Railway applications - Energy measurement on board trains - Part 4: Communication

IEC 62888-4:2018 applies to the on board and on board to ground communication services, i.e. it covers the data communication using digital interfaces:
a) between functions implemented within the EMS;
b) between EMS function and other on board subsystems;
c) between EMS and ground communication services.

Applications ferroviaires - Mesure d'énergie à bord des trains - Partie 4: Communications

L'IEC 62888-4:2018 est applicable aux services de communication embarqués et bord-sol, c'est-à-dire qu'elle concerne la communication de données à l'aide d'interfaces numériques:
a) entre les fonctions mises en œuvre dans l’EMS;
b) entre la fonction EMS et les autres sous-systèmes embarqués;
c) entre l'EMS et les services de communication au sol.

General Information

Status
Published
Publication Date
24-Jan-2018
Current Stage
PPUB - Publication issued
Start Date
29-Dec-2017
Completion Date
25-Jan-2018
Ref Project

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IEC 62888-4 ®
Edition 1.0 2018-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Railway applications – Energy measurement on board trains –
Part 4: Communication
Applications ferroviaires – Mesure d'énergie à bord des trains –
Partie 4: Communications
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IEC 62888-4 ®
Edition 1.0 2018-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Railway applications – Energy measurement on board trains –

Part 4: Communication
Applications ferroviaires – Mesure d'énergie à bord des trains –

Partie 4: Communications
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 45.060.01 ISBN 978-2-8322-5097-6

– 2 – IEC 62888-4:2018 © IEC 2018
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 10
2 Normative references . 10
3 Terms, definitions and abbreviated terms . 11
3.1 Terms and definitions . 11
3.2 Abbreviated terms . 16
4 General . 17
4.1 Overview. 17
4.2 On board communication subsystem . 17
4.2.1 General . 17
4.2.2 Communication protocols stack . 20
4.2.3 Communication security . 21
4.2.4 VMF/CMF to ECF Interface (VEI) . 22
4.2.5 EMF to DHS interface (EMDI) . 22
4.2.6 Maintenance/testing interfaces (DSI and ESI) . 22
4.2.7 DHS to location function . 23
4.2.8 DHS to UTC source . 23
4.2.9 DHS to Consist Network digital interface (CNI) . 24
4.3 On board to ground communication subsystem . 24
4.4 Access security . 25
5 Conformance test . 25
5.1 General . 25
5.1.1 Overview . 25
5.1.2 Applicability . 26
5.1.3 Methodology . 26
5.2 PICS and PIXIT . 26
5.2.1 General . 26
5.2.2 PICS . 26
5.2.3 PIXIT . 26
5.3 Design review . 27
5.4 Type test procedure . 27
5.4.1 General . 27
5.4.2 Testing the communication . 27
5.4.3 Testing the on board interfaces . 27
5.4.4 Testing the on board to ground interface . 29
Annex A (normative) On board to ground communication preferred solution. 31
A.1 Communication services . 31
A.1.1 General . 31
A.1.2 Communication general architecture . 31
A.1.3 General requirements . 32
A.1.4 Communication services specification . 34
A.1.5 Application services specification . 34
A.2 EMS data transfer . 35
A.2.1 CEMD transmission record format . 35
A.2.2 CRC calculation and verification . 38

A.2.3 CEMD file structure . 39
A.2.4 Transferred data file XML schema . 40
A.3 Access security . 40
Annex B (informative) VEI–VMF/CMF to ECF interface implementation example. 41
B.1 General . 41
B.2 Payload format . 41
B.3 Encryption . 42
Annex C (informative) PICS structure and instruction . 43
C.1 Structure . 43
C.2 Instructions for completing the PICS pro-forma . 43
C.2.1 PICS table structure . 43
C.2.2 Abbreviations used in PICS . 43
C.2.3 Ref. column . 44
C.2.4 Subclause column . 44
C.2.5 Capability column . 44
C.2.6 Requirement column . 44
C.2.7 Implementation column . 44
C.2.8 Parameter values column . 45
C.3 PICS pro-forma examples . 45
C.3.1 Identification of PICS . 45
C.3.2 Identification of the implementation under assessment . 45
C.3.3 Identification of the IUA supplier . 46
C.3.4 Identification of the standards .
...

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