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Summary of Contents for Pepperl+Fuchs KFD2-ELD-Ex16
- Page 1 PROCESS AUTOMATION MANUAL Functional Safety Ground Fault Detection KFD2-ELD-(Ex)16 ISO9001...
- Page 2 Functional Safety KFD2-ELD-(Ex)16 With regard to the supply of products, the current issue of the following document is applicable: The General Terms of Delivery for Products and Services of the Electrical Industry, published by the Central Association of the Electrical Industry (Zentralverband Elektrotechnik und Elektroindustrie (ZVEI) e.V.) in its most recent version as well as the supplementary clause: "Expanded reservation of proprietorship"...
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Page 3: Table Of Contents
Functional Safety KFD2-ELD-(Ex)16 Content 1 Introduction........4 1.1 Content of this Document . -
Page 4: Introduction
Additionally, the following parts may belong to the documentation, if applicable: • EU-type examination certificate • EU declaration of conformity • Attestation of conformity • Certificates • Control drawings • FMEDA report • Assessment report • Additional documents For more information about functional safety products from Pepperl+Fuchs see www.pepperl-fuchs.com/sil. -
Page 5: Safety Information
Functional Safety KFD2-ELD-(Ex)16 Introduction Safety Information Target Group, Personnel Responsibility for planning, assembly, commissioning, operation, maintenance, and dismounting lies with the plant operator. Only appropriately trained and qualified personnel may carry out mounting, installation, commissioning, operation, maintenance, and dismounting of the product. -
Page 6: Symbols Used
Functional Safety KFD2-ELD-(Ex)16 Introduction Symbols Used This document contains symbols for the identification of warning messages and of informative messages. Warning Messages You will find warning messages, whenever dangers may arise from your actions. It is mandatory that you observe these warning messages for your personal safety and in order to avoid property damage. -
Page 7: Product Description
The device is mounted on a 35 mm DIN mounting rail according to EN 60715. KFD2-ELD-16 This signal conditioner provides the galvanic isolation between field circuits and control circuits. KFD2-ELD-Ex16 This isolated barrier is used for intrinsic safety applications. Interfaces The device has the following interfaces: •... -
Page 8: Marking
Functional Safety KFD2-ELD-(Ex)16 Product Description Marking Pepperl+Fuchs GmbH Lilienthalstraße 200, 68307 Mannheim, Germany Internet: www.pepperl-fuchs.com KFD2-ELD-16, KFD2-ELD-Ex16 Standards and Directives for Functional Safety Device-specific standards and directives Functional safety IEC/EN 61508, part 2, edition 2010: Functional safety of electrical/electronic/programmable electronic... -
Page 9: Planning
Functional Safety KFD2-ELD-(Ex)16 Planning Planning System Structure 3.1.1 Low Demand Mode of Operation If there are two control loops, one for the standard operation and another one for the functional safety, then usually the demand rate for the safety loop is assumed to be less than once per year. -
Page 10: Assumptions
Functional Safety KFD2-ELD-(Ex)16 Planning Assumptions The following assumptions have been made during the FMEDA: • Failure rate based on the Siemens standard SN29500. • Failure rates are constant, wear is not considered. • External power supply failure rates are not included. •... -
Page 11: Useful Life Time
As noted in DIN EN 61508-2:2011 note N3, appropriate measures taken by the manufacturer and plant operator can extend the useful lifetime. Our experience has shown that the useful lifetime of a Pepperl+Fuchs product can be higher if the ambient conditions support a long life time, for example if the ambient temperature is significantly below 60 °C. -
Page 12: Mounting And Installation
Functional Safety KFD2-ELD-(Ex)16 Mounting and Installation Mounting and Installation Installing the Device 1. Observe the safety instructions in the instruction manual. 2. Observe the information in the manual. 3. Observe the requirements for the safety loop. 4. Connect the device only to devices that are suitable for this safety application. 5. -
Page 13: Operation
Functional Safety KFD2-ELD-(Ex)16 Operation Operation Danger! Danger to life from missing safety function If the safety loop is put out of service, the safety function is no longer guaranteed. • Do not deactivate the device. • Do not bypass the safety function. •... -
Page 14: Maintenance And Repair
Functional Safety KFD2-ELD-(Ex)16 Maintenance and Repair Maintenance and Repair Danger! Danger to life from missing safety function If the safety loop is put out of service, the safety function is no longer guaranteed. • Do not deactivate the device. • Do not bypass the safety function. •... -
Page 15: List Of Abbreviations
Functional Safety KFD2-ELD-(Ex)16 List of Abbreviations List of Abbreviations Emergency Shutdown Failure In Time in 10 FMEDA Failure Mode, Effects, and Diagnostics Analysis Probability of safe failure Probability of dangerous detected failure Probability of dangerous undetected failure Probability of failures of components in the safety loop that have ... - Page 16 PROCESS AUTOMATION – PROTECTING YOUR PROCESS Worldwide Headquarters Pepperl+Fuchs GmbH 68307 Mannheim · Germany Tel. +49 621 776-0 E-mail: info@de.pepperl-fuchs.com For the Pepperl+Fuchs representative closest to you check www.pepperl-fuchs.com/contact www.pepperl-fuchs.com Subject to modifications Copyright PEPPERL+FUCHS • Printed in Germany DOCT-5862 09/2017...
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