1、 IEC 61375-2-3 Edition 1.0 2015-07 INTERNATIONAL STANDARD Electronic railway equipment Train communication network (TCN) Part 2-3: TCN communication profile IEC 61375-2-3:2015-07(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rights reserved. Un
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11、-3: TCN communication profile INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 45.060 ISBN 978-2-8322-2775-6 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 61375-2-3:2015 IEC
12、 2015 CONTENTS FOREWORD . 13 INTRODUCTION . 15 1 Scope 16 2 Normative references . 17 3 Terms, definitions, abbreviations, acronyms, and conventions 18 3.1 Terms and definitions 18 3.2 Abbreviations and acronyms 26 3.3 Conventions 28 3.3.1 Base of numeric values 28 3.3.2 Character strings and citati
13、ons . 28 3.3.3 Naming conventions . 29 3.3.4 Diagram conventions . 29 3.3.5 Annotation of data structures . 29 4 Architecture . 30 4.1 General . 30 4.2 Physical train architecture (system breakdown) 31 4.2.1 General . 31 4.2.2 Train network architectures 31 4.2.3 Closed Trains 34 4.2.4 Directions 36
14、 4.2.5 Consist and vehicle basic properties 37 4.3 Logical Train Architecture (Functional Breakdown) 38 4.3.1 General . 38 4.3.2 Service classification . 38 4.3.3 Operational Services Overview . 39 4.3.4 Service Provider 39 5 Common ETB framework . 39 5.1 General . 39 5.1.1 Overview . 39 5.1.2 Inter
15、operability . 40 5.2 CSTINFO telegram 40 5.2.1 General . 40 5.2.2 Closed train support (Option) . 40 5.2.3 Protocol . 40 5.2.4 CSTINFO classes 40 5.2.5 CSTINFO Notification Message 41 5.2.6 CSTINFO Request . 42 5.3 Train topology database 44 5.3.1 General . 44 5.3.2 Computation of the TTDB . 46 5.3.
16、3 Data structure 50 5.3.4 Train Topology Database for multiple ETBs (Option) 59 5.4 Service Addressing . 61 5.4.1 General . 61 5.4.2 TCN Domain Name System (TCN-DNS) . 61 5.4.3 TCN Domain Names 62 IEC 61375-2-3:2015 IEC 2015 3 5.4.4 TCN-URI Scheme 63 5.4.5 Mapping TCN-URI to IP address 69 5.4.6 Supp
17、ort of other URI schemas . 73 5.5 TCN-DNS Server . 73 5.5.1 General . 73 5.5.2 Architecture . 73 5.5.3 Functional address resolution . 73 5.5.4 Protocol . 76 5.5.5 Multiple ETBs 77 5.6 Data exchange 77 5.6.1 General . 77 5.6.2 Operational network communication . 77 5.6.3 OMTS network communication .
18、 78 5.6.4 Quality of Service (QoS) . 78 5.7 Service discovery 78 5.8 Train Info Service 78 6 Services of the communication profile ETB Control Service . 78 6.1 General . 78 6.2 Communication model . 79 6.3 ECSP Supervision . 79 6.4 ECSP Interconnection . 79 6.4.1 General . 79 6.4.2 ETBCTRL telegram
19、exchange selection . 80 6.4.3 ETBCTRL telegram transmission . 80 6.4.4 Structure of the ETBCTRL telegram . 80 6.4.5 Operational train directory computation process . 83 6.5 Function “Leading” 86 6.5.1 General . 86 6.5.2 Function primitives . 86 6.5.3 ECSP to ECSP protocol . 88 6.6 Function Confirmat
20、ion/Correction 92 6.6.1 General . 92 6.6.2 Function primitives . 92 6.6.3 ECSP to ECSP protocol . 94 6.6.4 State diagram 97 6.6.5 ECSC Failure . 99 6.7 Computation of the operational train directory 99 6.7.1 General . 99 6.7.2 Action setCorrInfo . 100 6.7.3 Action computeOpTrnDir 103 6.8 Function Sl
21、eep Mode (Option) . 106 6.8.1 General . 106 6.8.2 Sleep Mode Use Case (informal) 106 6.8.3 Exclusivity 108 6.8.4 Function primitives . 108 6.8.5 ECSP to ECSP protocol . 110 Annex A (normative) Train Real-Time Data Protocol (TRDP) 114 A.1 General . 114 A.2 Lower Layers 114 4 IEC 61375-2-3:2015 IEC 20
22、15 A.2.1 Data link layer 114 A.2.2 Network Layer 114 A.2.3 Transport Layer . 115 A.3 TRDP FCS Computation 116 A.4 Interaction between TRDP user and TRDP Layer . 118 A.5 Communication Identifier (ComId) . 118 A.6 Process Data 120 A.6.1 Communication model 120 A.6.2 Roles . 120 A.6.3 Communication pat
23、tern 120 A.6.4 Addressing. 125 A.6.5 PD-PDU . 125 A.6.6 Interaction between application and TRDP protocol layer 128 A.6.7 Topography counter check . 135 A.6.8 State Machine 136 A.7 Message Data . 140 A.7.1 Communication model 140 A.7.2 Roles . 141 A.7.3 Communication pattern 141 A.7.4 Addressing. 14
24、2 A.7.5 MD-PDU 142 A.7.6 Interaction between application and TRDP layer . 145 A.7.7 Topography counter check . 150 A.7.8 MD protocol state machine . 151 A.7.9 TCP Connection Handling 160 A.8 Message data echo server (option) 161 Annex B (normative) Safe Data Transmission (SDTv2) . 162 B.1 General .
