IEC 61511-1 Ed. 2.1 b PDF

IEC 61511-1 Ed. 2.1 b – Functional safety – Safety instrumented systems for the process industry sector – Part 1: Framework, definitions, system, hardware and application programming requirements CONSOLIDATED EDITION

IEC 61511-1:2016+A1:2017 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.