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  2. Safety integrity level - Wikipedia

    en.wikipedia.org/wiki/Safety_integrity_level

    The tolerable level of these risks is specified as a safety requirement in the form of a target 'probability of a dangerous failure' in a given period of time, stated as a discrete SIL. Certification schemes, such as the CASS Scheme (Conformity Assessment of Safety-related Systems) are used to establish whether a device meets a particular SIL ...

  3. Software safety - Wikipedia

    en.wikipedia.org/wiki/Software_safety

    Software safety (sometimes called software system safety) is an engineering discipline that aims to ensure that software, which is used in safety-related systems (i.e. safety-related software), does not contribute to any hazards such a system might pose. There are numerous standards that govern the way how safety-related software should be ...

  4. Safety instrumented system - Wikipedia

    en.wikipedia.org/wiki/Safety_instrumented_system

    An SIS performs a safety instrumented function (SIF). The SIS is credited with a certain measure of reliability depending on its safety integrity level (SIL). The required SIL is determined from a quantitative process hazard analysis (PHA), such as a Layers of Protection Analysis (LOPA). The SIL requirements are verified during the design ...

  5. IEC 61508 - Wikipedia

    en.wikipedia.org/wiki/IEC_61508

    An engineering process called the safety life cycle is defined ... The safety integrity level ... the development of software for safety related automotive ...

  6. IEC 62061 - Wikipedia

    en.wikipedia.org/wiki/IEC_62061

    IEC/EN 62061, ”Safety of machinery: Functional safety of electrical, electronic and programmable electronic control systems”, is the machinery specific implementation of IEC/EN 61508. It provides requirements that are applicable to the system level design of all types of machinery safety-related electrical control systems and also for the ...

  7. List of system quality attributes - Wikipedia

    en.wikipedia.org/wiki/List_of_system_quality...

    Atomicity, consistency, isolation (sometimes integrity), durability is a transaction metric. When dealing with safety-critical systems, the acronym reliability, availability, maintainability and safety is frequently used. [citation needed] Dependability is an aggregate of availability, reliability, safety, integrity and maintainability.

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