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EN 50128 Handbook (extract)

Efficient Development of Safe Railway Applications Software with EN 50128 Objectives Using SCADE Suite

Abstract

This handbook addresses the issue of cost and productivity improvement in the development of safe embedded software for railways applications dealing with control and protection systems. Such projects, driven by EN 50128 standard, traditionally require very difficult and precise development and verification efforts. This handbook first reviews traditional development practices and then the optimization of the development process with the SCADE Suite methodology and tools when it is used with the KCG 5.1.1 Code Generator. SCADE Suite supports automated production of a large part of the safety life-cycle elements. The effects of using SCADE Suite together with the certified KCG 5.1.1 Code Generator will be presented in terms of savings in the development and verification activities, following a step-by-step approach, and considering the objectives that have to be met at each step.