IEC_62055-31-2005.pdf

INTERNATIONAL STANDARD IEC62055-31 First edition2005-09 Electricity metering Payment systems Part 31:Particular requirements Static payment meters for active energy(classes 1 and 2)Reference number IEC 62055-31:2005(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC 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(www.iec.ch/searchpub)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committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC62055-31 First edition2005-09 Electricity metering Payment systems Part 31:Particular requirements Static payment meters for active energy(classes 1 and 2)IEC 2005 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 Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch XB For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 62055-31 IEC:2005(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.8 3 Terms and definitions.8 3.1 General payment metering definitions.8 3.2 Definitions of tokens.10 3.3 Definitions of token carriers.11 3.4 Definitions relating to tokens and token carriers.13 3.5 Definitions related to load switching.14 3.6 Definitions related to timekeeping and tariff control.15 4 Standard electrical values.16 5 Mechanical requirements.16 5.1 General.16 5.2 General mechanical requirements.16 5.3 Case.16 5.4 Window.16 5.5 Terminals.17 5.6 Terminal covers.17 5.7 Creepage and clearance distances.17 5.8 Insulating-encased meter of protective class II.17 5.9 Resistance to heat and fire.17 5.10 Protection against penetration of dust and water.17 5.11 Display and indicators.17 5.12 Output device.19 5.13 Marking of meter.19 5.14 Token carrier interface.19 6 Climatic requirements.19 6.1 General.19 6.2 Temperature range.20 7 Electrical requirements.21 7.1 General.21 7.2 Influence of supply voltage.22 7.3 Power consumption.24 7.4 Influence of short-time overcurrents.24 7.5 Influence of heating.25 7.6 Influence of self-heating.25 7.7 Insulation.25 7.8 Electromagnetic compatibility(EMC).25 7.9 Load switching.27 7.10 Auxiliary output switches.29 7.11 Token carrier acceptor interface test.29 8 Metering accuracy requirements.29 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.62055-31 IEC:2005(E)3 9 Functional requirements.29 9.1 General.29 9.2 Robustness of meter accounting process.30 10 Type test.31 Annex A(informative)Functional performance.32 A.1 Basic functionalities prepayment mode.32 A.2 Additional functionalities.39 A.3 System compliance requirements.41 Annex B(informative)Reference model for a payment meter.42 B.1 General.42 B.2 Generalised payment meter instance.43 B.3 Functions in a single-part payment mete