Tiêu chuẩn IEC 81346 2 2009

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Tiêu chuẩn IEC 81346 2 2009

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... 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 81346-2 has been prepared by IEC. .. electrical, electronic and related technologies About IEC publications The technical content of IEC publications is kept under constant review by the IEC Please make sure that you have the latest edition,... edition, a corrigenda or an amendment might have been published ƒ Catalogue of IEC publications: www .iec. ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria (reference

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  • English

    • CONTENTS

    • FOREWORD

    • INTRODUCTION

    • 1 Scope

    • 2 Normative references

    • 3 Terms and definitions

    • 4 Classification principles

      • 4.1 General

      • 4.2 Assigning objects to classes

      • 5 Classes of objects

        • 5.1 Classes of objects according to intended purpose or task

        • 5.2 Subclasses of objects according to intended purpose or task

        • 5.3 Classes of objects according to infrastructure

        • Annex A (informative) Object-classes related to a generic process

        • Annex B (informative) Object-classes related to objects in a generic infrastructure

        • Figure 1 – Constituent objects

        • Figure 2 – The basic concept

        • Figure 3 – Classification of objects in a measuring circuit

        • Figure A.1 – Object-classes related to a process

        • Figure B.1 – Object-classes related to objects in a generic infrastructure

        • Table 1 – Classes of objects according to their intended purpose or task (Codes A to D)

        • Table 2 – Definitions and letter codes of subclasses related to main classes (Class A)

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