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RB223
Loop powered passive barrier

Passive barrier RB223 ©Endress+Hauser

One or two-channel barrier for the safe separation of 4...20 mA standard signal circuits

The RB223 passive barrier can be used to galvanically isolate active signal circuits (0 to 20 mA) in three applications:
Transmission from non-Ex to Ex areas e.g for active adjusters, controllers or indicators,
Transmission from Ex to non-Ex areas for connection of active, intrinsically safe circuits to the PLC,
Transmission from Ex to non-Ex areas for supply of intrinsically safe transmitters with non-intrinsically safe transmitter power supply.

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Additional components

  • Benefits

    • Compact side-by-side housing for DIN rail

    • Space-saving one-channel and two-channel version

    • No power supply necessary

    • International Ex approvals; Can be used up to SIL 3

    • Bidirectional HART® transmission

    • Communication sockets for HART® + integrated HART®...

  • Field of application

    Separation of active 0/4 to 20 mA signals from transmitters, valves and adjusters.

Features and specifications

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Details

  • Measuring principle

    Passive barrier

  • Measuring principle

    Power supply

  • Function

    Passive barrier for safe seperation of 4...20 mA current circuit

  • Loop power supply

    Loop powered

  • Power Supply

    Not defined

  • Auxiliary power supply / Loop power supply

    Loop powered

  • Input

    2 x analog 4...20 mA

  • Output

    2 x analog 4...20 mA

  • Software functions

    Not defined

  • Certificates

    CSA GP

    ATEX Ex ia

    CSA IS

    CSA NI

    SIL

  • SIL

    Not defined

  • Operation

    HART

  • Measuring principle

    Power supply

  • Function

    Passive barrier for safe seperation of 4...20 mA current circuit

  • Certification

    CSA GP

    ATEX Ex ia

    CSA IS

    CSA NI

    SIL

  • Input

    2 x analog 4...20 mA

  • Output

    2 x analog 4...20 mA

  • Auxiliary power supply / Loop power supply

    Loop powered

  • Dimensions (wxhxd)

    22.5 x 110 x 112 mm

    (0.89" x 4.33" x 4.41")

  • Operation

    HART

Documents / Manuals / Software

Accessories / Spare parts

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Specification

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