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Surge protection type communication signal input signal isolator

1 input 1 output

Input :RS-485 Half Duplex Digital Signal

Output :RS-485 Half Duplex Digital Signal


    The communication signal of PHG-11TC-33+ is the isolated safety barrier  with surge protection function, which can realize the two-way communication of  RS-485 Half Duplex digital signal in the control room and on site. 
    This product needs independent power supply, and the power supply, input and output are isolated.


    Input signal RS-485 Half Duplex Digital Signal
    Output signal RS-485 Half Duplex Digital Signal
    Transmission delay ≤10μs
    Transmission rate ≤115.2kbps
    Surge protection features:
    Nominal discharge current ln(8/20μs) 5kA
    Voltage protection level Up(8/20μs): 60V(line to line)
    Voltage protection level Up(8/20μs): 600V(line to ground)
    According to standards GB/T18802.21-2016(equivalent to 1EC61643-21:2012)
    Supply voltage 20-35VDC
    Power consumption 0.9W(24V power supply)
    LED indicator Green: power indicator
    Yellow: The control room transmits signals to the on site
    Red: transmitting signals from the site to the control room
    Receiving and transmitting switching time ≥20ms
    Temperature parameters Working temperature: -20℃~+60℃
    storage temperature:-40℃~+80℃
    Relative humidity 10%~95% RH no condensation
    Insulation strength ≥2000VAC/min  (between input/output/power supply)
    Insulation resistance 100MΩ(500V DC)   (between input/output/power supply)
    Electromagnetic compatibility GB/T 18268 (IEC 61326-1)
    MTBF 80000h
    Wire requirements Horizontal cutting surface ≥ 0.5mm2; Insulation strength ≥ 500V
    Applicable field equipments Communication interface device with RS-485 Half Duplex Digital Signal


    PHG-11TC-33+ .jpg

    Schematic diagram

    PHG-11TC-33+ (1).jpg


    1. The power rail function is an optional function, and users need to specify the power supply method when placing an order

    The selection of power rail connectors can refer to page 89 of the "Annex"