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  6. KFD2-WAC2-Ex1.D

KFD2-WAC2-Ex1.D Strain Gauge Converter

Key Benefits at a Glance

  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Strain gauge input (full or half bridge)
  • Output 0 mA ... ± 20 mA or 0 V ... ± 10 V
  • 2 relay contact outputs
  • Programmable high/low alarm
  • Configurable by PACTware or keypad
  • RS-485 interface
  • Line fault detection (LFD)

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Please contact us for exact delivery estimation.1,391.00 USD Net price—your individual price will be shown during checkout process.
Preferred Type
Product photo: Strain Gauge Converter KFD2-WAC2-Ex1.D
Product photo: Strain Gauge Converter KFD2-WAC2-Ex1.D
Approval
Approval
Product Compliance: USA - cULus
Approval
Product Compliance: Europe – CE
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetFunctionClassificationInformative LiteratureProduct DocumentationDesign / SimulationApprovalsSoftwareRelated Products

Technical data of KFD2-WAC2-Ex1.D

Signal typeAnalog input
ConnectionPower Rail or terminals 23+, 24-
Rated voltageUr20 ... 35 V DC
Ripplewithin the supply tolerance
Power consumptionmax. 3 W
ConnectionPower Rail or terminals 19+, 20 GND, 21-
TypeRS-485
Programming interfaceprogramming socket
Connectionterminals 1+, 2-, 3+, 4-, 5+, 6-
Lead resistancemax. 25 Ω per line
Input I
Connectionterminals 1+, 2-
Sensor supply1 ... 5 V
Connectionterminals 3+, 4- (supply); 5+, 6- (signal)
Short-circuit current50 mA
Load≥ 116 Ω up to 5V, ≥ 85 Ω up to 4V
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 MΩ 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
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 φ 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 Ω
Analog voltage output0 ... ± 10 V; output resistance 500 Ω (bridge between terminal 7 and 9)
Analog current output0 ... ± 20 mA or 4 ... 20 mA; load 0 ... 550 Ω (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
Deviation
Resolution/accuracy≤ ± 0.05 % incl. non-linearity and hysteresis
Temperature effect ≤ ± 0.01 %/K
Reaction time300 ... 850 ms
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
Display elementsLEDs , display
Control elementsControl panel
Configurationvia operating buttons
via PACTware
Labelingspace for labeling at the front
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EUEN 61010-1:2010
Electromagnetic compatibilityNE 21:2006
Degree of protectionIEC 60529:2001
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 250 g
Dimensions40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Height119 mm
Width40 mm
Depth115 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificateTÜV 04 ATEX 2531
MarkingEx-Hexagon II (1)G [Ex ia Ga] IIC
[exsign] II (1)D [Ex ia Da] IIIC
[exsign] I (M1) [Ex ia Ma] I
SupplyPower Rail or terminals 23+, 24- non-intrinsically safe
Maximum safe voltageUm40 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 voltageUm253 V AC / 40 V DC (Attention! Um is no rated voltage.)
Contact loading253 V AC/2 A/500 VA/cos φ min. 0.7; 40 V DC/2 A resistive load
Output IIIterminals 7-, 8+, 9- non-intrinsically safe
Maximum safe voltage UmUm40 V DC (Attention! Um is no rated voltage.)
InterfaceRS 485 programming jack
Maximum safe voltageUm40 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
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
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
General Notes
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