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JSY1003F single-phase power metering module has the characteristics of small size, low cost, high precision, stable performance and so on. It can be widely used in energy saving transformation, new energy charging pile, photovoltaic energy storage electricity monitoring, communication, railway, transportation, environmental protection, petrochemical, steel and other industries, to monitor the current and power consumption of AC equipment.
1. Single phase AC input
1) Voltage range: 100V, 220V, 380V, etc.
2) Current range: 5A, 50a, 100A, etc., and the model of external open current transformer is optional.
3) Signal processing: special metering chip is adopted, and 24 bit AD is adopted.
4) Overload capacity: 1.2 times the range is sustainable; The instantaneous (<20ms) current is 5 times, the voltage is 1.5 times, and the range is not damaged.
5) Input impedance: voltage channel >1k Ω /v.
2. Communication interface
1) Interface type: 1-way 3.3V TTL communication interface.
2) Communication protocol: MODBUS-RTU protocol.
3) Data format: software can set "n, 8,1", "E, 8,1", "O, 8,1", "n, 8,2".
4) Communication rate: baud rate can be set at 1200, 2400, 4800, 9600bps; The baud rate defaults to 9600bps.
3. Measurement data output
Voltage, current, power, power factor, frequency, electric quantity and other electrical parameters.
4. Electrical isolation
The tested power supply and the power supply are isolated from each other, and the isolation withstand voltage is 3000VAC.
5. Power supply
The DC power supply is 3.3V, and the power consumption is 8~10ma.
6. Working environment
1) Working temperature: -20~+70 ℃; Storage temperature: -40~+85 ℃.
2) Relative humidity: 5~95%, no condensation (at 40 ℃).
3) Altitude: 0~3000 meters.
4) Environment: a place without explosion, corrosive gas and conductive dust, and without significant shaking, vibration and impact.
7. Temperature drift
≤100ppm/℃
8. Installation method
PCB welding, can provide packaging
9. Module size
38.5*21mm
