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Pepperl+Fuchs KFD2-WAC2-EX1.D 231221

Signal Converter KFD2-WAC2-EX1.D Pepperl+Fuchs 231221
Manufacturer
Pepperl+Fuchs
Name
KFD2-WAC2-EX1.D
Part number
231221
Country
Germany
Type
Signal Converter
Weight (g)
343
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This isolated barrier is used for intrinsic safety applications. The device is used with strain gauges, load cells and resistance measuring bridges. Designed to provide 5 V excitation voltage, this barrier&rsquo,s high quality A/D converter allows it to be used with those devices requiring 10 V. Up to four 350 Ω strain gauges connected in parallel may be powered and evaluated. The device is easily configured by the use of keypad or with the PACTware configuration software. The current measurement for tare, zero point, and final value can be entered in this manner. A fault is signalized by LEDs and a separate collective error message output. For additional information, refer to the manual and www.pepperl-fuchs.com.
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Specifications KFD2-WAC2-EX1.D 231221

Product Description
24 V DC
General specifications
Signal typeAnalog input
Supply
ConnectionPower Rail or terminals 23+, 24-
Rated voltage20 ... 35 V DC
Ripplewithin the supply tolerance
Power consumptionmax. 3 W
Interface
ConnectionPower Rail or terminals 19+, 20 GND, 21-
TypeRS-485
Programming interfaceprogramming socket
Field circuit
Connectionterminals 1+, 2-, 3+, 4-, 5+, 6-
Lead resistancemax. 25 &Omega, per line
Input I
Connectionterminals 1+, 2-
Sensor supply1 ... 5 V
Connectionterminals 3+, 4- (supply), 5+, 6- (signal)
Short-circuit current50 mA
Load&ge, 116 &Omega, up to 5V, &ge, 85 &Omega, up to 4V
Input
Connection sidefield side
ConnectionInput I: terminals 1+, 2-, Input II: terminals 13+, 14-, Input III: terminals 15+, 14-
Programmable Tare0 ... 500 % of span
Input ISignal, analog
Input signal-100 ... 100 mV
Input resistance> 1 M&Omega, for voltage measurement
Input II, IIItare adjustment, calibration and zero
Open circuit voltage/short-circuit current18 V / 5 mA
Active/PassiveI > 4 mA/I < 1.5 mA
Output
Connection sidecontrol side
ConnectionOutput I: terminals 10, 11, 12, Output II: terminals 16, 17, 18, Output III: terminals 7-, 8+, 9-
Output I, IIRelay output
Contact loading253 V AC/2 A/500 VA/cos &phi, min. 0.7, 40 V DC/2 A resistive load
Mechanical life2 x 107 switching cycles
Output IIIAnalog output
Current range-20 ... 20 mA
Loadmax. 550 &Omega,
Analog voltage output0 ... ± 10 V, output resistance 500 &Omega, (bridge between terminal 7 and 9)
Analog current output0 ... ± 20 mA or 4 ... 20 mA, load 0 ... 550 &Omega, (terminals 7 and 8)
Line fault detectiondownscale -21.5 mA (-10.75 V) or 2 mA (1 V), upscale 21.5 mA (10.75 V)
Collective error messagePower Rail
Transfer characteristics
Deviation
Resolution/accuracy&le, ± 0.05 % incl. non-linearity and hysteresis
Temperature effect &le, ± 0.01 %/K
Reaction time300 ... 850 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
Output III/Input II, IIInot available
Output III/Programming socketnot available
Other circuits from each otherfunctional insulation, rated insulation voltage 50 Veff
Indicators/settings
Display elementsLEDs , display
Control elementsControl panel
Configurationvia operating buttons via PACTware
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. 250 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 04 ATEX 2531
Marking II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
SupplyPower Rail or terminals 23+, 24- non-intrinsically safe
Maximum safe voltage40 V DC (Attention! Um is no rated voltage.)
Input Iterminals 1+, 2- Ex ia IIC, Ex iaD
Voltage Uo14 V
Current Io238 mA
Power Po833 mW (linear characteristic)
Input II and IIIterminals 13+, 14-, 15+, 14- non-intrinsically safe
Maximum safe voltage Um40 V DC (Attention! Um is no rated voltage.)
Output I, IIterminals 10, 11, 12, 16, 17, 18 non-intrinsically safe
Maximum safe voltage253 V AC / 40 V DC (Attention! Um is no rated voltage.)
Contact loading253 V AC/2 A/500 VA/cos &phi, min. 0.7, 40 V DC/2 A resistive load
Output IIIterminals 7-, 8+, 9- non-intrinsically safe
Maximum safe voltage Um40 V DC (Attention! Um is no rated voltage.)
InterfaceRS 485 programming jack
Maximum safe voltage40 V DC (Attention! Um is no rated voltage.)
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
International approvals
FM approval
Control drawing116-0302 (cFMus)
UL approvalE223772
IECEx approval
IECEx certificateIECEx TUN 06.0005
IECEx marking[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.
Accessories
Optional accessories- power feed module KFD2-EB2(.R4A.B)(.SP) - universal power rail UPR-05(-S) - profile rail K-DUCT-BU(-UPR-05) - FDT framework PACTware 5.X - device type manager DTM Interface Technology - adapter K-ADP-USB