This Document Has Been Superseded
A newer publication replaces it: BSI BS EN IEC 81346-1
Industrial systems, installations and equipment and industrial product. Structuring principles and reference designations -- Basic rules
IEC 81346-1:2009, 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.
This edition includes the following substantial changes with respect to the previous one:
It has the status of a horizontal standard in accordance with IEC Guide 108.
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