25、162 B.2 Overview of SDTv2 (informal) 162 B.3 Safety functional requirements 163 B.4 Safety measures . 163 B.5 Operational states of the SDTv2 channel . 164 B.6 Data presentation 165 B.7 SC-32 . 165 B.8 SID . 168 B.9 Vital Data Packet 169 B.10 Exclusivity . 170 B.11 Configuration time parameters. 170
26、 B.12 Safe data source (SDSRC) 170 B.12.1 General . 170 B.12.2 Safe Data Preparation (Application) . 170 B.12.3 Safe data sending 171 B.13 Safe data sink (SDSINK) . 172 B.13.1 General . 172 B.13.2 Definitions . 173 B.13.3 SDSINK States 174 B.13.4 VDP Sampling 175 B.13.5 VDP Integrity Check . 176 B.1
27、3.6 Sink time supervision . 177 IEC 61375-2-3:2015 IEC 2015 5 B.13.7 Guard time check . 177 B.13.8 Latency monitoring . 178 B.13.9 Channel monitoring 180 B.13.10 SDTv2 Application Interface . 182 B.13.11 Change of operational train composition . 182 B.14 Diagnosis and statistics . 182 B.15 Safe data
28、 transmission over MVB (informative) 183 B.15.1 General . 183 B.15.2 MVB-VDP 183 B.15.3 SDTV2 protocol deviations for MVB 184 B.16 SDTv2 with TRDP message data . 184 Annex C (informative) Train Real-Time Data Protocol Configuration (TRDP) . 185 C.1 General . 185 C.2 Device Parameters 186 C.3 Device
29、Configuration Parameters 187 C.4 Bus Interface List 187 C.4.1 General . 187 C.4.2 Bus Interface Configuration 188 C.5 Mapped Device Parameters . 199 C.5.1 General . 199 C.5.2 Mapped Bus Interface Parameters . 200 C.6 Communication Parameters (ComPar) . 202 C.6.1 General . 202 C.6.2 Default Communica
30、tion Parameters . 203 C.7 DataSet Parameters 203 C.7.1 General . 203 C.7.2 DataSet Element 205 C.7.3 Examples of DataSets 207 Annex D (informative) Access to End Device (ED) statistics 211 D.1 General . 211 D.2 Structures . 211 D.2.1 General . 211 D.2.2 tlc_getSubsStatistics 213 D.2.3 tlc_getPubStat
31、istics 213 D.2.4 tlc_getUdpListStatistics, tlc_getTcpListStatistics . 213 D.2.5 tlc_getRedStatistics . 214 D.3 ED interface for statistic data access . 214 D.3.1 General . 214 D.3.2 TRDP interface 214 Annex E (informative) Service interface 216 E.1 General . 216 E.2 Service provider 217 E.2.1 Proxie
32、s 217 E.2.2 Performance 217 E.3 ECSP interface . 217 E.3.1 General . 217 E.3.2 ECSP control telegram . 217 E.3.3 ECSP status telegram 219 E.3.4 ECSP Confirmation/Correction Request . 221 6 IEC 61375-2-3:2015 IEC 2015 E.4 TTDB manager interface . 224 E.4.1 General . 224 E.4.2 TTDB status information
33、224 E.4.3 TTDB notification . 225 E.4.4 TTDB information train directory 225 E.4.5 TTDB information static consist information . 226 E.4.6 TTDB information train network directory information . 227 E.4.7 Operational train directory information 228 E.4.8 Read TTDB 229 E.5 DNS server interface . 230 E
34、.5.1 DNS standard interface 230 E.5.2 DNS TCN interface 230 E.6 ETBN control interface . 234 E.6.1 General . 234 E.6.2 ETBN control and status data . 235 E.6.3 ETBN train network directory 238 Annex F (normative) Communication profile conformance test guideline . 240 F.1 General . 240 F.2 Scope of c
35、onformance test 240 F.3 Conformance test overview . 241 F.4 Test laboratory 241 F.4.1 General . 241 F.4.2 Tasks 241 F.5 Guideline for writing conformance test specifications . 242 F.5.1 Overview of the main components 242 F.5.2 Protocol Implementation Conformance Statement (PICS) . 242 F.5.3 Abstrac
36、t test architecture . 243 F.5.4 Protocol Implementation eXtra Information for Testing (PIXIT) 243 F.5.5 Test suite structure 243 F.6 Abstract test architecture (option) 243 F.6.1 General . 243 F.6.2 Test architecture with one ETB. 244 F.6.3 Test architecture for multiple ETB 244 F.6.4 Set-up for aut
37、omatic test 244 F.7 Test of conformity to the common ETB framework . 245 F.7.1 General . 245 F.7.2 Test of CSTINFO telegram . 245 F.7.3 Test of TTDB . 245 F.7.4 Test of service addressing and TCN-DNS server 245 F.7.5 Test of data exchange 246 F.7.6 Test of service discovery 247 F.7.7 Test of train i
