KFU8-DW-1.D Rotation Speed Monitor

Key Benefits at a Glance

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.

Please contact us for exact delivery estimation.4 519,00 SEK

Product photo: Rotation Speed Monitor KFU8-DW-1.D

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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Datasheet Classification Product Documentation Design / Simulation Approvals

Technical data of KFU8-DW-1.D

Rotation Speed Monitor

MTTF_d

100 a

Rated voltage	U_r	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

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

Switching point		high: 16 ... 30 V DC; max.10 mA due to integrated constant current sink; R_i≅ 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		2-, 3-, or 4-wire proximity sensor, incremental rotary encoder, or externally generated pulses 16 ... 30 V
Sensor supply		19 ... 28 V DC non-stabilised; ≤ 30 mA short-circuit protected

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)

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

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

Electromagnetic compatibility

acc. to EN 50081-2 / EN 50082-2

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.

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

General Notes