1、 IEC 61158-4-4 Edition 2.0 2014-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Fieldbus specifications Part 4-4: Data-link layer protocol specification Type 4 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 4-4: Spcification du p
2、rotocole de la couche liaison de donnes Elments de type 4 IEC 61158-4-4:2014-08(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any mean
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20、mmunication networks Fieldbus specifications Part 4-4: Data-link layer protocol specification Type 4 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 4-4: Spcification du protocole de la couche liaison de donnes Elments de type 4 INTERNATIONAL ELECTROTECHNICAL COM
21、MISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 25.040.40; 35.100.20; 35.110 PRICE CODE CODE PRIX ISBN 978-2-8322-1722-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained t
22、his publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61158-4-4:2014 IEC 2014 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7 1.1 General . 7 1.2 Specifications 7 1.3 Procedures 7 1.4 Applicability .
23、7 1.5 Conformance . 7 2 Normative references . 8 3 Terms, definitions, symbols and abbreviations 8 3.1 Reference model terms and definitions 8 3.2 Service convention terms and definitions . 10 3.3 Terms and definitions 11 3.4 Symbols and abbreviations 14 4 Data Link Protocol Definition 14 4.1 Overvi
24、ew of the DL-protocol 14 4.2 General structure and encoding of PhIDUs and DLPDUs, and related elements of procedure . 26 4.3 DLPDU-specific structure, encoding and elements of procedure 33 4.4 DL-service elements of procedure . 37 4.5 Route mechanism 40 4.6 Link-access system . 43 4.7 Local variable
25、s, counters and queues 44 Bibliography 46 Figure 1 Relationship of PhE, DLE and DLS-user 15 Figure 2 DLE state diagram for confirmed and unconfirmed, unacknowledged DLPDUs 17 Figure 3 DLE state diagram for confirmed acknowledged DLPDUs . 18 Figure 4 DLE state diagram for unconfirmed acknowledged DLP
26、DUs . 19 Figure 5 Full duplex DLE receive state diagram . 20 Figure 6 Full duplex DLE transmit state diagram 20 Figure 7 Link access example 23 Figure 8 Simple Type 4-route format 29 Figure 9 Extended Type 4-route format 29 Figure 10 Complex Type 4-route format . 30 Figure 11 Immediate Type 4-route
27、format 30 Figure 12 IP Type 4-route format . 31 Figure 13 Control-status format 32 Figure 14 Data-field-format 32 Figure 15 Source / destination designator 41 Figure 16 Simple Type 4-route generation . 41 Figure 17 Extended Type 4-route generation . 41 Figure 18 Complex and IP Type 4-route generatio
28、n . 42 IEC 61158-4-4:2014 IEC 2014 3 Figure 19 Simple DL-route generation 42 Figure 20 Extended DL-route generation 43 Figure 21 Complex and IP DL-route generation 43 Table 1 Summary structure of DLPDUs 33 Table 2 Structure of confirmed DLPDUs . 34 Table 3 Structure of unconfirmed DLPDUs . 35 Table
29、4 Structure of acknowledge DLPDU . 36 Table 5 Structure of immediate-reply DLPDU . 36 4 IEC 61158-4-4:2014 IEC 2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 4-4: Data-link layer protocol specification Type 4 elements FOREWORD 1) The I
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38、s including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, o
39、r reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of
40、 the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. Attention is drawn to the fact that the use of the associated protocol type is restricted by its intellectual-property-right holders. In all cas
41、es, the commitment to limited release of intellectual-property-rights made by the holders of those rights permits a layer protocol type to be used with other layer protocols of the same type, or in other type combinations explicitly authorized by its intellectual-property-right holders. NOTE Combina
42、tions of protocol types are specified in IEC 61784-1 and IEC 61784-2. International Standard IEC 61158-4-4 has been prepared by subcommittee 65C: Industrial networks, of IEC technical committee 65: Industrial-process measurement, control and automation. This second edition cancels and replaces the f
43、irst edition published in 2007. This edition constitutes an editorial revision with only minor editorial changes. IEC 61158-4-4:2014 IEC 2014 5 This edition includes the following significant changes with respect to the previous edition: a) editorial improvements; b) editorial corrections. The text
44、of this standard is based on the following documents: FDIS Report on voting 65C/762/FDIS 65C/772/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with ISO/IEC Direct
45、ives, Part 2. A list of all the parts of the IEC 61158 series, under the general title Industrial communication networks Fieldbus specifications, can be found on the IEC web site. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated
46、 on the IEC web site under http:/webstore.iec.ch in the data related to the specific publication. At this date, the publication will be: reconfirmed; withdrawn; replaced by a revised edition, or amended. 6 IEC 61158-4-4:2014 IEC 2014 INTRODUCTION This part of IEC 61158 is one of a series produced to
47、 facilitate the interconnection of automation system components. It is related to other standards in the set as defined by the “three-layer” fieldbus reference model described in IEC 61158-1. The data-link protocol provides the data-link service by making use of the services available from the physi
48、cal layer. The primary aim of this standard is to provide a set of rules for communication expressed in terms of the procedures to be carried out by peer data-link entities (DLEs) at the time of communication. These rules for communication are intended to provide a sound basis for development in ord
49、er to serve a variety of purposes: a) as a guide for implementors and designers; b) for use in the testing and procurement of equipment; c) as part of an agreement for the admittance of systems into the open systems environment; d) as a refinement to the understanding of time-critical communications within OSI. This standard is concerned, in particular, with the c
