Pepperl+Fuchs KFU8-DW-1.D
Rotation Speed Monitor

Pepperl+Fuchs KFU8-DW-1.D
  • Speed monitoring up to 40 kHz
  • 1 pre-select value with relay output and LED indicator
  • 2-, 3-, 4-wire and NAMUR sensors as well as rotary encoder connectable
  • Start-up delay
  • Menu driven operation via 4 front keys
  • Period measurement
  • Output signal can be inverted
  • Display devices can be set between 0.1 ... 2.5 sec.
Item Number: KFU8-DW-1.D
355.54
-
+
Total price: 355.54
The price is not final. Please check with the manager!
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  • Overview
  • Comments

Input frequency0.002 ... 40000 Hz, pulse length/duration: 12andmicro;s

Operating conditionsThe device has only to be used in an indoor area.
MTTFd100 a
Degree of protectionIP20
Fusingexternal fusing 4 A
Electromagnetic compatibilityacc. to EN 50081-2 / EN 50082-2
Switching pointhigh: 16 ... 30 V DC; max.10 mA due to integrated constant current sink; Ri andcong; 3 kandOmega;
low: 0 ... 6 V DC
Configurationvia operating buttons
Relay1 changeover contact
NO, NC, COM
Connectioncoded, removable terminals , max. core cross section 0.34 ... 2.5 mm2
Relative humiditymax. 80 %, not condensing
Measuring error0 ... 40000 Hz: В±0,10%
Display: В±1 digit
Rated voltage200 ... 230 V AC ; 100 andhellip; 130 V AC; 50/60 Hz
20 VDC ... 30 VDC
Connectionterminals 7+, 13- sensor supply
terminals 14, 15 NPN/PNP input (galvanically isolated)
Timer functionON-delay, OFF-delay, one shot, pulse extension
Start-up overrideTriggering 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)
Display indication0.002 ... 9999 Hz or
0,01 ... 9999 min-1
Power consumptionAC: < 5 VA
DC: < 5 W
Delay20 ms (incl. calculation time)
Time0 ... 999.9 s ; mode of operation reversible
Construction typemodular terminal housing in Makrolon, System KF
For use in the switch cabinet/switch cabinet module
Display elementsdisplay , 4-digit, 7-segment red display, 7 mm digit height and LED
Connectionterminals 8-, 9+
Mechanical life30.000.000 switching cycles
Impedance1.2 kandOmega;
Sensor supply24 V DC В± 10 %, 30 mA , short-circuit protected
Input frequency0.002 ... 10000 Hz, pulse length/duration: 20andmicro;s
Changing interval5 ms (Internal processing time)
Sensor supply19 ... 28 V DC non-stabilised; 30 mA short-circuit protected
Storage temperature-40 ... 85 В°C (-40 ... 185 В°F)
Jumpering time0.1 ... 999.9 s (External trigger signal)
Ambient temperature-25 ... 40 В°C (-13 ... 104 В°F)
Short-circuit current6.5 mA
Time delay before availability400 ms
Switching point1.2 ... 2.1 mA Switching hysteresis approx. 0.2 mA
Mountingsnap-on to 35 mm standard rail or screw fixing
Labelingspace for labeling at the front
Connection sidefield side
Contact loading250 V AC/2 A/ cos andphi; 0.7
40 V DC/2 A
Altitude0 ... 2000 m
Connectable sensor typesTwo, three, or four-wire proximity switch, incremental rotary encoder, or externally generated pulses 16 ... 30 V
LED indicationyellow LED : switching state
Control elementsControl panel
Connection sidecontrol side
Connectable sensor typesNAMUR sensors according to DIN EN 60947-5-6
Connection assemblyCaution: 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.
Open loop voltage8.2 V DC
Signal typeDigital Input

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