1、 IEC PA S 62953 Edition 1.0 2015-04 PUBLICLY A V A ILA BLE SPECIFICA TION PRE-STANDARD Industrial communication networks Fieldbus specifications IEC PA S 62953:2015-04(en)Copyright International Electrotechnical Commission THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2015 IEC,Geneva,Switzerlan
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11、IFICA TION PR E-STA NDA RD Industrial communication net works Fieldbus specifications INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 25.040.40;35.100.01 ISBN 978-2-8322-2445-8 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission Warning!Make sure that you obtained this publ
12、ication from an authorized distributor.Copyright International Electrotechnical Commission 2 IEC PAS 62953 IEC 2015 CONTENTS Industrial communication networks Fieldbus specifications Part 3-25:Data-link layer service definition Type 25 elements.6 Industrial communication networks Fieldbus specificat
13、ions Part 4-25:Data-link layer protocol specification Type 25 elements.32 Industrial communication networks Fieldbus specifications Part 5-25:Application layer service definition Type 25 elements.94 Industrial communication networks Fieldbus specifications Part 6-25:Application layer protocol specif
14、ication Type 25 elements.158 CPF20 input for IEC 61784-2:Industrial communication networks Profiles Part 2:Additional fieldbus profiles for real-time networks based on ISO/IEC 8802-3.270 Copyright International Electrotechnical Commission IEC PAS 62953 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMI
15、SSION _ INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS AND PROFILES ADS-NET FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to pro
16、mote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.
