Frequency Converter KFD2-DWB-1.D Pepperl+Fuchs 231206
Frequency Converter KFD2-DWB-1.D Pepperl+Fuchs 231206

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Pepperl+Fuchs KFD2-DWB-1.D 231206

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

KFD2-DWB-1.D

Part number

231206

Type

Frequency Converter

Description

Overspeed/Underspeed Monitor KFD2-DWB-1.D

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242.6 €

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Specifications KFD2-DWB-1.D 231206

This signal conditioner monitors for an overspeed or underspeed condition of a digital signal (NAMUR sensor/ mechanical contact) by comparing the input frequency to the user programmed reference frequency. An overspeed or underspeed condition is signaled via the relay outputs. Line fault detection of the field circuit is indicated by a red LED, Power Rail and relay. The startup override feature sets relay outputs to default conditions programmed by the user for up to 1,000 seconds. The unit is easily programmed by the use of a keypad located on the front of the unit. A unique collective error messaging feature is available when used with the Power Rail system. For additional information, refer to the manual and www.pepperl-fuchs.com.

Features KFD2-DWB-1.D 231206

Product Description
24 V DC
General specifications
Signal typeDigital Input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
Connectionterminals 23+, 24- or power feed module/Power Rail
Rated voltage20 ... 30 V DC
Rated currentapprox. 100 mA
Power dissipation/power consumption&le, 1.8 W / 1.8 W
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 k&Omega,
Switching point/switching hysteresislogic 1: > 2.5 mA , logic 0: < 1.9 mA
Pulse duration> 50 µ,s
Input frequency0.001 ... 12000 Hz
Line fault detectionbreakage I &le, 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 &phi, &ge, 0.7 , 40 V DC / 2 A
Mechanical life5 x 107 switching cycles
Energized/De-energized delayapprox. 20 ms / approx. 20 ms
Collective error messagePower Rail
Transfer characteristics
Input I
Measurement range0.001 ... 12000 Hz
Resolution0.1 % of measured value , &ge, 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&le, 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 supply and collective errorfunctional insulation acc. to IEC 62103, rated insulation voltage 50 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) , housing type C3
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
CertificatePF 08 CERT 1216 X
Marking II 3G Ex nA nC IIC T4 Gc
Output I, II
Contact loading50 V AC/2 A/cos &phi, > 0.7, 40 V DC/1 A resistive load
Ambient conditions
Ambient temperature-20 ... 50 °C (-4 ... 122 °F)
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-15:2010
International approvals
UL approvalE223772
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.