1、 TECHNICAL REPORT IEC TR 61131-4 Second edition2004-07 Programmable controllers Part 4:User guidelines Reference number IEC/TR 61131-4:2004(E)Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:0
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8、omer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:04:26 MSTNo reproduction or networking permitted without lic
9、ense from IHS-,-,-TECHNICAL REPORT IECTR 61131-4 Second edition2004-07 Programmable controllers Part 4:User guidelines PRICE CODE IEC 2004 Copyright-all rights reserved No part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopyi
10、ng 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.ch XF For price,see current catalogueCommission Elec
11、trotechnique InternationaleInternational Electrotechnical Commission Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:04:26 MSTNo reproduction or networking permitted without license from IHS-
12、,-,-2 TR 61131-4 IEC:2004(E)CONTENTS FOREWORD.5 INTRODUCTION.7 1 General.8 1.1 Scope and object.8 1.2 Normative references.9 1.3 Use of this report.9 2 Terms and definitions.10 3 General recommendations for installation.11 3.1 Environmental conditions.11 3.2 Field wiring.11 3.3 Electromagnetic compa
13、tibility.12 3.4 User system markings.13 4 PLC in functional safety applications.13 4.1 Functional safety and safety-related-system concept.13 4.2 Using a PLC in a safety-related application.15 4.3 Requirements on PLCs in a safety-related system.16 4.4 Integration of PLC into a safety-related system.
14、16 Annex A(informative)Overview of normative parts of IEC 61131.19 A.1 Overview of IEC 61131-1.19 A.2 Overview of IEC 61131-2.26 A.3 Overview of IEC 61131-3.59 A.4(blank).88 A.5 Overview of IEC 61131-5.88 A.6(blank).100 A.7 Overview of IEC61131-7.100 A.8(blank).107 Annex B(informative)Conformity to
15、IEC 61131 and product certification.108 B.1 General.108 B.2 Conformity to standards.108 B.3 Declaration of conformity and certification.109 B.4 The inter-relation of standards to laws in European Community.109 B.5 CE-marking of PLCs in the European Union.111 B.6 Transition periods.113 B.7 Other juri
16、stictions.114 B.8 Reference documents.115 Annex C(informative)Use of PLC programming languages and examples.116 C.1 Preamble.116 C.2 Advance planning.116 C.3 Structure and organization.117 C.4 Use of PLC languages.120 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=Technip Abu Dabhi/5931917101 Not for Resale,02/12/2006 07:04:26 MSTNo reproduction or networking permitted without license from IHS-,-,-TR 61131-4 IEC:2004(E)3 C.5 User Defined Functi
