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BS EN IEC 81346-1:2022

BS EN IEC 81346-1:2022

$215.11

Industrial systems, installations and equipment and industrial products. Structuring principles and reference designations – Basic rules

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BSI 2022 124
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This part of IEC 81346, published jointly by IEC and ISO, establishes general principles for the structuring of systems including structuring of the information about systems. Based on these principles, rules and guidance are given for the formulation of unambiguous reference designations for objects in any system. The reference designation identifies objects for the purpose of creation and retrieval of information about an object, and where realized about its corresponding component. A reference designation labelled at a component is the key to find information about that object among different kinds of documents. The principles are general and are applicable to all technical areas (for example mechanical engineering, electrical engineering, construction engineering, process engineering). They can be used for systems based on different technologies or for systems combining several technologies. This document is also a horizontal publication intended for use by technical committees in preparation of publications related to reference designations in accordance with the principles laid down in IEC Guide 108.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
13 FOREWORD
16 INTRODUCTION
17 Figures
Figure 1 – International Standards providing a consistent systemfor designation, documentation and presentation of information
18 1 Scope
2 Normative references
19 3 Terms and definitions
21 4 Concepts
4.1 Object
22 4.2 Aspect
Figure 2 – Illustration of an object
23 Figure 3 – Aspects of an object
24 4.3 Systems
4.4 Structuring
4.5 Function
Figure 4 – Generic relation between the functionality ofa technical system and a technical process
25 4.6 Products and components
Figure 5 – Example of functionality of a technical system and a technical process
26 4.7 Location
4.8 Types
4.9 Object occurrences and product individuals
27 4.10 Relations between concepts
Figure 6 – Illustration of the concept’s product, component,type, individual and occurrence
28 5 Structuring principles
5.1 General
Tables
Table 1 – Identification of types, occurrences and individuals within different contexts
29 Figure 7 – Illustration of structural decomposition of an object from different aspects
30 Figure 8 – Illustration of a function-oriented decompositionand product-oriented composition
31 5.2 Forming structures
Figure 9 – Structure tree of object A (alternative 1)
Figure 10 – Structure tree of object A (alternative 2)
32 Figure 11 – Constituents in one aspect of object type 1
Figure 12 – Constituents in one aspect of object type 2
Figure 13 – Constituents in one aspect of object type 5
33 5.3 Function-oriented structure
Figure 14 – Structure tree of object type 1
34 5.4 Product-oriented structure
Figure 15 – Illustration of a function-oriented structure
35 5.5 Location-oriented structure
Figure 16 – Illustration of a product-oriented structure
36 5.6 Type-oriented structure
5.7 Structures based on “other aspects”
Figure 17 – Illustration of a location-oriented structure
37 Figure 18 – Example of the use of “other aspect”
38 5.8 Structures based on more than one aspect
Figure 19 – Example of the use of “other aspect”
Figure 20 – Illustration of an object accessible from three aspects,and where these aspects are used also for internal structuring
39 6 Construction of reference designations
6.1 General
Figure 21 – Illustration of an object identified by means of one aspect andwith sub-objects identified by means of another aspect
40 6.2 Format of reference designations
6.2.1 Single level
Table 2 – Examples of single-level reference designations
41 6.2.2 Multi-level
6.2.3 Use of letter codes
Figure 22 – Relation between a multi-level reference designationand its single-level reference designations
42 6.3 Different structures within the same aspect
7 Reference designation set
Table 3 – Examples of multi-level reference designations with multiple prefix signs
43 Figure 23 – Example of reference designation sets
44 8 Designation of locations
8.1 General
