Serviceline Industrial Sensors
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Fax: 330-963-5827

SMART Current Driver/Repeater KFD0-SCS-Ex1.55

KFD0-SCS-Ex1.55
  • 1-channel isolated barrier
  • 24 V DC supply (loop powered)
  • Current input/output 4 mA ... 20 mA
  • HART-IP or transmitter power supply
  • Low voltage drop
  • Line fault detection (LFD)
  • Up to SIL 2 acc. to IEC/EN 61508
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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 or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:


Datasheet excerpt: Technical data of  KFD0-SCS-Ex1.55

General specifications
Signal typeAnalog input/analog output
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Supply
Rated voltage< 30 V DC , loop powered
Power dissipation0.2 W
Control circuit
Connectionterminals 8-, 9+
Voltagemax. 30 V DC
Current4 ... 20 mA (quiescent current < 0.5 mA)
Power dissipation150 mW at 20 mA and Uin < 24 V
Field circuit
Connectionterminals 1+, 2 / 3-
Voltage≥ 16 V for supply voltage > 21 V
Current4 ... 20 mA (linear transmission 1 ... 22 mA)
Load≤ 800 Ω (at 20 mA)
Transfer characteristics
Voltage dropsee note
Deviation
After calibration≤ ± 80 µA linearity, load and voltage dependence at 20 °C (68 °F)
Influence of ambient temperature< 0.5 µA/K
Dampingapprox. 3 dB
Rise time≤ 20 µs at 0 Ω, ≤ 600 µs with 800 Ω load
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Indicators/settings
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibilityNE 21:2007
Degree of protectionIEC 60529:2001
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 120 g
Dimensions20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) (W x H x D) , housing type B2
Height112 mm
Width20 mm
Depth115 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificatePTB 02 ATEX 2064
MarkingEx-Hexagon II (2)G [Ex ib Gb] IIC
Voltage23.1 V DC
Current28 mA
Power0.647 W
Supply
Maximum safe voltage253 V (Attention! The rated voltage can be lower.)
CertificatePF 11 CERT 0902 X
MarkingEx-Hexagon II 3G Ex nA IIC T4 Gc
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.

Classifications

SystemClasscode
ECLASS 13.027210120
ECLASS 12.027210120
ECLASS 11.027210120
ECLASS 10.0.127210120
ECLASS 9.027210120
ECLASS 8.027210120
ECLASS 5.127210120
ETIM 9.0EC002653
ETIM 8.0EC002653
ETIM 7.0EC002653
ETIM 6.0EC002653
ETIM 5.0EC001485
UNSPSC 12.132101514

Details: KFD0-SCS-Ex1.55

Function

This isolated barrier is used for intrinsic safety applications. It is loop powered and isolates a 4 mA ... 20mA signal for transmitters and positioners and is HART compatible.

With a noticeably lower power loss compared to active isolator modules, the barriers 5 V drop makes it suitable for transmitter applications with unstable power sources between 20 V DC ... 30 V DC.

Line fault detection of the field circuit is possible if the control loop in the safe area is monitored for overscale or underscale conditions of the 4 mA ... 20mA range.

The module can also be used for controlling solenoid valves and discrete outputs, such as LEDs. In this case, terminals 8- and 9+ are driven with a 24 V signal.

Informative Literature: KFD0-SCS-Ex1.55

Language Selection:
LiteratureLanguageFile TypeFile Size
Application Report - Energy Generation in Wastwater Treatment PlantsENGPDF532 KB
Application Report - Generating Electricity in Coal-Fired Power PlantsENGPDF412 KB
Application Report - Screening Systems in Sewage Treatment PlantsENGPDF577 KB
Application Report - Sicherer Brennstofftransport in KohlekraftwerkenENGPDF391 KB
Application Report - Water Inlet in Wastewater Treatment PlantsENGPDF526 KB

Product Documentation: KFD0-SCS-Ex1.55

Language Selection:
Safety and Security DocumentationLanguageFile TypeFile Size
Instruction manualENGPDF135 KB
Manuals
ManualENGPDF3685 KB

Design / Simulation: KFD0-SCS-Ex1.55

Language Selection:
CADLanguageFile TypeFile Size
CAD 3-D / CAD 3-DALLSTP3048 KB
CAD Portal / CAD PortalALLLINK---
CAE
CAE EPLAN Data Portal / CAE EPLAN Data PortalALLLINK---
CAE EPLAN macro EDZ / CAE EPLAN Makro EDZALLEDZ942 KB

Approvals: KFD0-SCS-Ex1.55

Language Selection:
CertificatesCertificate No.LanguageFile TypeFile Size
Europe PTB ATEX Category (2) GPTB 02 ATEX 2064ALLPDF6215 KB
Europe Pepperl+Fuchs Certificate of Compliance ATEX Category 3PF 11 CERT 0902 XALLPDF179 KB
South Africa MASCMASC S/17-0867ALLPDF209 KB
exida Functional Safety AssessmentP+F 03/07-04-R013ALLPDF284 KB
Declaration of Conformity
EU Declaration of Conformity (P+F) / EU-Konformitäterklärung (P+F)DOC-0025EALLPDF82 KB

Associated Products: KFD0-SCS-Ex1.55

Matching System Components
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
Accessories
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3-pin screw terminal, For KF modules of K-System, Integrated test sockets for connection of HART communicators, Packaging unit: 5 pieces greenpa
3-pin screw terminal, For KF modules of K-System, Integrated test sockets for connection of HART communicators, Packaging unit: 5 pieces bluepa
Coding of K-System terminal blocks, Coding of LB/FB-System front sockets, Packaging unit: 20 x 6 coding pinspa
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