Features of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Dry contact or NAMUR inputs
• Input frequency 1 mHz ... 5 kHz
• Current output 0/4 mA ... 20 mA
• Relay and transistor output
• Start-up override
• Configurable by PACTwareTM or ke ypad
• Line fault detection (LFD)
• Up to SIL2 acc. to IEC 61508
Function of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
This isolated barrier KFD2-UFC-Ex1.D is used for intrinsic safety applications. It is a universal frequency converter that changes a digital input (NAMUR sensor/mechanical contact) into a proportional free adjustable 0/4 mA ... 20 mA analog output and functions as a switch amplifier and a trip alarm.
Also the functions of the switch outputs (2 relay outputs and 1 potential free transistor output) are easily adjustable [trip value display (min/max alarm), serially switched output, pulse divider output, error signal output].Pepperl+Fuchs isolated barrier KFD2-UFC-EX1.D
The unit is easily programmed by the use of a keypad located on the front of the unit or with the PACTware™ configuration software.
Line fault detection of the field circuit is indicated by a red LED and through the collective error output via Power Rail.Pepperl+Fuchs isolated barrier KFD2-UFC-EX1.D
General Specification for Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
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Model |
KFD2-UFC-EX1.D |
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General specifications of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters |
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Signal type |
Digital Input |
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Functional safety related parameters |
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Safety Integrity Level (SIL) |
SIL 2 |
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Supply of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters |
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Connection |
terminals 23+, 24- or power feed module/Power Rail |
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Rated voltage Ur |
20 ... 30 V DC |
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Rated current Ir |
approx. 100 mA |
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Power dissipation/power consumption |
≤ 2 W / 2.2 W |
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Input of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters |
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Connection side |
field side |
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Connection |
Input I: intrinsically safe: terminals 1+, 3- Input II: non-intrinsically safe: terminals 13+, 14- |
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Input I |
sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact |
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Pulse duration |
> 50 μs |
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Input frequency |
0.001 ... 5000 Hz |
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Line fault detection |
breakage I ≤ 0.15 mA; short-circuit I > 6.5 mA |
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Open circuit voltage/short-circuit current |
22 V / 40 mA |
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Input resistance |
4.7 kΩ |
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Switching point/switching hysteresis |
logic 1: > 2.5 mA ; logic 0: < 1.9 mA |
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Pulse duration |
> 50 μs |
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Input frequency |
0.001 ... 12000 Hz |
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Line fault detection |
breakage I ≤ 0.15 mA; short-circuit I > 4 mA |
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Input II |
startup override: 1 ... 1000 s, adjustable in steps of 1 s |
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Active/Passive |
I > 4 mA (for min. 100 ms) / I < 1.5 mA |
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Open circuit voltage/short-circuit current |
18 V / 5 mA |
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Output of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters |
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Connection side |
control side |
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Connection |
output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 outout III: terminasl 19+, 20- output IV: terminals 8+, 7- |
