Quick details
DDSY5558is a new type of key pad prepayment meter,Customer purchases energy by the vending network to get a serial number (name 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 20digits and is encrypted,For purchasing method reason,the meter also named as keypad meter,It comlies with open standard STS.
Features
♦ Payment by 20digits token
♦ Alarm when low energy/overload/fraud
♦ With Rs485and optical communication functions for reading meter and setting parameters
♦ Open terminal cover decetion alarm
Technical Parameters
Specification | DDSY5558 | ||
Accuracy | Active | Class1.0 | |
Reactive | / | ||
Voltage | Rated |
220/240V | |
Range | 0.9Un~1.1Un | ||
Limit | 0.8Un~1.2Un | ||
Frequency |
| 50/60Hz | |
Current | Range |
5(60)A | |
Starting Current |
| 0.4%Ib | |
Constant | Active | 400imp/kwh,800imp/kwh,1600imp/kwh | |
Reactive | \ | \ | |
Display | Type | LCD | |
Digit | 6+1 | ||
Power Consumption | Voltage Circuit | ≤0.8W,10VA | |
Current Circuit | ≤4VA | ||
Communication | Interface | Optical/Infrared/RS485(Optional) | |
Protocol |
MODBUS,DLT/645,IEC1107 | ||
Temperature | Working Temperature | -45℃~+55℃ | |
Storage Temperature | -40℃~+70℃ | ||
Humidity |
| ≤90% | |
Protection |
| IP54 |