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Safety Barrier (HD5500)

HD5500 series safety barrier provide a three -way galvanic interchange (entrance/eating/nutrition) and meet the requirements of explosion protection [Exiaga] IIS, which allows them to be used in the most dangerous zone 0 and with the most dangerous environments.
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  • HD5500

The advantage of the product

1. HD5500 uses the advanced circuit with low energy consumption, which reduces power consumption by 40% compared to the previous generation. An innovative design with convection holes between terminals creates an improved thermal canal, providing more efficient cooling. In combination with an unprecedented thickness of only 12.5 mm among analogues, this allows highly dense installation, saving more than 30% of the space in the cabinet.

2. The HD5500 is equipped with a unified USB cable for communication, excluding the need for converters of the COM port, which simplifies the configuration and provides convenient connection with the PC.

3. HD5500 supports power through a DIN-rack or installation fee, which significantly reduces the volume of power connection, reduces labor costs and facilitates the rapid installation and expansion of the system.


Video about the product



Product modelFunction characteristicMaximum energy consumptionThermal power of dispersion
HD5542Single-channel AI1.2W0.8W
HD55431 in / 2 outs of AI1.8W1.3W
HD5544Two -channel AI2.3W1.5W
HD5546Single-channel AO0.8W0.7W
HD5549Two-channel AO1.6W1.4W
HD5516Two-channel di0.8W0.8W
HD5526single -channel do2.1W(1.2 ~ 1.6) W.
HD5573Channel temperature converter0.9W0.8W
HD55751VX/2 temperature converter1.8W1.6W


Types of product use

1. Neftechymic industry (explosive zones)

• Galvanic denouement of signals of 4-20mA converters (for example, pressure sensors, level, flow)

• Isolation of signals of HART-compatible devices (for example, Rosemount 3051 converters)

2.  Gas pipelines monitoring

• Tarmoopeal signal/RTD temperature signals (for example, to control the temperature of pipelines)

• Isolation of the discrete signals Namur (for example, signals of levels and flowers)

3. Farmity/food industry

• Galvanic insulation of the RS-485 bus (to prevent data errors due to interference)

4. Aft mines/dusty media

• Sparkling denouement of sensors signals (for example, methane sensors, pollen)


Frequent questions
  • 1. What explosion -proof certificates do HD5500 support?
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    • ATEX (II 1G ex IA IIC T6 GA)
    • IECEX (EX IAC T6 GA)
    • UL/Cul (class I, II, III DIV.1)
    • Chinese explosion certification (EX IA IIC T6)
  • 2. Does the HD5500 series safety barrier support HART signal?
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    • The HD5500-HT model supports the ATGRESS of HART signals
    • subject to the following conditions:
    Equipment in the danger zone supports HART
    The system in a safe zone supports Hart
    Complete circuit resistance ≥250ω
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