1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationElectronic railway equipment Train communication network (TCN)Part 2-1: Wire Train Bus (WTB)BS EN 61375-2-1:2012National forewordThis British Standard is the UK implementation of
2、 EN 61375-2-1:2012. It is identical to IEC 61375-2-1:2012.The UK participation in its preparation was entrusted by Technical Committee GEL/9, Railway Electrotechnical Applications, to Panel GEL/9/-/4, Railway applications - Train communication network and multimedia systems.A list of organizations r
3、epresented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012 ISBN 978
4、0 580 68227 8 ICS 45.060Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STAN
5、DARDBS EN 61375-2-1:2012EUROPEAN STANDARD EN 61375-2-1 NORME EUROPENNE EUROPISCHE NORM August 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B -
6、 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61375-2-1:2012 E ICS 45.060 English version Electronic railway equipment - Train communication network (TCN) - Part 2-1: Wire Train Bus (WTB) (IEC 61375-2-1:2012)
7、 Matriel lectronique ferroviaire - Rseau embarqu de train (TCN) - Partie 2-1: Bus de Train Filaire (WTB) (CEI 61375-2-1:2012) Elektronische Betriebsmittel fr Bahnen - Zug-Kommunikations-Netzwerk - Teil 2-1: WTB - Wire Train Bus Konformittsprfung (IEC 61375-2-1:2012) This European Standard was approv
8、ed by CENELEC on 2012-07-26. 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. Up-to-date lists and bibliographical references concerning such nation
9、al standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists 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
10、 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,
11、 France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61375-2-1:2012EN 61375-2-1:2012 Foreword The text of document 9/1
12、642/FDIS, future edition 1 of IEC 61375-2-1, prepared by IEC/TC 9 “Electrical equipment and systems for railways“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61375-2-1:2012. The following dates are fixed: latest date by which the document has to be implemented at nat
13、ional level by publication of an identical national standard or by endorsement (dop) 2013-04-26 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2015-07-26 Attention is drawn to the possibility that some of the elements of this document may be the
14、subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Dir
15、ective(s). For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this document. Endorsement notice The text of the International Standard IEC 61375-2-1:2012 was approved by CENELEC as a European Standard without any modification. In the official version, fo
16、r Bibliography, the following note has to be added for the standard indicated: IEC 60870-5-1 NOTE Harmonized as EN 60870-5-1. BS EN 61375-2-1:2012EN 61375-2-1:2012 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following doc
17、uments, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an internation
18、al publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60571 - Electronic equipment used on rail vehicles - - IEC 60807 Series Rectangular connectors for frequencies below 3 MHz - - IEC 61375-1 - Electronic rail
19、way equipment - Train communication network - Part 1: TCN - Train Communication Network general architecture EN 61375-1 - IEC 61375-2-2 2012 Electronic railway equipment - Train communication network (TCN) - Part 2-2: Wire Train Bus conformance testing EN 61375-2-2 2012 IEC 61375-3-1 - Electronic ra
20、ilway equipment - Train communication network (TCN) - Part 3-1: Multifunction Vehicle Bus (MVB) EN 61375-3-1 - ISO/IEC 8802-2 - Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 2: Logical link c
21、ontrol - - ISO/IEC 8824 Series Information technology - Abstract Syntax Notation One (ASN.1) - - ISO/IEC 8825 Series Information technology - ASN.1 encoding rules - - ISO/IEC 8859-1 - Information technology - 8-bit single-byte coded graphic character sets - Part 1: Latin alphabet No.1 - - ISO/IEC 96
22、46 Series Information technology - Open Systems Interconnection - Conformance testing methodology and framework - - ISO/IEC 10646 - Information technology - Universal multiple-octet coded character set (UCS) - - ISO/IEC 13239 - Information technology - Telecommunications and information exchange bet
