EN 50155:2001
(Main)Railway applications - Electronic equipment used on rolling stock
Railway applications - Electronic equipment used on rolling stock
Applies to all electronic equipment for control, regulation, protection, supply etc. associated with the accumulator battery of the vehicle or a low voltage power supply source with or without the direct connection to the contact system. Does not apply however to electronic power circuits which conform to IEC 61287-1. It covers the conditions of operation, design, construction and testing of electronic equipment as well as basic hardware and software requirements. This consolidated version consists of the second edition (1998) and its amendment 1 (2006). Therefore, no need to order amendment in addition to this publication.
Bahnanwendungen - Elektronische Einrichtungen auf Schienenfahrzeugen
Applications ferroviaires - Equipements électroniques utilisés sur le matériel roulant
S'applique à tous les équipements électroniques de commande, de régulation, de protection, d'alimentation etc., reliés à la batterie d'accumulateurs du véhicule ou à une source d'alimentation basse tension avec ou sans liaison galvanique avec la ligne de contact. Ne s'applique pas toutefois aux circuits électroniques de puissance qui doivent être conforme à la CEI 61287-1. Couvre les conditions de fonctionnement, la conception, la construction mécanique et les essais des équipements électroniques ainsi que les exigences de base du matériel et logiciel. Cette version consolidée comprend la deuxième édition (1998) et son amendement 1 (2006). Il n'est donc pas nécessaire de commander l'amendement avec cette publication.
Železniške naprave – Elektronska oprema na voznih sredstvih
General Information
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Standards Content (Sample)
SLOVENSKI SIST EN 50155:2002
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STANDARD
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Railway applications – Electronic equipment used in rolling stock
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EUROPEAN STANDARD EN 50155
NORME EUROPÉENNE
EUROPÄISCHE NORM August 2001
ICS 29.280; 45.060.10 Supersedes EN 50155:1995
English version
Railway applications -
Electronic equipment used on rolling stock
Applications ferroviaires - Bahnanwendungen -
Equipements électroniques utilisés Elektronische Einrichtungen auf
sur le matériel roulant Schienenfahrzeugen
This European Standard was approved by CENELEC on 2000-08-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any
other language made by translation under the responsibility of a CENELEC member into its own
language and notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50155:2001 E
Foreword
This European Standard was prepared by the CENELEC Technical Committee TC 9X, Electrical and
electronic applications in railways.
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by
CENELEC as EN 50155 on 2000-08-01.
This European Standard supersedes EN 50155:1995.
This second edition of EN 50155 has the purpose to technically align the European Standard to the
International Standard IEC 60571:1998, keeping however the reference to the European needs, mainly
expressed in the requirements of horizontal European standardisation.
The following dates were fixed:
- latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2002-02-01
- latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2003-08-01
Annexes designated “normative” are part of the body of the standard. Annexes designated “informative”
are given for information only. In this standard annex A is informative, and contains a list of clauses
where agreement between the parties (e.g. user and manufacturer) is mentioned. Annex B is also
informative and lists a number of Standard documents which may assist in this standard.
____________
- 3 - EN 50155:2001
Contents
1 General .5
1.1 Scope.5
1.2 Normative references.5
1.3 Definitions.7
2 Environmental service conditions of operation .9
2.1 Normal service conditions .9
2.2 Special service conditions .10
3 Electrical service conditions .10
3.1 Power supply.10
3.2 Supply overvoltages .12
3.3 Installation.12
3.4 Surges and electrostatic discharge .13
3.5 Electromagnetic compatibility.14
4 Reliability, maintainability and expected useful life.14
4.1 Equipment reliability.14
4.2 Useful life.14
4.3 Maintainability.14
4.4 Maintenance levels .15
4.5 Built-in diagnostics .15
4.6 Automatic test equipment.15
4.7 Alternative methods for fault diagnosis.15
4.8 Purpose built test equipment and special tools .16
5 Design.16
5.1 General .16
5.2 Detailed practices - Hardware.16
5.3 Detailed practices - Software.18
5.4 System features.20
6 Components.21
6.1 Procurement.21
6.2 Application.22
7 Construction.22
7.1 Equipment construction.22
7.2 Component mounting.22
7.3 Electrical connections.23
7.4 Internal flexible wiring (electrical and optical) .24
7.5 Flexible printed and strip wiring .24
7.6 Printed board-flexible and rigid.25
7.7 Protective coatings for printed board assemblies.25
7.8 Identification.26
7.9 Mounting .26
7.10 Cooling and ventilation.27
7.11 Materials and finishes.27
8 Safety.27
8.1 General .27
8.2 Functional safety.27
8.3 Personnel safety.27
9 Documentation.27
9.1 Supply and storage of documentation.27
9.2 Hardware and software documentation.28
9.3 Documentation requirements.29
10 Testing.30
10.1 Categories of tests .30
10.2 List of tests.31
Tables
1 Ambient temperature.9
2 List of tests.31
Figures
1 System interfacing with the typical EMC areas A, B and C .17
2 Supply overvoltage .35
3 Alternative test for supply overvoltage.36
4 Capacitor discharge surge test .37
Annex A (informative) List of subclauses in which agreement between the parties
(e.g. user and manufacturer) is mentioned .43
Annex B (informative) Bibliography.44
- 5 - EN 50155:2001
1 General
1.1 Scope
This standard applies to all electronic equipment for control, regulation, protection, supply, etc., installed
on rail vehicles and associated with:
- either the accumulator battery of the vehicle;
- or a low voltage power supply source with or without a direct connection to the contact system
(transformer, potentiometer device, auxiliary supply);
with the exception of electronic power circuits, which conform to EN 50207.
This standard covers the conditions of operation, design, construction, and testing of electronic
equipment, as well as basic hardware and software requirements considered necessary for competent,
reliable equipment.
Additional requirements in other standards or individual specifications may complement this standard, if
they are justified.
Specific requirements related to practices necessary to assure defined levels of functional safety
(integrity level equal to or higher then one) are to be found in EN 50126, EN 50128, and ENV 50129.
For the purpose of this standard, electronic equipment is defined as equipment mainly composed of
semiconductor devices and recognized associated components. These components will mainly be
mounted on printed boards.
NOTE Sensors (current, voltage, speed, etc.) and firing unit printed board assemblies for power electronic devices are covered by this
standard. Complete firing units are covered by EN 50207.
1.2 Normative references
This European standard incorporates by dated or undated references, provisions from other
publications. These normative references are cited at the appropriate places in the text and the
publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of
these publications apply to this European Standard only when incorporated in it by amendment or
revision. For undated references the latest edition of the publication referred to applies (including
amendments).
EN 29000-3 1998 Quality management and quality assurance standards
Part 3: Guidelines for the application of ISO 9001 to the development, supply
and maintenance of software (ISO 9000-3:1993)
EN 50121-3-2 2000 Railway Applications - Electromagnetic compatibility
Part 3-2: Rolling stock - Apparatus
EN 50126 1999 Railway Applications - Dependability for guided transport systems (RAMS)
EN 50128 2001 Railway Applications - Software for railway control and protection systems
ENV 50129 1998 Railway Applications - Safety related electronic railway control and protection
systems
EN 50163 1995 Railway Applications - Supply voltages of traction systems
EN 50207 2000 Electronic power convertors for rolling stock
EN 60068 Environmental testin
...
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