Serviceline Industrial Sensors
Serviceline Explosion Protection

Strain Gauge Converter KFD2-WAC2-1.D

KFD2-WAC2-1.D
  • 1-channel signal conditioner
  • 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)

Please 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, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  KFD2-WAC2-1.D

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 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
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 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
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 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
Transfer characteristics
Deviation
Resolution/accuracy≤ ± 0.05 % incl. non-linearity and hysteresis
Temperature effect ≤ ± 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 2004/108/ECEN 61326-1:2006
Low voltage
Directive 2006/95/ECEN 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
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.

Approvals+Certificates: KFD2-WAC2-1.D

CertificatesCertificate No.File TypeFile Size
Belarus Pattern ApprovalNr. 11709PDF15640 KB
CA ULE223772 cUL (NRAQ7)LINK---
Russia VNIIMS Pattern ApprovalDE.C.34.004.A No.56757PDF6680 KB
USA ULE223772 UL (NRAQ)LINK---

Software: KFD2-WAC2-1.D

Device type managersRelease InfoFile TypeFile Size
DTM Collection Interface Technology 2 / DTM Collection Interface Technology 21.4.110.71ZIP33316 KB
Software Tools
PACTware 4.1 SP5 / PACTware 4.1 SP54.1.0.52ZIP50675 KB
PACTware 5.0 / PACTware 5.05.0.4.20ZIP50037 KB

Associated Products: KFD2-WAC2-1.D

Accessories
For K-, E- and H-System, Frame application, like e. g. PACTware, must be installed separatelypa
Universal DTM host platform, For all DTMs of Pepperl+Fuchs, Approved FDT/DTM technology, Free of charge, Download from Pepperl+Fuchs websitepa