IEC_61131-5_Programmable_controllers_-_Communications_1.pdf

INTERNATIONALSTANDARDIEC61131-5First edition2000-11Programmable controllers Part 5:CommunicationsAutomates programmables Partie 5:CommunicationsReference numberIEC 61131-5:2000(E)Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:02:40 MSTNo reproduction or networking permitted without license from IHS-,-,-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(www.iec.ch/catlg-e.htm)enablesyou 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and date of publication.On-line information is also available onrecently issued publications,withdrawn and replaced publications,as well ascorrigenda.IEC Just PublishedThis summary of recently issued publications(www.iec.ch/JP.htm)is alsoavailable by email.Please contact the Customer Service Centre(see below)forfurther 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 00Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:02:40 MSTNo reproduction or networking permitted without license from IHS-,-,-INTERNATIONALSTANDARDIEC61131-5First edition2000-11Programmable controllers Part 5:CommunicationsAutomates programmables Partie 5:CommunicationsPRICE CODE IEC 2000 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 Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chXFor price,see current catalogue Commission Electrotechnique Internationale International Electrotechnical CommissionCopyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:02:40 MSTNo reproduction or networking permitted without license from IHS-,-,-2 61131-5 IEC:2000(E)CONTENTSPageFOREWORD.6Clause1Scope.82Normative references.83Definitions.94Symbols and abbreviations.115Models.115.1PC network communication model.115.2PC functional model.125.3PC hardware model.145.4Software model.146PC communication services.156.1PC subsystems and their status.156.2Application specific functions.227PC communication function blocks.287.1Overview of the communication function blocks.287.2Semantic of communication FB parameters.297.3Device verification.347.4Polled data acquisition.387.5Programmed data acquisition.417.6Parametric control.517.7Interlocked control.547.8Programmed alarm report.617.9Connection management.697.10Example for the use of communication function blocks.738Compliance and implementer specific features and parameters.768.1Compliance.768.2Implementation specific features and parameters.77Annex A(normative)Mapping to ISO/IEC 9506-5.78Annex B(normative)PC behavior using ISO/IEC 9506-2.98Figure 1 Scope of this part of IEC 61131.8Figure 2 PC communication model.12Figure 3 Programmable controller functional model.13Figure 4 Programmable controller hardware model.14Figure 5 PC software model.15Figure 6 Programmable controller power supply.19Figure 7 Type description of status information.21Figure 8 Interlocked control timeline.24Figure 9 Function REMOTE_VAR.31Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:02:40 MSTNo reproduction or networking permitted without license from IHS-,-,-61131-5 IEC:2000(E)3 Figure 10 Principle of status signalling.32Figure 11 Timing diagram of the ERROR and STATUS outputs.32Figu