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BS EN 50155-2007 Railway applications - Electronic equipment used on rolling stock

Standard Number:  BS EN 50155-2007
Title:  Railway applications - Electronic equipment used on rolling stock
Language:  English
Publication Date:  2007/8/31
Execute Date:  2007/8/31
Adopted International Standard:  EN 50155-2007,IDT
Status:  Current
International Classification for Standards (ICS)RAILWAY ENGINEERING>>Railway rolling stock>>Tractive stock
Publisher:  British Standards
Number of Pages:46P.;A4   

Preface:Railway equipment, Railway vehicle components, Electronic equipment and components, Railway vehicles, Control equipment, Environment (working), Electric power systems, Semiconductor devices, Printed-circuit boards, Integrated circuits, Reliability, Technical documents, Test methods Railway applications  
Description: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 and 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.  
Cross References:EN 50121-3-2:2000; EN 50125-1:1999; EN 50126; EN 50128:2001; EN 50163:1995; EN 50207:2000; IEC 61287-1:1995; EN 60068; IEC 60068; EN 60068-2-1:1993; IEC 60068-2-1:1990; EN 60068-2-2:1993; IEC 60068-2-2:1974; IEC 60068-2-2A:1976; EN 60068-2-30:2005; IEC 6  
Catalog:1 Scope
2 Normative references
3 Definitions
4 Environmental service conditions of operation
4.1 Normal service conditions
4.2 Special service conditions
5 Electrical service conditions
5.1 Power supply
5.2 Supply
5.3 Installation
5.4 Surges electrostatic discharge and transient burst
susceptibility tests
5.5 Electromagnetic compatibility
6 Reliability, maintainability and expected useful life
6.1 Equipment reliability
6.2 Useful life
6.3 Maintainability
6.4 Maintenance levels
6.5 Built-in diagnostics
6.6 Automatic test equipment
6.7 Alternative methods for fault diagnosis
6.8 Purpose built test equipment and special tools
7 Design
7.1 General
7.2 Detailed practices - Hardware
7.3 Detailed practices - Software
7.4 Equipment features
8 Component
8.1 Procurement
8.2 Application
9 Construction
9.1 Equipment construction
9.2 Component mounting
9.3 Electrical connections
9.4 Internal flexible wiring (electrical and optical)
9.5 Flexible printed and strip wiring
9.6 Printed board-flexible and rigid
9.7 Protective coatings for printed board assemblies
9.8 Identification
9.9 Mounting
9.10 Cooling and ventilation
9.11 Materials and finishes
10 Safety
10.1 General
10.2 Functional
10.3 Personnel
11 Documentation
11.1 Supply and storage of documentation
11.2 Hardware and software documentation
11.3 Documentation requirements
12 Testing
12.1 Categories of tests
12.2 List of tests
Annex A (informative) List of subclauses in which agreement
between the parties (e.g. user and manufacturer) is
Annex ZZ (informative) Coverage of Essential Requirements of
EC Directives  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  836KB
Tile in English:  Railway applications - Electronic equipment used on rolling stock

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