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    BS EN 81346-2-2009 Industrial systems installations and equipment and industrial products - Structuring principles and reference designations - Classification of objects and codes .pdf

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    BS EN 81346-2-2009 Industrial systems installations and equipment and industrial products - Structuring principles and reference designations - Classification of objects and codes .pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationIndustrial systems, installationsand equipment and industrialproducts Structuring principlesand reference designations Part 2: Classification of objects and codes for classesBS E

    2、N 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSINational forewordThis British Standard is the UK implementation of EN 81346-2:2009. It isidentical to IEC 81346-2:2009. It supersedes BS EN 61346-2:2001 and DDIEC/PAS 62400:2005, which ar

    3、e withdrawn.The UK participation in its preparation was entrusted to Technical CommitteeGEL/3, Documentation and graphical symbols.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provision

    4、s of acontract. Users are responsible for its correct application. BSI 2010ISBN 978 0 580 55512 1ICS 01.110; 29.020Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on

    5、31 January 2010Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD EN 81346-2 NORME EUROPENNE EUROPISCHE NORM October 2009 CENELEC European

    6、 Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENE

    7、LEC members. Ref. No. EN 81346-2:2009 E ICS 01.110; 29.020 Supersedes EN 61346-2:2000English version Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes (IEC 81346-2:2009

    8、) Systmes industriels, installations et appareils, et produits industriels - Principes de structuration et dsignations de rfrence - Partie 2: Classification des objets et codes pour les classes (CEI 81346-2:2009) Industrielle Systeme, Anlagen und Ausrstungen und Industrieprodukte -Strukturierungspri

    9、nzipien und Referenzkennzeichnung - Teil 2: Klassifizierung von Objekten und Kennbuchstaben fr Klassen (IEC 81346-2:2009) This European Standard was approved by CENELEC on 2009-08-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giv

    10、ing this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official

    11、versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committee

    12、s of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United K

    13、ingdom. BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSIEN 81346-2:2009 - 2 - Foreword The text of document 3/945/FDIS, future edition 1 of IEC 81346-2, prepared by IEC TC 3, Information structures, documentation and graphical symb

    14、ols, and ISO TC 10, Technical product documentation, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 81346-2 on 2009-08-01. This European Standard supersedes EN 61346-2:2000. EN 81346-2:2009 includes the following technical changes with respect to EN 61346-2:2000: al

    15、l rules concerning the application of letter codes have been removed as these should be included in another publication dealing with the application of letter codes within reference designations. The following dates were fixed: latest date by which the EN has to be implemented at national level by p

    16、ublication of an identical national standard or by endorsement (dop) 2010-05-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2012-08-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 81346-2:2009 w

    17、as approved by CENELEC as a European Standard without any modification. _ BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSI- 3 - EN 81346-2:2009 Annex ZA (normative) Normative references to international publications with their corr

    18、esponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an inte

    19、rnational publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 81346-1 -1)Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 1: Basi

    20、c rules EN 81346-1 20092)ISO 14617-6 2002 Graphical symbols for diagrams - Part 6: Measurement and control functions - - 1)Undated reference. 2)Valid edition at date of issue. BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSI 2 8134

    21、6-2 IEC:2009 CONTENTS INTRODUCTION.6 0.1 General .6 0.2 Basic requirements for this standard .6 1 Scope.8 2 Normative references .8 3 Terms and definitions .8 4 Classification principles 8 4.1 General .8 4.2 Assigning objects to classes9 5 Classes of objects 11 5.1 Classes of objects according to in

    22、tended purpose or task11 5.2 Subclasses of objects according to intended purpose or task 17 5.3 Classes of objects according to infrastructure .36 Annex A (informative) Object-classes related to a generic process 39 Annex B (informative) Object-classes related to objects in a generic infrastructure

    23、41 Figure 1 Constituent objects 7 Figure 2 The basic concept8 Figure 3 Classification of objects in a measuring circuit .10 Figure A.1 Object-classes related to a process 39 Figure B.1 Object-classes related to objects in a generic infrastructure42 Table 1 Classes of objects according to their inten

    24、ded purpose or task (Codes A to D)12 Table 1 (continued, codes E to J)13 Table 1 (continued, codes K to P) .14 Table 1 (continued, codes Q to U) 15 Table 1 (continued, codes V to Z) .16 Table 2 Definitions and letter codes of subclasses related to main classes (Class A).18 Table 2 (continued, class

    25、B) .19 Table 2 (continued, class C) .20 Table 2 (continued, class E) .21 Table 2 (continued, class F)22 Table 2 (continued, class G) .23 Table 2 (continued, class H) .24 Table 2 (continued, class K) .25 Table 2 (continued, class M).26 Table 2 (continued, class P) .27 Table 2 (continued, class Q) .28

    26、 Table 2 (continued, class R) .29 Table 2 (continued, class S) .30 Table 2 (continued, class T)31 BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSI81346-2 IEC:2009 3 Table 2 (continued, class U) .32 Table 2 (continued, class V) .33

    27、Table 2 (continued, class W).34 Table 2 (continued, class X) .35 Table 3 Classes of infrastructure objects .37 Table 4 Examples of branch-related classes B to U of Table 3.38 BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSI 6 81346

