IEC TS 61804-1-2003 Function blocks (FB) for process control - Part 1 Overview of system aspects《过程控制用功能块.第1部分 系统概述》.pdf
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1、TECHNICAL SPECIFICATION IECTS 61804-1 First edition 2003-10 Function blocks (FB) for process control Part 1: Overview of system aspects Reference number IEC/TS 61804-1:2003(E)Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For exam
2、ple, IEC 34-1 is now referred to as IEC 60034-1. Consolidated editions The IEC is now publishing consolidated versions of its publications. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment 1 and the base publicat
3、ion incorporating amendments 1 and 2. Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to this publication, including its validity, is available
4、 in the IEC Catalogue of publications (see below) in addition to new editions, amendments and corrigenda. Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is als
5、o available from the following: IEC Web Site (www.iec.ch) Catalogue of IEC publications The on-line catalogue on the IEC web site (www.iec.ch/searchpub) enables you to search by a variety of criteria including text searches, technical committees and date of publication. On-line information is also a
6、vailable on recently issued publications, withdrawn and replaced publications, as well as corrigenda. IEC Just Published This summary of recently issued publications (www.iec.ch/online_news/ justpub) is also available by email. Please contact the Customer Service Centre (see below) for further infor
7、mation. Customer Service Centre If you have any questions regarding this publication or need further assistance, please contact the Customer Service Centre: Email: custserviec.ch Tel: +41 22 919 02 11 Fax: +41 22 919 03 00 TECHNICAL SPECIFICATION IEC TS 61804-1 First edition 2003-10 Function blocks
8、(FB) for process control Part 1: Overview of system aspects PRICE CODE IEC 2003 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 th
9、e publisher. International Electrotechnical Commission, 3, rue de Varemb, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmailiec.ch Web: www.iec.ch XF For price, see current catalogue Commission Electrotechnique Internationale International
10、 Electrotechnical Commission 2 TS 61804-1 IEC:2003(E) CONTENTS FOREWORD 5 INTRODUCTION 7 1 Scope 9 2 Normative references11 3 Terms, definitions and abbreviated terms11 3.1 General definitions.11 3.2 Definitions based on IA/IM-channel17 3.3 Abbreviated terms .18 4 Engineering requirements .18 4.1 Ge
11、neral .18 4.2 Requirements for design phase .18 5 Compatibility levels.19 5.1 General .19 5.2 Incompatibility .21 5.3 Coexistence.21 5.4 Interconnectability .21 5.5 Interworkability 21 5.6 Interoperability.21 5.7 Interchangeability 21 6 Functional requirements .22 6.1 General .22 6.2 System (or chan
12、nel or device) status .22 6.3 Validity index (VI) 24 6.4 Signal processing 24 6.5 Measurement information processing.24 6.6 Device diagnostics and test support.26 6.7 Local interfaces attachment.27 6.8 Device (and system and channel) management .27 7 FB application requirements .31 7.1 System overvi
13、ew31 7.2 Overview of basic FB types33 7.3 FB requirements 35 7.4 Initial sets of FBs derived from I any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also par
14、ticipate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible,
15、an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While al
16、l reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to ap
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