SR EN 50155:2007/AC:2014

Railway applications - Electronic equipment used on rolling stock

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

Status : Withdrawn
Approval date : 10/31/2014
Withdrawal date : 10/13/2020
Number of pages : 4
ICS : 45.060.10 Tractive stock
Technical Committee : 4 - Electrical equipment and systems for railways

Relations with other standards: