EN 61511-1:2017 Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming Requirements
European Committee for Electrotechnical Standardization（CENELEC）
Latest
EN 61511-1:2017
Scope
IEC 61511-1:2016 is available as 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.
EN 61511-1:2017 history
2017EN 61511-1:2017 Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming Requirements
2004EN 61511-1:2004 Functional safety Safety instrumented systems for the process industry sector Part 1: Framework, definitions, system, hardware and software requirements