FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS-Part 7: Overview of techniques and measures

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IEC 61508-7:2000 FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS -Part 7: Overview of techniques and measures1scope1.1This part of lEC 61508 contains an overview of various safety techniques and measuresrelevant to lEC 61508-2 and lEC 61508-3.NOTE The references should be considered as basic references to methods and tools or as examples, and maynot represent the state of the art.1.2 IEC 61508-1,IEC 61508-2,IEC 61508-3 and lEC 61508-4 are basic safety publications,although this status does not apply in the context of low-complexity E/E/PE 'safety-relatedsystems (see 3.4.4 of lEC 61508-4).As basic safety publications, they are intended for use bytechnical committees in the preparation of standards in accordance with the principlescontained in lEC Guide 104 and ISO/IEC Guide 51.IEC 61508 is also intended for use as astand-alone standard.One of the responsibilities of a technical committee is, wherever applicable, to make use ofbasic safety publications in the preparation of its own publications. In this context，therequirements， test methods or test conditions of this basic safety publication will not applyunless specifically referred to o

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