Acrel DDSY1352 Manuale utente

T181

DDSY1352 /DTSY1352

Operation Manual of wireless prepaid

watt-hour meter

Installation and operation instruction T1.0

ACREL Co,.Ltd

Declare

The copyright is the property of Acrel. Any information in any

paragraph or section cannot be extracted, copied or otherwise reproduced

or propagated. Otherwise offenders shall take all consequences.

All rights are reserved.

Acrel reserves the right to modify the product specifications herein

without notification. Please consult the local agent about the latest

specifications before placing a purchase order.

Record of amendments to specifications

Date

The old

version

New Edition

Modify the content

2021.6.25

T1.0

First time writing

Content

1General.........................................................................................................................................1

2Type description......................................................................................................................... 1

3Instrument function...................................................................................................................2

4Technical parameter...................................................................................................................3

5Dimension drawings (Unit: mm)............................................................................................. 4

6Wiring and installing.................................................................................................................. 6

7Operation and display................................................................................................................8

8Communication protocol requirements............................................................................... 11

1General

DDSY1352 single phase wireless prepaid watt-hour meter,DTSY1352 three phase wireless

prepaid watt-hour meter are used for calculating the single and three phase active energy

respectively on the frequency of 50 Hz. The meter has functions of pre-paid, load controlling, time

control and NB,2G,4G,RS485 communication etc.Products meet the Enterprise Standard

Q31/0114000129c039-2019 《Enterprise Standard for electronic prepayment watt-hour meter 》

requirements.

2Type description

3Instrument function

3.1 Main function

Function name

Function description

DDSY1352

DTSY1352

Measurement of

kWh

Active kWh (positive and negative)

■

A, B, C phase positive active kWh

■

Measurement

of electrical

parameter

U、I

P、Q、S、PF、F

■

LCD Display

8 bits section LCD display,

background light

■

Key

programming

4 keys to communication and set

parameters

■

Pulse output

Active pulse output

■

LED alarm

TRIP alarm

■

Multi-tariff and

functions

Adapt 4 time zones, 2 time interval

lists, 14 time interval by day and 4

tariff rates

□

Max demanded kWh and time

happened

□

Real time demanded

□

Historical freeze, power purchases,

□

Date, time，week

□

Communicatio

Infrared communication

■

Communication path:

Communication interface: RS485,

Communication protocol:

MODBUS-RTU

■

2G Communication

□

4G Communication

□

NB Communication

□

Prepayment

agreement

(remote)

Prepaid control

■

Time control

■

Load control

■

Forced control

■

(“■” means standard, “□” means optional)

Note: prepaid function should be used with the company’s prepaid sales management system.

3.2 Control function

3.2.1 Prepaid control

Instrument support pre-payment function.Can set the basic amount of electricity meter free

trial;Can carry on four levels alarm to the remaining amount: insufficient balance alarm (first

level) , pre-trip alarm (second level) , arrearage alarm (third level) , reach the credit limit (fourth

level) alarm.

3.2.2 Time Management Control

Instrumentation support time management control.The day can be set to working day or holiday

mode, up to a maximum of 8 time periods per day, each time period can be set to turn-on or

turn-off state.

3.2.3 Load Management Control

Instrument Support Load Management Control, specific functions as follows:

Load total power limit: limit the maximum power consumption of the branch, when the

branch power exceeds the set value, the branch trip.

Malignant load identification: limit the branch access to the undefined malignant load, when

the branch access to the unauthorized malignant load (mainly manifested as a large power

increment and a large increment factor) , the branch trip.

4Technical parameter

4.1 Electrical characteristics

Projects

DDSY1352

DTSY1352

Specification

Measur

ement

voltage

Reference

voltage

220V

3×220/380V

Consumption

<10VA(Single phase)

Impedance

>2MΩ

Accuracy class

Error±0.2%

current

Input current

10(60)A

3×1(6)A，3×10(80)A

Consumption

<4VA(Single phase rated current)

Accuracy class

Error±0.2%

Power

Active, reactive, apparent power, error±0.5℅

Frequency

45～65Hz，Error±0.2%

meter

amount

Energy

Active energy(Accuracy

class:1)

Active energy(Accuracy

class:0.5)

Clock

≤0.5s/d

number

signal

Energy pulse output

1 active optocoupler output

Switching output

1 Switching output

2 Switching output

pulse

Width of pulse

80±20ms

Pulse constant

1600imp/kWh

6400imp/kWh,400imp/kWh

commu

nicatio

485

Interface and

communication

RS485：Modbus RTU

Range of

communication

address

Modbus RTU:1~ 247

Baud rate

1200bps~19200bps

Working band

GSM 850，EGSM 900，DCS 1800，PCS 1900

Transmission rate

GSM (Max.): 85.6 kbps (DL) / 85.6 kbps (UL)

Working band

GSM 990/1800 MHZ LTE-FDD B1/B3/B5/B8

LTE-TDD B34/B38/B39/B40/B41

Transmission rate

LTE-FDD: 10 kbps (DL) / 5 kbps (UL)

Working band

Cat NB2：B3/B5/B8/B20/B28

Transmission rate

LTE Cat NB1 (Max.): 25.5 kbps (DL) / 62.5 kbps (UL)

LTE Cat NB2 (Max.): 127 kbps (DL) / 158.5 kbps (UL)

Environ

ment

Relative temperature

-25℃~+55℃

Storage temperature

-40℃~+70℃

Relative humidity

≤95℅(No condensation)

Altitude

<2000m

5Dimension drawings (Unit: mm)

DDSY1352

derect connect

DTSY1352

derect connect

connect via CT

Note：The torque of direct connect should not be greater than 4.0N·m，and the torque of connect

via CT should not be greater than 2.0N·m。

6Wiring and installing

Wiring sample of voltage and current

DDSY1352

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