Good Quality Pdu - JSY1005 Intelligent rs485pdu current meter – JIAN SI YAN

Features

1. Collect single circuit AC parameters, including single-phase voltage, current, power, frequency, electric energy and other electrical parameters.

2. RS-485 communication interface with one ESD protection circuit adopts MODBUS-RTU protocol, which has good compatibility and is convenient for programming.

3. 2-way temperature and humidity interface.

4. Display in different directions can be switched.

5. Electrical insulation withstand voltage 2000vac.

6. Wide voltage operation AC80 ~ 265V.

7. It can be changed and customized according to customer requirements.

Technical Parameter

1. Single phase AC input
1) Voltage range: 100V, 220V, 380V, etc.
2) Current range: 5A, 50a, etc; The model of external opening 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 1.2 times, and the range is not damaged.
5) Input impedance: voltage channel >1k Ω /v.

2. Communication interface
1) Interface type: 1-way RS-485 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: the baud rate of RS-485 communication interface can be set to 9600, 19200, 38400bps; The baud rate defaults to 9600bps.

3. Test output data
Voltage, current, power, electric energy and other electrical parameters.

4. Measurement accuracy
Voltage, current and power: ± 1.0%; Active kwh is level 1.

5. Electrical isolation
RS-485 interface is isolated from AC power supply, voltage input and current input; Isolation withstand voltage 2000vac.

6. Power supply
1) Power supply mode: the voltage range is ac85~265
2) Typical power consumption: ≤ 1W.

7. 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.

8. Temperature drift: ≤100ppm/℃.

9. Product size: 1U housing.