To the specification and demonstration of safety for all railway applications and at all levels of such an application, as appropriate, from complete railway systems to major systems and to individual and combined sub-systems and components within these major systems, including those containing software, in particular: This part 2 of EN 50126 is applicable to railway applications fields, namely Command, Control and Signalling, Rolling Stock and Fixed Installations, and specifically: Rules or processes pertaining to the certification of railway products against the requirements of this standard Īn approval process by the safety authority. RAMS targets, quantities, requirements or solutions for specific railway applications ![]() Provides guidance about the definition of the system under consideration, including identification of the interfaces and the interactions of this system with its subsystems or other systems, in order to conduct the risk analysis ![]() Provides the user of this standard with the methods to assure safety with respect to the system under consideration and its interactions Provides guidance and methods for the following areas:Īpportionment of functional safety requirements This standard does not allow the allocation of safety integrity levels to non-electronic functions.
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