Pepperl+Fuchs isolated barrier KFD2-SL2-Ex1

Pepperl+Fuchs isolated barrier KFD2-SL2-Ex1

Solenoid Driver KFD2-SL2-Ex1

Pepperl+Fuchs isolated barrier KFD2-SL2-Ex1

Features
• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Output 45 mA at 11.7 V DC
• Logic input, non-polarized
• Line fault detection (LFD)
• Up to SIL 2 acc. to IEC 61508


Function
This isolated barrier KFD2-SL2-Ex1 is used for intrinsic safety applications. It supplies power to solenoids, LEDs, and audible alarms, located in a hazardous area. It is controlled via a logic signal. The input has two defined states: 1-Signal = 16 V DC ... 30 V DC, 0- Signal = 0 V DC ... 5 V DC. The current consumption of the input is about 3 mA. Pepperl+Fuchs isolated barrier KFD2-SL2-Ex1
At full load, 11.7 V at 45 mA is available for the hazardous area application.
If the field impedance is > 10 kΩ for lead breakage or < 50 Ω for short circuits a line fault is detected.
A fault is signalized by LEDs acc. to NAMUR NE44 and a separate collective error message output.


General specifications
Signal type Digital Output
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage Ur 20 ... 30 V DC
Power consumption ≤ 1.7 W at 45 mA output current
Input
Connection side control side
Connection terminals 7, 8
Input current approx. 3 mA at 24 V DC
Signal level 1-signal: 16 ... 30 V DC
0-signal: 0 ... 5 V DC
Output
Connection side field side
Connection terminals 1+, 2- or 3-
Internal resistor Ri 272 Ω
Current Ie ≤ 45 mA
Voltage Ue ≥ 11.7 V
Open loop voltage Us ≥ 24 V


Detailed Models
Pepperl+Fuchs isolated barrier KFD2-SL2-Ex1
P+F KCD2-SCD-1
P+F KCD2-SCD-EX1
P+F KCD2-SR-EX1.LB
P+F KCD2-SR-EX2
P+F KCD2-STC-1
P+F KCD2-STC-EX1
P+F KCD2-STC-EX1.2O
P+F KCD2-UT2-EX1
P+F KFA6-SR2-Ex1.W
P+F KFD0-SD2-Ex1.1045
P+F KFD2-CD2-EX1
P+F KFD2-CRG2-EX1.D
P+F KFD2-DWB-1.D
P+F KFD2-EB2
P+F KFD2-GU-1
P+F KFD2-GUT-Ex1.D
P+F KFD2-SCD2-EX2.LK
P+F KFD2-SH-EX1.T.OP
P+F KFD2-SOT2-Ex2
P+F KFD2-SR2-Ex1.W.LB
P+F KFD2-SR2-Ex2.W
P+F KFD2-ST2-Ex2
P+F KFD2-STC4-1
P+F KFD2-STC4-EX2 
P+F KFD2-STC4-Ex2
P+F KFD2-UT2-1
P+F KFD2-UT2-2
P+F KFD2-UT2-EX1
P+F KFD2-UT2-Ex2
P+F KFD2-VR4-EX1.26

Pepperl+Fuchs isolated barrier KFD2-SL2-Ex1

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