Meeting IEC 61508 Part 1
Abstract
The maximum tolerable failure rate that we set, for each hazard, will lead us to an integrity target for each piece of equipment, depending on its relative contribution to the hazard in question. These integrity targets, as well as providing a numerical target to meet, are also expressed as “safety-integrity levels” according to the severity of the numerical target. This chapter addresses the need for setting integrity targets, ALARP concept, functional safety, establishing competency, and hierarchy of documents, and also steps involved in accomplishing all of these.
Keywords
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