Pepperl Fuchs KFD2-STC5-Ex2

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Description

  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input 2-wire and 3-wire SMART transmitters and 2-wire SMART current sources
  • Output 4 mA … 20 mA current sink/current source
  • Terminals with test points
  • Up to SIL 2 (SC 3) acc. to IEC/EN 61508
    General specifications
    Signal type Analog input
    Functional safety related parameters
    Safety Integrity Level (SIL) SIL 2
    Systematic capability (SC) SC 3
    Supply
    Connection Power Rail or terminals 14+, 15-
    Rated voltage 18 … 30 V DC
    Ripple within the supply tolerance
    Power dissipation ≤ 1.4 W at maximum load
    Power consumption ≤ 2.6 W at maximum load
    Input
    Connection side field side
    Connection terminals 1+, 2-, 3; 4+, 5-, 6
    Input signal 4 … 20 mA
    Open circuit voltage/short-circuit current terminals 1+, 3; 4+, 6: 23 V / 25 mA
    Input resistance max. 265 Ω terminals 2-, 3; 5-, 6 , max. 330 Ω terminals 1+, 3; 4+, 6
    Available voltage ≥ 16 V at 20 mA ; ≥ 20 V at 4 mA , terminals 1+, 3; 4+, 6
    Output
    Connection side control side
    Connection terminals 7+, 8-, 9-; 10+, 11-, 12- (sink)
    terminals 7-, 8+, 9+; 10-, 11+, 12+ (source)
    see additional information
    Load 0 … 600 Ω
    Output signal 4 … 20 mA (overload > 25 mA)
    Ripple max. 50 µA rms
    External supply (loop) 2 … 30 V DC
    If the external voltage is > 19 V, a load ≥ ((V – 19) / 0.02) Ω is required. V represents the value of the external voltage.
    The internal 250 Ω resistor at terminals 9 and 12 can be used as a load.
    Transfer characteristics
    Deviation at 20 °C (68 °F), 4 … 20 mA
    ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
    Influence of ambient temperature ≤ 0.25 µA/K
    Frequency range field 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 time 200 µs
    Rise time/fall time 100 µs
    Galvanic isolation
    Output/power supply functional insulation, rated insulation voltage 50 V AC
    Output/Output functional insulation, rated insulation voltage 50 V AC
    Indicators/settings
    Display elements LED
    Labeling space for labeling at the front
    Directive conformity
    Electromagnetic compatibility
    Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
    Conformity
    Electromagnetic compatibility NE 21:2012
    EN 61326-3-2:2008
    Degree of protection IEC 60529:2001
    Protection against electrical shock UL 61010-1:2012
    Ambient conditions
    Ambient temperature -20 … 60 °C (-4 … 140 °F)
    extended ambient temperature range up to 70 °C (158 °F), refer to manual for necessary mounting conditions
    Mechanical specifications
    Degree of protection IP20
    Connection screw terminals
    Mass approx. 200 g
    Dimensions 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) (W x H x D) , housing type B2
    Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
    Data for application in connection with hazardous areas
    EU-type examination certificate CML 17 ATEX 2031X
    Marking Ex-Hexagon II (1)G [Ex ia Ga] IIC
    Ex-Hexagon II (1)D [Ex ia Da] IIIC
    Ex-Hexagon I (M1) [Ex ia Ma] I
    Input [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
    Supply
    Maximum safe voltage 250 V (Attention! The rated voltage can be lower.)
    Equipment terminals 1+, 3-; 4+, 6-
    Voltage 26.2 V
    Voltage 27.25 V
    Current 93 mA
    Power 634 mW
    Equipment terminals 2-, 3+; 5-, 6+
    Voltage 30 V
    Current 115 mA
    Power max 1 W
    Voltage 2 V
    Current 8.5 mA
    Power 4.3 mW
    Equipment terminals 1+, 2/3-; 4+, 5/6-
    Voltage 26.2 V
    Voltage 27.25 V
    Current 115 mA
    Power 784 mW
    Certificate CML 17 ATEX 3030X
    Marking Ex-Hexagon II 3G Ex ec IIC T4 Gc
    Galvanic isolation
    Input/Output safe electrical isolation acc. to IEC/EN 60079-11:2007, voltage peak value 375 V
    Input/power supply safe electrical isolation acc. to IEC/EN 60079-11:2007, voltage peak value 375 V
    Directive conformity
    Directive 2014/34/EU EN IEC 60079-0:2018+AC:2020 , EN 60079-7:2015+A1:2018 , EN 60079-11:2012
    International approvals
    UL approval E106378
    Control drawing 116-0439 (cULus)
    IECEx approval
    IECEx certificate IECEx CML 17.0016X
    IECEx marking [Ex ia Ga] IIC , [Ex ia Da] IIIC , [Ex ia Ma] I
    Ex ec IIC T4 Gc
    General information
    Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

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