23、ween systems - High-level data link control (HDLC) procedures - - ITU-T Recommendation V.24 - List of definitions for interchange circuits between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) - - ITU-T Recommendation Z.100 - Specification and Description Language (SDL)-
24、 - BS EN 61375-2-1:2012EN 61375-2-1:2012 Publication Year Title EN/HD Year IEEE 754 - Binary floating-point arithmetic - - UIC CODE 556 - Information transmission in the train (train-bus) - - UIC CODE 557 - Diagnostics on passenger rolling stock - - BS EN 61375-2-1:2012EN 61375-2-1:2012 Annex ZZ (in
25、formative) Coverage of Essential Requirements of EU Directives This European Standard has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association and within its scope the standard covers all relevant essential requirements as given in Annex I
26、II of the EU Directive 2008/57/EC. Compliance with this standard provides one means of conformity with the specified essential requirements of the Directive concerned. WARNING: Other requirements and other EU Directives may be applicable to the products falling within the scope of this standard. BS
27、EN 61375-2-1:201261375-2-1 IEC:2012 CONTENTS INTRODUCTION . 13 1 Scope 15 2 Normative references. . 15 3 Terms and definitions, abbreviations, conventions 16 3.1 Terms and definitions . 16 3.2 Abbreviations 32 3.3 Conventions . 34 3.3.1 Base of numeric values . 34 3.3.2 Naming conventions. 34 3.3.3
28、Time naming conventions . 34 3.3.4 Procedural interface conventions . . 35 3.3.5 Specification of transmitted data . 37 3.3.6 State diagram conventions . 39 3.4 General considerations . 40 3.4.1 Interface between equipment . 40 3.4.2 Interface between consists . 40 3.4.3 Real-Time Protocols 40 3.4.4
29、 Network Management . 41 3.4.5 Configurations 41 3.4.6 Structure of a standard device . 42 3.5 Conformance test 45 4 Physical layer . . 46 4.1 Topology . . 46 4.1.1 Bus sections . 46 4.1.2 Couplers 46 4.1.3 Nodes . . 46 4.1.4 Consist orientation . 46 4.1.5 Consist specification (informal) 47 4.2 Med
30、ium specifications 48 4.2.1 Topology 48 4.2.2 Duplicated medium (option) . 48 4.2.3 Bus Configuration rules . 49 4.2.4 Cable specification . 50 4.2.5 Shielding concept . . 51 4.2.6 Terminator . 52 4.3 Medium attachment . . 53 4.3.1 Node connection points identification . 53 4.3.2 Direct node attachm
31、ent . 53 4.3.3 Indirect node attachment . 54 4.3.4 Connector (optional) 54 4.4 Node specifications . . 55 4.4.1 Node elements 55 4.4.2 Node and switch settings 57 4.4.3 Duplicated Line Units (option) 57 4.5 Line Unit specifications . 58 BS EN 61375-2-1:201261375-2-1 IEC:2012 4.5.1 Galvanic separatio
32、n . 58 4.5.2 Insertion losses of a Line Unit 58 4.5.3 Switches specifications . 59 4.5.4 Shield connection to a Line Unit . . 59 4.5.5 Fritting (option) . 60 4.6 Transceiver specifications. . 61 4.6.1 Conventions . . 61 4.6.2 Transmitter . 61 4.6.3 Receiver specifications . 64 4.7 Medium-dependent s
33、ignalling . 66 4.7.1 Frame encoding and decoding . 66 4.7.2 Duplicated line handling (option) . 69 4.7.3 Line Unit interface . . 71 5 Link Layer Control 72 5.1 Addressing . 72 5.2 Frames and telegrams 73 5.2.1 Frame_Data format 73 5.2.2 Telegram timing . 74 5.2.3 Elements of the HDLC Frame. 76 5.2.4
34、 Link Control Field . 77 5.2.5 Handling of Attention, Change and Inhibit . 80 5.2.6 Size, FCS and protocol errors 80 5.3 Telegram formats and protocols 80 5.3.1 Link Data field . 80 5.3.2 Process Data . . 81 5.3.3 Message Data . 83 5.3.4 Supervisory Data . 84 5.3.5 Detection telegram . 85 5.3.6 Pres
35、ence telegram . 87 5.3.7 Status telegram . 88 5.3.8 Set to Intermediate telegram . . 90 5.3.9 Naming telegram . 91 5.3.10 Unname telegram . . 93 5.3.11 Set to End telegram . 93 5.3.12 Topography telegram . 95 5.4 Medium allocation 97 5.4.1 Organisation . 97 5.4.2 Periodic Phase . 98 5.4.3 Sporadic p
36、hase . 99 5.5 Inauguration . 99 5.5.1 General . 99 5.5.2 Descriptors . 101 5.5.3 Detection of other compositions (informal) . . 105 5.5.4 State diagrams of the inauguration 108 5.6 Link layer interface . 148 5.6.1 Link layer layering 148 5.6.2 Link Process_Data_Interface . 149 5.6.3 Link Message_Dat
