turck IM1-12-R Handbuch Seite 22

Sicherheitshandbuch - Trennschaltverstärker
Management summary .................................................................................................... 2
1 Purpose and Scope ................................................................................................... 5
2 Project management .................................................................................................. 6
2.1 exida.com ................................................................................................................... 6
2.2 Roles of the parties involved ........................................................................................ 6
2.3 Standards / Literature used .......................................................................................... 6
2.4 Reference documents .................................................................................................. 6
2.4.1 Documentation provided by the customer .......................................................... 6
2.4.2 Documentation generated by exida.com ............................................................ 7
3 Description of the analyzed modules ......................................................................... 8
4 Failure Modes, Effects, and Diagnostic Analysis ..................................................... 10
4.1 Description of the failure categories ........................................................................... 10
4.2 Methodology - FMEDA, Failure rates ......................................................................... 10
4.2.1 FMEDA ............................................................................................................ 10
4.2.2 Failure rates .................................................................................................... 11
4.2.3 Assumptions .................................................................................................... 11
5 Results of the assessment ....................................................................................... 12
5.1 Isolating Switching Amplifier MK13-R-Ex0.................................................................. 13
5.2 Isolating Switching Amplifier IM1-***-R ....................................................................... 15
5.3 Isolating Switching Amplifier IM1-***-T ....................................................................... 17
6 Terms and Definitions .............................................................................................. 19
7 Status of the document ............................................................................................ 20
7.1 Liability ....................................................................................................................... 20
7.2 Releases .................................................................................................................... 20
7.3 Release Signatures .................................................................................................... 20
Appendix 1: Possibilities to reveal dangerous undetected faults during the proof test .. 20
Appendix 1.1: Possible proof tests to detect dangerous undetected faults ........................ 24
Appendix 2: Impact of lifetime of critical components on the failure rate ....................... 25
© exida.com GmbH
Stephan Aschenbrenner
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Table of Contents
TURCK 04-07-14 R002 V3R0.doc; February 21, 2014
Hans Turck GmbH & Co. KG • Tel. +49 208/4952-0 • Fax +49 208/4952-264
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