1、 IEC 61511-1 Edition 2.0 2016-02REDLINE VERSIONFunctional safety Safety instrumented systems for the process industry sector Part 1: Framework, definitions, system, hardware and software application programming requirements IEC 61511-1:2016-02 RLV(en) colour inside THIS PUBLICATION IS COPYRIGHT PROT
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11、mented systems for the process industry sector Part 1: Framework, definitions, system, hardware and software application programming requirements INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 13.110; 25.040.01 ISBN 978-2-8322-3216-3 Registered trademark of the International Electrotechnical Commissi
12、on Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 61511-1:2016 RLV IEC 2016 CONTENTS FOREWORD . 5 INTRODUCTION . 2 1 Scope 9 2 Normative references. 14 3 Terms, definitions and abbreviations 15 3.1 Terms . 15 3.2 Terms and definitions 15 3.3
13、 Abbreviations 38 4 Conformance to the IEC 61511-1:2016 . 39 5 Management of functional safety 39 5.1 Objective 39 5.2 Requirements 39 5.2.1 General . 39 5.2.2 Organization and resources 39 5.2.3 Risk evaluation and risk management . 40 5.2.4 Safety planning 40 5.2.5 Implementing and monitoring 40 5
14、.2.6 Assessment, auditing and revisions 41 5.2.7 SIS configuration management . 44 6 Safety life-cycle requirements 44 6.1 Objectives . 44 6.2 Requirements 45 6.3 Application program SIS safety life-cycle requirements 47 7 Verification 50 7.1 Objective 50 7.2 Requirements 50 8 Process H any IEC Nati
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23、is IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. DISCLAIMER This Redline version is not an official IEC Standard and is intended only to provide the user with an indication of what changes have been made to the p
24、revious version. Only the current version of the standard is to be considered the official document. This Redline version provides you with a quick and easy way to compare all the changes between this standard and its previous edition. A vertical bar appears in the margin wherever a change has been
25、made. Additions are in green text, deletions are in strikethrough red text. 6 IEC 61511-1:2016 RLV IEC 2016 International Standard IEC 61511-1 has been prepared by subcommittee 65A: System aspects, of IEC technical committee 65: Industrial-process measurement, control and automation. This second edi
26、tion cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: references and requirements to software replaced with references and requirements to a
27、pplication programming; functional safety assessment requirements provided with more detail to improve management of functional safety. management of change requirement added; security risk assessment requirements added;. requirements expanded on the basic process control system as a protection laye
28、r; requirements for hardware fault tolerance modified and should be reviewed carefully to understand user/integrator options. The text of this standard is based on the following documents: FDIS Report on voting 65A/777/FDIS 65A/784/RVD Full information on the voting for the approval of this standard
29、 can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 61511 series, published under the general title Functional safety safety instrumented systems for the process indust
30、ry sector, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be
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