37、a_Interface 150 5.6.4 Link management interface . . 150 BS EN 61375-2-1:201261375-2-1 IEC:2012 6 Real-Time protocols . . 161 6.1 General . . 161 6.1.1 Contents of this clause . . 161 6.1.2 Structure of this clause . 162 6.2 Variables Services and Protocols . . 163 6.2.1 General . 163 6.2.2 Link laye
38、r Interface for Process_Data . 163 6.2.3 Application interface for Process_Variables . 169 6.3 Messages Services and Protocols . . 184 6.3.1 General . 184 6.3.2 Reference station. 184 6.3.3 Message packets handling . 187 6.3.4 Message Link layer 189 6.3.5 Message Network Layer 199 6.3.6 Message tran
39、sport layer 211 6.3.7 Multicast Transport Protocol (option) . . 242 6.3.8 Message session layer 258 6.3.9 Message Presentation Layer 260 6.3.10 Message Application layer . . 260 6.4 Presentation and encoding of transmitted and stored data 281 6.4.1 Purpose . 281 6.4.2 Data ordering 282 6.4.3 Notatio
40、n for the primitive types . . 283 6.4.4 Structured types. 290 6.4.5 Alignment . 299 6.4.6 Notation for special types 299 7 Application Layer . 301 7.1 Process Data Marshalling 301 7.1.1 Marshalling Types 301 7.1.2 Marshalling Modes . 301 7.1.3 Data Paths in PDM 302 7.1.4 PDM Operation . . 303 7.1.5
41、PDM Functions . . 304 7.2 WTB Line Fault Location Detection 306 7.2.1 Architecture . . 307 7.2.2 Protocol Overview 308 7.2.3 LFLD Sequence . 309 7.2.4 End Node State Machine (Testing Node) 311 7.2.5 Intermediate Node State Machine (Segmenting Node) . 311 7.2.6 Disturbed Line selection 311 7.2.7 Loca
42、tion Detection . 311 8 Train Network Management . 313 8.1 General . . 313 8.1.1 Contents of this clause . . 313 8.1.2 Structure of this clause . 314 8.2 Manager, Agents and interfaces 314 8.2.1 Manager and Agent 314 8.2.2 Management messages protocol . 314 8.2.3 Interfaces . 315 BS EN 61375-2-1:2012
43、61375-2-1 IEC:2012 8.3 Managed objects . 317 8.3.1 Object Attributes . . 317 8.3.2 Station objects 317 8.3.3 WTB link objects 320 8.3.4 Variable objects . 321 8.3.5 Messenger objects . 323 8.3.6 Domain objects . . 324 8.3.7 Task objects . 324 8.3.8 Clock object . . 325 8.3.9 Journal object . 325 8.3
44、.10 Equipment object . 326 8.4 Services and management messages 326 8.4.1 Notation for all management messages 326 8.4.2 Station services . 331 8.4.3 WTB link services 338 8.4.4 Variables services 350 8.4.5 Messages services 360 8.4.6 Domain services . . 369 8.4.7 Task services . 374 8.4.8 Clock ser
45、vices 376 8.4.9 Journal Service . . 377 8.4.10 Equipment Service . 379 8.5 Interface Procedures 380 8.5.1 Manager interface (MGI) . 380 8.5.2 Agent interface . . 381 Bibliography . . 384 Figure 1 Wire Train Bus . 13 Figure 2 Layering of the TCN . 14 Figure 3 State transition example . 39 Figure 4 In
46、terfaces between equipment . 40 Figure 5 Interfaces between consists 40 Figure 6 Train Bus and Consist network 41 Figure 7 TCN configurations . . 42 Figure 8 TCN WTB device configuration options . 43 Figure 9 Train Composition (two Intermediate Nodes shown) . 46 Figure 10 Vehicle measurement . 47 Fi
47、gure 11 Connected nodes in regular operation . 48 Figure 12 Double-line attachment . 49 Figure 13 Grounded shield concept 52 Figure 14 Floating shield concept . 52 Figure 15 Terminator . 53 Figure 16 Direct node attachment (optional double-line) . . 53 Figure 17 Indirect attachment . . 54 Figure 18
48、WTB connector, front view 55 Figure 19 Example of MAU Structure 56 BS EN 61375-2-1:201261375-2-1 IEC:2012 Figure 20 Node with redundant Line Units 58 Figure 21 Attenuation measurement . 59 Figure 22 Shield grounding in the Line Unit 60 Figure 23 Fritting source and load . . 60 Figure 24 Transmitter
49、fixtures . . 62 Figure 25 Pulse wave form at transmitter . 63 Figure 26 Signal and idling at transmitter . 64 Figure 27 Receiver signal envelope 65 Figure 28 Receiver edge distortion . 66 Figure 29 Idealised frame on the line (16 bit Preamble shown) . 67 Figure 30 Bit encoding. . 67 Figure 31 Preamble . 67 Figure 32 End Delimiter . . 68 Figure 33 Valid frame, RxS, CS and SQE signals . . 69 Figure 34 Garbled frame, RxS, CS, SQE signals . 69 Figure 35 Redundan
