prEN 50155

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Železniške naprave - Vozna sredstva - Elektronska opremaBahnanwendungen - Elektronische Einrichtungen auf SchienenfahrzeugenApplications ferroviaires - Équipements électroniques utilisés sur le matériel roulantRailway applications - Rolling stock - Electronic equipment45.060.01Železniška vozila na splošnoRailway rolling stock in generalICS:Ta slovenski standard je istoveten z:prEN 50155oSIST prEN 50155:2019en,fr,de01-april-2019oSIST prEN 50155:2019SLOVENSKI

Applications ferroviaires - Équipements électroniques utilisés sur le matériel roulant

Bahnanwendungen - Elektronische Einrichtungen auf Schienenfahrzeugen This draft European Standard is submitted to CENELEC members for enquiry.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CENELEC 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 CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard. European Committee for Electrotechnical Standardization

Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23,

B-1040 Brussels © 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Project: 66327

2 European foreword ............................................................................................................................... 8 3 Introduction ......................................................................................................................................... 10 4 1 Scope .................................................................................................................................... 11 5 2 Normative references .......................................................................................................... 11 6 3 Terms, definitions and abbreviations ................................................................................ 13 7 3.1 Terms and definitions ............................................................................................................. 13 8 3.2 Abbreviations ......................................................................................................................... 19 9 4 General requirements .......................................................................................................... 20 10 4.1 Performance requirements .................................................................................................... 20 11 4.2 Performance criteria ............................................................................................................... 20 12 4.2.1 General ........................................................................................................................... 20 13 4.2.2 Performance criterion A .................................................................................................. 20 14 4.2.3 Performance criterion B .................................................................................................. 20 15 4.2.4 Performance criterion C .................................................................................................. 21 16 4.3 Environmental service conditions .......................................................................................... 21 17 4.3.1 Altitude ............................................................................................................................ 21 18 4.3.2 Operating temperature .................................................................................................... 21 19 4.3.3 Switch-on extended operating temperature .................................................................... 22 20 4.3.4 Rapid temperature variations .......................................................................................... 23 21 4.3.5 Shock and vibration ........................................................................................................ 23 22 4.3.6 Electromagnetic compatibility ......................................................................................... 23 23 4.3.7 Relative humidity ............................................................................................................ 24 24 4.4 Special service conditions ...................................................................................................... 24 25 4.4.1 General ........................................................................................................................... 24 26 4.4.2 Atmospheric pollutants ................................................................................................... 24 27 5 Electrical service conditions .............................................................................................. 24 28 5.1 Power supply system ............................................................................................................. 24 29 5.1.1 General ........................................................................................................................... 24 30 5.1.2 Battery voltage supply system ........................................................................................ 26 31 5.1.3 Supply different from the vehicle battery ........................................................................ 30 32 5.2 Installation requirements ........................................................................................................ 30 33 5.2.1 General ........................................................................................................................... 30 34 5.2.2 Installation instructions ................................................................................................... 30 35 5.2.3 Battery voltage supply system ........................................................................................ 30 36 oSIST prEN 50155:2019

prEN 50155:2019 (E) 3 5.2.4 Thermal compatibility ...................................................................................................... 30 37 5.2.5 Electromagnetic compatibility ......................................................................................... 31 38 5.2.6 Cabling inside vehicle ..................................................................................................... 31 39 5.2.7 Wiring inside cubicle / box .............................................................................................. 31 40 5.2.8 Insulation of the installation ............................................................................................ 31 41 6 Reliability, maintainability and expected useful life ......................................................... 31 42 6.1 Equipment reliability ............................................................................................................... 31 43 6.1.1 Predicted reliability .......................................................................................................... 31 44 6.1.2 Proof of reliability ............................................................................................................ 31 45 6.2 Useful life ............................................................................................................................... 32 46 6.2.1 Maintainability ................................................................................................................. 32 47 6.2.2 General ........................................................................................................................... 32 48 6.2.3 Preventive Maintenance ................................................................................................. 32 49 6.2.4 Corrective Maintenance .................................................................................................. 32 50 6.2.5 Built-in diagnostics .......................................................................................................... 33 51 6.3 Automatic test equipment ...................................................................................................... 33 52 6.4 Purpose-built test equipment and special tools ..................................................................... 33 53 7 Design ................................................................................................................................... 34 54 7.1 General .................................................................................................................................. 34 55 7.1.1 Quality management ....................................................................................................... 34 56 7.1.2 System Life-cycle ............................................................................................................ 34 57 7.2 Detailed practices - Hardware ................................................................................................ 34 58 7.2.1 Insulation coordination .................................................................................................... 34 59 7.2.2 Interfacing ....................................................................................................................... 34 60 7.2.3 Fault protection ............................................................................................................... 36 61 7.2.4 Referencing power supplies ........................................................................................... 36 62 7.2.5 Interchangeability ............................................................................................................ 36 63 7.2.6 Reduction of supply voltage and ON/OFF phases ......................................................... 36 64 7.2.7 Reverse polarity protection ............................................................................................. 36 65 7.2.8 Inrush currents ................................................................................................................ 36 66 7.2.9 Energetic transient pulses .............................................................................................. 36 67 7.2.10 Capacitance to ground/earth .......................................................................................... 37 68 7.2.11 Spare capacity ................................................................................................................ 37 69 7.2.12 Programmable component ............................................................................................. 37 70 7.3 Detailed practices - Software ................................................................................................. 37 71 7.3.1 General ........................................................................................................................... 37 72 7.3.2 Life-cycle ......................................................................................................................... 37 73 7.4 Features of software controlled equipment ............................................................................ 37 74 7.4.1 General ........................................................................................................................... 37 75 7.4.2 Self-test ........................................................................................................................... 37 76 7.4.3 Watchdog ........................................................................................................................ 37 77 oSIST prEN 50155:2019

prEN 50155:2019 (E) 4 7.4.4 Failure indication ............................................................................................................. 37 78 7.4.5 Recovery ......................................................................................................................... 38 79 8 Electronic equipment not designed for use at rolling stock ........................................... 38 80 9 Components ......................................................................................................................... 38 81 9.1 Procurement ........................................................................................................................... 38 82 9.2 Application .............................................................................................................................. 38 83 10 Construction ......................................................................................................................... 39 84 10.1 Equipment construction ......................................................................................................... 39 85 10.1.1 General ........................................................................................................................... 39 86 10.1.2 Mechanical protection ..................................................................................................... 39 87 10.1.3 Polarization or coding ..................................................................................................... 39 88 10.1.4 Dimensional requirements .............................................................................................. 39 89 10.1.5 Integrated circuit sockets