1.Summary
Single phase Prepaid Energy Merter DDZY1218 is a new type of prepayment meter.
Customer purchases energy from the vending network to get a serial number (named as
“TOKEN”), and then use the
keypad of meter to enter the TOKEN. The credit data will be entered into the meter after the TOKEN
being accepted. The TOKEN contains 20 digits and is encrypted. For the purchasing method
reason, the meter named as “Keypad meter” .
The data transmission protocol of the meter complies with IEC62055-41, All the specifications
comply with IEC62055-31. And meter designed in accordance with IEC62053-21.
2．Features and technical parameters
2.1 ．Features
Measure active energy;
Unidirectional or Bi-directional Measurement;
6+2 LCD display with backlight;
20-digit transmission as a token, customer purchases energy before consumption;
Low energy alarm and low energy trip to remind the customer to purchase energy;
With optical communication port for reading meter data and setting parameters;
Overload protect;
Open terminal cover and base cover detection alarm;
Meter Information supply short code Enquiry;
Multi-Level alarm value enable setup;
2.2 ．technical parameters
Rated current
5(60)A, 10(100)A
Accuracy class
1.0
Life span
≥10 years
Power consumption
＜4VA, 1.5W
Meter constant
1000imp/kWh
Dimension
206*130*46mm
Notice: Please refer to the nameplate for the real values of rated current, accuracy class and
meter constant of a specific meter
1- LCD display with backlight.
2- LED indicators. From left to right are: Pulse, alarm, status credit.
3- Assistance terminals, and detector of terminal cover opening.
4- Optical communication port which complies with IEC62056-21 protocol.
5- Keypad contains 12 buttons (0~9, “ ” and “ ”) to enter TOKEN and query meter data.
technical parameter
| Rated current | 5(60)A, 10(100)A |
| Accuracy class | 1.0 |
| Meter constant | 1000imp/kWh |
