1、 IEC 61514-2 Edition 2.0 2013-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial process control systems Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator valve assembly Systmes de commande des processus industriels Pa
2、rtie 2: Mthodes dvaluation des performances des positionneurs de vanne intelligents sorties pneumatiques monts sur un ensemble actionneur/vanne IEC61514-2:2013 THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2013 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of
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16、 donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 61514-2 Edition 2.0 2013-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial process control systems Part 2: Methods of evaluating the performance of intelligent valve positioners with p
17、neumatic outputs mounted on an actuator valve assembly Systmes de commande des processus industriels Partie 2: Mthodes dvaluation des performances des positionneurs de vanne intelligents sorties pneumatiques monts sur un ensemble actionneur/vanne INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION
18、ELECTROTECHNIQUE INTERNATIONALE W ICS 23.060; 25.040.40 PRICE CODE CODE PRIX ISBN 978-2-83220-834-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an author
19、ized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61514-2 IEC:2013 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7 2 Normative references 7 3 Terms and definitions . 9 4 Design review . 10 4.1 General . 10 4.2 Positioner identific
20、ation 11 4.2.1 Overview . 11 4.2.2 Power supply unit . 11 4.2.3 Sensor/input assembly . 11 4.2.4 Auxiliary sensor assembly 11 4.2.5 Human interface 12 4.2.6 Communication interface . 12 4.2.7 Data processing unit 12 4.2.8 Output subsystem 12 4.2.9 External functionality 13 4.3 Aspects of functionali
21、ty and capabilities to be reviewed 13 4.3.1 Checklist 13 4.3.2 Reporting . 19 4.4 Documentary information . 19 5 Performance testing 21 5.1 General . 21 5.2 Reference conditions for performance tests . 21 5.2.1 Overview . 21 5.2.2 Valve characteristics 21 5.3 General testing procedures 23 5.3.1 Test
22、 set-up 23 5.3.2 Testing precautions . 24 5.4 Initial observations and measurements 24 5.4.1 Overview . 24 5.4.2 Mounting procedure . 24 5.4.3 Configuration procedures . 24 5.4.4 Stem position calibration procedure 25 5.4.5 Stem position tuning procedure 25 5.5 Performance test procedures . 26 5.5.1
23、 General . 26 5.5.2 Effects of influence quantities 29 6 Other considerations . 35 6.1 Safety 35 6.2 Degree of protection provided by enclosures 35 6.3 Electromagnetic emission 35 6.4 Variants . 35 7 Evaluation report 35 Annex A (normative) Vibration test set-up . 37 Bibliography 38 61514-2 IEC:2013
24、 3 Figure 1 Positioner model in extensive configuration . 11 Figure 2 Basic design for positioners with analogue outputs 13 Figure 3 Basic design for positioners with pulsed output . 13 Figure 4 Basic test set-up . 24 Figure 5 Examples of step responses of positioners . 28 Figure A.1 Test set-up for
25、 vibration test 37 Table 1 Functionality (1 of 2) 14 Table 2 Configurability 16 Table 3 Hardware configuration 17 Table 4 Operability . 17 Table 5 Dependability (1 of 2) . 18 Table 6 Fail safe behaviour 19 Table 7 Reporting . 19 Table 8 Document information 20 Table 9 Test under reference conditions
26、 (1 of 3) . 26 Table 10 Matrix of instrument properties and tests (1 of 6) 30 4 61514-2 IEC:2013 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL PROCESS CONTROL SYSTEMS Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator
27、 valve assembly FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide 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 standa
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37、 to the possibility that 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. International Standard IEC 61514-2 has been prepared by subcommittee 65B: Measurement and control devices, of IE
38、C technical committee 65: Industrial-process measurement, control and automation. This part of IEC 61514 is to be used in conjunction with IEC 61514:2000. This second edition cancels and replaces the first edition published in 2004. This edition constitutes a technical revision. The significant chan
39、ges with respect to the previous edition are as follows: The standard has been optimized for usability. The test procedures have been reviewed regarding applicability for use in test facilities. Impractical test procedures were removed or modified. 61514-2 IEC:2013 5 The text of this standard is bas
40、ed on the following documents: FDIS Report on voting 65B/868/FDIS 65B/872/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 lis
41、t of all parts of the IEC 61514 series, published under the general title Industrial process control systems, 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 web site under “http:/web
42、store.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. 6 61514-2 IEC:2013 INTRODUCTION New instruments for process control and measurement including valve positioners are mainly equipped
43、with microprocessors, thereby utilising digital data processing and communication methods and/or artificial intelligence, making them more complex and giving them a consider-able added value. Modern intelligent valve positioners are no longer only controlling the valve position, but they are in many
44、 cases also equipped with various facilities for self-testing, actuator/valve condition monitoring and alarming. The variety of added functionalities is large. They can no longer be compared with the single function “cam-type“ positioners. Therefore, accuracy related performance testing, although st
45、ill very important, is no longer sufficient to demonstrate their flexibility, capabilities and other features with respect to engineering, installation, maintain-ability, reliability and operability. In this standard the evaluation considers performance testing and a design review of both hardware a
46、nd software. The layout of this document follows to some extent the framework of IEC/TS 62098. A number of performance tests described in IEC 61514 are still valid for intelligent valve positioners. Further reading of IEC 61069 is recommended. 61514-2 IEC:2013 7 INDUSTRIAL PROCESS CONTROL SYSTEMS Pa
47、rt 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator valve assembly 1 Scope This part of IEC 61514 specifies design reviews and tests intended to measure and determine the static and dynamic performance, the degree of intelligence
48、 and the communication capabilities of single-acting or double-acting intelligent valve positioners. The tests may be applied to positioners which receive standard analogue electrical input signals (as specified in IEC 60381) and/or digital signals via a data communication link and have a pneumatic
49、output. An intelligent valve positioner as defined in Clause 3 is an instrument that uses for performing its functions digital techniques for data processing, decision-making and bi-directional communication. It may be equipped with additional sensors and additional functionality supporting the main function. The performance testing of an intelligent valve positioner needs to be conducted with the positi
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