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  • BSI
    BS EN 50155:2007 Railway applications. Electronic equipment used on rolling stock
    Edition: 2010
    $500.66
    / user per year

Description of BS EN 50155:2007 2010

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 are to be determined in accordance with 4.6.3.1 and 4.6.3.2 of EN 50126 and its informative Annex A. Software safety integrity level of 1 or higher shall only be considered when it is shown that a residual safety risk remains and that it has to be carried by the software driven programmable electronic system. In such a case (i.e. software safety integrity level 1 or higher), EN 50128 is applicable.

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.



Standard NumberBS EN 50155:2007
TitleRailway applications. Electronic equipment used on rolling stock
StatusWithdrawn
Publication Date2010-07-31
Withdrawn Date2017-10-20
ReplacesBS EN 50155:2001
Identical National Standard OfEN 50155:2007/corrigendum May 2010
CorrectsBS EN 50155:2007
DescriptorsEnvironment (working), Railway equipment, Electronic equipment and components, Railway vehicle components, Technical documents, Electric power systems, Control equipment, Integrated circuits, Test methods, Railway vehicles, Reliability, Printed-circuit boards, Semiconductor devices
ICS45.060.10 Tractive stock
CommitteeGEL/9
ISBN978 0 580 71755 0
PublisherBSI
Pages46

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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