{"id":386869,"date":"2024-10-20T03:37:27","date_gmt":"2024-10-20T03:37:27","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-501552021-tc\/"},"modified":"2024-10-26T06:37:28","modified_gmt":"2024-10-26T06:37:28","slug":"bs-en-501552021-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-501552021-tc\/","title":{"rendered":"BS EN 50155:2021 – TC"},"content":{"rendered":"

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.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
166<\/td>\nundefined <\/td>\n<\/tr>\n
175<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
177<\/td>\n3 Terms, definitions and abbreviations
3.1 Terms and definitions <\/td>\n<\/tr>\n
183<\/td>\n3.2 Abbreviations <\/td>\n<\/tr>\n
184<\/td>\n4 General requirements
4.1 Requirement for equipment characteristics
4.2 Classes of environmental, constructional and service conditions
4.3 Performance criteria
4.3.1 General <\/td>\n<\/tr>\n
185<\/td>\n4.3.2 Performance criterion A
4.3.3 Performance criterion B
4.3.4 Performance criterion C
4.4 Environmental service conditions
4.4.1 Altitude
4.4.2 Operating temperature <\/td>\n<\/tr>\n
187<\/td>\n4.4.3 Increased operating temperature at switch-on
4.4.4 Rapid temperature variations <\/td>\n<\/tr>\n
188<\/td>\n4.4.5 Shock and vibration
4.4.6 Electromagnetic compatibility
4.4.7 Relative humidity <\/td>\n<\/tr>\n
189<\/td>\n4.5 Special service conditions
4.5.1 General
4.5.2 Atmospheric pollutants
4.6 Installation requirements
4.6.1 General
4.6.2 Installation instructions
4.6.3 Battery voltage supply system
4.6.4 Thermal compatibility
4.6.5 Electromagnetic compatibility <\/td>\n<\/tr>\n
190<\/td>\n4.6.6 Cabling inside vehicle
4.6.7 Wiring inside equipment
4.6.8 Insulation of the installation
5 Electrical service conditions
5.1 General
5.1.1 DC supply system <\/td>\n<\/tr>\n
191<\/td>\n5.1.2 AC supply system <\/td>\n<\/tr>\n
192<\/td>\n5.2 Battery voltage supply system
5.2.1 General
5.2.2 Supply voltage range <\/td>\n<\/tr>\n
193<\/td>\n5.2.3 Temporary supply voltage variation
5.2.4 Interruptions of supply voltage <\/td>\n<\/tr>\n
194<\/td>\n5.2.5 Supply change-over
5.2.6 Grouping of supply voltages <\/td>\n<\/tr>\n
195<\/td>\n5.2.7 DC ripple factor <\/td>\n<\/tr>\n
196<\/td>\n5.2.8 Behaviour of system power supply during start of combustion engine
5.3 Supply by another source than the vehicle battery
5.3.1 Supply by a specific source
5.3.2 Supply by an AC auxiliary power converter
5.3.3 Supply with overhead line or third rail
6 Reliability, maintainability and expected useful life
6.1 Equipment reliability
6.1.1 Predicted reliability
6.1.2 Proof of reliability <\/td>\n<\/tr>\n
197<\/td>\n6.2 Useful life
6.3 Maintainability
6.3.1 General
6.3.2 Preventive maintenance <\/td>\n<\/tr>\n
198<\/td>\n6.3.3 Corrective maintenance
6.3.3.1 On-vehicle diagnosis and repair
6.3.3.2 Off-vehicle diagnosis and repair
6.3.4 Built-in diagnostics
6.4 Automatic test equipment
6.5 Purpose-built test equipment and special tools <\/td>\n<\/tr>\n
199<\/td>\n7 Design
7.1 General
7.1.1 Quality management
7.1.2 System life cycle model
7.2 Detailed practices – Hardware
7.2.1 Insulation coordination
7.2.2 Interfacing <\/td>\n<\/tr>\n
202<\/td>\n7.2.3 Fault protection
7.2.4 Reference potential of power supplies
7.2.5 Interchangeability
7.2.6 Reduction of supply voltage and ON\/OFF phases
7.2.7 Reverse polarity protection
7.2.8 Inrush currents
7.2.9 Energetic transient pulses <\/td>\n<\/tr>\n
203<\/td>\n7.2.10 Capacitance to earth
7.2.11 Spare capacity
7.2.12 User Programmable Integrated Circuit
7.3 Detailed practices – Software
7.3.1 General
7.3.2 Life cycle
7.4 Features of software-controlled equipment
7.4.1 General
7.4.2 Self-test
7.4.3 Watchdog
7.4.4 Failure indication
7.4.5 Recover from fault or error state <\/td>\n<\/tr>\n