8.2 Assemblies
45 Figure 24 – Example of designation of mounting planes inside a factory build assembly
46 9 Presentation of reference designations
9.1 Reference designations
Figure 25 – Examples of designation of locations inside a factory build assembly
47 9.2 Reference designation set
Table 4 – Examples of presentations of multi-level reference designations
48 9.3 Presentation of identifiers for the top-node
Table 5 – Presentation of reference designations of a reference designation set
49 10 Labelling
Figure 26 – Different objects on a site identified with top node identifiers
Figure 27 – The common initial portion of reference designations
50 11 Presentation of properties for an object
Figure 28 – Labelling of reference designations
Figure 29 – Presentation of a property in combination with a reference designation
51 12 Application of the reference designation system
52 Annexes
Annex A (informative)Information model on the reference designation system
A.1 General
A.2 EXPRESS-G model
Figure A.1 – EXPRESS-G model of the reference designation system
53 A.3 Entity descriptions
A.3.1 object
A.3.2 aspect
A.3.3 object_occurrence
A.3.4 function_occurrence
54 A.3.5 product_occurrence
A.3.6 location_occurrence
A.3.7 type_occurrence
A.3.8 other_aspect_occurrence
A.3.9 reference_designation
A.3.10 single_level_reference_designation
55 A.3.11 multi_level_reference_designation
A.3.12 reference_designation_set
A.3.13 classification_scheme
A.3.14 class
56 A.3.15 top_node_identifier
A.3.16 product_individual
A.4 Enumerations
A.4.1 aspect_kind
A.4.2 81346_classification_domain
57 A.5 EXPRESS code
59 Annex B (informative)Establishment and life cycle of objects
B.1 Establishment and validity of objects
Figure B.1 – Development situations of objects
60 B.2 Life cycle story of an object
B.2.1 Overview
B.2.2 Function aspect and function based on a function-oriented structure (A)
61 Figure B.2 – The object’s life cycle
62 B.2.3 Functional requirement specification FR1 (B)
B.2.4 Location aspect and reference designation based on a location-oriented structure (C)
B.2.5 Component type specification CT1 (D)
63 B.2.6 Function list for system design FL1 and location list for physical design LL1 (E)
B.2.7 Product specification PS1 (F)
B.2.8 Parts list for manufacturing/installation PL1 (G)
64 B.2.9 Transport specification (H)
B.2.10 Installation (J)
B.2.11 Commissioning (K)
B.2.12 Acceptance and individual log IL1 (L)
B.2.13 Operation and maintenance (M)
65 B.2.14 Alternative motor product individual (N)
B.2.15 Alternative motor type and supplier CT2, PS2 (P)
B.2.16 Process modification (R)
B.2.17 Location extension (S)
B.2.18 Etc. (T)
B.2.19 Closing down (U)
B.2.20 Dismantling (V)
66 B.2.21 Life cycle end (X)
B.3 Discussion on the concept “object”
B.3.1 Different meanings of “motor”
B.3.2 Definition of “object”
67 B.4 Discussion on different life cycles
68 Annex C (informative)Manipulation of objects
C.1 General
C.2 Establishment and validity of objects
C.2.1 Structuring
69 C.2.2 Ending the structuring
C.2.3 Relations between closely related objects
70 Figure C.1 – Three independently defined objects
Figure C.2 – Three separate objects with mutual relations
71 C.2.4 The roles of the reference designations set
C.2.5 Example
Figure C.3 – The three objects are merged into one
72 Figure C.4 – Overview of the process system
Figure C.5 – Tree-like structures of the system
73 Figure C.6 – Completed structures of the system
74 Figure C.7 – Structures with designated sub-objects
Figure C.8 – Structures with some merged-and-shared objects
75 Figure C.9 – Relations expressed by reference designation setsin which both designations are unambiguous
Table C.1 – Possible reference designation sets
76 C.3 Life cycle situations
C.3.1 One object for all aspects
Figure C.10 – Relations expressed by reference designation setsin which one designation is ambiguous
Figure C.11 – Situations in the beginning ofan object’s life cycle accessible from three aspects
77 C.3.2 One object for each aspect
Figure C.12 – Situations in the beginning of the life cycle of closelyrelated objects, each accessible from one aspect
79 Annex D (informative)Interpretation of reference designations using different aspects
Figure D.1 – Shift from function to product aspect
Figure D.2 – Shift from product to function aspect
80 Figure D.3 – Shift from product to location aspect
