2 Phase Three Wires Ciu Meter

1.  Introduction

This is a two phase three wires meter with CIU through twisted pair which complies with STS prepaid standard. Built-in relay which can trip when over load, balance run out, tamper happen and so on. Opening the terminal cover will have tamper indication.
 

1.   Features and Technical Parameters

2.1 Features
•First paid, then USE electricity
•Protection Degree IP54 with ultrasonic bwtween base and cover.
•The meter communicate with CIU through twisted pair. Screw connector between meter with extra keypad
•Keypad with 20number token to charge, no need IC card
•Keypad lifetime is more than 25000 times (test in third LAB)
•Events record for terminal cover opening, included Date and Time.
•Low balance credit alarm, emergency alarm
•LCD display for kinds of values: remain credit, total kWh, constant voltage, constant current\ and so on.
•LCD can display pages by press the button
•Display kinds different info through short code
•Internal 120A relay, can power off the meter when no credit.
•Over load protection
•Upper cover and terminal cover tamper protection
•support IR communication according to IEC1107 with bate rate9600.

2.2 Technical Parameters

Voltage: 2*127/220V
Current: 2*10(100)A
Accuracy class: 1.0
Standard: IEC 62052-11 testing, IEC 62053-21, IEC 62053-22IEC
Frequency: 60Hz
Impulse constant: 1000imp/kWh
Display: LCD 6+2
Power consumption: ≤10VA  ≤1W
Starting current: 0.4%Ib
Temperature range: -25~70ºC
Average humidity value of year: 75%
 value: 95%
Communication:                  IR  IEC1107








 

1.  Description

Description of CIU

     A relay state indication
     B credit state indication
     C 3*4 keypad
     D LCD
     E IR communication interface
     

 Material:
                                                                    
 Meter base       ABS
 Meter cover       ABS

 

1. Connection Diagram

4.1 Meter diagram









5.  Dimensions

5.1 Meter size


5.2 CIU size


 

1.  Software

6.1.1 meter LCD Screen
  





   6.1.2CIU LCD Screen
  
 
6.1.2.1  Display content of CIU

Balance Credit                          0000000.00 kWh
Time
Date
 
6.1.3  Display mode

  LCD display support turning pages through button.


6.1.4  Short Code information

a. Set Alarm Credit: input 456-XXXXX, and then enter return key. XX is alarm credit (kWh),allowed range 10-99999l.
b. Alarm Buzzer Interval: input 123XXX, and then enter return key. XXX is interval (minute),allowed range 0-999.
c. Clear tampering state: input 12345, and tehn enter return key.

6.1.5  Short Code query
 
Short code information:
  



6.2.5  Balance credit alarm
The meter has the function of class1 balance credit alarm. Alarm threshold could be set through short code or communication. When the remain kWh is less than the threshold, the red LED will be flashing and the buzzer will alarm. If the kWh usage up, the relay will open and the LED will keeping red.