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EN 61511-1:2017

Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming Requirements EN 61511-1:2017

Publication date:   Jun 14, 2017

General information

90.93   Standard confirmed   Jul 13, 2026

CENELEC

CLC/TC 65X Industrial-process measurement, control and automation

European Norm

13.110   Safety of machinery | 25.040.01   Industrial automation systems in general

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Scope

IEC 61511-1:2016 is available as <a
href="https://webstore.iec.ch/publication/24237">IEC 61511-1:2016
RLV which contains the International Standard and its Redline
version, showing all changes of the technical content compared to
the previous edition.



IEC 61511-1:2016 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.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 61511-1:2004

NOW

PUBLISHED
EN 61511-1:2017
90.93 Standard confirmed
Jul 13, 2026

CORRIGENDA / AMENDMENTS

PUBLISHED
EN 61511-1:2017/A1:2017

Relations

Adopted from IEC 61511-1:2016/COR1:2016 IDENTICAL




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