3-Phase Modbus Energy Meter with RS485 | PC4713

Main Feature:

The PC4713 is a 3-phase Modbus and RS485 energy meter with CT clamp-based measurement, designed for industrial power monitoring, EMS integration, solar PV, and energy storage applications. It supports Modbus RTU, Modbus TCP, MQTT, and HTTP communication for flexible local and cloud-based energy management.


  • Model: The PC4713-W-485
  • Dimension: 19(W) x 69(D) x 90(H)mm




  • Product Detail

    Main Spec

    Product Tags

    Main Features

    • Supports Wi-Fi and RS485 communication for industrial power monitoring, EMS integration, and remote energy management.
    • Supports Modbus RTU (RS485), Modbus TCP, MQTT, and HTTP protocols for seamless integration with EMS, BMS, SCADA, PLC, and IoT platforms
    • Compatible with single-phase, split-phase, and three-phase four-wire electrical systems.
    • Supports up to 3 external CT clamp inputs (80A–750A) for industrial power monitoring, solar PV systems, battery energy storage systems, and commercial energy management.
    • Real-time monitoring of voltage, current, frequency, power factor, active power, reactive power, and apparent power
    • Supports bidirectional energy monitoring for grid import/export measurement, solar generation tracking, and battery energy storage applications.
    • Designed for industrial power monitoring, EMS integration, renewable energy systems, and industrial automation projects requiring Modbus and RS485 communication.

    Why Choose PC4713 as a Modbus and RS485 Energy Meter

    The PC4713 combines CT clamp measurement, RS485 Modbus communication, and bidirectional energy monitoring in a compact DIN-rail design, making it suitable for EMS integration, industrial power monitoring, solar PV systems, and battery energy storage projects.

    Advantage Benefit
    CT Clamp Energy Meter Design No cable cutting or rewiring required
    RS485 Modbus RTU Communication Compatible with PLC, SCADA, EMS and BMS platforms
    Modbus TCP & MQTT Support Flexible local and cloud integration
    Bidirectional Energy Monitoring Suitable for solar PV and battery storage systems
    Multi-System Compatibility Supports single-phase, split-phase and three-phase applications

    By combining CT clamp installation, RS485 Modbus communication, and bidirectional energy monitoring, the PC4713 provides a practical solution for industrial power monitoring, EMS integration, solar PV systems, and energy storage projects.

    Application Scenarios

    • Energy Management Systems (EMS)
    • Building Management Systems (BMS)
    • Industrial Power Monitoring
    • Solar PV Monitoring
    • Battery Energy Storage Systems (ESS)
    • Utility Sub-Metering

    Industrial Power Monitoring Installation Examples

    Three Phase Three Wire

    Three Phase Four Wire

    FAQ

    Q1: What is an RS485 energy meter used for?
    A: An RS485 energy meter is commonly used for industrial power monitoring, EMS integration, BMS systems, solar PV monitoring, and energy storage applications where reliable Modbus communication is required.

    Q2: Can PC4713 integrate with EMS and BMS platforms?
    A: Yes. The PC4713 supports RS485 Modbus RTU, Modbus TCP, MQTT, and HTTP communication, enabling seamless integration with EMS, BMS, SCADA, PLC, and industrial automation platforms.

    Q3: Is PC4713 suitable for anti-backflow applications?
    A: Yes. The meter provides real-time import and export energy data required for export limitation, zero-export control, and anti-backflow monitoring applications.

    Q4: What electrical systems are supported?
    A: The PC4713 supports single-phase, split-phase, three-phase 3-wire, and three-phase 4-wire electrical systems.

    Q5: What CT options are available for the PC4713?
    A: The PC4713 supports external CT clamps from 80A to 750A, making it suitable for commercial buildings, industrial facilities, solar PV systems, battery energy storage systems, and utility sub-metering projects.

    Q: What is the difference between a Modbus energy meter and an RS485 energy meter?
    A: RS485 refers to the physical communication interface, while Modbus RTU is the communication protocol commonly transmitted over RS485 networks. In industrial applications, the terms “Modbus energy meter” and “RS485 energy meter” are often used interchangeably because most RS485 energy meters communicate using the Modbus RTU protocol.

    Connectivity
    Wi-Fi • 802.11 b/g/n @2.4GHz• HTTP/ MQTT/ Modbus TCP
    RS485 Port • Modbus RTU
    Physical Specifications

    Operating Voltage

    (RMS for each phase)

    90~277 Vac  50/60Hz
    Supported Systems • Single-Phase• Split-Phase• Three-Phase (included 3-Phase, 3-Wire)
    Voltmeters Accuracy • ±1%
    Ammeters Accuracy • 80A CT: ±1%(1-80A),±2%(0-1A)• 120A CT: ±1%(2-120A),±2%(0-2A)• 200A CT: ±1%(2-200A),±2%(0-2A)• 300A CT: ±1%(6-300A),±2%(2-6A),±5%(0-2A)• 500A CT: ±1%(6-500A),±2%(2-6A),±5%(0-2A)• 750A CT: ±1%(6-750A),±2%(2-6A),±5%(0-2A
    Data Refresh • 50ms
    Response Time • 50msRS485)• 200ms (Wi-Fi)
    Operating Environment

    • Temperature: -20 ℃~+55 ℃

    • Humidity: ≤ 90% non-condensing

    Mount Type • 35mm DIN rail mounting
    Dimension • 19(W) x 69(D) x 90(H)mm
    Metering Data • Voltage
    • Current
    • Power Factor
    • Frequency
    • Active Power
    • Reactive Power
    • Apparent Power

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