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ČSN EN 50129 ed. 2 Drážní zařízení - Sdělovací a zabezpečovací systémy a systémy zpracování dat - Elektronické zabezpečovací systémy
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ČSN EN 50129 ed. 2 (342675) Nové vydání

Drážní zařízení - Sdělovací a zabezpečovací systémy a systémy zpracování dat - Elektronické zabezpečovací systémy

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Zobrazit všechny normy ze třídy 3426 Železniční zabezpečovací zařízení

ICS: 93.100 Stavba železnic

Anotace obsahu normy

This document is applicable to safety-related electronic systems (including subsystems and equipment) for railway signalling applications.
This document applies to generic systems (i.e. generic products or systems defining a class of applications), as well as to systems for specific applications.
The scope of this document, and its relationship with other CENELEC standards, are shown in Figure 1.
This document is applicable only to the functional safety of systems. It is not intended to deal with other aspects of safety such as the occupational health and safety of personnel. While functional safety of systems clearly can have an impact on the safety of personnel, there are other aspects of system design which can also affect occupational health and safety and which are not covered by this document.
This document applies to all the phases of the life cycle of a safety-related electronic system, focusing in particular on phases from 5 (architecture and apportionment of system requirements) to 10 (system acceptance) as defined in EN 50126 1:2017.
Requirements for systems which are not related to safety are outside the scope of this document.
This document is not applicable to existing systems, subsystems or equipment which had already been accepted prior to the creation of this document. However, so far as reasonably practicable, it should be applied to modifications and extensions to existing systems, subsystems and equipment.
This document is primarily applicable to systems, subsystems or equipment which have been specifically designed and manufactured for railway signalling applications. It should also be applied, so far as reasonably practicable, to general-purpose or industrial equipment (e.g. power supplies, display screens or other commercial off the shelf items), which is procured for use as part of a safety-related electronic system. As a minimum, evidence should be provided in such cases (more information is given in 6.2) to demonstrate either
- that the equipment is not relied on for safety, or
- that the equipment can be relied on for those functions which relate to safety.
This document is aimed at railway duty holders, railway suppliers, and assessors as well as at safety authorities, although it does not define an approval process to be applied by the safety authorities.

Označení ČSN EN 50129 ed. 2 (342675)
Katalogové číslo 506992
Cena 990 Kč vč. DPH
Datum schválení 1. 6. 2019
Datum účinnosti 1. 7. 2019
Jazyk angličtina (obsahuje pouze anglický originál)
Počet stran 158 stran formátu A4
EAN kód 8596135069927
Tato norma nahradila ČSN EN 50129 (342675) z prosince 2003
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