FprEN 50155
(Main)Railway applications - Rolling stock - Electronic equipment
Railway applications - Rolling stock - Electronic equipment
Revision of EN50155:2017 in order to include, after analysis and evaluation by WG29, the unresolved comments/issues on FprEN 50155, most of which were casted by Fr NC and Fi NC and reported in the document SC9XB_61051vot1_res_ccmc_20170714-Final.doc.
Bahnanwendungen - Fahrzeuge - Elektronische Betriebsmittel
Applications ferroviaires - Équipements électroniques utilisés sur le matériel roulant
Železniške naprave - Vozna sredstva - Elektronska oprema
General Information
RELATIONS
Standards Content (sample)
SLOVENSKI STANDARD
oSIST prEN 50155:2019
01-april-2019
Železniške naprave - Vozna sredstva - Elektronska oprema
Railway applications - Rolling stock - Electronic equipment
Bahnanwendungen - Elektronische Einrichtungen auf Schienenfahrzeugen
Applications ferroviaires - Équipements électroniques utilisés sur le matériel roulant
Ta slovenski standard je istoveten z: prEN 50155ICS:
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
oSIST prEN 50155:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 50155:2019
EUROPEAN STANDARD DRAFT
prEN 50155
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2019
ICS 45.060.01 Will supersede EN 50155:2017
English Version
Railway applications - Rolling stock - Electronic equipment
Applications ferroviaires - Équipements électroniques Bahnanwendungen - Elektronische Einrichtungen auf
utilisés sur le matériel roulant SchienenfahrzeugenThis draft European Standard is submitted to CENELEC members for enquiry.
Deadline for CENELEC: 2019-05-17.
It has been drawn up by CLC/SC 9XB.
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.
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Page
Contents
3 European foreword ............................................................................................................................... 8
4 Introduction ......................................................................................................................................... 10
5 1 Scope .................................................................................................................................... 11
6 2 Normative references .......................................................................................................... 11
7 3 Terms, definitions and abbreviations ................................................................................ 13
8 3.1 Terms and definitions ............................................................................................................. 13
9 3.2 Abbreviations ......................................................................................................................... 19
10 4 General requirements .......................................................................................................... 20
11 4.1 Performance requirements .................................................................................................... 20
12 4.2 Performance criteria ............................................................................................................... 20
13 4.2.1 General ........................................................................................................................... 20
14 4.2.2 Performance criterion A .................................................................................................. 20
15 4.2.3 Performance criterion B .................................................................................................. 20
16 4.2.4 Performance criterion C .................................................................................................. 21
17 4.3 Environmental service conditions .......................................................................................... 21
18 4.3.1 Altitude ............................................................................................................................ 21
19 4.3.2 Operating temperature .................................................................................................... 21
20 4.3.3 Switch-on extended operating temperature .................................................................... 22
21 4.3.4 Rapid temperature variations .......................................................................................... 23
22 4.3.5 Shock and vibration ........................................................................................................ 23
23 4.3.6 Electromagnetic compatibility ......................................................................................... 23
24 4.3.7 Relative humidity ............................................................................................................ 24
25 4.4 Special service conditions ...................................................................................................... 24
26 4.4.1 General ........................................................................................................................... 24
27 4.4.2 Atmospheric pollutants ................................................................................................... 24
28 5 Electrical service conditions .............................................................................................. 24
29 5.1 Power supply system ............................................................................................................. 24
30 5.1.1 General ........................................................................................................................... 24
31 5.1.2 Battery voltage supply system ........................................................................................ 26
32 5.1.3 Supply different from the vehicle battery ........................................................................ 30
33 5.2 Installation requirements ........................................................................................................ 30
34 5.2.1 General ........................................................................................................................... 30
35 5.2.2 Installation instructions ................................................................................................... 30
36 5.2.3 Battery voltage supply system ........................................................................................ 30
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37 5.2.4 Thermal compatibility ...................................................................................................... 30
38 5.2.5 Electromagnetic compatibility ......................................................................................... 31
39 5.2.6 Cabling inside vehicle ..................................................................................................... 31
40 5.2.7 Wiring inside cubicle / box .............................................................................................. 31
41 5.2.8 Insulation of the installation ............................................................................................ 31
42 6 Reliability, maintainability and expected useful life ......................................................... 31
43 6.1 Equipment reliability ............................................................................................................... 31
44 6.1.1 Predicted reliability .......................................................................................................... 31
45 6.1.2 Proof of reliability ............................................................................................................ 31
46 6.2 Useful life ............................................................................................................................... 32
47 6.2.1 Maintainability ................................................................................................................. 32
48 6.2.2 General ........................................................................................................................... 32
49 6.2.3 Preventive Maintenance ................................................................................................. 32
50 6.2.4 Corrective Maintenance .................................................................................................. 32
51 6.2.5 Built-in diagnostics .......................................................................................................... 33
52 6.3 Automatic test equipment ...................................................................................................... 33
53 6.4 Purpose-built test equipment and special tools ..................................................................... 33
54 7 Design ................................................................................................................................... 34
55 7.1 General .................................................................................................................................. 34
56 7.1.1 Quality management ....................................................................................................... 34
57 7.1.2 System Life-cycle ............................................................................................................ 34
