Transcription of An introduction to Functional Safety and IEC 61508 - MTL Inst
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Application NoteAN9025An introduction to FunctionalSafety and IEC 61508AN9025-3 Mar 20021 introduction .. 12 Functional Safety .. of Safety .. of terms .. 13 OVERVIEW OF IEC 61508 .. of IEC 61508 .. physical form of the standard .. of the standard .. standard's rationale .. overall Safety lifecycle .. and its analysis and reduction .. requirements and Safety functions .. integrity levels .. assessment .. Principles not covered by the standard .. 64 SOME RELATED STANDARDS .. 19250 .. 61511 .. 75 THE TOLERABILITY OF RISK .. 76 HOW IEC 61508 IS APPLIED .. function .. test .. PFDavg .. reliability .. 117 UNDERSTANDING AND USING IEC 61508 APPROVALS.
Equipment under control (EUC):equipment, machinery, apparatus or plant used for manufacturing, process, transportation, medical or other activities. EUC control system: system which responds to input signals from the process and/or from an operator and generates output signals caus-ing the EUC to operate in the desired manner.
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