ISO INTERNATIONAL STANDARD 15118-3 First edition 2015-05-15 Road vehicles - Vehicle to grid communication interface - Part 3: Physical and data link layer requirements Vehicules routiers - Interface de communication entre véhicule et réseau électrique- Partie 3: Exigences relatives a la couche physique et a la couche liaison de données Reference number IS0 15118-3:2015(E) ISO @IS02015 IS0 15118-3:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. IsOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii @ IS0 2015 - All rights reserved IS0 15118-3:2015(E) Contents Page Foreword ..V Introduction. ...vi 1 Scope. 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms ..4 5 Conventions ..5 5.1 Definition of OsI based services .5 5.2 Requirement structure. .5 5.3 Normative references convention ..5 6 System architecture. .6 6.1 Communication layers overview. 6.2 Definition of high-ievel communication and basic signalling .7 6.2.1 Basic signalling. 6.2.2 High-level communication. .7 6.3 Identification requirements.... ..8 6.4 System requirements ..8 6.4.1 Overview. ..8 6.4.2 EVSE. ..8 6.4.3 EV .9 6.5 Configuration of a low-layer communication module .10 7 Connection coordination .10 7.1 General. .10 7.2 Overview. .10 7.3 Plug-in phase ..17 7.3.1 EVSE side 7.3.2 EV side ..17 7.4 Initialization phase. .17 7.5 Loss of communication .18 7.5.1 EVSE side. ..18 7.5.2 EV side ..18 7.6 Sleep mode and wake-up. .19 7.6.1 Entering the sleep mode ..19 7.6.2 Wake-up. .19 7.6.3 During a charge pause 20 7.7 Plug-out phase. .20 8 Timings and constants. ..21 9 Matching EV - EVSE process .22 9.1 Overview.. 22 9.2 Initialization of matching process 24 9.3 Discovery of the connected low-layer communication module 24 9.4 Validation of matching decision .25 9.5 Set-up a logical network .27 9.6 Leave the logical network .27 9.7 Error handling. ..27 10 EMC requirements .27 11 Signal coupling .27 12 Layer 2 interfaces. .28 12.1 Overview ..28 @ IS0 2015 - All rights reserved iii