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DTSD1352(DTSF1352) Three-phase Electronic Multifunctional Electric Energy Meter
Installation Instruction V1.0
Shanghai Acrel Co., Ltd.
Contents
1 Overview      2
2 Main Functions    2
3 Technical Parameters    2
4 Overall Dimension    3
5 Wiring and Installation    3
6 Operation and Display    4
7 Communication    7

1 Overview
DTSF1352 three-phase electronic electric energy meter and DTSD1352 three-phase electronic multifunctional electric energy meter are mainly used to measure three-phase active energy of low voltage network, with optional RS485 communication function, which facilitates users in electricity monitoring, centralized read and management. The product has high precision, small size and convenient installation, can be flexibly installed in the distribution box to realize the electric energy measurement, statistics and analysis of different loads in different areas. As the multifunctional electric energy meter, DTSD1352 can also be used to measure voltage, current, power, etc., as well as reactive power.
reactive to
2 Main Function
Function
Function description
DTSD1352
DTSF1352
Electric energy measurement
Active electric energy measurement(forward, reverse)
■
■
Reactive electric energy measurement (forward, reverse)
■
　
A, B, C split-phase forward active electric energy
■
　
Electricity measurement
U, I
■
■
P, Q, S, PF, F
■
　
LCD display
8-bit LCD display
■
■
Button programming
4 buttons can program parameters as communication, ratio of transformation, etc.
■
■
Pulse output
Active pulse output, clock pulse output
■
■
Reactive pulse output
□(Multiplex with clock)
　
LED alarm
Voltage loss and data verification failure alarm
■
■
Multi-rate and additional function
Support 4 time zones, 2 time intervals, 8 daily time intervals, 4 expense rates
□
□
Four maximum demands and occurrence time
□
　
Historical frozen data of last 12 months
□
□(No demand)
Date, time
□
□
Communication
RS485 interface, supporting Modbus, DL/T 645-07, DL/T 645-97 at the same time
□
□
(■: standard configuration; □: optional)
3 Technical Parameters
3.1 Electrical characteristics
Voltage input
Rated voltage
3×220/380V, 3×380V
Reference frequency
50Hz
Power consumption
<2VA(each phase)
Current input
Input current
1.5(6)A, 5(20)A, 10(40)A, 20(80)A
Starting current
0.004Ib
Power consumption
<1VA (maximum current)
Measurement performance
Standard conformity
GB/T 17215-2002
GB/T 17215.211-2006
GB/T 15284-2002
Measurement precision
Level 1.0(DTSF1352), Level 0.5S(DTSD1352)
Clock precision
Error≤0.5s/d
Pulse
Pulse width
80ms±20ms
Pulse constant
6400imp/kWh, 1600imp/kWh, 800imp/kWh, 400imp/kWh(corresponding with basic current)
Communication
Interface
RS485(A+, B-)
Medium
Shielded twisted pair
Protocol
MODBUS-RTU, DL/T 645-07, DL/T 645-97
3.2 Mechanical characteristics
Overall dimension
L×W×H
126mm×91mm×74mm (7 modulus)
Maximum connecting capacity
Flexible cable
16mm2
3. 3 Environmental conditions
Temperature range
Working temperature
-20℃~55℃
Storage temperature
-30℃~70℃
Humidity
≤95%(no condensation)
Altitude
<2000m
4 Overall Dimension (unit: mm)
Alarm/Phase sequence/Voltage loss/ Active/Reactive
Three-phase multifunctional electric energy meter
5 Wiring and Installation
Three-phase four-wire connected in through mutual inductor
Three-phase four-wire connected in directly
Three-phase three-wire connected in through mutual inductor
Three-phase three-wire connected in directly
Current pulse  Clock pulse
Communication and pulse output terminal
Note: 11, 12 are the multiplex terminal of clock and reactive pulse, and clock pulse output is default.
6 Operation and Display
6.1 Specification on button function
Button icon
Button name
Button function
Menu
Enter/exit of menu
Voltage and current
Up
View voltage and current in interface
Move left in programming interface and flicker shifting
Power
Down
View power in interface
Move right in programming interface and modify flicker
Electric energy
Programming confirmation
View electric energy in interface
Confirm and save configuration in programming interface
6.2 Display interface
Forward reactive electric energy will be displayed after being electrified. Screen flip display can be realized through three types view button. The specification on various display interface sequences is as follows:
: Phase A voltage, Phase B voltage, Phase C voltage, Phase A current, Phase B current, Phase C current, frequency, date, time, communication address, software version number, full screen test;
: Phase A active power, Phase B active power, Phase C active power, total active power, Phase A reactive power, Phase B reactive power, Phase C reactive power, total reactive power, Phase A apparent power, Phase B apparent power, Phase C apparent power, total apparent power, Phase A power factor, Phase B power factor, Phase C power factor, total power factor, forward active maximum demand, reverse active maximum demand, forward reactive maximum demand, reverse reactive maximum demand;

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