Pepperl Fuchs KFD2-STC4-Ex2

Pepperl Fuchs KFD2-STC4-Ex2

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Description

  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input 2-wire SMART transmitters
  • Output 0/4 mA … 20 mA
  • Terminals with test points
  • Up to SIL 2 acc. to IEC/EN 61508
    General specifications
    Signal typeAnalog input
    Functional safety related parameters
    Safety Integrity Level (SIL)SIL 2
    Supply
    ConnectionPower Rail or terminals 14+, 15-
    Rated voltage20 … 35 V DC
    Ripplewithin the supply tolerance
    Power dissipation1.8 W
    Power consumptionmax. 2.7 W
    Input
    Connection sidefield side
    Connectionterminals 1+, 3-; 4+, 6-
    Input signal0/4 … 20 mA
    Available voltage≥ 16 V at 20 mA, terminals 1+, 3
    Output
    Connection sidecontrol side
    Connectionterminals 7-, 8+; 10-, 11+
    Load0 … 550 Ω at 20 mA
    Output signal0/4 … 20 mA (overload > 25 mA)
    Ripplemax. 50 µA rms
    Transfer characteristics
    Deviationat 20 °C (68 °F), 0/4 … 20 mA
    ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
    Influence of ambient temperature0.25 µA/K
    Frequency rangefield side into the control side: band width with 1 Vpp signal 0 … 7.5 kHz (-3 dB)
    safe area to hazardous area: band width with 1 VSS signal 0.3 … 7.5 kHz (-3 dB)
    Settling time200 µs
    Rise time/fall time20 µs
    Galvanic isolation
    Output/power supplyfunctional insulation, rated insulation voltage 50 V AC
    Output/Outputfunctional insulation, rated insulation voltage 50 V AC
    Indicators/settings
    Display elementsLED
    Labelingspace for labeling at the front
    Directive conformity
    Electromagnetic compatibility
    Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
    Conformity
    Electromagnetic compatibilityNE 21:2011
    Degree of protectionIEC 60529:2001
    Protection against electrical shockUL 61010-1:2012
    Ambient conditions
    Ambient temperature-20 … 60 °C (-4 … 140 °F)
    Mechanical specifications
    Degree of protectionIP20
    Connectionscrew terminals
    Massapprox. 150 g
    Dimensions20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , (W x H x D) housing type B2
    Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001

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