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PHM-7730 Ex. Three-channel temperature quantity input module
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PHM-7730 Ex. Three-channel temperature quantity input module
PHM-7730 Ex. Three-channel temperature quantity input module
PHM-7730 Ex. Three-channel temperature quantity input module
PHM-7730 Ex. Three-channel temperature quantity input module
PHM-7730 Ex. Three-channel temperature quantity input module

PHM-7730 Ex. Three-channel temperature quantity input module

Product overview

This device excels in converting three-channel temperature signals within hazardous areas into digital signals, ensuring isolation for safety purposes. By adhering to the MODBUS RTU protocol, it seamlessly delivers these digital signals to compatible systems such as the PHM7100, PLC, or host computer systems. This ensures efficient and secure communication of critical temperature data, enabling effective monitoring and control in industrial environments.

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    product details

    Technical indicators

    Power supply

    20~35VD

    Input signal

    RTD/TC/Resistor/mV signals

    Input channels

    3 channels

    Communication interface

    RS48

    Communication protocol

    MODBUS RTU

    Cold end accuracy

    1℃

    Temperature drift

    0.005% F.S/℃

    Configuration mode

    PC programmable

    Dielectric strength

    ≥2500VAC (intrinsically safe terminal and non-intrinsically safe terminal)

    Insulation resistance

    ≥100MΩ

    Applicable field equipment

    B, E,J, K, N, R, S, T  TC, or millivolt signal sensors two-wire or three-wire TC Cu50,Cu100,pt100,pt10

    Temperature parameter

    Continuous working temperature-20℃-+60℃, storage temperature:-40℃~+85℃

    Relative air humidity

    10%-95%RH Non-condensation

    Explosion-proof sign

    [Exia Ga] ⅡC

    Authentication parameters (between terminals 1-2-3, 4-5-6, 7-8-9)

    Um=250V Uo=8.4V Io=31mA
    Co=4.8μF Lo=20mH Po=65mW

    Installation place requirements

    Can be connected with intrinsically safe instruments in zone 0 with IIA, IIB, IIC dangerous gas


    Product characteristics

    1.Low power consumption, minimal temperature drift, and seamless automatic zero calibration make this device a reliable choice for various applications. Its support for hot-plug functionality adds to its convenience and versatility.
    2.Embracing the MODBUS RTU communication protocol, this device ensures swift and efficient data transmission, boasting a communication rate of up to 115200bps. Users can count on its stability and efficiency in transferring data across systems.
    3.Offering flexibility in power supply and communication, it accommodates two methods: backplane mounting rail and terminal, catering to diverse installation requirements.
    4.When paired with the PHM-7100, it seamlessly integrates MODBUS TCP/IP support, streamlining installation and maintenance processes while enhancing data transmission performance.
    5.Each input signal's RTD/TC/Resistor/mV settings can be easily configured through programming, empowering users to tailor the device to specific application needs with precision and ease.

    product display

    • PHM-7230 Ex (5)b2q
    • PHM-7230 Ex (1)gsv