IEC_62026-2-2008.pdf

IEC 62026-2Edition 2.0 2008-01INTERNATIONAL STANDARD Low-voltage switchgear and controlgear Controller-device interfaces(CDIs)Part 2:Actuator sensor interface(AS-i)IEC 62026-2:2008(E)LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all 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,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.?Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 62026-2Edition 2.0 2008-01INTERNATIONAL STANDARD Low-voltage switchgear and controlgear Controller-device interfaces(CDIs)Part 2:Actuator sensor interface(AS-i)INTERNATIONAL ELECTROTECHNICAL COMMISSION XKICS 29.130.20 PRICE CODEISBN 2-8318-9512-X LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62026-2 IEC:2008(E)CONTENTS FOREWORD.7 1 Scope and object.9 2 Normative references.9 3 Terms,definitions,symbols and abbreviations.11 4 Classification.18 4.1 Overview.18 4.2 Components and interfaces.19 5 Characteristics.21 5.1 Overview.21 5.2 Signal characteristics.21 5.3 Power and data distribution.23 5.4 AS-i topology and other components.25 5.5 Communication.27 5.6 AS-i single transactions.30 5.7 AS-i combined transactions.42 5.8 AS-i error detection.59 6 Product information.60 6.1 Instructions for installation,operation and maintenance.60 6.2 Profiles.60 6.3 Marking.61 7 Normal service,mounting and transport conditions.62 7.1 Normal service conditions.62 7.2 Conditions during transport and storage.62 7.3 Mounting.63 8 Constructional and performance requirements.63 8.1 AS-i transmission medium.63 8.2 AS-i power supply.66 8.3 AS-i repeater and other components.68 8.4 AS-i slave.69 8.5 AS-i master.85 8.6 Electromagnetic compatibility(EMC).89 9 Tests.90 9.1 Kinds of tests.90 9.2 Test of transmission medium.91 9.3 Test of the AS-i power supply.92 9.4 Test of an AS-i repeater and other components.98 9.5 Test of an AS-i slave.106 9.6 Test of a AS-i master.120 Annex A(normative)Slave profiles.135 Annex B(normative)Master profiles.213 Figure 1 AS-i components and interfaces.19 Figure 2 Transmission coding.21 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62026-2 IEC:2008(E)3 Figure 3 Receiver requirements.23 Figure 4 AS-i power supply.24 Figure 5 Equivalent schematic of symmetrization and decoupling circuit.25 Figure 6 Model of the AS-i transmission medium.26 Figure 7 Transactions.28 Figure 8 Master and slave pause as viewed from master/slave point of view.28 Figure 9 Representation of the master pause.29 Figure 10 Structure of a master request.31 Figure 11 Structure of a slave response.34 Figure 12 Structure of a data exchange request(top:standard address mode;bottom:extended address mode).34 Figure 13 Structure of the slave response(Data_Exchange).35 Figure 14 Structure of the Write_Parameter request(top:standard a