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Single Three Phase Intelligent Power Meter Modbus RTU Communication Protocol

Categories Power Analyzer Meter
Brand Name: CHUANQI ELECTRONIC INSTRUMENT
Model Number: CQ series
Certification: other
Place of Origin: China
MOQ: 10pc
Price: Quote according to demand
Payment Terms: L/C, T/T
Supply Ability: 100pcs/mouth
Delivery Time: 5-8 work days
Display: A row of LED digital tube display, high visibility
Product Name: Single-phase smart ammeter
Expansion: Input signal can be directly from the current and transformer, and the input parameter ratio can be programmed on site
Rated Current: AC5A/AC1A
Technical Index - Communication Interface: Two RS485 communication ports, Modbus-RTU communication protocol
Application: Suitable for power grid, automatic control system, mainly measure the current parameters in power grid
Measurement Network: Three-phase Four-wire V34/ Three-phase Three-wire V33
Accuracy Level - Power Metering: Active Power 0.5, Reactive Power 1.0, Converter Output 0.5
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Single Three Phase Intelligent Power Meter Modbus RTU Communication Protocol

Summarize

The three-phase intelligent energy rate meter can measure the three-phase active power rate or the three-phase reactive power rate in the electric network with high precision, and optionally with RS485 communication power and upper and lower limit alarm functions. It has the characteristics of easy connection and installation, simple wiring, convenient maintenance, small engineering amount, field programmable setting input parameters, etc., and can complete the networking communication with different PLC and industrial control computers in the industry.


Peculiarity
Measurement: three-phase active power or three-phase reactive power
Display: a row of LED digital tube display, high visibility
Communication: RS485 communication, MODBUS-RTU communication protocol (optional)
Output: Two relay outputs (optional)
Expansion: Input signal can be directly from the current and transformer, and the input parameter ratio can be programmed on site
Purpose; It is suitable for power grid and automatic control system, mainly measuring three-phase power parameters in power grid


Product model and size

Model numberCQ42-3P/3QCQ96-3P/3QCQ80-3P/3QCQ72-3P/3QCQ48-3P/3Q
Face frame size120*12096*9680*8072*7248*96
Opening size111*11191*9176*7667*6745*91

Technical index

Argument
Accuracy levelPower metering: Active power 0.5, reactive power 1.0, converter output 0.5
Display modeLCD display / 12-bit LED display
The signal is enteredMeasurement networkThree-phase four-wire V34/ three-phase three-wire V33
VoltageRated valueAC380V/AC100V
OverloadDuration: 1.2 times instantaneous: 2 times (10 seconds)
Power dissipation<1VA(per phase)
Impedance>300kΩ
Electric currentRated valueAC5A/AC1A
Over dutyDuration: 1.2 times instantaneous: 2 times (10 seconds)
Power dissipation<0.4VA(per phase)
Impedance< 2 m Ω
Frequency45-65Hz
Harmonic waveVoltage and current total harmonic content and 3-15 odd harmonic components
Electric energyBidirectional active and reactive energy metering
Power sourceScope of workAC/DC85~264V
Power dissipation<5VA
Work and energy modulesElectrical energy pulsePassive optocoupler output
Communication interfaceTwo RS485 communication ports, Modbus-RTU communication protocol
Communication baud rate: 4800-9600, no parity check N81, E81, or 081
The second RS485 communication port can be configured as PROFIBUS-DP
Switching inputPassive dry junction input
Switching outputOver limit alarm or remote relay output capacity AC5A/250V,DC5A/30V
Converter output0~20mA/4~20mA/0~5V/1~5V converter output, programmable setting of converter items and corresponding output values
Working environmentAmbient temperature: -10~55℃, relative humidity <93%, no corrosive gas place, altitude <2500M
Storage environment-20~75℃, relative humidity ≤93%
Clock error< 0.5 s/d
SecureInsulationThe resistance of signal, power and output terminals to the shell is >100MΩ
Withstand voltageInput voltage >2kV, input and output >1kV, power supply and output >2kV
China Single Three Phase Intelligent Power Meter Modbus RTU Communication Protocol factory
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