Pepperl+Fuchs KFD2-STC5-2 SMART Transmitter Power Supply
General specifications
Signal type Analog input
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
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
Input/Output basic insulation according to IEC 61010-1, rated insulation voltage 300 Veff
Input/power supply basic insulation according to IEC 61010-1, rated insulation voltage 300 Veff
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 ... 70 °C (-4 ... 158 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass approx. 150 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
Similar model numbers:
KFD2-DWB-1.D
KFD2-SR2-2.W.SM
KFD2-UFC-1.D
KFD2-UFT-2.D
KFU8-DW-1.D
KFU8-DWB-1.D
KFU8-UFC-1.D
KFU8-UFT-2.D
KFU8-UFC-1.D.FA
Any questions, feel free to contact us
jeff@hkxytech.com jeff@whxyauto.com +86-15072331761
