IEC IEC 61850-4 Edition 2.1 2020-11 CONSOLIDATED VERSION INTERNATIONAL STANDARD colour nside Communication networks and systems for power utility automation - Part 4: System and project management IEC 61850-4:2011-04+AMD1:2020-11CSV(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2020 IEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from copyright or have an enquiry about obtaining additional rights to this publication, piease contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standardsforall electrical, electronicand relatedtechnologies. About IEC publications latest edition,a corrigendum oran amendment might havebeen published Electropedia - www.electropedia.org IECpublicationssearch-webstore.iec.ch/advsearchform The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology, containing more than 22 000 terminoiogical entries in English variety of criteria (reference number, text, technical committee...). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. Also known as the International Electrotechnical Vocabulary and withdrawn publications. (IEV) online. IEc Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEc Glossary - std.iec.ch/glossary 67 000 electrotechnical terminology entries in English and details all new publications released.Available online and once a month by email. French extracted from the Terms and definitions clause of iEC publications issued between 2002 and 2015. Some IECCustomerServiceCentre-webstore.iec.ch/csc entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR. If you wish to give us your feedback on this publication or need furtherassistance, please contact the Customer Service Centre: [email protected]. IEC IEC 61850-4 Edition 2.1 2020-11 CONSOLIDATEDVERSION INTERNATIONAL STANDARD colour inside Communication networks and systems for power utility automation - Part 4: System and project management INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.200 ISBN 978-2-8322-9038-5 Warning! Make sure that you obtained this publication from an authorized distributor. ? Registered trademark of the International Electrotechnical Commission