

Active switch input

□Note2

Switch output

□Note 2

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

□

Max demanded kWh and time happened

□

Frozen data on last 48 months, last 90days

□

Date, time

□

Communication

Infrared communication

■

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

□

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

□Note 2

Temperature measurement

Support 3 outlay NTC temperature

□Note 3