PRODUCTS & SERVICE
STS Prepayment Energy Meter
Single-phase Split STS Energy Meter
Single-phase Split Type STS Prepayment Energy Meter

DDSY283SR Single Phase Split Type keypad meter is the prepayment meter according to IEC 62053-21 and IEC 62055-31/41/51. The data transmitting is according to Standard Transfer Specification (STS). The communication way between CIU and UIU can be M-Bus/PLC/RF wireless. And also it can be intergated into AMR/AMI system, for data/vending management.


Items

Sub items

Specification

 

Meter type

Single phase Two Wire

Accuracy

Class 1.0

Voltage

Nominal voltage:220V

Frequency

50Hz

Current range

5(60)A 

Starting current

0.004Ib

Constant

1000 imp/kWh 

Power consumption

Current circuit power consumption≦1VA 
Voltage circuit power consumption≦2W/3VA

Operating Temperature

-25℃~+70℃

Limit Temperature

-30℃~+75℃

Storage Temperature

Up to 80℃

TOD

Real time clock -RTC

≤0.5Second/Day (23°C) .

Calendar

Permanent Calendar (To identify a leap year)

Battery

10 years battery life, Can be changed

LED and Display

LED

1 Active pulse output
1 Credit status indicate(two colors)
1 Alarm indicate

Backlit

Available

Power-off display

LCD off after 20s,can be wake up by button pressing

LCD contents

- Energy consumption/Total user credit to date/Meter status
/Supply group code/Display maximum load occurrence
/Display instantaneous current/Last 5 token entered

Instantaneous value display

Active power/Voltage/Current

Check

Self checking

- Meter cover open
- Terminal cover open
- EEPROM

Structure

Terminal cover

BS standard

Protection class 

Indoor IP54

Lead sealing

Sealing screw

Material 

Meter cover: PC
Meter cover: PC
Terminal cover: 90% PC+10% fiberglass

Dimension 

Without terminal cover : 173mmx125mmx75mm
With terminal cover : 200mmx125mmx75mm


1. Measurement

Import/Export active energy 
Instantaneous value measurement
--(current/voltage/Active power/Power Factor/Apparent power of each phase)


2. Tampering&Event

Meter Cover open detection and record
Meter terminal open detection and record
Current reverse detection
Large magnetic effects
Over voltage/Overload


3. Load profile&Max Demand&Billing

Support load profile, interval can be setting.
kWh maximum demand and time stamp;
12-Month Billing Data(optional)

 

4. Self diagnosis

Diagnose meter components, and record.
Results displayed in certain status words. 


5. Prepayment

Credit way--through UIU credit token/Mobile/Pos-vending/Online vending(Optional).
Support Friendly credit/Emergency credit/Negative credit.
Protocol Compatible to IEC62055-51, STS Standard.


6. Communication 

Local: Optical interface/1 RS485 or PLC;
Meter to CIU(downline): PLC or M-bus communication;
Meter to Concentrator(Upline): GPRS/PLC/RF wireless communication.
Protocol compatible to (Local)IEC62056-21 and (Remote)DLMS HDLC or IEC62056-21;


7. AMI Function

Meter Data Management System;
STS Vending System