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1、 IEC 61158-4-18 Edition 1.0 2007-12 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-18: Data-link layer protocol specification Type 18 elements IEC 61158-4-18:2007(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 21:54:07 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 21:54:07 MSTNo reproduction or networking permitted without license from IHS -,-,- IEC 61158-4-18 Edition 1.0 2007-12 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-18: Data-link
11、 layer protocol specification Type 18 elements INTERNATIONAL ELECTROTECHNICAL COMMISSION W ICS 35.100.20; 25.040.40 PRICE CODE ISBN 2-8318-9442-5 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 21:54:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 61158-4-18 IEC:2007(E) CONTENTS FOREWORD.5 INTRODUCTION.7 1 Scope.8 1.1 General.8 1.2 Specifications8 1.3 Procedures8 1.4 Applicability.9 1.5 Conformance.9 2 Normative references .9 3 Terms, definition
13、s, symbols, abbreviations and conventions .9 3.1 Reference model terms and definitions9 3.2 Type 18: Symbols10 3.3 Type 18: Additional conventions11 4 DL-protocol overview11 4.1 Introduction .11 4.2 Polled DLE classes .11 4.3 Packed DLE classes11 5 DLPDU encoding and transmission.11 5.1 DL PhL inter
14、face 11 5.2 DLPDU transmission encoding 12 6 DLPDU basic structure 15 6.1 Overview.15 6.2 Address field .15 6.3 Status field16 6.4 Data field.18 7 DLPDU Detailed structure, segmenting and reassembly 20 8 Data transmission methods 24 8.1 Overview.24 8.2 Master-polled method24 8.3 Level A slave-polled
15、 method25 8.4 Level B slave-polled method26 8.5 Level C slave-polled method .26 8.6 Master-packed method27 8.7 Slave-packed method28 9 DL-management procedures29 9.1 Overview.29 9.2 Establish master-polled DLE procedure.29 9.3 Establish slave-polled DLE procedure .30 9.4 Establish master-packed DLE
16、procedure .32 9.5 Establish slave-packed DLE procedure .33 9.6 Release connection procedure 34 9.7 Suspend connection procedure .34 9.8 Resume connection procedure 34 9.9 Activate standby Master procedure35 Bibliography36 Copyright International Electrotechnical Commission Provided by IHS under lice
17、nse with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:54:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 61158-4-18 IEC:2007(E) 3 Figure 1 HDLC flag 12 Table 1 HDLC convention summary .13 Table 2 HDLC exception summary.14 Table 3 Ma
18、ster-polled DLE address octet 015 Table 4 Slave-polled DLE address octet 015 Table 5 Master-packed DLE address octet 016 Table 6 Master-polled DLE status octet 0.16 Table 7 Master-polled DLE status octet 1.17 Table 8 Slave-polled DLE status octet 0.17 Table 9 slave-polled DLE status octet 1 .18 Tabl
19、e 10 Slave-packed DLE status 18 Table 11 DLPDU Master-polled DLE acyclic data field 19 Table 12 DLPDU Slave-polled DLE acyclic data field 20 Table 13 Example master-polled DLE RY contiguous data field .21 Table 14 Example slave-polled DLE RX contiguous data field21 Table 15 Example master-polled DLE
20、 RWw contiguous data field 21 Table 16 Example slave-polled DLE RWr contiguous data field21 Table 17 Bit-oriented segment header .22 Table 18 Polled DLE acyclic segment number field 23 Table 19 Slave-polled DLE acyclic data type and sequence field .23 Table 20 DLPDU Polled class poll with data24 Tab
21、le 21 Slave-polled DLE response timeout.24 Table 22 DLPDU Poll25 Table 23 DLPDU End of cycle.25 Table 24 slave-polled DLE request timeout 25 Table 25 DLPDU Level A poll response.26 Table 26 DLPDU Level B poll response.26 Table 27 DLPDU Level C poll response 27 Table 28 DLPDU Packed class poll with d
22、ata27 Table 29 Slave-packed DLE response timeout .27 Table 30 Slave-packed DLE request timeout28 Table 31 DLPDU Packed class poll response28 Table 32 Slave-packed DLE time constraints .29 Table 33 DLPDU Poll with test data 29 Table 34 Slave-polled DLE response timeout.30 Table 35 DLPDU Poll test .30
23、 Table 36 Slave-polled DLE request timeout .30 Table 37 DLPDU Poll test response 31 Table 38 Slave-polled DLE configuration parameter.31 Table 39 DLPDU Baud rate synchronization32 Table 40 DLPDU Poll test .32 Table 41 Slave-packed DLE response timeout .32 Copyright International Electrotechnical Com
24、mission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:54:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 4 61158-4-18 IEC:2007(E) Table 42 Slave-packed DLE number of occupied DLE station slots 33 Ta
25、ble 43 Slave-packed DLE baud rate synchronization timeout .33 Table 44 Slave-packed DLE Master timeout.34 Table 45 DLPDU Packed poll test response34 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Re
26、sale, 01/01/2008 21:54:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 61158-4-18 IEC:2007(E) 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 4-18: Data-link layer protocol specification Type 18 elements FOREWO
27、RD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the elect
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36、normative references cited in this publication. Use of the referenced publications is indispensable for the correct 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 r
37、elease of intellectual-property-rights made by the holders of those rights permits a particular data-link layer 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 othe
38、r combinations may require permission from their respective intellectual-property-right holders. IEC draws attention 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 18 an
39、d possibly other Types: 3343036/Japan MEC “Network System for a Programmable Controller” 5896509/USA MEC “Network System for a Programmable Controller” 246906/Korea MEC “Network System for a Programmable Controller” Pending/Germany MEC “Network System for a Programmable Controller” IEC takes no posi
40、tion 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 with applicants throughout the world. In this respect, the statement o
41、f the holders of these patent rights are registered with IEC. Information may be obtained from: MEC Mitsubishi Electric Corporation Corporate Licensing Deivsion 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8310, Japan Copyright International Electrotechnical Commission Provided by IHS under licens
42、e with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:54:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 6 61158-4-18 IEC:2007(E) Attention is drawn to the possibility that some of the elements of this standard may be the subject of p
43、atent rights other than those identified above. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61158-4-18 has been prepared by subcommittee 65C: Industrial networks, of IEC technical committee 65: Industrial-process measurement, control an
44、d automation. This first edition and its companion parts of the IEC 61158-4 subseries cancel and replace IEC 61158-4:2003. This edition of this part constitutes a technical addition. This edition of IEC 61158-4 includes the following significant changes from the previous edition: a) deletion of the
45、former Type 6 fieldbus, and the placeholder for a Type 5 fieldbus data link layer, for lack of market relevance; 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 Repor
46、t on voting 65C/474/FDIS 65C/485/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 Directives, Part 2. The committee has decided that the contents of thi
47、s publication will remain unchanged until the maintenance result date indicated 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. NOTE The revision
48、 of this standard will be synchronized with the other parts of the IEC 61158 series. The 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. Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees