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RN22 intrinsically safe isolating barrier, power supply and signal doubler for hazardous areas

RN22 active barrier, power supply, analog signal doubler

Intrinsically safe 24 VDC compact interface module for use in hazardous areas, SIL systems

RN22
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RN22 intrinsically safe isolating barrier, power supply and signal doubler for hazardous areas
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RN22 active barrier, power supply, analog signal doubler

The RN Series interface devices with RN22 active barrier
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©Endress+Hauser

RN Series interface devices including the RN22 active barrier

RN Series interface modules and RN22 active barrier installed in a control cabinet
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RN Series interface modules including RN22 being commissioned in a control cabinet

RN22 active barrier, power supply, analog signal doubler

Oversigt over specifikationer

  • Input

    0/4…20 mA / HART
    feeding/not feeding

  • Output

    0/4…20 mA / HART
    active/passive

  • Power Supply

    24 V DC

Anvendelsesområde

The 1- or 2-channel RN22 active barrier powers analog instrument loops and safety instrumented systems up to SIL 2 (SC 3). The intrinsically safe, HART® transparent interface establishes a reliable link between field devices and process control. It interfaces with 2-/4-wire devices in hazardous areas and provides a second galvanically isolated signal output acc. to NAMUR NE 175. This opens a second channel for the process optimization domain without affecting the traditional automation system.

  • Single- or two-channel active barrier, power supply or signal doubler

  • 0/4 to 20 mA analog signal transmission (NAMUR NE 43) and galvanic isolation

  • Intrinsic safety for operation in hazardous areas (Zone 2)

  • Bidirectional HART® communication (transparent)

  • 2- and 4-wire capability for instruments in hazardous areas (Zones 0/20)

  • Ambient temperature range: -40 … 60 °C (-40 … 140 °F)

Fordele

  • Intrinsically safe interface device suited for use in safety instrumented systems up to SIL 2 (SC 3) in accordance with IEC 61508

  • Quick and easy wiring with screw or push-in terminals or power supply via power rail T-connector

  • Easy access to frontside HART® connection taps

  • Compact housing: up to two channels on 12.5 mm (0.49 in) for efficient use of space in control cabinets

Videoer

  • Explained in under 3 minutes - RN22 and RN42

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