204<\/td>\n8 Electronic equipment not designed for use on rolling stock
9 Components
9.1 Procurement
9.2 Application <\/td>\n<\/tr>\n
205<\/td>\n10 Construction
10.1 Equipment construction
10.1.1 General
10.1.2 Mechanical protection
10.1.3 Polarization or coding
10.1.4 Dimensional requirements <\/td>\n<\/tr>\n
206<\/td>\n10.2 Component mounting
10.2.1 General
10.2.2 Layout
10.2.3 Fixing <\/td>\n<\/tr>\n
207<\/td>\n10.2.4 Component lead terminations
10.2.5 Integrated circuit sockets and edge connectors
10.2.6 Pre-set controls
10.2.7 Select-on-test components
10.3 Electrical connections
10.3.1 General
10.3.2 Soldered connections
10.3.3 Crimped connections <\/td>\n<\/tr>\n
208<\/td>\n10.3.4 Wire wrap connections
10.3.5 Other connections
10.4 Internal flexible wiring (electrical and optical)
10.5 Flexible printed wiring
10.6 Printed circuit boards – flexible and rigid
10.6.1 General <\/td>\n<\/tr>\n
209<\/td>\n10.6.2 Holes
10.6.3 Printed circuit board acceptability
10.6.4 Layout
10.6.5 Materials
10.7 Protective coatings for printed board assemblies <\/td>\n<\/tr>\n
210<\/td>\n10.8 Identification
10.8.1 Bare PCB identification
10.8.2 Identification of subracks and printed board assemblies
10.8.3 Mounting position of subracks and printed board assemblies
10.8.4 Fuse and battery identification
10.9 Mounting
10.10 Cooling and ventilation <\/td>\n<\/tr>\n
211<\/td>\n10.11 Materials and finishes
10.12 Reworking, modification and repair of electronic assemblies
11 Safety
11.1 General
11.2 Personnel safety
11.2.1 General
11.2.2 Personnel safety against electric shock
11.2.3 Personnel safety against effects of excessive temperature
11.3 Functional safety
11.4 Fire behaviour requirements <\/td>\n<\/tr>\n
212<\/td>\n12 Documentation
12.1 General
12.2 Supply and storage of documentation
12.3 Datasheet
12.4 User and maintenance manual
12.5 Equipment installation documentation <\/td>\n<\/tr>\n
213<\/td>\n12.6 Commissioning documentation
12.7 Design documentation
12.7.1 General
12.7.2 Block diagrams
12.7.3 Wiring diagrams
12.7.4 Cabling diagrams <\/td>\n<\/tr>\n
214<\/td>\n12.7.5 Interface specification
12.7.6 Internal interface specification
12.7.7 Equipment drawings
12.7.8 Documentation \u2013 Hardware
12.7.8.1 General
12.7.8.2 Manufacturing data
12.7.8.3 User Programmable Integrated Circuits (UPIC, e.g. FPGA, PLD, ASIC) <\/td>\n<\/tr>\n
215<\/td>\n12.7.9 Non-repairable items list
12.7.10 Repair documentation
12.7.10.1 General <\/td>\n<\/tr>\n
216<\/td>\n12.7.10.2 Circuit diagrams
12.7.10.3 Component list (Bill of material)
12.7.10.4 Component layout
12.7.10.5 Special maintenance tool
12.7.11 Documentation \u2013 Software <\/td>\n<\/tr>\n
217<\/td>\n12.7.12 Documentation \u2013 System
13 Testing
13.1 General <\/td>\n<\/tr>\n
218<\/td>\n13.2 Categories of tests
13.2.1 General
13.2.2 Type tests
13.2.3 Routine tests <\/td>\n<\/tr>\n
219<\/td>\n13.2.4 Investigation tests
13.3 List of tests and test conditions
13.3.1 List of tests
13.3.2 Conditions during testing <\/td>\n<\/tr>\n
220<\/td>\n13.4 Test specification
13.4.1 Visual inspection
13.4.2 Performance test
13.4.3 DC Power supply test
13.4.3.1 General
13.4.3.2 Supply voltage variations
13.4.3.3 Temporary supply overvoltages <\/td>\n<\/tr>\n
221<\/td>\n13.4.3.4 Temporary supply undervoltage <\/td>\n<\/tr>\n
222<\/td>\n13.4.3.5 Interruptions of supply voltage <\/td>\n<\/tr>\n
223<\/td>\n13.4.3.6 Supply change-over <\/td>\n<\/tr>\n
224<\/td>\n13.4.4 Low temperature test <\/td>\n<\/tr>\n
225<\/td>\n13.4.5 Dry heat test
13.4.5.1 General <\/td>\n<\/tr>\n
226<\/td>\n13.4.5.2 Dry heat thermal test \u2014 Cycle A <\/td>\n<\/tr>\n
227<\/td>\n13.4.5.3 Dry heat thermal test \u2014 Cycle B
13.4.5.4 Dry heat thermal test – Cycle C <\/td>\n<\/tr>\n
228<\/td>\n13.4.6 Low temperature storage test
