Functional safety. Safety instrumented systems for the process industry sector - Framework, definitions, system, hardware and application programming requirements Ingestion-build-232773 By making this document open

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Functional safety. Safety instrumented systems for the process industry sector - Framework, definitions, system, hardware and application programming requirements Ingestion-build-232773 By making this document open1 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 615111 has been developed as a process sector implementation of IEC 61508: 2010. In particular, IEC 615111: a) specifies the requirements for achieving functional safety but does not specify who is