Serviceline Industrial Sensors
Serviceline Explosion Protection

Signal Converter with Trip Value KFD2-USC-1.D

  • 1-channel signal conditioner
  • 24 V DC supply (Power Rail)
  • Scaleable current or voltage input
  • Current or voltage output
  • Relay contact output
  • Configurable by keypad
  • 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-USC-1.D

General specifications
Signal typeAnalog input
Connectionterminals 14+, 15- or Power Rail
Rated voltage20 ... 30 V DC
Rated current≤ 80 mA DC
Power consumption≤ 1.6 W
Connection sidefield side
Connectionterminals 1+, 3- : mV, V ; terminals 2+, 3- : mA
Input resistancevoltage: 1 MΩ , current: max. 100 Ω
Limit30 V
Current0 ... 20 mA
Voltage0 ... 10 V / 0 ... 60 mV
Resolution15 Bit
Connection sidecontrol side
Connectionoutput I: terminals 10, 11, 12
output II: terminals 7-, 8+, 9-
Output Isignal, relay
Contact loading250 V AC/2 A/cos φ 0.7; 40 V DC/2 A
Mechanical life2 x 107 switching cycles
Energized/De-energized delayapprox. 10 ms / approx. 10 ms
Output IIanalog
Loadcurrent: max. 550 Ω , voltage: min. 1 kΩ
Analog voltage output0/1 ... 5 V , 0/2 ... 10 V
Analog current output0/4 ... 20 mA
Transfer characteristics
Deviation0.1 % of full-scale value
Resolution/accuracycurrent: 1 µA/20 µA
voltage: 0.5 mV/10 mV
mV: 3 µV/60 µV
Influence of ambient temperature0.003 %/K (30 ppm)
Reaction time≥ 150 ms/≤ 300 ms
Galvanic isolation
Input/Outputreinforced insulation according to IEC 61140, rated insulation voltage 300 Veff
Input/power supplyreinforced insulation according to IEC 61140, rated insulation voltage 300 Veff
Output/power supplyreinforced insulation according to IEC 61140, rated insulation voltage 300 Veff
Display elementsdisplay
Control elementsControl panel
Configurationvia operating buttons
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2004/108/ECEN 61326-1:2006
Low voltage
Directive 2006/95/ECEN 50178:1997
Electromagnetic compatibilityNE 21
Degree of protectionIEC 60529
Protection against electrical shockIEC 61140
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Mass150 g
Dimensions20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B3
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see

Documents: KFD2-USC-1.D

ManualsLanguageFile TypeFile Size
Manual KF**-USC-1.DENGPDF395 KB
Manual Signal Conditioners K-SystemENGPDF694 KB
Manuel KF**-USC-1.DFRAPDF986 KB
Handbuch KF**-USC-1.DGERPDF408 KB
Handbuch Signaltrenner K-SystemGERPDF698 KB
Manual Signal Conditioners K-SystemRUSPDF3736 KB
Instruction leaflets
Operator card KF**-USC-1.D / Bedienkarte KF**-USC-1.DALLPDF331 KB
Instruction manuals
ИнструкцииBULPDF53 KB
Návod k poużitíCZEPDF47 KB
Instruktions manualDANPDF47 KB
Instruction manualENGPDF41 KB
KasutusjuhendESTPDF44 KB
KäyttöohjeFINPDF44 KB
Manuel d'instructionsFRAPDF79 KB
BetriebsanleitungGERPDF43 KB
Οδηγίες χρήσηςGREPDF55 KB
HandleidingHOLPDF56 KB
Instruction manual / BetriebsanleitungHRVPDF55 KB
Használati útmutatóHUNPDF55 KB
Manuale di istruzioniITAPDF77 KB
Lietošanas pamācībaLAVPDF54 KB
Instrukciju vadovasLITPDF55 KB
Instrukcja obsługiPOLPDF57 KB
Manual de instruçõesPORPDF56 KB
Manual de utilizareRONPDF56 KB
Návod na poużitieSLKPDF115 KB
Manual de instruccionesSPAPDF79 KB

Approvals+Certificates: KFD2-USC-1.D

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2364PDF358 KB
Belarus Pattern ApprovalNr. 11709PDF15640 KB
EAC EAC TP TC 020/2011TC RU C-DE.MH04.B.00397PDF680 KB