Switch Amplifier KFD2-DU-EX1.D Pepperl+Fuchs 231212
Switch Amplifier KFD2-DU-EX1.D Pepperl+Fuchs 231212

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Pepperl+Fuchs KFD2-DU-EX1.D 231212

Manufacturer

Pepperl+Fuchs

Country

Germany

Name

KFD2-DU-EX1.D

Part number

231212

Type

Switch Amplifier

Description

Switch Amplifier, Timer Relay KFD2-DU-Ex1.D

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417.9 €

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Specifications KFD2-DU-EX1.D 231212

This isolated barrier is used for intrinsic safety applications. It is a highly configurable timer that accepts a digital signal (NAMUR sensor/mechanical contact) from a hazardous area and is commonly used in applications requiring on-delay, off-delay, one-shot, or pulse lengthening. The output relay switch duration is easily adjusted, and a pulse divider function allows step-down ratios from 1:1 to 9999:1. The unit is easily programmed by the use of a keypad located on the front of the unit. Line fault detection of the field circuit is indicated by a red LED and through the collective error output via Power Rail. For additional information, refer to the manual and www.pepperl-fuchs.com.

Features KFD2-DU-EX1.D 231212

General specifications
Signal typeDigital Input
Supply
ConnectionPower Rail or terminals 23+, 24-
Rated voltage20 ... 30 V DC
Rated currentapprox. 100 mA
Power consumption1.8 W
Input
Connection sidefield side
ConnectionInput I: terminals 1+, 3- , input II: terminals 13+, 14-
Input Iacc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit current8.2 V / 10 mA
Switching point/switching hysteresis1.2 ... 2.1 mA / approx. 0.2 mA
Pulse durationmin. 75 µ,s / 1 ms see instruction manuals, the maximum input frequency has to be observed.
Input frequency0 ... 80 Hz , pulse divider 0 ... 1 kHz
Line fault detectionbreakage I &le, 0.15 mA, short-circuit I > 6.5 mA
Input IIreset
Active/PassiveI > 4 mA/I < 1.5 mA
Open circuit voltage/short-circuit current18 V / 5 mA
Pulse durationmin. 10 ms
Output
Connection sidecontrol side
Connectionoutput I: terminals 10, 11, 12 , output II: terminals 19+, 20-
Output Isignal , Relay output
Contact loading253 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
Output IIsignal , electronic unit, isolated
Contact loading40 V / 50 mA
Energized/De-energized delayafter rising input flank 3 ms , after falling input flank 2 ms
Signal level1-signal: (L+) -2.5 V (50 mA, short-circuit/overload proof) 0-signal: blocked output (off-state current &le, 10 µ,A)
Transfer characteristics
Input I
Resolution< 0.1 % of the set value, min. 10 ms
Accuracy2 ms
Influence of ambient temperature0.003 %/K (50 ppm)
Galvanic isolation
Input I/other circuitsreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I/power supply and resetreinforced 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 II/power supply and collective error basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Output II/resetbasic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Reset/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
Massapprox. 300 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
EU-type examination certificateTÜV 99 ATEX 1408
Marking II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
Supply
Maximum safe voltage40 V DC (Attention! The rated voltage can be lower.)
Input Iterminals 1+, 3-: Ex ia
Voltage Uo10.1 V
Current Io13.5 mA
Power Po34 mW (linear characteristic)
Input IIterminals 13+, 14- non-intrinsically safe
Maximum safe voltage Um40 V (Attention! The rated voltage can be lower.)
Output Iterminals 10, 11, 12 non-intrinsically safe
Contact loading253 V AC/2 A/cos &phi, > 0.7, 40 V DC/2 A resistive load (TÜV 99 ATEX 1408) 50 V AC/2 A/cos &phi, > 0.7, 40 V DC/2 A resistive load (TÜV 02 ATEX 1885 X)
Maximum safe voltage253 V (Attention! The rated voltage can be lower.)
Output IIterminals 19+, 20- non-intrinsically safe
Maximum safe voltage40 V (Attention! The rated voltage can be lower.)
CertificateTÜV 02 ATEX 1885 X
Marking II 3G Ex nA nC IIC T4 Gc
Output I
Contact loading50 V AC/2 A/cos &phi, > 0.7, 40 V DC/1 A resistive load
Galvanic isolation
Input I/other circuitssafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
FM approval
Control drawing116-0305
UL approvalE223772
IECEx approvalIECEx TUN 03.0000
Approved for[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.