Serviceline Information

  • 2-channel isolated barrier
  • Universal usage at different power supplies
  • Dry contact or NAMUR inputs
  • Input frequency 1 mHz ... 1 kHz
  • Current output 0/4 mA ... 20 mA
  • Relay and transistor output
  • Start-up override
  • Configurable by PACTware or keypad
  • Line fault detection (LFD)

Download the complete datasheet as a PDF

Datasheet excerpt: Technical data of KFU8-UFT-Ex2.D

Product Description
48 V AC ... 253 V AC/20 V DC ... 90 V DC
General specifications
Signal typeDigital Input
Connectionterminals 23, 24
Rated voltage20 ... 90 V DC / 48 ... 253 V AC 50 ... 60 Hz
Rated currentapprox. 130 mA
Power loss2.2 W / 3.5 VA
Power consumption2.5 W / 5 VA
Connectioninput I: terminals 1+, 3-
input II: terminals 4+, 6-
input III: terminals 13+, 14- (control input 1)
input IV: terminals 15+, 14- (control input 2)
Input I, II2-wire sensor, sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact
Open circuit voltage/short-circuit current8.2 V / 10 mA
Pulse durationmin. 250 µs , overlap on direction of rotation signal: ≥ 125 µs
Input frequencyrotation direction monitoring 0.001 ... 1000 Hz slip monitoring 10 ... 1000 Hz
Lead monitoringbreakage I ≤ 0.15 mA; short-circuit I > 6.5 mA
Input III, IV
Active/PassiveI > 4 mA (for min. 100 ms) / I < 1.5 mA
Open circuit voltage/short-circuit current18 V / 5 mA
Connectionoutput I: terminals 10, 11, 12
output II: terminals 16, 17, 18
output III: terminals 19+, 20-
output IV: terminals 21+, 20-
output V: terminals 7-, 8+
Output I, IIsignal , relay
Contact loading250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A
Mechanical life5 x 107 switching cycles
Energized/De-energized delayapprox. 20 ms / approx. 20 ms
Output III and IVsignal , electronic output, passive
Contact loading40 V DC
Signal level1-signal: (L+) -2.5 V (50 mA, short-circuit/overload proof)
0-signal: switched off (off-state current ≤ 10 µA)
Output Vanalog
Current range0 ... 20 mA or 4 ... 20 mA
Open loop voltagemax. 24 V DC
Loadmax. 650 Ω
Fault signaldownscale I ≤ 3.6 mA, upscale I ≥ 21.5 mA (acc. NAMUR NE43)
Programming interface
Connectionprogramming socket
InterfaceRS 232
Transfer characteristics
Input I and II
Measurement range0.001 ... 1000 Hz
Resolutionslip monitoring: 1% frequency measurement: 0,1% of measured value; but >0.001Hz
Accuracyslip monitoring: 1% frequency measurement: 0.5% of measured value; but >0.001Hz
Measuring timefrequency measurement: < 100 ms
Influence of ambient temperature0.003 %/K (30 ppm)
Directive conformity
Electromagnetic compatibility
Directive 2004/108/ECEN 61326-1:2006
Low voltage
Directive 2006/95/ECEN 61010-1:2010
Electromagnetic compatibilityNE 21:2006
Degree of protectionIEC 60529:2001
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Mass300 g
Dimensions40 x 119 x 115 mm (1.6 x 4.7 x 4.5 in) , housing type C3
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with Ex-areas
EC-Type Examination CertificateTÜV 99 ATEX 1471 , for additional certificates see
Group, category, type of protectionEx-Hexagon II (1)GD, I (M1) [Ex ia] IIC, [Ex iaD], [Ex ia] I (-20 °C ≤ Tamb ≤ 60 °C)
Directive conformity
Directive 94/9/ECEN 60079-0:2012 , EN 60079-11:2012 , EN 60079-15:2010 , EN 60079-26:2007
International approvals
FM approval
Control drawing16-538FM-12

Documents: KFU8-UFT-Ex2.D

ManualsLanguageFile TypeFile Size
Manual KF**-UFT-(Ex)2.DENGPDF1254 KB
Handbuch KF**-UFT-(Ex)2.DGERPDF1269 KB
Handbuch KF**-UFT-(Ex)2.D/Manual KF**-UFT-(Ex)2.DPOLPDF1378 KB
Installation guide DTM Collection Interface TechnologyENGPDF7359 KB
Installation et configuration de l'interface conventionnelle de collection de DTMFRAPDF6173 KB
Installationsanleitung DTM Collection Interface TechnologyGERPDF7023 KB
Instruction leaflets
Bedienkarte KF**-UFT-**2.D/Operator card KF**-UFT-**2.DALLPDF831 KB
Instructions, short instructions, safety information
System Description Isolated Barriers K-systemENGPDF760 KB
Description du Système pour Barrières Isolées de Système KFRAPDF759 KB
Systembeschreibung Trennbarrieren K-SystemGERPDF745 KB
Systembeschreibung Trennbarrieren K-System/System Description Isolated Barriers K-systemRUSPDF4107 KB
Qick Installation Guide PACTware and DTM Collection Interface TechnologyENGPDF4413 KB
Configuration de l'interface conventionnelle de collection de DTMFRAPDF757 KB
Kurzanleitung PACTware und DTM Collection Interface TechnologyGERPDF4369 KB


CADFile TypeFile Size
Abmessungszeichnung 2D (DXF)/Dimension drawing 2D (DXF)ZIP657 KB
Abmessungszeichnung 3D/Dimension drawing 3DIGS1025 KB
Abmessungszeichnung 3D/Dimension drawing 3DSTP870 KB
ePLAN-Makros K-System-Geräte (EMA)/ePLAN macros K-System devices (EMA)ZIP17983 KB

Approvals+Certificates: KFU8-UFT-Ex2.D

Statements of complianceCertificate No.File TypeFile Size
EU-Konformitätserklärung/EU-Declaration of conformityDOC-0169PDF108 KB
Brasil CERTUSPIEE 12.0084PDF869 KB
Europe TUV Nord ATEX Category (1)TÜV 99 ATEX 1471PDF2421 KB
TUV Nord IECEx Certificate of ConformityIECEx TUN 04.0007LINK---
USA FMCoC 3009603PDF114 KB
Canada FMCoC 3009603CPDF111 KB
Det Norske Veritas MarineA-13714PDF41 KB
China NEPSIGYJ 111221PDF1029 KB
Belarus11-1-019-2013PDF1639 KB
Bureau Veritas MarineBV 22614PDF91 KB
Russia Belarus EAC Kazakhstan NANIO "CCVE"TC RU C-IT.GB05.B.00718PDF2731 KB
Control drawings
Control Drawing FM/Control Drawing FM   PDF64 KB

Software: KFU8-UFT-Ex2.D

Device type managersRelease InfoFile TypeFile Size
PACTware 4.1 SP3/PACTware 4.1 SP34.1.0.42ZIP36000 KB
Microsoft(R) .NET connection software 2.0 /Microsoft(R) .NET connection software 2.02.0ZIP23847 KB
DTM Collection Interface Technology 2/DTM Collection Interface Technology KB