HC-33C3 Multi channel Combination Three phase Electrical Measurement Terminal

1Product Introduction

1.1Introduction

HC-33C3 Multi channel Combination Three phase Electrical Measurement TerminalIt is highly integrated targetingProducts for centralized monitoring of multi-channel three-phase electricity,One terminal can simultaneously measure the power consumption of three independent three-phase devices (or nine single-phase devices).

The three-phase current of each device is independently connected using an external transformerThe three meter method accurately measures three-phase AC voltageThree phase current (true effective value measurement)、totalmeritoriouspowerReactive powerpowerPower factorEach single-phase powerFrequencyTotal active electricity, reactive electricity, active and reactive power demand, and occurrence timeIsoelectric parameter, with optional features4-channel switch input monitoring switch status, 2-channel relay output control;And possessRS-485Communication interface, optionalLCD Chinese LCD display; At the same time, the terminal has data storage, event recording, and statistical functions, as well as functions such as time-based measurement and automatic uploading of alarm events,It has excellent cost-effectiveness.

HC-33C3 Multi channel Combination Three phase Electrical Measurement TerminalWidely applicableapplied toElectricity, communication, transportation, environmental protectionWaiting in the industry, for centralized usemonitormulti-channelThe current and power consumption of three-phase equipment, as well as the three-phase electrical energy in distribution networks and enterprisesSeparate equipmentmeasurementandmonitor.

1.2Features

1.2.1 The terminal can monitor simultaneouslyElectricity consumption of 3 independent three-phase devices (or 9 single-phase devices)

1.2.2Collect three-phase electrical parameters from each channel, including voltage, current, power, electrical energy, etc More than 30 electrical parameters, complete information

1.2.3Using dedicated measurement chips and AC true effective value measurement method, the measurement accuracy is high

1.2.4Communication protocol adopts standardsModbus RTU and DLT645 modes, with good compatibility and easy programming

1.2.5beltESD protection circuitRS-485 communication interface

1.2.6tool4-channel switch input: passive contact or voltage type input, 0-0.5V or short circuited to 0,+3-30V or open circuit to 1;

1.2.7have2-channel relay output: dry node output, 3A 250VAC/3A 30VDC;

1.2.8Multiple power supply options available: AC85V~265V input, DC10~30V input, DC36~72V input, DC is a wide working voltage input with anti reverse protection function;

1.2.9Having exceeded the limitAutomatic upload alarm function for DI status changes, etc;

1.2.10Data storage function: can be stored at set intervals（10 minutes to 4 hours) to store data for no less than 120 days, including parameters such as voltage, current, power, electrical energy, and power demand;

1.2.11Event recording function: It has the functions of recording switch displacement events and over limit alarm events;

1.2.12Adopting industrial grade chips, built-in watchdog, and complete lightning protection and anti-interference measures to ensure reliability

1.2.13High isolation voltage, voltage and current input signals are isolated using miniature precision transformers, with a withstand voltage of up toDC2500V

1.2.14beltLEDIndicate the working status,LCD Chinese LCD displays data for easy on-site installation and debugging

1.2.1535mmstandardDINRail installation, multiple wiring methods, convenient for on-site installation and wiring

1.3Technical Specifications

1.3.1Three phase AC input

1)Input frequency: power frequency,50Hz±5Hz；

2)Voltage range (phase voltage): 260V and other options are available;

3)Current range: 50A, external 50A: 25mA precision transformer input;

4)Signal processing:Using specialized measurement chips,24bitAD sampling;

5)Overload capacity:1.2 times the range is sustainable; Instantaneous (<10 cycles) current 5 times, voltage 3 times the range without damage;

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

1.3.2Switching input/output

1)input4 channels, logic level: 0-0.5V or short circuited to 0,+3-30V or open circuit to 1; Input level range:0～30V， The limit range is -10 to 40V;

2)Switching output:2-channel relay output,Output of dry nodes,3A 250VAC /3A 30VDC；

1.3.3communication interface

1)Interface type: RS-485 interface;

2)Communication protocol: MODBUS-RTU protocol, DLT546 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；

1.3.4Measure output data

3-channel three-phase (or 9-channel single-phase), voltage, current, power, energy, etc. of each channel More than 30 electrical parameters,seeMdobus data register list

1.3.5measurement accuracy

voltage、electric current:±0.2%FS; Electricity level: ±0.5%FSActive energyLevel 1, reactive power level 2;

1.3.6isolation

The DC power supply is grounded together with the RS-485 interface and DIO, and isolated from the voltage input and current input; Each voltage channel is also isolated from each other; Isolation voltage withstand 2500VDC;

1.3.7power supply

1)optionalDC+10-30V, DC+36-72V, AC85-265V power supply

2)When powered by DC+10-30V, the peak voltage should not exceed+40V; typical power consumption:≤1W；

3)When powered by DC+36-72V, the peak voltage should not exceed+80V; typical power consumption:≤1W；

4)AC85V～265V, 50Hz ± 5Hz or DC 100V-300VPower supply, typical power consumption:≤1W；

1.3.8working environment

1)Operating Temperature-20～+60℃； Storage temperature: -40 to+85 ℃;

2)Relative humidity:5-95%, no condensation (at 40 ℃);

3)Altitude:0-3000 meters;

4)Environment: A place without explosive, corrosive gases, conductive dust, significant shaking, vibration, and impact;

1.3.9Temperature drift:≤50ppm/℃；

1.3.10Installation method:35mmstandardDINrail mounting

1.3.11Module size： 118×107×59mm