58 7.2 Detailed practices - Hardware ................................................................................................ 34
59 7.2.1 Insulation coordination .................................................................................................... 34
60 7.2.2 Interfacing ....................................................................................................................... 34
61 7.2.3 Fault protection ............................................................................................................... 36
62 7.2.4 Referencing power supplies ........................................................................................... 36
63 7.2.5 Interchangeability ............................................................................................................ 36
64 7.2.6 Reduction of supply voltage and ON/OFF phases ......................................................... 36
65 7.2.7 Reverse polarity protection ............................................................................................. 36
66 7.2.8 Inrush currents ................................................................................................................ 36
67 7.2.9 Energetic transient pulses .............................................................................................. 36
68 7.2.10 Capacitance to ground/earth .......................................................................................... 37
69 7.2.11 Spare capacity ................................................................................................................ 37
70 7.2.12 Programmable component ............................................................................................. 37
71 7.3 Detailed practices - Software ................................................................................................. 37
72 7.3.1 General ........................................................................................................................... 37
73 7.3.2 Life-cycle ......................................................................................................................... 37
74 7.4 Features of software controlled equipment ............................................................................ 37
75 7.4.1 General ........................................................................................................................... 37
76 7.4.2 Self-test ........................................................................................................................... 37
77 7.4.3 Watchdog ........................................................................................................................ 37
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78 7.4.4 Failure indication ............................................................................................................. 37
79 7.4.5 Recovery ......................................................................................................................... 38
80 8 Electronic equipment not designed for use at rolling stock ........................................... 38
81 9 Components ......................................................................................................................... 38
82 9.1 Procurement ........................................................................................................................... 38
83 9.2 Application .............................................................................................................................. 38
84 10 Construction ......................................................................................................................... 39
85 10.1 Equipment construction ......................................................................................................... 39
86 10.1.1 General ........................................................................................................................... 39
87 10.1.2 Mechanical protection ..................................................................................................... 39
88 10.1.3 Polarization or coding ..................................................................................................... 39
89 10.1.4 Dimensional requirements .............................................................................................. 39
90 10.1.5 Integrated circuit sockets and edge connectors ............................................................. 40
91 10.1.6 Equipment cabling .......................................................................................................... 40
92 10.2 Component mounting ............................................................................................................. 41
93 10.2.1 General ........................................................................................................................... 41
94 10.2.2 Layout ............................................................................................................................. 41
95 10.2.3 Fixing .............................................................................................................................. 41
96 10.2.4 Component lead terminations ......................................................................................... 41
97 10.2.5 Pre-set control................................................................................................................. 41
98 10.2.6 Select on test components ............................................................................................. 41
99 10.3 Electrical connections ............................................................................................................ 41
100 10.3.1 General ........................................................................................................................... 41
101 10.3.2 Soldered connections ..................................................................................................... 41
102 10.3.3 Crimped connections ...................................................................................................... 42
103 10.3.4 Wire wrap connections ................................................................................................... 42
104 10.3.5 Other connections ........................................................................................................... 42
105 10.4 Internal flexible wiring (electrical and optical) ........................................................................ 42
106 10.5 Flexible printed wiring ............................................................................................................ 42
107 10.6 Printed circuit boards - flexible and rigid ................................................................................ 43
108 10.6.1 Holes ............................................................................................................................... 43
109 10.6.2 Printed circuit board acceptability ................................................................................... 43
110 10.6.3 Layout ............................................................................................................................. 43
111 10.6.4 Materials ......................................................................................................................... 43
112 10.7 Protective coatings for printed board assemblies .................................................................. 43
113 10.8 Identification ........................................................................................................................... 44
114 10.8.1 Bare PCB identification ................................................................................................... 44
115 10.8.2 Identification of subracks and printed board assemblies ................................................ 44
116 10.8.3 Mounting position of subracks and printed board assemblies ........................................ 44
117 10.8.4 Fuse and battery identification ........................................................................................ 44
118 10.9 Mounting ................................................................................................................................ 44
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119 10.10 Cooling and ventilation ........................................................................................................... 44
120 10.11 Materials and finishes ............................................................................................................ 44
121 10.12 Reworking, modification and repair of electronic assemblies ................................................ 45
122 11 Safety .................................................................................................................................... 45
123 11.1 General .................................................................................................................................. 45
124 11.2 Personnel safety .................................................................................................................... 45