    28、-2 IEC:2009 INTRODUCTION 0.1 General The aim of this part of IEC 81346 is to establish classification schemes for objects with associated letter codes which can be applied throughout all technical areas, e.g. electrical, mechanical and civil engineering as well as all branches of industry, e.g. ener

    29、gy, chemical industry, building technology, shipbuilding and marine technology. The letter codes are intended for use with the rules for the construction of reference designations in accordance with IEC 81346-1. Annex A illustrates how objects may be classified according to their intended purpose or

    30、 task related to a generic process. Annex B illustrates how objects may be classified according to their position in an infrastructure. 0.2 Basic requirements for this standard The basic requirements were developed during the preparation of IEC 61346-2 Ed. 1, and accepted by vote by the national com

    31、mittees. NOTE These basic requirements concern the development of the letter code classification system in this standard and not its application. They are therefore not normative vis-vis the application of this standard. (1) Letter codes shall be based on a classification scheme. (2) A classificatio

    32、n scheme is the set of definitions for the types of objects (for example, a classification scheme for function types containing the definition of the different function types of objects). (3) A classification scheme shall allow for hierarchical classification of types of objects, i.e. subclasses and

    33、 superclasses. (4) A letter code for a type of object shall be independent of the actual position of the instances of that type of object in a system. (5) Distinct classes shall be defined on each level of the classification scheme. (6) The definitions of the classes of a particular level within a c

    34、lassification scheme shall have a common basis (for example, a classification scheme that, on one level, classifies objects according to colour shall not contain classes that classify objects by shape). The basis, however, may vary from one level to another. (7) A letter code should indicate the typ

    35、e of object and not an aspect of this object. (8) A classification scheme shall allow for expansion in order to take into account future development and needs. (9) A classification scheme shall be usable within all technical areas without favouring a specific area. (10) It shall be possible to use t

    36、he letter codes consistently throughout all technical areas. The same type of object should preferably have only one letter code independent of the technical area where it is being used. (11) It should be possible to indicate in a letter code from which technical area the object originates, if this

    37、is wanted. (12) A classification scheme should reflect the practical application of letter codes. (13) Letter codes should not be mnemonic, as this cannot be implemented consistently throughout a classification scheme and for different languages. (14) Letter codes shall be formed using capital lette

    38、rs from the Latin alphabet, excluding I and O due to possible confusion with the digits 1 (one) and 0 (zero). BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSI81346-2 IEC:2009 7 (15) Different classification schemes shall be allowed

    39、 and be applicable for the same type of object. (16) Objects may be classified for example according to function types, shapes, colours, or material. This means that the same type of object may be assigned different letter codes according to the different classification schemes. (17) Objects that ar

    40、e directly constituents of another object using the same aspect shall be assigned letter codes according to the same classification scheme as shown in Figure 1. See also Figure A.1. Objects 2, 3, and 4, which are direct constituents of object 1, shall be assigned letter codes from the same classific

    41、ation scheme. Objects 5 and 6, which are direct constituents of object 2, shall be assigned letter codes from the same classification scheme. Objects 7 and 8, which are direct constituents of object 4, shall be assigned letter codes from the same classification scheme. Objects 9, 10, 11, and 12, whi

    42、ch are direct constituents of object 6, shall be assigned letter codes from the same classification scheme. Objecst 13, 14, 15, and 16, which are direct constituents of object 8, shall be assigned letter codes from the same classification scheme. Figure 1 Constituent objects (18) If products from di

    43、fferent manufacturers are combined into a new product, the constituents of this product may be assigned codes according to different classification schemes. IEC 1272/09 BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSI 8 81346-2 IEC

    44、:2009 INDUSTRIAL SYSTEMS, INSTALLATIONS AND EQUIPMENT AND INDUSTRIAL PRODUCTS STRUCTURING PRINCIPLES AND REFERENCE DESIGNATIONS Part 2: Classification of objects and codes for classes 1 Scope This part of International Standard 81346, published jointly by IEC and ISO defines classes and subclasses o

    45、f objects based on a purpose- or task-related view of the objects, together with their associated letter codes to be used in reference designations. The classification is applicable for objects in all technical areas, e.g. electrical, mechanical and civil engineering as well as all branches of indus

    46、try, e.g. energy, chemical industry, building technology, shipbuilding and marine technology, and can be used by all technical disciplines in any design process. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, on

    47、ly the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 81346-1, Industrial systems, installations and equipment and industrial products Structuring principles and reference designations Part 1: Basic rules ISO 14617

    48、-6:2002 Graphical symbols for diagrams Part 6: Measurement and control functions 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 81346-1 apply. 4 Classification principles 4.1 General The principle of classification of objects is based on viewing eac

    49、h object as a means for performing an activity often with input and output (see Figure 2). In this respect, the internal structure of an object is not important. Figure 2 The basic concept IEC 1273/09 BS EN 81346-2:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 15/04/2010 03:13, Uncontrolled Copy, (c) BSI81346-2 IEC:2009 9 Annex A shows the generic process model used for the establishment of the classification scheme based on intended purpose or task as


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