Pepperl+Fuchs KFA5-DWB-Ex1.D Rotation Speed Monitor
General specifications
Signal type Digital Input
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
Supply
Connection terminals 23, 24
Rated voltage 115 V AC +/- 10 %
Rated current 30 mA
Power dissipation/power consumption ≤ 2 VA / 2 VA
Input
Connection side field side
Connection Input I: intrinsically safe: terminals 1+, 3-
Input II: non-intrinsically safe: terminals 13+, 14-
Input I acc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Pulse duration > 50 µs
Input frequency 0.001 ... 5000 Hz
Line fault detection breakage I ≤ 0.15 mA; short-circuit I > 6.5 mA
Input II startup override: 1 ... 1000 s, adjustable in steps of 1 s
Active/Passive I > 4 mA (for min. 100 ms)/ I < 1 mA
Open circuit voltage/short-circuit current 18 V / 5 mA
Output
Connection side control side
Connection output I: terminals 10, 11, 12
output II: terminals 16, 17, 18
Output I, II signal, relay
Contact loading 253 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A
Mechanical life 5 x 107 switching cycles
Energized/De-energized delay approx. 20 ms / approx. 20 ms
Transfer characteristics
Input I
Measurement range 0.001 ... 5000 Hz
Resolution 0.1 % of the measurement value , ≥ 0.001 Hz
Accuracy 0.1 % of the measurement value , > 0.001 Hz
Measuring time < 100 ms
Influence of ambient temperature 0.003 %/K (30 ppm)
Output I, II
Response delay ≤ 200 ms
Galvanic isolation
Input I/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II against eachother reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Start-up override/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elements LEDs , display
Control elements Control panel
Configuration via operating buttons
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
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass 300 g
Dimensions 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Similar model numbers:
KFA5-DWB-Ex1.D
KFA6-DWB-Ex1.D
KFD2-DWB-Ex1.D
KFD2-SR2-Ex2.W.SM
KFD2-UFC-Ex1.D
KFU8-UFC-Ex1.D
KFU8-UFT-Ex2.D
KFD2-UFT-Ex2.D
Any questions, feel free to contact us
jeff@hkxytech.com jeff@whxyauto.com +86-15072331761
