1、4844891060523396TValidite de la presente publicationValidity of this publicationLe contenu technique des publications de la CEI est cons-The technical content of IEC publications is kept undertamment revu par la CEI afin quil reflete 1etat actuel deconstant review by the IEC,thus ensuring that the c
2、ontentla technique.reflects current technology.Des renseignements relatifs a la date de reconfirmation deInformation relating to the date of the reconfirmation ofla publication sont disponibles aupres du Bureau Centralthe publication is available from the IEC Central Office.de la CEI.Les renseigneme
3、nts relatifs a ces revisions,a letablis-Information on the revision work,the issue of revisedsement des editions revisees et aux amendements peuventeditions and amendments may be obtained from IECetre obtenus aupres des Comites nationaux de la CEI etNational Committees and from the following IEC sou
4、rces:dans les documents ci-dessous:Bulletin de la CEIIEC BulletinAnnuaire de la CEIIEC YearbookPublie annuellementPublished yearlyCatalogue des publications de la CEICatalogue of IEC publicationsPublie annuellement et mis a jour regulierementPublished yearly with regular updatesTerminologieTerminolo
5、gyEn ce qui concerne la terminologie generale,le lecteur seFor general terminology.readers are referred to IEC 50:reportera a la CEI 50:Vocabulaire Electrotechnique Inter-International Electrotechnical Vocabulary(IEV),whichnational(VEI),qui se presente sous forme de chapitresis issued in the form of
6、 separate chapters each dealingsepares traitant chacun dun sujet defini.Des detailswith a specific field.Full details of the IEV will becomplets sur le VEI peuvent atre obtenus sur demande.supplied on request.See also the IEC MultilingualVoir egalement le dictionnaire multilingue de la CEI.Dictionar
7、y.Les termes et definitions figurant dans la presente publi-The terms and definitions contained in the present publi-cation ont ete soit tires du VEI,soit specifiquementcation have either been taken from the IEV or have beenapprouves aux fins de cette publication.specifically approved for the purpos
8、e of this publication.Symboles graphiques et litterauxGraphical and letter symbolsPour les symboles graphiques,les symboles litteraux et lesFor graphical symbols,and letter symbols and signssignes dusage general approuves par la CEI,le lecteurapproved by the IEC for general use,readers are referredc
9、onsultera:to publications:la CEI 27:Symboles litteraux a utiliser en electro-IEC 27:Letter symbols to be used in electricaltechnique:technology:la CEI 417:Symboles graphiques utilisables sur leIEC 417:Graphical symbols for use on equip-materiel.Index,releve et compilation des feuillesment.Index,surv
10、ey and compilation of the singleindividuelles;sheets:la CEI 617:Symboles graphiques pour schemas:IEC 617:Graphical symbols for diagrams:et pour les appareils electromedicaux,and for medical electrical equipment,la CEI 878:Symboles graphiques pour quipementsIEC 878:Graphical symbols for electromedica
11、lelectriques en pratique medicale.equipment in medical practice.Les symboles et signes contenus dans la presente publi-The symbols and signs contained in the present publi-cation ont ete soit tires de la CEI 27,de la CEI 417,decation have either been taken from IEC 27,IEC 417,la CEI 617 et/ou de la
12、CEI 878,soit specifiquementIEC 617 and/or IEC 878,or have been specifically appro-approuves aux fins de cette publication.ved for the purpose of this publication.Publications de la CEI etablies par le memeIEC publications prepared by the samecomite detudestechnical committeeLattention du lecteur est
13、 attiree sur les listes figurant a laThe attention of readers is drawn to the end pages of thisfin de cette publication,qui enumerent les publications depublication which list the IEC publications issued byla CEI preparees par le comite detudes qui a etabli lathe technical committee which has prepar
14、ed the presentpresente publication.publication.a48448910605236679题13611EC:1995-3-CONTENTS1Scope.72 Interpretation of tables.3 Performance requirements.7.93.1 Meter reading(see table 1).93.2Customer service(see table 2).153.3Tariffs and billing(see table 3).293.4Load/supply management(see table 4).41
15、3.5Quality of service(see table 5).453.6 Equipment/system checks(see table 6).493.7 Data messages and value added services(see table 7).553.8 Distribution system automation(DSA)(see table 8).59Annex A:Explanation of headings in tables 1 to 8.65Tables1-Meter reading.32-CUSt0 mer service.233-Tariffs and billing.354 Load/supply management.435-Quality0 f service476-Equipment system checks.537-Data messages for value added services.578-Distribution system automation(DSA).63A.1 Performance categories 1 to 5-Definition.67