IEC 61326-3-1-2017 Electrical equipment for measurement control and laboratory use - EMC requirements - Part 3-1 Immunity requirements for safety-related systems and for equipment .pdf

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1、 IEC 61326-3-1 Edition 2.0 2017-05 REDLINE VERSION Electrical equipment for measurement, control and laboratory use EMC requirements Part 3-1: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) General industrial applic

2、ations IEC 61326-3-1:2017-05 RLV(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, includi

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11、iec.ch. IEC 61326-3-1 Edition 2.0 2017-05 REDLINE VERSION Electrical equipment for measurement, control and laboratory use EMC requirements Part 3-1: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) General industrial

12、 applications INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 25.040.40; 33.100.20 ISBN 978-2-8322-4356-5 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IEC 61326-3-1:2017 RLV I

13、EC 2017 CONTENTS FOREWORD . 4 INTRODUCTION . 2 1 Scope 8 2 Normative references 8 3 Terms, definitions and abbreviations . 10 3.1 Terms and definitions 10 3.2 Abbreviations 10 4 General . 13 5 EMC test plan 14 5.1 General . 14 5.2 Instruction for testing 14 5.3 Configuration of EUT during testing 15

14、 5.3.1 General . 15 5.3.2 Composition of EUT . 15 5.3.3 Assembly of EUT . 15 5.3.4 I/O ports 15 5.3.5 Auxiliary equipment (AE) . 15 5.3.6 Cabling and earthing (grounding) . 15 5.4 Operation conditions of EUT during testing . 16 5.4.1 Operation modes . 16 5.4.2 Environmental conditions . 16 5.4.3 EUT

15、 software during test . 16 5.5 Specification of performance criteria . 16 5.6 Test description 16 6 Performance criteria 16 6.1 Performance criterion FS DS 16 6.2 Application of the performance criterion FS DS . 16 6.3 Aspects to be considered during application of performance criterion DS 17 7 Immu

16、nity requirements 18 8 Test set-up and test philosophy for EUTs with functions intended for safety applications . 26 8.1 Testing of safety-related systems and equipment intended to be used in safety-related systems 26 8.2 Test philosophy for equipment intended for use in safety-related systems 26 8.

17、3 Test philosophy for safety-related systems . 27 8.4 Test configuration and test performance . 27 8.5 Monitoring . 27 9 Test results and test report 29 Annex A (informative) Approaches on how to apply IEC 61326-3 series . 35 Annex B (informative) Evaluation of electromagnetic phenomena 37 Annex C (

18、informative) Allowed effects during immunity tests 41 Bibliography 46 Figure 1 Typical test set-up for equipment intended for use in safety-related system, tested as stand-alone equipment or entire system 30 IEC 61326-3-1:2017 RLV IEC 2017 3 Figure 2 Typical test set-up for equipment intended for us

19、e in a safety-related system integrated into a representative safety-related system during test . 32 Figure 3 Typical test set-up for equipment intended for use in safety-related system tested stand-alone Figure 4 Typical test set-up for a safety-related system . Figure A.1 Correlation between the s

20、tandards IEC 61326-1, IEC 61326-2-x, IEC 61326-3-1 and IEC 61326-3-2 36 Figure B.1 Emission/immunity levels and compatibility level, with an example of emission/immunity levels for a single emitter and susceptor, as a function of some independent variables (see IEC TR 61000-1-1) . 38 Table 1 Reactio

21、n of EUT during test 18 Table 2 Selected frequencies for electromagnetic field tests Table 2 Immunity test requirements for equipment intended for use in industrial Enclosure port 19 Table 3 Immunity test requirements for equipment intended for use in industrial Input and output AC power ports . 20

22、Table 4 Immunity test requirements for equipment intended for use in industrial Input and output DC power ports. 21 Table 5 Immunity test requirements for equipment intended for use in industrial I/O signal/control ports . 22 Table 6 Immunity test requirements for equipment intended for use in indus

23、trial I/O signal/control ports connected direct to power supply networks. 23 Table 7 Immunity test requirements for equipment intended for use in industrial Functional earth port . 23 Table 8 Frequency ranges of mobile transmitters and ISM equipment for tests with electromagnetic fields . 25 Table 9

24、 Selected Frequency ranges of mobile transmitters and ISM equipment for the conducted RF tests . 26 Table 10 Applicable performance criteria and observed behaviour during test for equipment intended for use in safety-related systems . 27 Table B.1 Exemplary considerations on electromagnetic phenomen

25、a and test levels with regard to functional safety in industrial applications . 40 Table C.1 Allowed effects during immunity tests on functions of equipment (1 of 2) . 42 Table C.2 Allowed effects during immunity tests on functions of a system (1 of 2) 44 4 IEC 61326-3-1:2017 RLV IEC 2017 INTERNATIO

26、NAL ELECTROTECHNICAL COMMISSION _ ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE EMC REQUIREMENTS Part 3-1: Immunity requirements for safety-related systems and for equipment intended to perform safety-related functions (functional safety) General industrial applications FOREWORD 1

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37、some of the elements of this 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 chang

38、es have been made to the previous 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 w

39、herever a change has been made. Additions are in green text, deletions are in strikethrough red text. IEC 61326-3-1:2017 RLV IEC 2017 5 International Standard IEC 61326-3-1 has been prepared by subcommittee 65A: System aspects, of IEC technical committee 65: Industrial-process measurement, control a

40、nd automation. This second edition cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: extension of the frequency range up to 6 GHz for the rad

41、io-frequency electromagnetic field test according to IEC 61000-4-3, replacement of the performance criterion FS with DS according to the generic standard IEC 61000-6-7, adding Table 1 Aspects to be considered during application of performance criterion DS, including immunity tests for devices with c

42、urrent consumption 16 A according to IEC 61000-4-34, updating Table 8 Frequency ranges of mobile transmitters and ISM equipment, updating Figure A.1 and Figure 1 for better readability. IEC 61326-3-1 is to be read in conjunction with IEC 61326-1. The text of this standard is based on the following d

43、ocuments: FDIS Report on voting 65A/819/FDIS 65A/825/RVD Full information on the voting for the approval of this standard 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 the parts of

44、 the IEC 61326 series, under the general title Electrical equipment for measurement, control and laboratory use EMC requirements, 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 websi

45、te under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the cover page of this publication indicates that it contains colours which a

46、re considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 6 IEC 61326-3-1:2017 RLV IEC 2017 INTRODUCTION Functional safety is that part of the overall safety relating to the equipment under control (EUC) and the EUC c

47、ontrol system which depends on the correct functioning of the electrical safety-related systems. To achieve this, all items of equipment of the safety-related system which are involved in the performance of the safety functions must behave in a specified manner under all relevant conditions. The IEC

48、 basic safety publication for functional safety of electrical/electronic/programmable electronic safety-related systems is IEC 61508. It sets the overall requirements to achieve functional safety. Sufficient immunity to electromagnetic disturbances is one of those requirements. The concept of IEC 61

49、508 distinguishes between the consideration of the application and the design of safety-related electrical and electronic systems. The interface between both is The overall safety requirements specification (SRS). It specifies all relevant requirements of the intended application, as follows: a) definition of the safety functions, based on a risk assessment of the intended application (which functions are intended to reduce risk); b) appropr