Figure D.4 – Shift from location to product aspect
81 Figure D.5 – Shift from function to location aspect
Figure D.6 – Shift from location to function aspect
82 Annex E (normative)Object represented with several top nodes in an aspect
E.1 General
E.2 Example using aspect shift in structures
Figure E.1 – Object represented with several independent top nodes in one aspect
83 E.3 Example using aspect-oriented structures
Figure E.2 – Example of multi-level reference designations using different aspectsof an object with several independent top nodes in one aspect
84 Figure E.3 – Object represented with several independent top nodesin one aspect using aspect-oriented structures
85 Annex F (informative)Examples of multiple structures based on the same aspect
F.1 Different function-oriented structures for a process plant
Figure F.1 – Illustration of the concept of additional functional viewsof an industrial process plant
86 F.2 Topographical location of a system versus locations within an assembly
Figure F.2 – Location-oriented structure of a plant
Figure F.3 – Location-oriented structure within an assembly unit
87 F.3 Different structuring for different needs
Figure F.4 – Location-oriented structures of the plant
88 Figure F.5 – Example of additional product-oriented structures
89 Annex G (normative)Incorporating sub-objects in object structures
G.1 General
G.2 Example
90 Figure G.1 – Sub-contractor’s design
Figure G.2 – Receiving organization’s design
91 Figure G.3 – Full structure of the receiving organization’s design
92 Table G.1 – Reference designations in the receiver’s design
93 Annex H (informative)Example of reference designations within a system
Figure H.1 – Process flow diagram for a material handling plant
94 Figure H.2 – Overview diagram of part of the process system (=V1)and part of the power supply system (=Q1)
95 Figure H.3 – Structure tree for parts of the material handling plant
96 Figure H.4 – Layout drawing of the components of the MCC =Q1=W1
Figure H.5 – Layout drawing indicating the location of the MCC
97 Figure H.6 – Layout drawing of the locations of the MCC =Q1=W1
Figure H.7 – Motor starter
98 Figure H.8 – Product- and location-oriented structure trees for the MCC
Table H.1 – Reference designation set for the constituents of the productsMCC and motor starter
99 Annex I (normative)Designation of relations between objects
I.1 General
I.2 Basic principles
I.3 Designation of associative relations
100 I.4 Classification of relation kinds
I.5 Example of designation of associative relations
Figure I.1 – Structure of a relation designation
101 Table I.1 – Example of classification scheme for associative relations
Table I.2 – Examples of relation designations
102 Annex J (normative)Requirements for developing sector-specific partsof the International Standard 81346 series
J.1 General
J.2 81346 framework information model
J.2.1 EXPRESS-G model
103 J.2.2 Entity descriptions
Figure J.1 – International Standard 81346 framework – An EXPRESS-G model
105 J.2.3 Enumerations – 81346_classification_domain
107 J.2.4 EXPRESS code
108 Annex K (informative)Metadata resource for structure management
109 Table K.1 – Metadata elements for reference designation systems
110 Annex L (informative)Recommendations for documentation of the applicationof the reference designation system
Table L.1 – Documentation on the application of the rules
116 Annex M (informative)Fundamental ideas for this document
M.1 General
M.2 Basic requirements for a reference designation system
M.3 Required properties for a reference designation system
117 Annex N (informative)Relationship to other standards
N.1 General
N.2 Use together with ISO/IEC/IEEE 42010:2011
N.2.1 General
N.2.2 Architecture description and architecture description language
118 N.3 Use together with IEC 61355-1:2008
N.3.1 General
N.3.2 Document designation
Figure N.1 – Principle of document designation
119 N.4 Use together with IEC 61175-1:2015
N.4.1 General
N.4.2 Signal designation
Figure N.2 – Signal designation and signal connection identification
120 N.5 Use together with IEC 61666:2010
N.5.1 General
N.5.2 Terminal designation
Figure N.3 – Principle of terminal designation
121 Bibliography

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BS EN IEC 81346-1:2022
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