Pepperl+Fuchs KFD2-SOT3-Ex2 Switch Amplifier, 2-channel isolated barrier, 24 V DC supply (Power Rail).

General specifications

Signal type Digital Input

Functional safety related parameters

Safety Integrity Level (SIL) SIL 2

Systematic capability (SC) SC 3

Supply

Connection Power Rail or terminals 14+, 15-

Rated voltage Ur 19 ... 30 V DC

Ripple ≤ 10 %

Rated current Ir 30 ... 20 mA

Power dissipation ≤ 1.1 W including maximum power dissipation in the output

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. 10 V DC / approx. 8 mA

Switching point/switching hysteresis 1.2 ... 2.1 mA / approx. 0.2 mA

Line fault detection breakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA

Pulse/Pause ratio min. 100 µs / min. 100 µs

Output

Connection side control side

Connection output I: terminals 7, 8 ; output II: terminals 8, 9

Rated voltage Ur 30 V DC

Rated current Ir 100 mA , short-circuit protected

Response time ≤ 200 µs

Signal level 1-signal: (external voltage) - 3 V max. for 100 mA

0-signal: blocked output (off-state current ≤ 10 µA)

Output I signal ; Transistor

Output II signal ; Transistor

Collective error message Power Rail

Transfer characteristics

Switching frequency ≤ 5 kHz

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 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)

Conformity

Electromagnetic compatibility NE 21:2012 , EN 61326-3-2:2008

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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