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RLN42 2-channel, wide-range isolating amplifier with universal power supply

RLN42 NAMUR isolating amplifier

NAMUR isolating amplifier, 2-channel with 24 to 230 V AC/DC and NAMUR or switching contact input as well as relay output, optionally with SIL and Ex

RLN42
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RLN42 2-channel NAMUR isolating amplifier with universal power supply and relay signal output
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©Endress+Hauser

RLN42 isolating amplifier, NAMUR switch

The RN Series interface offering including the RLN42 isolating amplifier
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The RN Series interface devices including the RLN42 isolating amplifier

RN Series interfaces installed in a control cabinet
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The RN Series interface modules with RLN42 isolating amplifier being commissioned

RLN42 isolating amplifier, NAMUR switch

Oversigt over specifikationer

  • Input

    NAMUR
    blocking: < 1,2 mA
    conducting: > 2,1 mA

  • Output

    relay contact

  • Power Supply

    20...250 V AC/DC

Anvendelsesområde

The NAMUR isolating amplifier is designed for safe operation of proximity switches according to EN 60947-5-6 (NAMUR) as well as open and mechanical contacts with resistive coupling elements. It has a universal power supply (24 to 230 V AC/DC) and one relay output (changeover) per channel. The device is approved for intrinsically safe (Ex i) circuits up to zone 0 (gas) and zone 20 (dust) in the Ex area. RLN42 can be used in safety equipment up to SIL 2 in accordance with IEC 61508.

  • Isolating amplifier for binary switch signals

  • Wide-range power supply (24 to 230 V AC/DC)

  • Input for proximity sensors acc. to NAMUR (EN 60947-5-6); floating contacts or contacts with resistance circuit

  • Monitoring of input circuits for line faults such as line break and short-circuit (LFD), disengageable

  • Output-side relay contacts as signal output, direction of action can be selected via DIP switches

  • Ambient temperatures -40 to 60 °C (-40 to 140 °F)

  • Installation in hazardous areas zone 2 / div 2

Fordele

  • Simple and fast wiring with pluggable terminals

  • Suited for use in safety instrumented systems up to SIL 2 (IEC 61508)

  • Compact housing width with 17.5 mm (0.69 in) for efficient use of space

  • Galvanic 3-way isolation

Fundamental

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Enkelhed

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