Single Phase CPU Card Prepaid Electronic Meter communication as per
DL/T 645-2007
Product Standards
IEC62052-11, IEC62053-21, IEC62055-31, IEC62055-41, IEC62055-51
General Introduction
1) CPU Card Prepaid Electronic Meter with RS485 and far infrared
interface is designed for step-rate prepayment or multiple-rate
prepayment power consumers, with logic security card or CPU card
prepayment method, of high security performance.
2) Support emergency credit.
3) And equipped with RS485 and far infrared interface.
Technical Parameters
| Items | Contents |
| Standards | IEC62052-11, IEC62053-21, IEC62055-31, IEC62055-41, IEC62055-51 |
| Accuracy | Active: Class 1 |
| Communication protocol | DL/T 645-2007 |
| Reference voltage | 120V/220V/230V/240V |
| Current | 5(60)A 10(100)A |
| Reference frequency | 50/60 Hz |
| Power consumption | ＜1.5W, 6VA |
| Operation voltage range | 0.8Un～ 1.2Un |
| Limited operation voltage range | 0.7Un～ 1.3Un |
| Operation temperature | -25℃～ +60℃ |
| Limited operation temperature | -40℃～ +70℃ |
| RTC deviation | ≤0.5s/ d |
| Life time | 15 years |
| Size | 160mm(L)×112mm(W)×71mm(H) |
| Net weight | About 0.6kg |
Main functions
● With the export energy metered as total import energy, and
capable of recording export energy alone.
● Prepayment CPU card, higher security and reliability.
● TOU
Four tariffs; two sets of time zone tables; two sets of time period
tables; support public holidays and weekends
● Step tariffs
● Friendly power supply management
Support emergency credit
● Events logs
Detecting and recording events such as current reverse, magnetic
influence, phase bypass, meter cover open, terminal cover open,
overvoltage, under voltage, etc.
● Anti-tamper
Detecting current reverse, magnetic influence, phase bypass, meter
cover open, at the same time, the meter can disconnect power supply
which is configurable when the tampers occur.
● Audio and visual alarm
Audio and visual alarm which can be configured for current reverse,
magnetic influence, phase bypass, meter cover open, etc.
● Load control
Detecting the customer’s load status, it can alarm or disconnect
the power supply when under overload.
● Communication interface
One far infrared interface and one RS485 are available.
Our Company
Risesun has formally carried out the globalization management
strategy.Its main products cover smart energy meter, IC card prepaid energy
meter, din rail energy meter, STS keypad prepaid energy meter,
multifunction energy meter, acquisition terminal of special
transformer, data acquisition system, charging pile of electric
auto, metering box and etc. It is one of the companies with the
most technical influence and development potential in the electric
energy metering instrument industry of China. Its sales turnover has increased steadily year by year, with sales
reaching 3 billion yuan in the past three years. Its products and
solutions have already been successfully applied in a number of
countries and regions like Nepal, Vietnam, Pakistan, India,
Bangladesh, Philippines, Peru, Cuba, Columbia, Ecuador, Brazil,
Zimbabwe, Tanzania, Ethiopia, Russia and etc., and have obtained
the unanimous praises from customers. A main source of its sales
revenues in the future will be from the international trade
business.
