Pepperl+Fuchs KFD2-SRA-Ex4 Switch Amplifier
General specifications
Signal type Digital Input
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 19 ... 30 V DC
Ripple ≤ 10 %
Rated current 45 ... 70 mA
Power dissipation 1.2 W
Input
Connection side field side
Connection terminals 1-, 2+, 3-; 4-, 5+, 6-
Rated values acc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit current approx. 8 V DC / approx. 8 mA
Switching point/switching hysteresis 1.2 ... 2.1 mA / approx. 0.2 mA
Pulse/Pause ratio min. 35 ms / min. 35 ms (non-AC operation) min. 70 ms / min. 70 ms (AC operation)
Line fault detection breakage I ≤ 0.15 mA , short-circuit I > 6 mA
Output
Connection side control side
Connection output I: terminals 7, 8 ; output II: terminals 8, 9 ; output III: terminals 10, 11 ; output IV: terminals 11, 12
Output I ... IV Signal I ... Signal IV ; relay
Contact loading 253 V AC/2 A /cos φ > 0.7; 40 V DC/2 A resistive load;
Energized/De-energized delay approx. 30 ms / approx. 30 ms
Mechanical life 5 x 106 switching cycles
Collective error message Power Rail
Transfer characteristics
Switching frequency ≤ 10 Hz (non-AC operation) ≤ 3 Hz (AC operation)
Galvanic isolation
Input/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/Output basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elements LEDs
Control elements DIP switch
Configuration via DIP switches
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
Input EN 60947-5-6:2000
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass approx. 150 g
Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
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Any questions, feel free to contact us
jeff@hkxytech.com jeff@whxyauto.com +86-15072331761
