Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Switch Amplifier, 1-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 ≤ 45 mA

Power dissipation ≤ 0.9 W

Power consumption ≤ 0.9 W

Input

Connection side field side

Connection terminals 1+, 2+, 3-

Rated values acc. to EN 60947-5-6 (NAMUR)

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

Line fault detection breakage I ≤ 0.1 mA , short-circuit I > 6 mA

Pulse/Pause ratio min. 20 ms / min. 20 ms

Output

Connection side control side

Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12

Output I signal ; relay

Output II signal or fault message ; relay

Contact loading 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load

Minimum switch current 2 mA / 24 V DC

Energized/De-energized delay approx. 20 ms / approx. 20 ms

Mechanical life 107 switching cycles

Collective error message Power Rail

Transfer characteristics

Switching frequency ≤ 10 Hz

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 reinforced 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+A1:2019+A1:2019/AC:2019

More detail related model as below:

KFA6-SR2-EX2.W

KFD2-CD-EX1.32

KFD2-STC5-EX1

KFD2-UT2-EX1

KFD2-SOT3-EX2

KFD0-CS-EX1.50P

KFD2-SR2-EX1.W.LB

NBB15-U1-E2

KFD2-RSH-1.2E.L2

KFD0-RO-2

KFD2-CRG2-1.D

KFD2-STC5-1.2O

KFD2-STC5-EX1.2O

UC2000-30GM-IUR2-V15

KCD2-STC-1

KCD2-STC-1.2O

KCD2-STC-EX1

KFD2-UT-EX1

KFD2-STC4-EX2

KFD2-EB2

UPR-03

Z728

Z960

KFD2-SR2-EX2.W

KFD2-STC5-EX2

KFD2-SCD2-EX2.LK

KFD2-STC5-EX2

KFD2-SCD2-EX2.LK