125 11.3 Fire behaviour requirements .................................................................................................. 45
126 11.4 Functional safety .................................................................................................................... 45
127 12 Documentation ..................................................................................................................... 45
128 12.1 General .................................................................................................................................. 45
129 12.2 Supply and storage of documentation ................................................................................... 46
130 12.3 Datasheet ............................................................................................................................... 46
131 12.4 User and maintenance manual .............................................................................................. 46
132 12.5 Equipment installation documentation ................................................................................... 46
133 12.6 Commissioning documentation .............................................................................................. 47
134 12.7 Design documentation ........................................................................................................... 47
135 12.7.1 General ........................................................................................................................... 47
136 12.7.2 Block diagrams ............................................................................................................... 47
137 12.7.3 Wiring diagrams .............................................................................................................. 47
138 12.7.4 Cabling diagrams ............................................................................................................ 47
139 12.7.5 Interface specification ..................................................................................................... 47
140 12.7.6 Internal interface specification ........................................................................................ 47
141 12.7.7 Equipment drawings ....................................................................................................... 47
142 12.7.8 Documentation – Hardware ............................................................................................ 48
143 12.7.9 Non-repairable items list ................................................................................................. 49
144 12.7.10 Repair documentation ..................................................................................................... 49
145 12.7.11 Documentation – Software ............................................................................................. 50
146 12.7.12 Documentation – System ................................................................................................ 50
147 Testing .................................................................................................................................. 51
148 13.1 General .................................................................................................................................. 51
149 13.2 Categories of tests ................................................................................................................. 51
150 13.2.1 General ........................................................................................................................... 51
151 13.2.2 Type tests ....................................................................................................................... 52
152 13.2.3 Routine tests ................................................................................................................... 52
153 13.2.4 Investigation tests ........................................................................................................... 52
154 13.3 Tests summary ....................................................................................................................... 52
155 13.4 Test specification ................................................................................................................... 53
156 13.4.1 Visual inspection ............................................................................................................. 53
157 13.4.2 Performance test ............................................................................................................ 53
158 13.4.3 DC Power supply test ..................................................................................................... 54
159 13.4.4 Low temperature test ...................................................................................................... 58
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160 13.4.5 Dry heat test .................................................................................................................... 59
161 13.4.6 Low temperature storage test ......................................................................................... 62
162 13.4.7 Insulation test .................................................................................................................. 63
163 13.4.8 Cyclic damp heat test ..................................................................................................... 65
164 13.4.9 Electromagnetic compatibility test .................................................................................. 67
165 13.4.10 Salt mist test ................................................................................................................... 68
166 13.4.11 Vibration and shock test ................................................................................................. 68
167 13.4.12 Enclosure protection test (IP code)................................................................................. 69
168 13.4.13 Stress screening test ...................................................................................................... 69
169 13.4.14 Rapid temperature variation test..................................................................................... 69
170Annex A (informative) List of default requirements of EN 50155 and related clauses .............. 70
171 Annex B (informative) TESTING APPROACH ................................................................................. 71
172 B.1 General .................................................................................................................................. 71
173Table B.1 — Types of proof ............................................................................................................... 71
174 B.2 Situation of applicability ..................................................................................................... 71
175 B.3 General methodology .......................................................................................................... 71
176 General .................................................................................................................................. 71
B.3.1177 Table B.2 — Procedures for integration / installation .................................................................... 72
178 Table B.3 — Procedures for re-verification and replacement........................................................ 72
179 Item specific procedures ..................................................................................................... 72
B.3.2180 B.3.3 Equipment specific steps .................................................................................................... 72
181 B.4 Equipment integration design review ................................................................................ 73
182 Equipment integration type test ......................................................................................... 73
B.5183 B.6 Equipment installation design review................................................................................ 73
184 B.7 Equipment installation type test ......................................................................................... 73
185 Equipment installation routine test .................................................................................... 73
B.8186 B.9 Equipment periodic re-verification ..................................................................................... 73
187 B.10 Replacement of items and ancillary components ............................................................ 73
188Figure B.1 — Integration / Installation steps ................................................................................... 74
189 Annex C (informative) Severity level of the service conditions in different rolling stock locations
190 75191 C.1 General .......................................................................................................................................... 75
192C.2 Severity of service conditions in different rolling stock types ............................................... 75
193 C.3 Intended use of rolling stock ................................................
...
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