EN 50129:2003

Railway applications - Communication, signalling and processing systems - Safety related electronic systems for signalling

Publication date:   Jun 11, 2004

General information

99.60 Withdrawal effective   Nov 23, 2021

CENELEC

CLC/TC 9X Electrical and electronic applications for railways

European Norm

93.100   Construction of railways

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Scope

This standard is applicable to safety-related electronic systems (including sub-systems and equipment) for railway signalling applications.
The scope of this standard, and its relationship with other CENELEC standards, are shown in Figure 1.
This standard is intended to apply to all safety-related railway signalling systems/sub-system/equipment. However, the hazard analysis and risk assessment processes defined in EN 50126 and this standard are necessary for all railway signalling systems/sub-systems/equipment, in order to identify any safety requirements. If analysis reveals that no safety requirements exist (i.e.: that the situation is non-safety-related), and provided the conclusion is not revised as a consequence of later changes, this safety standard ceases to be applicable.
This standard applies to the specification, design, construction, installation, acceptance, operation, maintenance and modification/extension phases of complete signalling systems, and also to individual sub-systems and equipment within the complete system. Annex C includes procedures relating to electronic hardware components.
This standard applies to generic sub-systems and equipment (both application-independent and those intended for a particular class of application), and also to systems/sub-systems/equipment for specific applications.
This standard is not applicable to existing systems/sub-systems/equipment (i.e. those which had already been accepted prior to the creation of this standard). However, as far as reasonably practicable, this standard should be applied to modifications and extensions to existing systems, sub-systems and equipment.
This standard is primarily applicable to systems/sub-systems/equipment which have been specifically designed and manufactured for railway signalling applications. It should also be applied, as far as reasonably practicable, to general-purpose or industrial equipment (e.g.: power supplies, modems, etc.), which is procured for use as part of a safety-related signalling system. As a minimum, evidence shall be provided in such cases 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 standard is applicable to the functional safety of railway signalling systems. It is not intended to deal with the occupational health and safety of personnel; this subject is covered by other standards.

Related legislation

Legislation related to this standard

96/48/EC

Interoperability of the trans-European high-speed rail system

Harmonized/Supporting
2001/16/EC

Directive 2001/16/EC of the European Parliament and of the Council of 19 March 2001 on the interoperability of the trans-European conventional rail system

2008/57/EC

DIRECTIVE 2008/57/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 June 2008 on the interoperability of the rail system within the Community (Recast)

Harmonized/Supporting

Life cycle

PREVIOUSLY

WITHDRAWN
ENV 50129:1998

NOW

WITHDRAWN
EN 50129:2003
99.60 Withdrawal effective
Nov 23, 2021

CORRIGENDA / AMENDMENTS

WITHDRAWN
EN 50129:2003/corrigendum May 2010

REVISED BY

PUBLISHED
EN 50129:2018