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Endress+Hauser

RN221N

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

SKU: RN221N
As low as €129.00 plus VAT
Production Time: 6 working days

RN221N

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

RN221N
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As low as €129.00 plus VAT
Production Time: 6 working days

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Highlights

  • Compact side by side DIN rail housing
  • Bidirectional HART® transmission
  • Input: 1 x analog 4...20 mA
  • Output: 1 x analog 4...20 mA and relay output: 1 x no contact
  • Auxiliary power supply / Loop power supply 20...250 V DC/AC

Fields of application

  • 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

Details

The active barrier RN221N by Endress+Hauser 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.


Input/Output
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Communication protocolHART
Mechanical Data
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Dimensions22.5 x 110 x 112 mm
(0.89" x 4.33" x 4.41")
Certification/Approvals
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Hazardous approvalsATEX
FM USA IS
FM USA NI
CSA
IECEx
TIIS
GOST
Hygenic WHG
Other Approvals/ CertificationGL ship approval
SIL
Additional Information
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Ambient temperature range-20°C...50 °C
Config Data
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Panel MountingPanel mounting
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