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RB223
Loop powered passive barrier

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

  • Passive barrier RB223 ©Endress+Hauser

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.

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® resistor for sensor configuration

Field of application

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

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: TCM141

Success stories

Contact

Endress+Hauser GmbH
Lehnergasse 4 1230 Wien , Austria
Tel.: +43 (0)1 880 56 0
Fax: +43 (0)1 880 56 335
Send email www.at.endress.com

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