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prEN ISO 15118-21

(Main)

Road vehicles - Vehicle to grid communication interface - Part 21: Common 2nd generation network layer and application layer requirements conformance test plan (ISO/DIS 15118-21:2024)

Road vehicles - Vehicle to grid communication interface - Part 21: Common 2nd generation network layer and application layer requirements conformance test plan (ISO/DIS 15118-21:2024)

The document specifies all common test cases to be applied to and correctly handled by EVs (EVCC) and EVSEs (SECC) implementing ISO 15118-20 that are independent of a particular charging type (AC, DC, ACD, WPT charging). The document considers the use cases defined in ISO 15118-1:2019
The test system will comprise:
-   A simulated SECC to verify the correct behaviour of a real EVCC
-   A simulated EVCC to verify the correct behaviour of a real SECC
The document specifies test cases for all requirements defined in ISO 15118-20, verifying at least the following aspects:
-   Charge spot discovery and initialization of communication (TCP / TLS connection establishment).
-   Session establishment, session interruption and session re-establishment.
-   Authentication process for charging session (e.g. EIM and PNC)
-   Service discovery and selection
-   Common and charging type independent service implementation
-   Termination of charging session
-   Error handling
The test cases cover positive tests (according to ISO 15118-20). In addition, error scenarios (e.g., incorrectly formatted requests, invalid content of messages, etc.) as well as tests for timing behaviour are defined which are also handled by EVCC and SECC ensuring interoperability between EVs and EVSEs.
The test cases will be structured according to OSI-layers 3 to 7 depending on their testability from a (non-) functional perspective (e.g., IPv6, TCP, TLS.
The test cases will include standard test case attributes like pre-conditions, test behaviours, expected results to evaluate pass or fail and post-conditions to be applied returning the system under test to a safe state.

Straßenfahrzeuge - Kommunikationsschnittstelle zwischen Fahrzeug und Ladestation - Teil 21: Allgemeiner Konformitätsprüfplan für 2. Generation Anforderungen an das Netzwerk- und Anwendungsprotokoll (ISO/DIS 15118-21:2024)

Véhicules routiers - Interface de communication entre véhicule et réseau électrique - Partie 21: Plan de test de conformité aux exigences communes de la couche réseau et de la couche application de 2ème génération (ISO/DIS 15118-21:2024)

Cestna vozila - Komunikacijski vmesnik med vozilom in omrežjem - 21. del: Načrt preskusa skladnosti z zahtevami za skupno omrežno in aplikacijsko plast druge generacije (ISO/DIS 15118-21:2024)

General Information

Status
Not Published
Publication Date
20-Oct-2025
ICS
43.120 - Electric road vehicles
Technical Committee
CEN/TC 301 - Electrically propelled road vehicles
Current Stage
4060 - Closure of enquiry - Enquiry
Start Date
17-Jun-2024
Completion Date
17-Jun-2024
Ref Project
oSIST prEN ISO 15118-21:2024 - Road vehicles - Vehicle to grid communication interface - Part 21: Common 2nd generation network layer and application layer requirements conformance test plan (ISO/DIS 15118-21:2024)