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Output I, II |
signal, relay |
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Contact loading |
250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A |
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Mechanical life |
5 x 107 switching cycles |
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Energized/De-energized delay |
approx. 20 ms / approx. 20 ms |
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Output III |
electronic output, passive |
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Contact loading |
40 V DC |
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Signal level |
1-signal: (L+) - 2.5 V (50 mA, short-circuit/overload proof) 0-signal: switched off (off-state current ≤ 10 μA) |
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Output IV |
analog |
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Current range |
0 ... 20 mA or 4 ... 20 mA |
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Open loop voltage |
≤ 24 V DC |
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Load |
≤ 650 Ω |
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Fault signal |
downscale I ≤ 3.6 mA , upscale ≥ 21.5 mA (acc. NAMUR NE43) |
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Collective error message |
Power Rail |
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Transfer characteristics of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters |
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Input I |
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Measurement range |
0.001 ... 5000 Hz |
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Resolution |
0.1 % of measured value , ≥ 0.001 Hz |
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Accuracy |
0.1 % of measured value , > 0.001 Hz |
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Measuring time |
< 100 ms |
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Influence of ambient temperature |
0.003 %/K (30 ppm) |
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Output I, II |
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Response delay |
≤ 200 ms |
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Output IV |
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Resolution |
< 10 μA |
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Accuracy |
< 20 μA |
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Influence of ambient temperature |
0.005 %/K (50 ppm) |
Order models of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
KFA6-SR2-Ex1.W KFD0-SD2-Ex1.1045 KFD2-CD2-EX1 KFD2-CRG2-EX1.D KFD2-DWB-1.D KFD2-EB2 KFD2-GU-1 KFD2-GUT-Ex1.D
KFD2-SCD2-EX2.LK KFD2-SH-EX1.T.OP KFD2-SOT2-Ex2 KFD2-SR2-Ex1.W.LB KFD2-SR2-Ex2.W KFD2-ST2-Ex2 KFD2-STC4-1
KFD2-SL2-Ex1 KFD2-SR2-Ex1.W KFD2-STC4-Ex1 KFD2-SR2-EX.1.W.LB KFD2-EB2.R4A.B KFD2-SCD2-EX1.LK KFD2-SR2-EX2.W
KFD2-SL2-EX2.B KFD0-TT-EX1 KFD0-TR-EX1 KFD2-STC4-EX2 KFD2-UFC-EX1.D KFD2-SCD2-EX2-LK KFD2-CD-EX1.32-15
KFD2-STC4-EX1.2O KFD2-SH-EX1.T.OP KFD2-SR2-EX2.2S KFD2-BR-1.PA.93 KFD2-UT2-EX2 KFD2-UFC-EX1.D KFD0-SD2-EX1.1045
KFD2-SOT2-EX1.LB KFD2-STC4-EX1.20 KFD2-STC4-1.20 KFD2-SCD2-EX2.LK KFD2-SCD2-2.LK KFD2-SH-EX1 KFD0-SD2-Ex2.1245
KFD2-SL2-Ex1.LK KFD2-BR-Ex1.3PA.93 KFD2-CD2-EX2 KFD2-UT2-EX2 KFD2-STC4-EX1.2O KFD2-CR4-1.2O KFD2-CD2-EX1 KFD2-SL2-EX2
Ordering Models of Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
KCD2-SCD-1 KCD2-SCD-EX1 KCD2-SR-EX1.LB KCD2-SR-EX2 KCD2-STC-1 KCD2-STC-EX1 KCD2-STC-EX1.2O KCD2-UT2-EX1 KFA6-SR2-Ex1.W KFD0-SD2-Ex1.1045 KFD2-CD2-EX1 KFD2-CRG2-EX1.D KFD2-DWB-1.D KFD2-EB2 KFD2-GU-1 KFD2-GUT-Ex1.D KFD2-SCD2-EX2.LK KFD2-SH-EX1.T.OP KFD2-SOT2-Ex2 KFD2-SR2-Ex1.W.LB KFD2-SR2-Ex2.W KFD2-ST2-Ex2 KFD2-STC4-1 KFD2-STC4-EX2 KFD2-STC4-Ex2 KFD2-UT2-1 KFD2-UT2-2 KFD2-UT2-EX1 KFD2-UT2-Ex2 KFD2-VR4-EX1.26
Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
KCD2-SCD-1 KCD2-SCD-EX1 KCD2-SR-EX1.LB KCD2-SR-EX2 KCD2-STC-1 KCD2-STC-EX1 KCD2-STC-EX1.2O KCD2-UT2-EX1 KFA6-SR2-Ex1.W KFD0-SD2-Ex1.1045 KFD2-CD2-EX1 KFD2-CRG2-EX1.D KFD2-DWB-1.D KFD2-EB2 KFD2-GU-1 KFD2-GUT-Ex1.D KFD2-SCD2-EX2.LK KFD2-SH-EX1.T.OP KFD2-SOT2-Ex2 KFD2-SR2-Ex1.W.LB KFD2-SR2-Ex2.W KFD2-ST2-Ex2 KFD2-STC4-1 KFD2-STC4-EX2 KFD2-STC4-Ex2 KFD2-UT2-1 KFD2-UT2-2 KFD2-UT2-EX1 KFD2-UT2-Ex2 KFD2-VR4-EX1.26 KFU8-FSSP-1.D
Pepperl+Fuchs KFD2-UFC-EX1.D Safety Barriers KFD2-UFC-EX1.D Frequency Converters
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