Rotation Speed Monitor KFU8-DWB-1.D

SKU: P+F KFU8-DWB-1D

Specifications

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PRODUCT NAME: ​
Rotation Speed Monitor KFU8-DWB-1.D
PRODUCT NUMBER:
P+F KFU8-DWB-1D
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DESCRIPTION

Rotation Speed Monitor KFU8-DWB-1.D

  • 1-channel signal conditioner
  • Universal usage at different power supplies
  • Dry contact or NAMUR inputs
  • Input frequency 1 mHz … 12 kHz
  • 2 relay contact outputs
  • Start-up override
  • Configurable by keypad
  • Line fault detection (LFD)
  • Up to SIL 2 acc. to IEC/EN 61508 / IEC/EN 61511
General specifications
Signal typeDigital Input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
Connectionterminals 23, 24
Rated voltage20 … 90 V DC / 48 … 253 V AC 50 … 60 Hz
Rated currentapprox. 100 mA
Power dissipation/power consumption≤ 1.8 W ; 2 VA / 1.8 W ; 2 VA
Input
Connection sidefield side
ConnectionInput I: 2-wire sensor: terminals 1+, 3- three wire sensor: terminals 1+, 2- and 3
input II: terminals 13+, 14- start-up override;
Input I2- or 3-wire sensor, sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact
Open circuit voltage/short-circuit current22 V / 40 mA
Input resistance4.7 kΩ
Switching point/switching hysteresislogic 1: > 2.5 mA ; logic 0: < 1.9 mA
Pulse duration> 50 µs
Input frequency0.001 … 12000 Hz
Line fault detectionbreakage I ≤ 0.15 mA; short-circuit I > 4 mA
Input IIstartup override: 1 … 1000 s, adjustable in steps of 1 s
Active/PassiveI > 4 mA (for min. 100 ms) / I < 1.5 mA
Open circuit voltage/short-circuit current18 V / 5 mA
Output
Connection sidecontrol side
Connectionoutput I: terminals 10, 11, 12
output II: terminals 16, 17, 18
Output I, IIsignal, relay
Contact loading250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A
Mechanical life5 x 107 switching cycles
Energized/De-energized delayapprox. 20 ms / approx. 20 ms
Transfer characteristics
Input I
Measurement range0.001 … 12000 Hz
Resolution0.1 % of measured value , ≥ 0.001 Hz
Accuracy0.1 % of measured value , > 0.001 Hz
Measuring time< 100 ms
Influence of ambient temperature0.003 %/K (30 ppm)
Output I, II
Response delay≤ 200 ms
Galvanic isolation
Input I/other circuitsreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II against eachotherreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II/other circuitsreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Start-up override/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elementsLEDs , display
Control elementsControl panel
Configurationvia operating buttons
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EUEN 61010-1:2010
Conformity
Electromagnetic compatibilityNE 21:2006
Degree of protectionIEC 60529:2001
Ambient conditions
Ambient temperature-20 … 60 °C (-4 … 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Mass300 g
Dimensions40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

 

Classifications

SystemClasscode
ECLASS 11.027210128
ECLASS 10.0.127210128
ECLASS 9.027210128
ECLASS 8.027210190
ECLASS 5.127210121
ETIM 8.0EC002918
ETIM 7.0EC002918
ETIM 6.0EC002918
ETIM 5.0EC002475
UNSPSC 12.139121007
PRODUCT CATALOG: ​

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