Serviceline Industrial Sensors
Serviceline Explosion Protection

Switch Amplifier KFD2-ST3-Ex2

KFD2-ST3-Ex2
  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Dry contact or NAMUR inputs
  • Active transistor output
  • Line fault detection (LFD)
  • Reversible mode of operation
  • Up to SIL 2 acc. to IEC 61508

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-ST3-Ex2

General specifications
Signal typeDigital Input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
ConnectionPower Rail or terminals 14+, 15-
Rated voltage19 ... 30 V DC
Ripple≤ 10 %
Rated current20 ... 15 mA + Iout
Power dissipation≤ 900 mW including maximum power dissipation in the output
Input
Connection sidefield side
Connectionterminals 1+, 2+, 3-; 4+, 5+, 6-
Rated valuesacc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit currentapprox. 10 V DC / approx. 8 mA
Switching point/switching hysteresis1.2 ... 2.1 mA / approx. 0.2 mA
Line fault detectionbreakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA
Pulse/Pause ratiomin. 100 µs / min. 100 µs
Output
Connection sidecontrol side
Connectionoutput I: terminal 7+ ; output II: terminal 9+
Rated voltage30 V DC
Rated current100 mA
Response time≤ 200 µs
Signal level1-signal: (supply voltage) - 3 V max. for 100 mA
0-signal: blocked output (off-state current ≤ 10 µA)
Output Isignal ; Transistor
Output IIsignal ; Transistor
Collective error messagePower Rail
Transfer characteristics
Switching frequency≤ 5 kHz
Galvanic isolation
Input/Outputreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elementsLEDs
Control elementsDIP-switch
Configurationvia DIP switches
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibilityNE 21:2012 , EN 61326-3-2:2008
Degree of protectionIEC 60529:2001
InputEN 60947-5-6:2000
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 150 g
Dimensions20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificateEXA 16 ATEX 0016 X
MarkingEx-Hexagon II 3(1)G Ex nA [ia Ga] IIC T4 Gc
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon I (M1) [Ex ia Ma] I
InputEx ia
Voltage10.5 V
Current17.1 mA
Power45 mW (linear characteristic)
Supply
Maximum safe voltage253 V AC (Attention! Um is no rated voltage.)
Output
Maximum safe voltage253 V AC (Attention! The rated voltage can be lower.)
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supplysafe 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 , EN 60079-15:2010
International approvals
UL approvalE106378
Control drawing116-0424 (cULus)
IECEx approval
IECEx certificateIECEx EXA 16.0009X
IECEx markingEx nA [ia Ga] IIC T4 Gc , [Ex ia Da] IIIC , [Ex ia Ma] I
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Accessories
Optional accessoriespower feed module KFD2-EB2
Universal Power Rail UPR-03
Universal Power Rail UPR-03-S
profile rail K-DUCT-BU
profile rail K-DUCT-UPR-03

Documents: KFD2-ST3-Ex2

ManualsLanguageFile TypeFile Size
Functional Safety ManualENGPDF621 KB
Manual Isolated Barriers K-systemENGPDF760 KB
Manuel pour Barrières Isolées de Système KFRAPDF759 KB
Handbuch Funktionale SicherheitGERPDF629 KB
Handbuch Trennbarrieren K-SystemGERPDF745 KB
Manual Isolated Barriers K-systemRUSPDF4107 KB
Instruction manuals
ИнструкцииBULPDF112 KB
Návod k poużitíCZEPDF146 KB
Instruktions manualDANPDF144 KB
Instruction manualENGPDF150 KB
KasutusjuhendESTPDF140 KB
KäyttöohjeFINPDF140 KB
Manuel d'instructionsFRAPDF147 KB
BetriebsanleitungGERPDF153 KB
Οδηγίες χρήσηςGREPDF155 KB
HandleidingHOLPDF146 KB
Instruction manual / BetriebsanleitungHRVPDF144 KB
Használati útmutatóHUNPDF147 KB
Manuale di istruzioniITAPDF146 KB
Lietošanas pamācībaLAVPDF144 KB
Instrukciju vadovasLITPDF145 KB
Instrukcja obsługiPOLPDF148 KB
Manual de instruçõesPORPDF147 KB
Manual de utilizareRONPDF145 KB
Návod na poużitieSLKPDF145 KB
Navodila za uporaboSLVPDF143 KB
Manual de instruccionesSPAPDF146 KB
ManualSWEPDF142 KB

Approvals+Certificates: KFD2-ST3-Ex2

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2638PDF73 KB
Certificates
Canada UL cULE106378 cUL (QVAJ7)LINK---
Canada UL cULE106378 cUL (QUZW7)LINK---
EAC EAC TP TC 012/2011TC RU C-DE.AA71.B.00291PDF2516 KB
EAC EAC TP TC 020/2011TC RU C-DE.MH04.B.00397PDF680 KB
Europe EXA ATEXEXA 16 ATEX 0016 XPDF2049 KB
USA Canada cULus Certificate of Compliance ULCoC 20190517 - E106873 RepRef 20190514PDF253 KB
USA ULE106378 UL (QUZW)LINK---
USA ULE106378 UL (QVAJ)LINK---
Worldwide EXAIECEx EXA 16.0009XLINK---
Worldwide exida Functional Safety AssessmentP+F 1408-047-C R039 Assessment Report V1 R1PDF1125 KB
Control drawings
Control Drawing UL / Control Drawing UL   PDF129 KB

Associated Products: KFD2-ST3-Ex2

Accessories

Interface for Power Rail, Supply current ≤ 4 A, Replaceable fuse, Relay contact output, reversible, LED status indicationpa

35 mm DIN mounting rail with 3-conductor insert, Provides DC supply voltage to all equipped K-System modules, Standard length 2 m (6 foot), simple to customize to application space, Eliminates daisy-chainspa

35 mm DIN mounting rail with 3-conductor insert, Provides DC supply voltage to all equipped K-System modules, Standard length 0.8 m (2.6 ft), simple to customize to application space, Eliminates daisy-chainspa
Cable trunking is integrated in the mounting profile, Safe spacious separation of safe and hazardous signals, No additional cable guides necessary, Standard length 1.8 m (5.8 ft), simple to customize to application space, With mounting aidspa
Cable trunking with integrated Power Rail UPR-03, Safe spacious separation of safe and hazardous signals, No additional cable guides necessary, Provides DC supply voltage to all equipped K-System modules, Standard length 1.8 m (5.8 ft), simple to customize to application space, With end caps UPR-E, cover and mounting aidspa

Function: KFD2-ST3-Ex2

This isolated barrier is used for intrinsic safety applications.

The device transfers digital signals (NAMUR sensors or dry contacts) from a hazardous area to a safe area.

Each input controls an active transistor output.

Via switches the mode of operation can be reversed and the line fault detection can be switched off.

A fault is signalized by LEDs acc. to NAMUR NE44 and a separate collective error message output.