1, Overview:
DDS9502/DTS9502(DSS9502) single three-phase electronic watt-hour meter adopts a special large-scale integrated circuit, which has the characteristics of few external components, simple structure, high reliability, low power dissipation, and long life. It can be used to measure the rated frequency of 50Hz single-phase AC active energy. The performance indicators of this product meet all the technical requirements for single-phase electronic energy meters in the GB/T17215.321 "Class 1 and Class 2 Static Active Energy Meters" standard. The communication protocol complies with the DL645-1997 "multifunction Meter Communication Protocol" standard.
2, Features:
3, Main technical parameters:
DDS9502/DTS9502(DSS9502) single three-phase electronic watt-hour meter adopts a special large-scale integrated circuit, which has the characteristics of few external components, simple structure, high reliability, low power dissipation, and long life. It can be used to measure the rated frequency of 50Hz single-phase AC active energy. The performance indicators of this product meet all the technical requirements for single-phase electronic energy meters in the GB/T17215.321 "Class 1 and Class 2 Static Active Energy Meters" standard. The communication protocol complies with the DL645-1997 "multifunction Meter Communication Protocol" standard.
2, Features:
| 2.1 | it has the function of forward and reverses active energy measurement, the total active energy is the sum of the absolute value of the forward and reverses active energy. | |
| 2.2 | with infrared communication and RS485 communication functions, the total power can be read through the meter's RS485 interface, and the meter's communication address and base degree can be set, infrared communication and RS485 communication are independent design methods for the physical layer. and RS485 communication interface and infrared communication interface function are unified. infrared communication interface communication distance: ≥5m. communication angle: ≥±15. | |
| 2.3 | active energy pulse output, used for meter calibration and collection of energy. it is a passive photoelectric isolation output port, pulse width: 80ms±20ms. | |
| 2.4 | used 5 super bright and long-life LED indicator, the function is as follows: | 2.4.1, pulse signal light: red, flashing when there is a power pulse. |
| 2.4.2, reverse indicator light: red, always on when there is reverse power. | ||
| 2.5 | the meter hardware adopts an imported varistor + thermistor + power frequency transformer structure, which has good surge absorption and over-voltage protection, and anti-lighting function, software uses multiple data backup and real-time verification methods to ensure data security and improve the anti-interference ability of the system. the data can be stored for a long time. | |
| 2.6 | according to "multi-function electric energy communication protocol Muili-function watt-hour mielefcomrrunicaoprotocol" DL/T645-1997 People's Republic of China Electric Power Industry Standard. |
3, Main technical parameters:
| rated current | 1.5(6), 2.5(10), 5(20), 10(40), 15(60), 20(80), 30(100) |
| rated voltage | 220 or 240 |
| rated frequency | 50 or 60Hz |
| level of accuracy | level 1 or 2 |