Pepperl+Fuchs KFD2-STC4-Ex1-Y1 SMART Transmitter Power Supply, Output Current Sink
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 dissipation1.4 W
Power consumption1.8 W
Input
Connection sidefield side
Connectionterminals 1+, 2-, 3 or 5-, 6+
Input signal0/4 ... 20 mA
Voltage drop≤ 2.4 V at 20 mA (terminals 5, 6)
Input resistance≤ 64 Ω terminals 2-, 3 ; ≤ 500 Ω terminals 1+, 3 (250 Ω load)
Available voltage≥ 16 V at 20 mA terminals 1+, 3
Output
Connection sidecontrol side
Connectionterminals 7+, 8-
Output signal0/4 ... 20 mA (overload > 25 mA)
Ripplemax. 50 µA rms
External supply (loop)11 ... 30 V DC
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: bandwidth with 0.5 Vpp signal 0 ... 7.5 kHz (-3 dB)
control side into the field side: bandwidth with 0.5 Vpp 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
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. 200 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
Similar model numbers:
KCD2-STC-Ex1.2O
KCD2-STC-Ex1.2O.ES
KCD2-STC-Ex1.ES
KFD2-CRG2-Ex1.D
KFD2-HLC-Ex1.D
KFD2-HLC-Ex1.D.2W
KFD2-STC5-Ex1
KFD2-STC5-Ex1.2O
KFD2-STC5-Ex1.2O.H
KFD2-STC5-Ex1.H
KFD2-STC5-Ex2
KFU8-CRG2-Ex1.D
KCD2-STC-Ex1-Y1
KCD2-STC-Ex1.ES.SP
KFD2-STC4-Ex1.2O-Y1
KFD2-STC4-Ex2-Y1
KCD2-STC-Ex1.2O.DE
KFD2-HLC-Ex1.D.4S
KCD2-STC-Ex1
KCD2-STC-Ex1.SP
KFD2-STC4-Ex1
KFD2-STC4-Ex1-Y1
KFD2-STC4-Ex1.2O
KFD2-STC4-Ex1.H
KFD2-STC4-Ex2
KFD2-STC4-Ex1.2O.H
KFD2-STV4-Ex1-1
KFD2-STV4-Ex1-2
KFD2-STV4-Ex1.2O-1
KFD2-STV4-Ex1.2O-2
KFD2-STV4-Ex2-1
KFD2-STV4-Ex2-2
KFD2-STV5-Ex1-1
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jeff@hkxytech.com jeff@whxyauto.com +86-15072331761
