Pepperl+Fuchs KFU8-DW-1.D Rotation Speed Monitor
Product Description
Rotation Speed Monitor
Functional safety related parameters
MTTFd 100 a
Supply
Rated voltage 200 ... 230 V AC ; 100 … 130 V AC; 50/60 Hz
20 VDC ... 30 VDC
Fusing external fusing 4 A
Power consumption AC: < 5 VA
DC: < 5 W
Input 1
Connection terminals 8-, 9+
Connectable sensor types NAMUR sensors according to DIN EN 60947-5-6
Open loop voltage 8.2 V DC
Short-circuit current 6.5 mA
Switching point 1.2 ... 2.1 mA Switching hysteresis approx. 0.2 mA
Input frequency 0.002 ... 10000 Hz, pulse length/duration: ≥ 20µs
Impedance 1.2 kΩ
Input 2
Switching point high: 16 ... 30 V DC; max.10 mA due to integrated constant current sink; Ri ≅ 3 kΩ
low: 0 ... 6 V DC
Input frequency 0.002 ... 40000 Hz, pulse length/duration: ≥ 12µs
Connection terminals 7+, 13- sensor supply
terminals 14, 15 NPN/PNP input (galvanically isolated)
Connectable sensor types Two, three, or four-wire proximity switch, incremental rotary encoder, or externally generated pulses 16 ... 30 V
Sensor supply 19 ... 28 V DC non-stabilised; ≤ 30 mA short-circuit protected
Input 3
Start-up override Triggering by external signal 16 ... 30 V or Place jumper between terminals 2/3 or by switching on supply voltage (terminal 2 and terminal 3 permanently bridged)
Hold-up time 0.1 ... 999.9 s (External trigger signal)
Output
Relay 1 changeover contact
NO, NC, COM
Sensor supply 24 V DC ± 10 %, 30 mA , short-circuit protected
Contact loading 250 V AC/2 A/ cos φ ≥ 0.7
40 V DC/2 A
Delay ≤ 20 ms (incl. calculation time)
Mechanical life ≥ 30.000.000 switching cycles
Transfer characteristics
Changing interval 5 ms (Internal processing time)
Time delay before availability ≤ 400 ms
Measuring error 0 ... 40000 Hz: ≤ ±0,10%
Display: ±1 digit
Timer function ON-delay, OFF-delay, one shot, pulse extension
Time 0 ... 999.9 s ; mode of operation reversible
Standard conformity
Electromagnetic compatibility acc. to EN 50081-2 / EN 50082-2
Ambient conditions
Ambient temperature -25 ... 40 °C (-13 ... 104 °F)
Storage temperature -40 ... 85 °C (-40 ... 185 °F)
Relative humidity max. 80 %, not condensing
Altitude 0 ... 2000 m
Operating conditions The device has only to be used in an indoor area.
Mechanical specifications
Connection assembly Caution: Please be aware that the device may only be connected to a switchable power supply. The switch or circuit breaker must be easy to reach and identified as the separator for the device.
Degree of protection IP20
Connection coded, removable terminals , max. core cross section 0.34 ... 2.5 mm2
Construction type modular terminal housing in Makrolon, System KF
For use in the switch cabinet/switch cabinet module
Mounting snap-on to 35 mm standard rail or screw fixing
Similar model numbers:
KFD2-DWB-1.D
KFD2-SR2-2.W.SM
KFD2-UFC-1.D
KFD2-UFT-2.D
KFU8-DW-1.D
KFU8-DWB-1.D
KFU8-UFC-1.D
KFU8-UFT-2.D
KFU8-UFC-1.D.FA
Any questions, feel free to contact us
jeff@hkxytech.com jeff@whxyauto.com +86-15072331761
