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OVE EN 50126-2:2018
Railway Applications - The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) -- Part 2: Systems Approach to Safety (english version)
This Part 2 of EN 50126: - addresses the safety-related generic aspects of the RAMS life cycle, - identifies procedures and tools that are independent of the actual technology of the systems and subsystems, - conveys: - the user of the standard an understanding of the system approach to Safety, which is a key concept of EN 50126, - procedures for deriving the safety requirements and associated safety integrity requirements for the system and subdividing them into the subsystems, - procedures for deriving safety integrity levels (SIL) for the safety - related ones electronic functions.
Austrian Standards Institute [on]