38、nfo service . 247 F.8 ETB Control Service conformity test 247 F.8.1 General . 247 F.8.2 Test control interface for the test of ETB control services . 247 F.9 Echo function 255 F.9.1 General . 255 F.9.2 TRDP echo test . 255 F.9.3 Reverse-Echo test . 256 IEC 61375-2-3:2015 IEC 2015 7 F.10 Statement of
39、 conformity 257 Annex G (informative) SNMP Management Information Base (MIB) 259 G.1 General . 259 G.2 TTDB-MIB . 259 G.3 TRDP-MIB. 264 Bibliography 275 Figure 1 IEC 61375-2-3 as connecting element between train backbone and application 17 Figure 2 Train structure in accordance to IEC 61375-1 (examp
40、le) . 31 Figure 3 Train structure seen from viewpoint of the communication profile (example) 31 Figure 4 Train network (example) . 32 Figure 5 Possible couplings of operational network and multimedia network 33 Figure 6 Gateway between operational network and multimedia network (example) . 34 Figure
41、 7 Example: three coupled Consists 35 Figure 8 Example: Closed Train 35 Figure 9 Service classification 38 Figure 10 CSTINFO notification data 42 Figure 11 CSTINFOCTRL telegram 44 Figure 12 TTDB management block diagram 44 Figure 13 TTDB Content . 45 Figure 14 TTDB computation block diagram . 46 Fig
42、ure 15 Train directory computation state diagram . 47 Figure 16 TTDB class diagram (example) . 51 Figure 17 TTDB adoption (in this example shown for the first consist) . 60 Figure 18 TCN-DNS name space with division into zones . 62 Figure 19 TCN-URI Schema . 64 Figure 20 Directions, orientations and
43、 numbers in train . 65 Figure 21 TCN-URI resolving in a train . 74 Figure 22 DNS protocol (case a without, case b with TTDB interrogation) . 76 Figure 23 ETB control service model 79 Figure 24 ETBCTRL telegram exchange . 80 Figure 25 ETBCTRL telegram . 81 Figure 26 Operational train directory comput
44、ation block diagram . 84 Figure 27 ETBCTRL processing state diagram 85 Figure 28 Leading sequence diagram . 87 Figure 29 Leading vehicle function state machine block diagram . 89 Figure 30 State diagram of leading function 90 Figure 31 Confirmation sequence diagram 93 Figure 32 Confirmation/correcti
45、on function state machine block diagram . 94 Figure 33 Correction/confirmation protocol sequence chart (example) . 96 Figure 34 Unconfirm protocol sequence chart (example) . 97 Figure 35 Confirmation/correction state diagram . 98 Figure 36 Action “setCorrInfo” block diagram 100 8 IEC 61375-2-3:2015
46、IEC 2015 Figure 37 Train composition consistency check examples . 103 Figure 38 Computation of the operational train directory . 104 Figure 39 computeOpTrnDir state chart 105 Figure 40 Use case “sleep mode” state diagram . 108 Figure 41 Sleep control sequence diagram . 109 Figure 42 Sleep control fu
47、nction state machine block diagram 110 Figure 43 Sleep request protocol sequence chart (example) . 111 Figure 44 Sleep control state diagram 112 Figure A.1 Overview of the protocol stack . 114 Figure A.2 FCS Computation 116 Figure A.3 FCS Table . 117 Figure A.4 TRDP service model 118 Figure A.5 PD p
48、ush pattern (point to point) . 121 Figure A.6 PD push pattern (point to multipoint) 121 Figure A.7 PD pull pattern (point to point, sink knows source) . 122 Figure A.8 PD pull pattern (multipoint to point, sink does not know source) . 123 Figure A.9 PD pull pattern (point to multipoint, sink knows s
49、ource) 124 Figure A.10 PD pull pattern (multipoint to multipoint, sink does not know source) 125 Figure A.11 PD-PDU 126 Figure A.12 Interaction sequence chart for PD pull pattern 133 Figure A.13 Interaction sequence chart for PD push pattern 134 Figure A.14 Interaction sequence chart for redundant PD handling 135 Figure A.15 PD State diagram publisher . 136 Figure A.16 PD State diagram requester . 138 Fig
