Author(s)

S. Ricci

Abstract

In the paper a large range of projects and realisation in the field of electronic interlocking are analysed. Specific tools are developed with the aim of allowing the systematic comparison among different systems and of checking them on the basis of IEC and CENELEC standard rules. Further results are represented by the evaluation of plants capacity and the definition of the best field for the application of the different interlocking technologies. 1. Introduction The typical feature of electronic interlocking is the possibility to grant safety conditions by means of computer logic (hardware and software) where the relay systems act in case of traditional interlocking. Electronic command and control systems, not performing, anyway, safety functions, have been developed before proper interlocking systems. After the first electronic interlocking developed by Ericsson all the main signalling co

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