Product Introduction
JSY-MK-354 Three phase inductive electric energy metering detector is a metering product developed by our company using microelectronics technology and dedicated large-scale integrated circuits, digital sampling and processing technology, SMT technology and other advanced technologies, with completely independent intellectual property rights. The technical performance of the detector meets the relevant technical requirements of the 1.0 level three-phase active energy meter in the IEC 62053-2 standard, and can directly and accurately measure the voltage, current, power, power factor, reactive power and other electrical parameters in the three-phase AC power grid with a rated frequency of 50Hz or 60Hz. The detector has a built-in RS485 communication interface and adopts MODBUS-RTU communication protocol, which is convenient for connection with various AMR systems. It has the characteristics of good reliability, small size, light weight, beautiful appearance and easy installation.
JSY-MK-354 Three phase inductive electric energy meter can be widely used in energy-saving transformation , new energy charging piles, electricity, communications, railways, transportation, environmental protection, petrochemicals, steel and other industries to monitor the current and power consumption of AC equipment.
Product Features
1.2.1.Collect three-phase AC parameters, including voltage, current, power, electric energy and other electrical parameters, with complete information.
1.2.2.Adopting special measurement chip and effective value measurement method, the measurement accuracy is high.
1.2.3.With 1 RS-485 communication interface.
1.2.4.The communication protocol adopts standard Modbus-RTU, which has good compatibility and is convenient for programming.
1.2.5.RS-485 communication interface with ESD protection circuit .
1.2.6.DC 9-24 V power supply.
1.2.7.It uses industrial-grade chips, has a built-in watchdog, and has complete lightning protection and anti-interference measures to ensure reliability.
1.2.8.High isolation voltage, withstand voltage up to AC: 3000V .
1.2.9.You can choose to use single-turn through-core transformers or split-type transformers of different specifications, which is convenient and easy to use.
(Note: Split-type current transformers are mainly used in industrial city grids, power transmission systems, and rural project transformation.
Easy to install, no need to disassemble the primary busbar, can be operated with power on, and will not affect the normal power consumption of customers,
The project saves a lot of manpower, material resources and financial resources, and improves the efficiency of transformation. )
Technical Parameters
1.3.1Three-phase AC input
1)Voltage range: three-phase four-wire input, 3*220/380V.
2)Current range: 50mA~50A, 50mA~80A, 50mA~100A, 50mA~250A, 100mA~500A optional
3)Signal processing: using a dedicated measurement chip, 24 -bit AD sampling.
4)Overload capacity: 1.2 times the range is sustainable. instantaneous (<200mS) current 5 times, voltage 2 times the range is not damaged.
5)Input impedance: voltage channel>1 kΩ/V.
1.3.2Communication Interface
1)Interface type: 1 RS-485 interface.
2)Communication protocol: MODBUS-RTU protocol.
3)Data format: software-settable, ” 8 , N , 1″, ” 8 , E , 1″, ” 8 , O , 1″, ” 8 , N , 2″.
4)Communication rate: The communication interface baud rate can be set to 4800, 9600, 19200, 38400Bps, and the default communication format is “n,8,1″, 9600bps.
5)Communication data :
Voltage, current, power, electric energy and other electrical parameters, see thee Modbus data register list .
1.3.3measurement accuracy
Voltage , current , power : ± 1.0 % . Active energy level 1.
1.3.4power supply
1)When powered by DC 9~24V , the peak voltage shall not exceed 30V . typical power consumption : < 30mA.
1.3.5isolation
Strong current and weak current are isolated by mutual inductor, and the isolation withstand voltage is > 3000V .
1.3.6working environment
1)Working temperature: -20 ~+ 60 ºC . Storage temperature: -40~+85ºC .
2)Relative humidity: 5~95%, no condensation (at 40 ºC ) .
3)Altitude: 0~3000 meters.
4)Environment: No explosive, corrosive gases and conductive dust, no significant shaking, vibration and impact.
1.3.7Temperature drift: ≤100ppm/ ºC .
1.3.8Installation method: screw hole fixation.
1.3.9Detector size : 114.7*89.9mm.
Terminal Illustrate
UA Measured phase A voltage input terminal
UB Measured B phase voltage input terminal
UC Measured C phase voltage input terminal
UN Measured neutral line input terminal
+12V Wide voltage power input positive ( 9-24 VDC)
GND Negative power input
A 485 communication port A
B 485 communication port B
Post time: Jul-20-2024