13.4.7 Insulation test
13.4.7.1 General <\/td>\n<\/tr>\n
229<\/td>\n13.4.7.2 Insulation resistance test
13.4.7.3 Voltage withstand test <\/td>\n<\/tr>\n
230<\/td>\n13.4.8 Cyclic damp heat test <\/td>\n<\/tr>\n
233<\/td>\n13.4.9 Electromagnetic compatibility test
13.4.10 Shock and vibration test
13.4.10.1 General
13.4.10.2 Simulated long life testing
13.4.10.3 Shock testing
13.4.10.4 Functional random vibration test
13.4.10.5 Enclosure protection test (IP code) <\/td>\n<\/tr>\n
234<\/td>\n13.4.11 Stress screening test
13.4.12 Rapid temperature variation test
13.4.13 Salt mist test <\/td>\n<\/tr>\n
235<\/td>\nAnnex A (informative)List of default requirements of EN 50155 and related subclauses <\/td>\n<\/tr>\n
236<\/td>\nAnnex B (informative)System testing approach
B.1 General
B.2 Situation of applicability
B.3 General methodology
B.3.1 General <\/td>\n<\/tr>\n
237<\/td>\nB.3.2 Item specific procedures
B.3.3 Equipment specific steps <\/td>\n<\/tr>\n
238<\/td>\nB.4 Equipment integration design review
B.5 Equipment integration type test
B.6 Equipment installation design review
B.7 Equipment installation type test
B.8 Equipment installation routine test
B.9 Equipment periodic re-verification
B.10 Replacement of items and ancillary components <\/td>\n<\/tr>\n
240<\/td>\nAnnex C (informative)Severity level of service conditions in different vehicle locations
C.1 General
C.2 Severity of service conditions in different rolling stock types
C.3 Intended use of rolling stock
C.4 Location of equipment on-board rolling stock <\/td>\n<\/tr>\n
242<\/td>\nC.5 Severity of the service conditions in different rolling stock locations <\/td>\n<\/tr>\n
244<\/td>\nAnnex D (informative)Example for a summary of equipment type test compliance <\/td>\n<\/tr>\n
247<\/td>\nAnnex E (informative)User programmable integrated circuit life cycle example <\/td>\n<\/tr>\n
248<\/td>\nAnnex F (informative)Design suggestions for electronic hardware used on rolling stock
F.1 Purpose of this annex
F.2 Design topics
F.2.1 Pollutants
F.2.2 Methods against ageing regarding energetic transient pulses <\/td>\n<\/tr>\n
249<\/td>\nF.2.3 Capacitors to earth
F.2.4 Inside cabling for equipment <\/td>\n<\/tr>\n
250<\/td>\nF.2.5 Earth configuration
F.2.6 Prototype testing
F.2.7 Interfacing
F.2.8 Solder joint on PBA
F.2.9 Derating <\/td>\n<\/tr>\n
258<\/td>\nAnnex G (informative)Electronic equipment not designed for use on rolling stock <\/td>\n<\/tr>\n
260<\/td>\nAnnex H (informative)Paragraphs with Agreements between the involved Parties <\/td>\n<\/tr>\n
265<\/td>\nAnnex I (informative)Electronic equipment supplied from AC supply system
I.1 General
I.2 Electric requirements <\/td>\n<\/tr>\n
266<\/td>\nAnnex J (informative)Typical content of datasheets <\/td>\n<\/tr>\n
269<\/td>\nAnnex K (informative)Insulation test and testing matrix example <\/td>\n<\/tr>\n
271<\/td>\nAnnex L (informative)Relationship between this European Standard and the Essential Requirements of EU Directive 2016\/797\/EU aimed to be covered <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Railway applications. Rolling stock. Electronic equipment<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2021<\/td>\n276<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":386876,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[775,2641],"product_tag":[],"class_list":{"0":"post-386869","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-45-060-01","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/386869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/386876"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=386869"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=386869"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=386869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}