Serviceline Industrial Sensors
Serviceline Explosion Protection

Frequency Converter with Direction and Synchronization Monitor KFU8-UFT-Ex2.D

  • 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 dissipation2.2 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)G [Ex ia Ga] IIC
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon I (M1) [Ex ia Ma] I
Directive conformity
Directive 94/9/ECEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010 , EN 60079-26:2007
International approvals
FM approval
Control drawing16-538FM-12
IECEx approvalIECEx TUN 04.0007
Approved for[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I

Documents: KFU8-UFT-Ex2.D

ManualsLanguageFile TypeFile Size
Manual Isolated Barriers K-systemENGPDF760 KB
Manuel pour Barrières Isolées de Système KFRAPDF759 KB
Handbuch Trennbarrieren K-SystemGERPDF745 KB
Handbuch Trennbarrieren K-System/Manual Isolated Barriers K-systemRUSPDF4107 KB
Manual KF**-UFT-(Ex)2.DENGPDF1611 KB
Handbuch KF**-UFT-(Ex)2.DGERPDF1422 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
Quick Start 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
Instruction manualENGPDF49 KB
Notice d'instructionsFRAPDF91 KB
BetriebsanleitungGERPDF51 KB
HandleidingHOLPDF67 KB
Manuale di istruzioniITAPDF89 KB
Manual de instruccionesSPAPDF91 KB
Betriebsanleitung/Instruction manualBULPDF---
Betriebsanleitung/Instruction manualCZEPDF---
Betriebsanleitung/Instruction manualDANPDF---
Betriebsanleitung/Instruction manualESTPDF---
Instruction manualFINPDF---
Betriebsanleitung/Instruction manualGREPDF---
Betriebsanleitung/Instruction manualHRVPDF---
Betriebsanleitung/Instruction manualHUNPDF---
Betriebsanleitung/Instruction manualLAVPDF---
Betriebsanleitung/Instruction manualLITPDF---
Betriebsanleitung/Instruction manualPOLPDF---
Instruction manualPORPDF---
Betriebsanleitung/Instruction manualRONPDF---
Betriebsanleitung/Instruction manualSLKPDF---
Betriebsanleitung/Instruction manualSWEPDF---

Approvals+Certificates: KFU8-UFT-Ex2.D

Statements of complianceCertificate No.File TypeFile Size
EU-Konformitätserklärung/EU-Declaration of conformityDOC-0169APDF105 KB
Europe TUV Nord ATEX Category (1)TÜV 99 ATEX 1471PDF2701 KB
TUV Nord IECEx Certificate of ConformityIECEx TUN 04.0007LINK---
USA FMCoC 3009603PDF40 KB
Canada FMCoC 3009603CPDF39 KB
DNV GL MarineA-13714PDF41 KB
China NEPSIGYJ 111221PDF1029 KB
Belarus11-1-019-2013PDF1639 KB
India CCOEA/P/HQ/MH/104/3928(P354023)PDF598 KB
Russia Belarus EAC Kazakhstan NANIO "CCVE"TC RU C-IT.GB05.B.00718PDF2731 KB
Russia VNIIMS Pattern ApprovalDE.C.33.004.A No.34620PDF4530 KB
Brasil TUV Rheinland BrazilTÜV 14.0357PDF856 KB
Control drawings
Control Drawing FM/Control Drawing FM   PDF156 KB

Software: KFU8-UFT-Ex2.D

Device type managersRelease InfoFile TypeFile Size
DTM Collection Interface Technology 2/DTM Collection Interface Technology KB
Software Tools
PACTware 4.1 SP4/PACTware 4.1 SP44.1.0.50ZIP36031 KB