BS EN 61511-1:2017+A1:2017 PDF

Scope: 1 Scope This part of IEC 61511 gives requirements for the specification, design, installation, operation and maintenance of a safetyinstrumented 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. In particular, IEC 61511‑1: a) specifies the requirements for achieving functional safety but does not specify who is responsible for implementing the requirements (e.g., designers, suppliers, owner/operating company, contractor). This responsibility will be assigned to different parties according to safety planning, project planning and management, and national regulations; b) applies when devices that meets the requirements of the IEC 61508 series published in 2010, or IEC 61511‑1:2016 [11.5], is integrated into an overall system that is to be used for a process sector application. It does not apply to manufacturers wishing to claim that devices are suitable for use in SISs for the process sector (see IEC 61508‑2:2010 and IEC 61508‑3:2010); c) defines the relationship between IEC 61511 and IEC 61508 (see Figures 2 and 3); ...

BS EN 61511-1:2017+A1:2017 history

2018 BS EN 61511-1:2017+A1:2017 Functional safety. Safety instrumented systems for the process industry sector - Framework, definitions, system, hardware and application programming requirements
2017 BS EN 61511-1:2017 Functional safety. Safety instrumented systems for the process industry sector. Framework, definitions, system, hardware and application programming requirements
2003 BS EN 61511-1:2003 Functional safety - Safety instrumented systems for the process industry sector - Framework, definitions, system, hardware and software requirements