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E-direct complements our traditional offering by providing you with a quick, effective way to purchase easy-to-configure, entry-level instrumentation.

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RN221N
Active barrier with optional HART® diagnosis

Active barrier with power supply for safe separation of 4...20 mA current circuits

  • Active barrier RN221N ©Endress+Hauser
  • Active barrier RN221N ©Endress+Hauser

The active barrier RN221N supplies e.g. a transmitter with power, if required also in the Ex-area, and then transmits the galvanically isolated signal. With the optionally available HART® monitoring the status of the transmitter is monitored. If an error arises a relay at the RN221N sends an alarm. The relay has to be actively set back. Thus even just briefly occurring errors can be easily located.

장점

  • Wide range power supply, flexible power source

  • Compact side by side DIN rail housing

  • International Ex approvals, Germanischer Lloyd / marine approval

  • Bidirectional HART® transmission. Communication sockets for HART® sensor setting up. Evaluation of status information from connected transmitter with HART® protocol.

  • Primary or secondary master operating mode, automatic selection

  • Sensor monitoring with early-warning system

  • Manual or automatic reset of the relay contact

적용 분야

  • Galvanic isolation of 4 to 20 mA current circuits

  • Removing large loop circuits

  • Powering 2 wire transmitters

  • Monitoring of SMART transmitters with early-warning system

  • Intrinsically safe sensor supply for Ex-area

특징 및 사양

문서 / 매뉴얼 / 소프트웨어

액세서리 / 예비 부품

기존 제품 / 신제품

선행 제품: HAA420Z, NY9170, RN221

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한국엔드레스하우저
서울특별시 영등포구 여의공원로 101 CCMM빌딩 10층 07241 , 한국
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팩스: 02 2659 2839
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