IEC 61375-2-1-2012 Electronic railway equipment - Train communication network (TCN) - Part 2-1 Wire Train Bus (WTB)《电子铁路设备.列车通讯网络(TCN).第2-1部分 列车总线(WTB)》.pdf

1、 IEC 61375-2-1 Edition 1.0 2012-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Electronic railway equipment Train communication network (TCN) Part 2-1: Wire Train Bus (WTB) Matriel lectronique ferroviaire Rseau embarqu de train (TCN) Partie 2-1: Bus de Train Filaire (WTB) IEC 61375-2-1:2012 colour i

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16、ANDARD NORME INTERNATIONALE Electronic railway equipment Train communication network (TCN) Part 2-1: Wire Train Bus (WTB) Matriel lectronique ferroviaire Rseau embarqu de train (TCN) Partie 2-1: Bus de Train Filaire (WTB) INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNAT

17、IONALE XP ICS 45.060 PRICE CODE CODE PRIX ISBN 978-2-88912-067-3 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuill

18、ez vous assurer que vous avez obtenu cette publication via un distributeur agr.colour inside 2 61375-2-1 IEC:2012 CONTENTS FOREW ORD . 11 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 .

19、 32 3.3 Conventions 34 3.3.1 Base of numeric values 34 3.3.2 Naming conventions. 34 3.3.3 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 equip

20、ment . 40 3.4.2 Interface between consists . 40 3.4.3 Real-Time Protocols 40 3.4.4 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 Co

21、nsist orientation . 46 4.1.5 Consist specification (informal) 47 4.2 Medium 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 No

22、de connection points identification . 53 4.3.2 Direct node attachment 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 61

23、375-2-1 IEC:2012 3 4.5.1 Galvanic separation . 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 specificatio

24、ns 64 4.7 Medium-dependent signalling . 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

25、the HDLC Frame. 76 5.2.4 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 telegr

26、am . 85 5.3.6 Presence 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 Spor

27、adic phase 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_Data_

28、Interface 150 5.6.4 Link management interface 150 4 61375-2-1 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 layer Interface for Process_Data . 163 6.2

29、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 transport layer . 211 6.3.7 Multicast Transpor

30、t 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 Notation for the primitive types . 283 6.4.4 Struct

31、ured 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 PDM Functions 304 7.2 WTB Line Fault Location Detect

32、ion 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 Location Detection . 311 8 Train Network Management 313 8.1 Ge

33、neral . 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 61375-2-1 IEC:2012 5 8.3 Managed objects . 317 8.3.1 Object Attributes 317 8.3.2 Station

34、 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 8.3.10 Equipment object . 326 8.4 Services and management messages 326 8.4.1 Notation for all managem

35、ent 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 services . 376 8.4.9 Journal Service 377 8.4.10 Equipment Service . 379 8.5 Interface Procedures . 380 8.5.

36、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 Interfaces between equipment 40 Figure 5 Interfaces between consists 40 Figure 6 Train Bus and Consist network . 41 Fi

37、gure 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 Figure 11 Connected nodes in regular operation . 48 Figure 12 Double-line attachment . 49 Figure 13 Grounded shield concep

38、t 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 WTB connector, front view 55 Figure 19 Example of MAU Structure 56 6 61375-2-1 IEC:2012 Figure 20 Node with redundant Line Units

39、 . 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 fixtures . 62 Figure 25 Pulse wave form at transmitter 63 Figure 26 Signal and idling at transmitter 64 Figure 27 Receiver signal envelope 65 Figu

40、re 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 Redundant L

41、ines (as seen at a receiver) . 70 Figure 36 Line_Disturbance signals 71 Figure 37 HDLC Frame structure 73 Figure 38 Telegram timing 74 Figure 39 Example of Interframe spacing 75 Figure 40 Frame spacing measured at the master side . 76 Figure 41 Frame spacing at the slave . 76 Figure 42 HDLC Data for

42、mat 77 Figure 43 Format of HDLC Data . 77 Figure 44 Process Data telegram . 81 Figure 45 Format of Process Data Request 82 Figure 46 Format of Process Data Response 83 Figure 47 Message Data telegram 83 Figure 48 Format of Message Data Request . 83 Figure 49 Format of Message Data Response 84 Figure

43、 50 Supervisory telegram 84 Figure 51 Detection telegram 85 Figure 52 Format of Detect Request . 86 Figure 53 Format of Detect Response 86 Figure 54 Presence telegram 87 Figure 55 Format of Presence Request 87 Figure 56 Format of Presence Response 88 Figure 57 Status telegram 88 Figure 58 Format of

44、Status Request . 89 Figure 59 Format of Status Response . 90 Figure 60 Set-to-Intermediate telegram 90 Figure 61 Format of SetInt Request 90 Figure 62 Format of SetInt Response . 91 61375-2-1 IEC:2012 7 Figure 63 Naming telegram 91 Figure 64 Format of Naming Request . 92 Figure 65 Format of Naming R

45、esponse . 92 Figure 66 Unnaming telegram. 93 Figure 67 Format of Unname Request 93 Figure 68 Set to End telegram 93 Figure 69 Format of SetEnd Request 94 Figure 70 Format of SetEnd Response . 94 Figure 71 Topography telegram 95 Figure 72 Format of Topography Request . 95 Figure 73 Format of Topograp

46、hy Response 96 Figure 74 Structure of the Basic Period 97 Figure 75 Node position numbering 100 Figure 76 Format of Node Descriptor 101 Figure 77 Format of Node Report . 102 Figure 78 Format of User Report 102 Figure 79 Format of Composition Strength 103 Figure 80 Master_Report 104 Figure 81 Format

47、of Topo Counter 104 Figure 82 Format of Master Topo . 105 Figure 83 Timing Diagram of detection protocol 107 Figure 84 Major node states and application settings 108 Figure 85 Node processes (End Setting) . 109 Figure 86 AUXILIARY_PROCESS states 115 Figure 87 NAMING_RESPONSE macro 116 Figure 88 Stat

48、es of MAIN PROCESS 117 Figure 89 Macro START_NODE 120 Figure 90 Procedure REQUEST_RESPONSE . 122 Figure 91 Procedures SET_TO_INT and SET_TO_END 123 Figure 92 Macro INIT_MASTER 124 Figure 93 Macro NAMING_MASTER . 125 Figure 94 Macro ASK_END 126 Figure 95 Procedure NAME_ONE . 129 Figure 96 Macro TEACHING_MASTER . 131 Figure 97 Macro UNNAMING_MASTER 132 Figure 98 Macro REGULAR_MASTER 134 Figure 99 Macro CHECK_DESC . 135 Figure 100 Macro PERIODIC_POLL . 137 Figure 101 Macro MESSAGE_POLL . 138 Figure 102 States UNNAMED_SLAVE . 14