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网上最清晰的iso-11898_3.pdf
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BRITISH STANDARDBS ISO 11898-3:2006Incorporating corrigendum no. 1Road vehicles — Controller area network (CAN) —Part 3: Low-speed, fault-tolerant, medium-dependent interface ICS 43.040.1512&23<,1*:,7+287%6,3(50,66,21(;&(37$63(50,77('%<&23<5,*+7/$:
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BS ISO 11898-3:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2006© BSI 2007ISBN 0 580 48694 XNational forewordThis British Standard was published by BSI. It is the UK implementation of ISO 11898-3:2006, incorporating corrigendum December 2006.The UK participation in its preparation was entrusted to Technical Committee AUE/16, Electrical and electronic equipment.A list of organizations represented on AUE/16 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. DateComments16919 Corrigendum No. 128 February 2007Replacement of figure 9
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www.bzfxw.com Reference numberISO 11898-3:2006(E) INTERNATIONAL STANDARD ISO11898-3First edition2006-06-01Road vehicles — Controller area network (CAN) — Part 3: Low-speed, fault-tolerant, medium-dependent interface Véhicules routiers — Gestionnaire de réseau de communication (CAN) — Partie 3: Interface à basse vitesse, tolérant les pannes, dépendante du support BS ISO 11898-3:2006
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www.bzfxw.comii
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www.bzfxw.com iiiContents Page Foreword............................................................................................................................................................iv Introduction........................................................................................................................................................v 1 Scope.....................................................................................................................................................1 2 Terms and definitions...........................................................................................................................1 3 Abbreviated terms................................................................................................................................3 4 OSI reference model.............................................................................................................................4 5 MDI specification..................................................................................................................................4 5.1 Physical medium...................................................................................................................................4 5.2 Physical signalling................................................................................................................................8 5.3 Electrical specification.......................................................................................................................10 5.4 Network specification.........................................................................................................................12 6 Physical medium failure definition...................................................................................................14 6.1 Physical failures..................................................................................................................................14 6.2 Failure events......................................................................................................................................15 7 PMA specification...............................................................................................................................16 7.1 General.................................................................................................................................................16 7.2 Timing requirements..........................................................................................................................16 7.3 Failure management...........................................................................................................................20 7.4 Operating modes................................................................................................................................23 BS ISO 11898-3:2006
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www.bzfxw.comiv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 11898-3 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 3, Electrical and electronic equipment. This first edition of ISO 11898-3 cancels and replaces ISO 11519-2:1994, which has been technically revised. ISO 11898 consists of the following parts, under the general title Road vehicles — Controller area network (CAN): ⎯ Part 1: Data link layer and physical signalling ⎯ Part 2: High-speed medium access unit ⎯ Part 3: Low-speed, fault-tolerant, medium-dependent interface ⎯ Part 4: Time triggered communication ⎯ Part 5: High-speed medium access unit with low-power mode BS ISO 11898-3:2006
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www.bzfxw.com vIntroduction ISO 11898, first published in November 1993, covered the controller area network (CAN) data link layer as well as the high-speed physical layer. In the reviewed and restructured ISO 11898: ⎯ ISO 11898-1 describes the data link layer protocol as well as the medium access control; ⎯ ISO 11898-2 specifies the high-speed medium access unit (MAU) as well as the medium dependent interface (MDI). ISO 11898-1:2003 and ISO 11898-2:2003 cancel and replace ISO 11898:1993. In addition to the high-speed CAN, the development of the low-speed CAN, which was originally covered by ISO 11519-2, gained new means such as fault tolerant behaviour. The subject of this part of ISO 11898 is the definition and description of requirements necessary to obtain a fault tolerant behaviour as well as the specification of fault tolerance itself. In particular, it describes the medium dependent interface and parts of the medium access control. BS ISO 11898-3:2006
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