Pepperl+Fuchs KFA5-DU-Ex1.D Switch Amplifier, Timer Relay
General specifications
Signal type Digital Input
Supply
Connection terminals 23, 24
Rated voltage 115 V AC ± 10 %
Rated current 35 mA
Power consumption 4 VA
Input
Connection side field side
Connection Input I: terminals 1+, 3- ; input II: terminals 13+, 14-
Input I acc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit current 8.2 V / 10 mA
Switching point/switching hysteresis 1.2 ... 2.1 mA / approx. 0.2 mA
Pulse duration min. 75 µs / 1 ms see instruction manuals; the maximum input frequency has to be observed.
Input frequency 0 ... 80 Hz , pulse divider 0 ... 1 kHz
Line fault detection breakage I ≤ 0.15 mA; short-circuit I > 6.5 mA
Input II reset
Active/Passive I > 3 mA / I < 1.5 mA
Open circuit voltage/short-circuit current 12 V / 3.5 mA
Pulse duration min. 10 ms
Output
Connection side control side
Connection output I: terminals 10, 11, 12 ; output II: terminals 19+, 20-
Output I signal , Relay output
Contact loading 253 V AC/ 2 A / cos φ ≥ 0.7 ; 40 V DC/ 2 A
Mechanical life 5 x 107 switching cycles
Energized/De-energized delay approx. 20 ms / approx. 20 ms
Output II signal , electronic unit, isolated
Contact loading 40 V / 50 mA
Energized/De-energized delay after rising input flank 3 ms ; after falling input flank 2 ms
Signal level 1-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
Accuracy 2 ms
Influence of ambient temperature 0.003 %/K (50 ppm)
Galvanic isolation
Input I/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I/power supply and reset reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II against eachother reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output II/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output II/reset basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Reset/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elements LEDs , display
Control elements Control panel
Configuration via operating buttons
Labeling space for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EU EN 61010-1:2010
Conformity
Electromagnetic compatibility NE 21:2006
Degree of protection IEC 60529:2001
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass approx. 300 g
Dimensions 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
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