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ISO 17458-4:2013

(Main)

Road vehicles — FlexRay communications system — Part 4: Electrical physical layer specification

Road vehicles — FlexRay communications system — Part 4: Electrical physical layer specification

ISO 17458-4:2013 specifies the electrical physical layer for FlexRay communications systems. The electrical physical layer for FlexRay is designed for time-triggered networks with data-rates up to 10 Mbit/s to connect automotive electronic control units (ECUs). The medium that is used is dual wires. Signalling on the bus is accomplished by asserting a differential voltage between those wires. Topology variations range from point-to-point connections via linear passive busses and passive stars up to active star topologies. ISO 17458-4:2013 includes the definition of electrical characteristics of the transmission itself and also documentation of basic functionality for bus driver (BD) and active star (AS) devices.

Véhicules routiers — Système de communications FlexRay — Partie 4: Spécification de la couche d'application électrique

General Information

Status
Published
Publication Date
20-Jan-2013
ICS
43.040.15 - Car informatics. On board computer systems
Technical Committee
ISO/TC 22/SC 31 - Data communication
Drafting Committee
ISO/TC 22/SC 31/WG 3 - In-vehicle networks
Current Stage
9020 - International Standard under periodical review
Start Date
15-Apr-2024
Completion Date
15-Apr-2024
Ref Project

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ISO 17458-4:2013 - Road vehicles -- FlexRay communications systemISO 17458-4:2013 - Road vehicles -- FlexRay communications system
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ISO 17458-4:2013 - Road vehicles -- FlexRay communications system
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INTERNATIONAL ISO
STANDARD 17458-4
First edition
2013-02-01

Road vehicles— FlexRay
communications system —
Part 4:
Electrical physical layer specification
Véhicules routiers — Système de communications FlexRay —
Partie 4: Spécification de la couche d'application électrique




Reference number
ISO 17458-4:2013(E)
©
ISO 2013

---------------------- Page: 1 ----------------------
ISO 17458-4:2013(E)

COPYRIGHT PROTECTED DOCUMENT


©  ISO 2013
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
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Fax + 41 22 749 09 47
E-mail copyright@iso.org
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Published in Switzerland

ii © ISO 2013 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 17458-4:2013(E)
Contents Page
Foreword . v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Abbreviated terms . 10
3.3 Symbols . 12
4 Document reference according to OSI model . 13
5 Conventions . 14
5.1 General . 14
5.2 Notational and parameter prefix conventions . 14
5.3 Important preliminary notes . 15
6 Communication channel basics . 16
6.1 Objective. 16
6.2 Propagation delay . 16
6.3 Frame TSS length change . 18
6.4 Symbol length change . 18
6.5 FES1 length change . 19
6.6 Collisions. 19
6.7 Stochastic jitter . 20
6.8 Wakeup patterns . 20
7 Principle of FlexRay networking . 22
7.1 Objective. 22
7.2 Interconnection of nodes . 22
7.3 Electrical signalling .
...

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