EN 62056-31:2000

SLOVENSKI STANDARD
01-junij-2000
Electricity metering - Data exchange for meter reading, fariff and load control - Part
31: Use of local area networks on twisted pair with carrier signalling
Electricity metering - Data exchange for meter reading, tariff and load control -- Part 31:
Use of local area networks on twisted pair with carrier signalling
Messung der elektrischen Energie - Zählerstandsübertragung, Tarif- und Laststeuerung -
- Teil 31: Nutzung örtlicher Bereichsnetze mit Trägerfrequenz-Signalübertragung auf
verdrillten Zweidrahtleitungen
Comptage de l'électricité - Echange de données pour la lecture des compteurs, le
contrôle des tarifs et de la charge -- