IEC_61158-4-2003.pdf

INTERNATIONALSTANDARDIEC61158-4Third edition2003-05Digital data communicationsfor measurement and control Fieldbus for use in industrialcontrol systems Part 4:Data link protocol specificationReference numberIEC 61158-4:2003(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,thebase publication incorporating amendment 1 and the base publication incorporatingamendments 1 and 2.Further information on IEC publicationsThe technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating tothis publication,including its validity,is available in the IEC Catalogue ofpublications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertakenby the technical committee which has prepared this publication,as well as the listof publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publicationsThe on-line catalogue on the IEC web site(http:/www.iec.ch/searchpub/cur_fut.htm)enables you to search by a variety of criteria including text searches,technicalcommittees and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publications,as well ascorrigenda.IEC Just Published This summary of recently issued publications(http:/www.iec.ch/online_news/justpub/jp_entry.htm)is also available by email.Please contact the CustomerService Centre(see below)for further information.Customer Service CentreIf you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC61158-4Third edition2003-05Digital data communicationsfor measurement and control Fieldbus for use in industrialcontrol systems Part 4:Data link protocol specification IEC 2003 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chXWFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61158-4 IEC:2003(E)CONTENTS FOREWORD.24 0 Introduction.27 0.1 General.27 0.2 Nomenclature for references within this standard.27 1 Scope and object.29 1.1 Overview.29 1.2 Specifications.30 1.3 Procedures.32 1.4 Applicability.32 1.5 Conformance.32 2 Normative references.32 3 Terms and definitions.33 3.1 Reference model terms and definitions.33 3.2 Service convention terms and definitions.35 3.3 Common terms and definitions.36 3.4 Type 1:Additional terms and definitions.39 3.5 Type 2:Additional terms and definitions.45 3.6 Type 3:Additional terms and definitions.52 3.7 Type 4:Additional terms and definitions.54 3.8 Type 5:Additional terms and definitions.55 3.9 Type 6:Additional terms and definitions.55 3.10 Type 7:Additional terms and definitions.65 3.11 Type 8:Additional terms and definitions.67 4 Symbols and abbreviations.69 4.1 Common symbols and abbreviations.69 4.2 Type 1:Additional symbols and abbreviations.69 4.3 Type 2:Additional symbols and abbreviations.73 4.4 Type 3:Additional symbols and abbreviations.74 4.5 Type 4:Additional symbols and abbreviations.78 4.6 Type 5:Additional symbols and abbreviations.79 4.7 Type 6:Additional symbols and abbreviations.79 4.8 Type 7:Additional symbols and abbreviations.80 4.9 Type 8:Additional symbols and abbreviations.81 5 DL-protocol elements common to multiple DL-protocol Types.84 5.1 Frame check sequence.84 6 Type 1:Overview of the DL-protocol.88 6.1 Three-level model of the DLL.88 6.2 Service provided by the DLL.91 6.3 Structure and definition of DL-addresses.97 6.4 Service assumed from the PhL.109 6.5 Functions of the DLL.112 6.6 Functional classes.114 6.7 Local parameters,variables,counters,timers and queues.116 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61158-4 IEC:2003(E)3 7 Type 1:General structure and encoding of PhID