2022 Good Quality Charging Pile Management System - 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.

Features

1. 10ma-60a wide range and high-precision electric energy measurement.
2. MODBUS-RTU protocol.
3. Accurately measure the electrical parameters of two-way single-phase AC voltage, current, power, power factor, frequency, electric quantity and so on.
4. One TTL communication interface, compatible with 5v/3.3v.
5. Electrical insulation withstand voltage 3000VAC.
6. Multiple specifications can be selected, single turn through core PCB fixed or open transformer, which is convenient and easy to use.
7. It can be changed and customized according to customer requirements.

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/ ℃;