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RNS221
Transmitter supply for DIN rail

Power supply RNS221 ©Endress+Hauser

Power supply for two 2 wire sensors or transmitters

The power supply has two galvanically isolated outputs for supplying voltage to sensors and transmitters. A built-in communication resistance enables bidirectional HART® communication with SMART sensors and transmitters.

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  • Specs at a glance

    • Output

      2 x 24 V / 30 mA
      Transmitter power supply

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  • Benefits

    • Galvanic isolation between all circuits

    • Sockets and built in 250 Ohm resistor for HART® communication

    • Wide-range power supply 20 to 250 V AC/DC, 50/60 Hz

    • Top hat DIN rail mounted housing to IEC 60715

  • Field of application

    The unit supplies two 2 wire sensors or transmitters galvanically isolated. This is only valid for non-Ex areas.
    Using the HART® communication sockets bi-directional communication to SMART transmitters, (for setting up etc.).

Details

  • Measuring principle

    Power supply

  • Measuring principle

    Power supply

  • Function

    Power supply for two 2-wire sensors or transmitters

  • Loop power supply

    20...250 V AC

    20...250 V DC

  • Auxiliary power supply / Loop power supply

    20...250 V AC

    20...250 V DC

  • Output

    2 x 24 V / 30 mA

    Transmitter power supply

  • Operation

    HART

  • Measuring principle

    Power supply

  • Function

    Power supply for two 2-wire sensors or transmitters

  • Certification

    -

  • Output

    2 x 24V / 30mA

    Transmitter power supply

  • Auxiliary power supply / Loop power supply

    20...250 V AC

    20...250 V DC

  • Dimensions (wxhxd)

    22.5 x 110 x 112 mm

    (0.89" x 4.33" x 4.41")

  • Operation

    HART

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