China wholesale Car Charging Pile - JSY-MK-194T Embedded two-way electric energy metering module – JIAN SI YAN

Description

Jsy-mk-194 mutual inductance high-precision and wide range electric energy metering module can be widely used in energy-saving transformation, power, communication, railway, transportation, environmental protection, petrochemical, steel and other industries to monitor the current and power consumption of AC equipment.

Technical Parameter

1 single phase AC input
1) Voltage range: 0~264v;
2) Current range: 10ma~60a;
3) Signal processing: special measurement chip and 24 bit AD sampling;
4) Overload capacity: current 1.2 times the range is sustainable, and voltage 1.5 times the range is not damaged;
5) Input impedance: voltage channel > 1 K Ω / V;

2 communication interface
1) Interface type: 1-way TTL communication interface, compatible with 5v/3.3v;
2) Communication protocol: MODBUS-RTU protocol;
3) Data format: default to “n, 8,1″, “E, 8,1″, “O, 8,1″, “n, 8,2″, which can be set;
4) Communication rate: 9600bps by default, 4800bps, 19200bps can be set;

3 measurement output data
Voltage, current, power, electric energy, power factor, frequency and other electrical parameters, see the list of mdobus data registers;

4 measurement accuracy
Voltage, current, power and electric quantity: less than ± 1.0%;

5 isolation
The tested power supply and the power supply are isolated from each other; Isolation withstand voltage 3000vdc;

6 power supply
1) DC single power supply 5V power supply, power consumption 10mA.

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: places without explosion, corrosive gas and conductive dust, and places without significant shaking, vibration and impact;

8. Temperature drift: ≤ 100ppm/ ℃;