Related Manuals for Pepperl+Fuchs KFD2-SR3-2.2S
Summary of Contents for Pepperl+Fuchs KFD2-SR3-2.2S
- Page 1 PROCESS AUTOMATION MANUAL Functional Safety Switch Amplifier KFD2-SR3-(Ex)2.2S ISO9001...
- Page 2 Functional Safety KFD2-SR3-(Ex)2.2S 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-SR3-(Ex)2.2S Content 1 Introduction........4 1.1 Contents . -
Page 4: Introduction
Additionally, the following parts may belong to the documentation, if applicable: • EC-type of examination • 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-SR3-(Ex)2.2S 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 Functional Safety KFD2-SR3-(Ex)2.2S Introduction Depending on the risk level, the warning messages are displayed in descending order as follows: Danger! This symbol indicates an imminent danger. Non-observance will result in personal injury or death. Warning! This symbol indicates a possible fault or danger. Non-observance may cause personal injury or serious property damage.
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Page 7: Product Description
If the device is operated via Power Rail, additionally a collective error message is available. The device is mounted on a 35 mm DIN mounting rail according to EN 60715. KFD2-SR3-2.2S This signal conditioner provides the galvanic isolation between field circuits and control circuits. -
Page 8: Marking
Functional Safety KFD2-SR3-(Ex)2.2S Product Description Marking Pepperl+Fuchs GmbH Lilienthalstraße 200, 68307 Mannheim, Germany KFD2-SR3-2.2S, KFD2-SR3-Ex2.2S Up to SIL 2 Standards and Directives for Functional Safety Device specific standards and directives Functional safety IEC/EN 61508, part 1 – 7, edition 2010:... -
Page 9: Planning
Functional Safety KFD2-SR3-(Ex)2.2S 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-SR3-(Ex)2.2S 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: Safety Function And Safe State
• inverted operation (output inverts input) Observe that only one input and one output are part of the same safety function in the 2-channel version. DIP Switch Settings Function Mode KFD2-SR3-2.2S, KFD2-SR3-Ex2.2S Mode channel I normal mode S1 position I inverted mode... -
Page 12: Characteristic Safety Values
Functional Safety KFD2-SR3-(Ex)2.2S Planning Characteristic Safety Values Parameters acc. to IEC 61508 Characteristic values Assessment type and documentation Full assessment Device type Mode of operation Low demand mode or high demand mode SIL (SC) Safety function Normal/inverted operation 145 FIT ... -
Page 13: Useful Lifetime
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 there are no components with reduced life time in the safety loop (for... -
Page 14: Mounting And Installation
Functional Safety KFD2-SR3-(Ex)2.2S 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 15: Operation
Functional Safety KFD2-SR3-(Ex)2.2S 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 16 Functional Safety KFD2-SR3-(Ex)2.2S Operation Check the settings after the configuration by suitable tests. Proof Test Procedure 1. Test each input channel individually. The threshold must be between 1.4 mA and 1.9 mA. The hysteresis must be between 170 A and 250 A. For normal mode of operation the relay of the corresponding output must have switched, if the input current is above the threshold.
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Page 17: Maintenance And Repair
Functional Safety KFD2-SR3-(Ex)2.2S 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 18: List Of Abbreviations
Functional Safety KFD2-SR3-(Ex)2.2S 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 19 Functional Safety KFD2-SR3-(Ex)2.2S Notes...
- Page 20 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-5022 03/2016...