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Item number: 811-

Power Pack with Additional Functions, FSK, HART, Ex/NEx

  • discontinuedPower Pack with Additional Functions, FSK, HART, Ex/NEx

Power pack for supplying power to 2-wire measuring transducers with DC auxiliary power, and for 1:1 transmission of the measuring signal, electrically isolated from the measurement output.

Conversion to another signal range is also possible, for example 0 to 5 mA or 1 to 5 V (signal converter).

Certain variants of the B811 are FSK compatible (frequency shift keying). They are used for dialog-capable "intelligent" measuring transducers with FSK technology and HART or a company-specific protocol.

  • Technical characteristics
    • Hand-held FSK compatible terminal can be connected to separate terminals / allows for interaction with "intelligent" measuring transducers with 2-wire connection which utilize FSK technology and HART or a company-specific protocol
    • Electrical isolation between measuring/supply circuit, output and auxiliary power
    • Power supply: integrated AC-DC power pack with large tolerance range
    • Monitors measuring/supply circuit for cable interruptions and short-circuits / indicates errors with a red LED, relay and/or a failure signal


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