1、 INTERNATIONAL STANDARD IEC61003-1 Second edition2004-01 Industrial-process control systems Instruments with analogue inputs and two-or multi-state outputs Part 1:Methods of evaluating performance Reference number IEC 61003-1:2004(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS
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8、erviec.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.INTERNATIONAL STANDARD IEC61003-1 Second edition2004-01 Industrial-process control systems Instruments with analogue inputs and two-or
9、multi-state outputs Part 1:Methods of evaluating performance 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 photocopying and microfilm,without permission in writing from the publisher.Int
10、ernational 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 U For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical C
11、ommission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61003-1 IEC:2004(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 General conditions for tests.8 4.1 Documentary information
12、.8 4.2 Safety.8 4.3 Installation.8 4.4 Supply conditions.9 5 General testing procedures and precautions.9 5.1 Checking of calibration made prior to delivery.9 5.2 Set point.9 5.3 Switching differential.9 6 Test methods and procedures.9 6.1 Tests under reference conditions.9 6.2 Tests for the effects
13、 of influence quantities.12 6.3 Other tests.19 7 Multi-state instrument.21 7.1 Action.21 7.2 Tests.21 7.2.1 Characteristics of the multi-state instrument.21 7.2.2 Mutual influence of pairs of switching points.21 7.2.3 Determination of switching range.21 8 General observations.21 8.1 Protective finis
14、hes.21 8.2 Design features.22 8.3 Tools and equipment.22 9 Test report and summary of tests.23 10 Other considerations.27 10.1 Routine maintenance and adjustment.27 10.2 Repair.27 10.3 Partial evaluation.27 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY
15、 BOOK SUPPLY BUREAU.61003-1 IEC:2004(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL-PROCESS CONTROL SYSTEMS INSTRUMENTS WITH ANALOGUE INPUTS AND TWO-OR MULTI-STATE OUTPUTS Part 1:Methods of evaluating performance FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide
16、 organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is e
