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1、 IEC 61158-4-17 Edition 1.0 2007-12 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-17: Data-link layer protocol specification Type 17 elements IEC 61158-4-17:2007(E) Copyright International Electrotechnical Commission Provided by IHS under license with IECLic
2、ensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:49:20 MSTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of th
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10、IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:49:20 MSTNo reproduction or networking permitted without license from IHS -,-,- IEC 61158-4-17 Edition 1.0 2007-12 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-17: Data-link
11、 layer protocol specification Type 17 elements INTERNATIONAL ELECTROTECHNICAL COMMISSION V ICS 35.100.20; 25.040.40 PRICE CODE ISBN 2-8318-9440-9 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resal
12、e, 01/01/2008 21:49:20 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 61158-4-17 IEC:2007(E) CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 1.1 General.7 1.2 Specifications7 1.3 Procedures7 1.4 Applicability.7 1.5 Conformance.8 2 Normative reference.8 3 Definitions 8 3.1 T
13、erms and definitions8 3.2 Abbreviations and symbols11 3.3 Conventions 11 4 Overview of the DL-protocol .12 4.1 General.12 4.2 Characteristics of the protocol.12 4.3 Data-link layer architecture12 4.4 Services provided by the DLL14 4.5 Network sharing with other protocols.15 5 DLPDU-parameter structu
14、re and encoding15 5.1 Overview.15 5.2 DLPDU common header format .16 5.3 DLPDU body format 17 6 Local parameters and resources.21 6.1 General.21 6.2 Parameters and resources related to network structure .22 6.3 Parameters and resources to support real-time data transfer.23 6.4 Parameters and resourc
15、es to support the scheduling function .24 6.5 Parameters and resources to support the security function25 7 DL-service elements of procedure 26 7.1 Unacknowledged unitdata transfer service (UUS)26 7.2 Acknowledged unitdata transfer service (AUS) 26 7.3 Acknowledged sequence of unitdata transfer serv
16、ice (ASS) 26 7.4 Multipoint unitdata transfer service (MUS).27 7.5 Multipoint sequence of unitdata transfer service (MSS) .27 8 DL-support protocol28 8.1 Transmission scheduling .28 8.2 Redundancy29 8.3 DLPDU authentication .31 Bibliography32 Table 1 Conventions used for protocol procedure definitio
17、ns 12 Table 2 Referenced standards for the layers13 Table 3 Bit positions 16 Table 4 Common header format.17 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:49:20 MSTNo reproduc
18、tion or networking permitted without license from IHS -,-,- 61158-4-17 IEC:2007(E) 3 Table 5 DLPDU types 17 Table 6 Service subtype and PDU type of DLPDUs18 Table 7 UUS_DT_PDU.18 Table 8 AUS_DT_PDU.19 Table 9 AUS_RSP_PDU 19 Table 10 ASS_DT_PDU .20 Table 11 ASS_ENQ_PDU 20 Table 12 ASS_RSP_PDU.20 Tabl
19、e 13 MUS_DT_PDU 21 Table 14 MSS_DT_PDU 21 Table 15 Parameters and resources for the network structure22 Table 16 Ranges of parameters for the network structure 23 Table 17 Parameters and resources real-time data transfer .23 Table 18 Ranges of parameters for real-time data transfer.23 Table 19 Param
20、eters and resources for scheduling function 24 Table 20 Ranges of parameters for scheduling 25 Table 21 Parameters and resources for security function.25 Table 22 Ranges of parameters for security function25 Table 23 UUS procedure26 Table 24 AUS procedure26 Table 25 ASS procedure27 Table 26 MUS proc
21、edure .27 Table 27 MSS procedure .28 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:49:20 MSTNo reproduction or networking permitted without license from IHS -,-,- 4 61158-4-17
22、 IEC:2007(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 4-17: Data-link layer protocol specification Type 17 elements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization compri
23、sing all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standa
24、rds, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this prepar
25、atory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organiz
26、ations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of
27、 recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation
28、 by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or region
29、al publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publi
30、cation. 7) No liability shall attach to IEC or its directors, employees, servants or agents 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,
31、or for costs (including legal fees) and expenses arising out of the publication, use of, or 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 corr
32、ect application of this publication. NOTE Use of some of the associated protocol types is restricted by their intellectual-property-right holders. In all cases, the commitment to limited release of intellectual-property-rights made by the holders of those rights permits a particular data-link layer
33、protocol type to be used with physical layer and application layer protocols in Type combinations as specified explicitly in the IEC 61784 series. Use of the various protocol types in other combinations may require permission from their respective intellectual-property-right holders. IEC draws atten
34、tion to the fact that it is claimed that compliance with this standard may involve the use of patents as follows, where the xx notation indicates the holder of the patent right: Type 17 and possibly other Types: PCT Application No. PCT/JP2004/011537 YEC Communication control method PCT Application N
35、o. PCT/JP2004/011538 YEC Communication control method IEC takes no position concerning the evidence, validity and scope of these patent rights. The holders of these patent rights have assured IEC that they are willing to negotiate licences under reasonable and non-discriminatory terms and conditions
36、 with applicants throughout the world. In this respect, the statement of the holders of these patent rights are registered with IEC. Information may be obtained from: YEC: Yokogawa Electric Corporation 2-9-32 Nakacho, Musashino-shi, 180-8750 Tokyo, 180-8750 Tokyo, Japan Attention: Intellectual Prope
37、rty b) addition of new types of fieldbuses; c) division of this part into multiple parts numbered -4-1, -4-2, , -4-19. The text of this standard is based on the following documents: FDIS Report on voting 65C/474/FDIS 65C/485/RVD Full information on the voting for the approval of this standard can be
38、 found in the report on voting indicated in the above table. This publication has been drafted in accordance with ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under ht
39、tp:/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. NOTE The revision of this standard will be synchronized with the other parts of the IEC 61158 series. The list of all the par
40、ts of the IEC 61158 series, under the general title Industrial communication networks Fieldbus specifications, can be found on the IEC web site. Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale
41、, 01/01/2008 21:49:20 MSTNo reproduction or networking permitted without license from IHS -,-,- 6 61158-4-17 IEC:2007(E) INTRODUCTION This part of IEC 61158 is one of a series produced to facilitate the interconnection of automation system components. It is related to other standards in the set as d
42、efined by the “three-layer” fieldbus reference model described in IEC/TR 61158-1. The data-link protocol provides the data-link service by making use of the services available from the physical layer. The primary aim of this standard is to provide a set of rules for communication expressed in terms
43、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 order to serve a variety of purposes: a) as a guide for implementors and designers; b) for use in the testing and
44、 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 communication and interworking of sensors, ef
45、fectors and other automation devices. By using this standard together with other standards positioned within the OSI or fieldbus reference models, otherwise incompatible systems may work together in any combination. Copyright International Electrotechnical Commission Provided by IHS under license wi
46、th IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:49:20 MSTNo reproduction or networking permitted without license from IHS -,-,- 61158-4-17 IEC:2007(E) 7 INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 4-17: Data-link layer protocol specification
47、Type 17 elements 1 Scope 1.1 General The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all participating data-link entities a) in a cyclic asynchronous manner, sequentially to
48、each of those data-link entities, and b) in a synchronous manner, either cyclically or acyclically, according to a pre-established schedule. The specified protocol also provides means of changing the set of participating data-link entities and of modifying the set of scheduled communications opportunities. When the set of scheduled communications opportunities is null, the distribution of communication opportunities to the participati