IEC INTERNATIONAL STANDARD 61850-9-1 First edition 2003-05 Communication networksand systems in substations Part 9-1: Specific Communication Service Mapping (ScSM)- Sampled values over serial unidirectional multidrop point to point link IEC Referencenumber IEC 61850-9-1:2003(E) Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1is now referred to as IEC 60034-1. Consolidated editions The IEc is now publishing consolidated versions of its publications. For example, base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2. FurtherinformationonIEC publications The technical content of IEC publications is kept under constant review by the IEC. thus ensuring that the content reflects current technology. Information relating to this.publication, including its.validity, is available in the IEc Catalogue of publications (see below) in addition to new editions, amendments and corrigenda. information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from the following: IEc Web Site (www.iec.ch) Catalogue of IEC publications The on-line catalogue on the IEC web site (http://www.iec.ch/searchpub/cur fut.htm) enables you to search by a variety of criteria including text searches, technical committees and date of publication. On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda. IEC Just Published justpub/ip entry.htm) is also available by email.Please contact the Customer Service Centre (see below) for further information. Customer Service Centre please contactthe Customer Service Centre: Email: [email protected] Tel: +41229190211 Fax: +4122 919 03 00 IEC INTERNATIONAL STANDARD 61850-9-1 First edition 2003-05 Communication networks and systems in substations Part 9-1: Specific Communication Service Mapping (ScSM)- Sampled values over serial unidirectional multidrop point to point link @ IEC 2003—Copyright -all rights reserved 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 the publisher. International Electrotechnical Commission, 3, rue de Varembe, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11Telefax: +41 22 919 03 00E-mail: [email protected]: www.iec.ch U IEC PRICE CODE Commission Electrotechnique Internationale nternationalElectrotechnical Commission MekAyHapoAHag3nekTpoTexHuyeckagKomwcCMg For price, see current catalogue