HC-33BE three-phase power acquisition module

1、 Product Introduction

1.1Introduction

HC-33BE three-phase power acquisition moduleIt is highly integrated targetingMeasurement of three-phase electrical parametersThe applied product accurately measures three-phase AC voltage using the three meter methodThree phase current (true effective value measurement), meritorious servicepowerReactive powerpowerPower factor, frequencyActive energy and reactive energywaitbasicElectrical parameters,It also has functions such as harmonic measurement, power quality analysis, and fault alarm,And possess2roadDI、2roadSwitching output or one relay output、1 power pulse output, 1roadRS-485communication interfaceIt has excellent cost-effectiveness.

HC-3 series power collection moduleCan be widely applied toElectricity, communication, railway, transportation, environmental protectionIn industries such as petrochemicals and steel, used forMonitoring three-phase motorsThe current and power consumption of large equipment driven, as well as the measurement of three-phase electrical energy in distribution networks and enterprisesandmonitor.

1.2Features

1.2.1.Collect three-phase electrical parameters, including voltage, current, power, and electrical energy、Multiple electrical parameters such as harmonic components

1.2.2.Using dedicated measurement chips and AC true effective value measurement method, the measurement accuracy is high

1.2.3.Communication protocol adopts standardsModbus RTU mode, good compatibility, easy programming

1.2.4.beltESD protection circuitRS-485 communication interface

1.2.5.Wide working voltageDC10～30V， And it has anti reverse protection function, connecting the reverse power supply will not damage the module

1.2.6.Adopting industrial grade chips, built-in watchdog, and complete lightning protection and anti-interference measures to ensure reliability

1.2.7.High isolation voltage, voltage and current input signals are isolated using miniature precision transformers, with a withstand voltage of up toDC2500V

1.2.8.tool2roadDI、2roadDO、1Configurable active or reactive power pulse output

1.2.9.Configurable real-time data update cycle, convenient for application to various measurement requirements

1.2.10.35mmstandardDINRail installation, multiple wiring methods, convenient for on-site installation and wiring

HC-33BEMain function list:

1.3Technical Specifications

1.3.1Three phase AC input

1)Wiring method:3P3L(Three phase three wire) or3P4L(Three phase four wire)

2)Input frequency: power frequency,45～65Hz；

3)Voltage range (phase voltage):70V, 120V, 260V, 450V and other options are available

4)Current range: 1A, 5A and other options are available; An external transformer is required if the range exceeds 5A;

5)Signal processing:Adopting specialized high-precision technologyAD measurement chip, 6-channel 4K synchronous sampling;

6)dataUpdate cycle0.05S~1.00S configurable;

7)Overload capacity:1.2 times the range is sustainable; Instantaneous (<10 cycles) current 5 times,voltage2times/1Seconds;

8)Input impedance: Voltage channel>1 k Ω/V; current channel≤100mΩ；

1.3.2Discrete input

2 channels, passive contacts orVoltage type input，0-0.5V or short circuited to 0,+3-30V or open circuited to 1;

1.3.3Switching output（2-channel open collector or 1-channel relay)

2 routes:Open collector output（50V/30mA）； Can be set as remote control or alarm protection output function;

Or optional1 way: Relay (250V * 3A (AC) or 30V * 3A (DC))

1.3.4Electric pulse output

1)1 channel, configurable and selectable three-phase total (value sum) active or reactive power pulse output;

2)The pulse output width is50mS, Negative pulse;

3)Each pulse equivalent is: instrument voltage range*Current range/2400000 degrees;

1.3.5communication interface

1)Interface type:RS-485 interface.

2)Communication protocol: MODBUS-RTU standard protocol;

3)Data format: can be set by software,“n,8,1”、 “e,8,1”、 “o,8,1”、 “n,8,2”；

4)Communication speed: adjustable1200、2400、4800、9600、19200、38400Bps；

1.3.6Measure output data

Multiple electrical parameters such as voltage, current, power, and electrical energy, detailedseeMdobus data register list