Pepperl+Fuchs KFD2-DU-Ex1.D Switch Amplifier, Timer Relay
General specifications
Signal typeDigital Input
Supply
ConnectionPower Rail or terminals 23+, 24-
Rated voltage20 ... 30 V DC
Rated currentapprox. 100 mA
Power consumption1.8 W
Input
Connection sidefield side
ConnectionInput I: terminals 1+, 3- ; input II: terminals 13+, 14-
Input Iacc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit current8.2 V / 10 mA
Switching point/switching hysteresis1.2 ... 2.1 mA / approx. 0.2 mA
Pulse durationmin. 75 µs / 1 ms see instruction manuals; the maximum input frequency has to be observed.
Input frequency0 ... 80 Hz , pulse divider 0 ... 1 kHz
Line fault detectionbreakage I ≤ 0.15 mA; short-circuit I > 6.5 mA
Input IIreset
Active/PassiveI > 4 mA/I < 1.5 mA
Open circuit voltage/short-circuit current18 V / 5 mA
Pulse durationmin. 10 ms
Output
Connection sidecontrol side
Connectionoutput I: terminals 10, 11, 12 ; output II: terminals 19+, 20-
Output Isignal , Relay output
Contact loading253 V AC/ 2 A / cos φ ≥ 0.7 ; 40 V DC/ 2 A
Mechanical life5 x 107 switching cycles
Energized/De-energized delayapprox. 20 ms / approx. 20 ms
Output IIsignal , electronic unit, isolated
Contact loading40 V / 50 mA
Energized/De-energized delayafter rising input flank 3 ms ; after falling input flank 2 ms
Signal level1-signal: (L+) -2.5 V (50 mA, short-circuit/overload proof)
0-signal: blocked output (off-state current ≤ 10 µA)
Transfer characteristics
Input I
Resolution< 0.1 % of the set value, min. 10 ms
Accuracy2 ms
Influence of ambient temperature0.003 %/K (50 ppm)
Galvanic isolation
Input I/other circuitsreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I/power supply and resetreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II against eachotherreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output II/power supply and collective errorbasic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Output II/resetbasic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Reset/power supply and collective errorfunctional insulation acc. to IEC 62103, rated insulation voltage 50 Veff
Indicators/settings
Display elementsLEDs , display
Control elementsControl panel
Configurationvia operating buttons
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EUEN 61010-1:2010
Conformity
Electromagnetic compatibilityNE 21:2006
Degree of protectionIEC 60529:2001
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 300 g
Dimensions40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
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