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IEC 61511-1 Ed. 2.1 en:2017
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IEC 61511-1 Ed. 2.1 en:2017 Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming requirements CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 08/16/2017
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IEC 61511-1:2016+A1:2017(E) gives requirements for the specification, design, installation, operation and maintenance of a safety instrumented system (SIS), so that it can be confidently entrusted to achieve or maintain a safe state of the process. IEC 61511-1 has been developed as a process sector implementation of IEC 61508:2010. The contents of the corrigendum of September 2016 have been included in this copy.This consolidated version consists of the first edition (2004), its amendment 1 (2009) and its amendment 2 (2017). Therefore, no need to order amendments in addition to this publication.