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BSI PD IEC/TR 61375-2-7:2014

$167.15

Electronic railway equipment. Train communication network (TCN) – Wireless Train Backbone (WLTB)

Published By Publication Date Number of Pages
BSI 2014 36
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This part of IEC 61375 describes the protocols stack of a radio based Wireless Train Backbone which is used in distributed power freight trains. This part provides information on the physical layer, the data link layer, the application layer and distributed power application.

The automatic inauguration of the radio based Wireless Train Backbone is not considered in this technical report.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
6 FOREWORD
8 INTRODUCTION
9 1 Scope
2 Terms, definitions and abbreviations
2.1 Terms and definitions
11 2.2 Abbreviations
12 3 Architecture
3.1 Framework of the train communication backbones
Figures
Figure 1 – Framework of the Train Communication Backbones
13 3.2 Distributed power train compositions
3.3 Communication protocols of the WLTB nodes
Figure 2 – WLTB in a distributed power train composed of 3 traction vehicles
Figure 3 – OSI-ISO model and structure of WLTB communication protocols
14 4 Physical layer
4.1 General
4.2 Transmission power
4.3 Frequency
4.4 Modulation
4.5 Antenna and feeder
Tables
Table 1 – Channels and frequencies of the radio
15 5 Data link layer
6 Application layer
6.1 Communication schedule
6.1.1 General
Table 2 – Specifications of the antenna and feeder
16 6.1.2 Flow chart of sending command by the WNL
Figure 4 – Example of communication in a train composed of 4 traction vehicles
17 6.1.3 Flow chart of receiving command data and status data by the WNGs
Figure 5 – Flow chart of sending command data by the WNL
18 6.1.4 Addressing
6.2 PDU
Figure 6 – Flow chart of the GTV
Table 3 – Segments of the address for the WLTB node
19 6.3 Network security
7 WLTB inauguration
7.1 General
Figure 7 – Structure of PDU
Table 4 – PDU for the inauguration
20 7.2 Parameters
7.3 Procedure
21 7.4 User Dataset
7.4.1 InaugInfoCheckRequest1
Figure 8 – Procedure of inauguration
22 Table 5 – InaugInfoCheckRequest1 user dataset
23 7.4.2 InaugInfoCheckRequest2
Table 6 – InaugInfoCheckRequest2 user dataset
24 7.4.3 InaugInfoCheckResponse
7.4.4 InaugTestRequest
Table 7 – InaugInfoCheckResponse user dataset
Table 8 – InaugTestRequest user dataset
25 7.4.5 InaugtestResponse
7.4.6 InaugCompletionRequest
7.4.7 InaugCompletionResponse
Table 9 – InaugTestResponse user dataset
Table 10 – InaugCompletionRequest user dataset
Table 11 – InaugCompletionResponse user dataset
26 8 Process data communication
8.1 General
8.2 LTV process dataset
8.3 GTV process dataset
9 Distributed power operation application
9.1 Operating conditions
Table 12 – LTV process dataset
Table 13 – GTV process dataset
27 9.2 Function model
9.2.1 Remote control process
9.3 Function definition
9.3.1 General
9.3.2 Train composition
Figure 9 – Logic diagram of the remote control process
Figure 10 – Train composition cases
28 9.3.3 Operation direction
9.3.4 Primary energy
9.3.5 Main switch
29 9.3.6 Air and pneumatics
9.3.7 Traction and dynamic brake
30 9.3.8 Emergency brake
9.3.9 Equipment protection
9.3.10 Handling of communication loss
9.3.11 Data verification
31 Annex A (informative)Nation code specification
Table A.1 – Nation identification code
33 Bibliography
BSI PD IEC/TR 61375-2-7:2014
$167.15