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SLOVENSKI STANDARD
01-junij-2024
Cestna vozila - Komunikacijski vmesnik med vozilom in omrežjem - 21. del: Načrt
preskusa skladnosti z zahtevami za skupno omrežno in aplikacijsko plast druge
generacije (ISO/DIS 15118-21:2024)
Road vehicles - Vehicle to grid communication interface - Part 21: Common 2nd
generation network layer and application layer requirements conformance test plan
(ISO/DIS 15118-21:2024)
Véhicules routiers - Interface de communication entre véhicule et réseau électrique -
Partie 21: Plan de test de conformité aux exigences communes de la couche réseau et
de la couche application de 2ème génération (ISO/DIS 15118-21:2024)
Ta slovenski standard je istoveten z: prEN ISO 15118-21
ICS:
35.100.05 Večslojne uporabniške Multilayer applications
rešitve
43.040.15 Avtomobilska informatika. Car informatics. On board
Vgrajeni računalniški sistemi computer systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
International
Standard
ISO/DIS 15118-21
ISO/TC 22/SC 31
Road vehicles — Vehicle to grid
Secretariat: DIN
communication interface —
Voting begins on:
Part 21: 2024-03-25
Common 2nd generation network
Voting terminates on:
2024-06-17
layer and application layer
requirements conformance test plan
Véhicules routiers — Interface de communication entre véhicule
et réseau électrique —
Partie 21: Plan de test de conformité aux exigences communes de
la couche réseau et de la couche application de 2ème génération
ICS: 43.120
IMPORTANT — Please use this updated version dated 2024-03-21,
THIS DOCUMENT IS A DRAFT CIRCULATED
and discard any previous version of this DIS
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 15118-21:2024(en)
ISO/DIS 15118-21:2024(en)
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO/DIS 15118-21:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
4 Abbreviated terms . 6
5 Conventions . 8
5.1 Requirement structure .8
5.2 Test system description . .8
6 Test architecture reference model . 8
6.1 General information.8
6.2 Platform adapter interface .9
6.3 SUT adapter interfaces .9
6.3.1 Requirements of IEC 61851-1 SUT adapter for SECC or EVCC testing .10
6.3.2 Requirements of IEC 61851-1 SUT adapter for SECC testing .11
6.3.3 Requirements of IEC 61851-1 SUT adapter for EVCC testing .11
6.3.4 Requirements of IEC 61851-1 PTC for SECC or EVCC testing .11
6.3.5 Requirements of IEC 61851-1 PTC for SECC testing .11
6.4 Codecs . . 12
6.5 Test system timer handling . 13
6.5.1 Definition of test system timers & timeouts . 13
6.5.2 Test system timer scenarios for SUT SECC . 13
6.5.3 Test system timer scenarios for SUT EVCC . 15
7 Test suite conventions.18
7.1 General information.18
7.2 Test suite structure (TSS) .18
7.3 Test profiles . 20
7.3.1 General information . 20
7.3.2 Test configurations . 20
7.3.3 Components and ports . 20
7.3.4 Protocol implementation conformance statement (PICS) definition . 22
7.3.5 Protocol implementation extra information for testing (PIXIT) definition .24
7.3.6 Test control . 25
7.3.7 Test system template messages . 26
7.4 Test suite identifiers . 26
7.4.1 Test case identifiers . 26
7.4.2 PICS/PIXIT identifiers . 26
7.4.3 Verdict types .27
7.5 Test case specification .27
8 Test case specification for common ISO 15118-20 requirements .28
8.1 General information. 28
8.2 Test cases for SUT SECC . 29
8.2.1 SECC SDP test case specifications . 29
8.2.2 SECC V2GTP test case specifications . 30
8.2.3 SECC common message flow test case specifications .43
8.2.4 SECC common message error test case specifications . 93
8.2.5 SECC common message timeout test case specifications . 123
8.3 Test cases for SUT EVCC .128
8.3.1 EVCC SDP test case specifications .128
8.3.2 EVCC V2GTP test case specifications . 129
8.3.3 EVCC common message flow test case specifications . 140
8.3.4 EVCC common message timeout test case specifications .158

iii
ISO/DIS 15118-21:2024(en)
8.3.5 EVCC message warning test case specifications . 165
Annex A (informative) Test suite coverage .173
Annex B (informative) Test system template messages for SUT type EVCC .206
Annex C (informative) Test system template messages for SUT type SECC .216
Annex D (informative) TS functions for dynamic data elements in template messages .225
Bibliography .229

iv
ISO/DIS 15118-21:2024(en)
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are
members of ISO or IEC participate in the development of International Standards through technical
committees established by the respective organization to deal with particular fields of technical activity.
ISO and IEC technical committees collaborate in fields of mutual interest. Other international o
...

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