توضیحات محصول

PEPPERL FUCHS OVERSPEED/UNDERSPEED MONITOR KFU8-DW-1.D

Rotation Speed Monitor 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.

• roduct 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
  Indicators/operating means
  Type	4-digit, 7-segment red display, 7 mm digit height
  Display interval	0.002 ... 9999 Hz or 0.01 ... 9999 min-1
  Parameter assignment	keypad-driven menu
  Switching state	LED yellow, 3 mm
  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)
  Jumpering 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