Zhejiang Gomelong Meter Co., Ltd.
Zhejiang Gomelong Meter Co., Ltd.
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Hot Style Keypad Prepayment STS Type Kilowatt Hour Meter
Application
DDSY5558 is a new type of keypad prepayment meter. Customer purchases energy by 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 also named as "Keypad meter”. It complies with open standard STS.
Feature
Payment by 20 digits token
Alarm when low energy/overload/fraud.
With RS485 and optical communication functions for reading meter and setting parameters.
Open terminal cover detection alarm.
Technical parameters
| Specification | DDSY5558 | DTSY5558 | |
| Accuracy | Active | Class1.0 | Class1.0 |
| Reactive |
| Optional | |
| Voltage | Rated | 220/230/240V | 3x57.7/100V,3x220/380V 3x230/400V,3x240/415V |
| Range | 0.9Un~1.1Un | 0.9Un~1.1Un | |
| Limit | 0.8Un~1.2Un | 0.8Un~1.2Un | |
| Frequency |
| 50/60Hz | 50/60Hz |
| Current | Range | 5(20)A ,5(25)A ,5(30)A,5(32)A | 3x1.5(6), 3x 5(30), 3x 10(50), 3x 15(90), 3x 20(100), 3x 5(40), 3x 5(100)A |
| Starting Current |
| 0.4%Ib | 0.4%Ib |
| Constant | Active | 1600imp/kWh | 400imp/kWh |
| Reactive | \ | \ | |
| Display | Type | LCD | LCD |
| Digit | 6+2 | 6+2 | |
| Power Consumption | Voltage Circuit | ≤0.8W,10VA | ≤0.8W,10VA |
| Current Circuit | ≤4VA | ≤4VA | |
| Communication Interface | Interface | Optical/Infrared/RS485 (Optional) | Optical/Infrared/RS485 (Optional) |
| Protocol | MODBUS,DLT/645,IEC1107 | MODBUS,DLT/645,IEC1107 | |
| Temperature | Working Temperature | -45℃~+55℃ | -45℃~+55℃ |
| Storage Temperature | -40℃~+70℃ | -40℃~+70℃ | |
| Humidity |
| ≤90% | ≤90% |
| Protection |
| IP54 | IP54 |
Dimension&wiring diagram