IEC_TS_61804-1-2003.pdf

TECHNICALSPECIFICATIONIEC TS 61804-1First edition2003-10Function blocks(FB)for process control Part 1:Overview of system aspectsReference numberIEC/TS 61804-1:2003(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The 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,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TECHNICALSPECIFICATIONIECTS 61804-1First edition2003-10Function blocks(FB)for process control Part 1:Overview of system aspectsPRICE CODE 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.chXFFor price,see current catalogueCommission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 TS 61804-1 IEC:2003(E)CONTENTSFOREWORD.5INTRODUCTION.71Scope.92Normative references.113Terms,definitions and abbreviated terms.113.1General definitions.113.2Definitions based on IA/IM-channel.173.3Abbreviated terms.184Engineering requirements.184.1General.184.2Requirements for design phase.185Compatibility levels.195.1General.195.2Incompatibility.215.3Coexistence.215.4Interconnectability.215.5Interworkability.215.6Interoperability.215.7Interchangeability.216Functional requirements.226.1General.226.2System(or channel or device)status.226.3Validity index(VI).246.4Signal processing.246.5Measurement information processing.246.6Device diagnostics and test support.266.7Local interfaces attachment.276.8Device(and system and channel)management.277FB application requirements.317.1System overview.317.2Overview of basic FB types.337.3FB requirements.357.4Initial sets of FBs derived from I&C.377.5FB environment requirements.417.6Communications requirements.438Additional requirements.438.1Cooperation with external applications.438.2Additional characteristic requirements.478.3Conformance requirements.499Device descriptive language.499.1Background.499.2Basic requirements.499.3General requirements.51LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.TS 61804-1 IEC:2003(E)3 Annex A(informative)Life cycle of the system.53Annex B(informative)FB functional requirements:the users view.77Annex C(informative)Relation between IEC 61804 series and IEC 61499-1.94Annex D(informative)Mapping of an analogue input FB to IEC 61499.106Annex E(informative)FB requirement overview support.119Annex F(informative)AME requirements.121Bibliography.127Figure A.1 Life cycle from the process circuit to the FRDs.55Figure A.2 PFD composed of two process elementary operations.56Figure A.3 Control functions explicitly represented on the extended P&ID.57Figure A.4 Extraction of control functions from the extended P&ID.58Figure A.5 Requirements for control functions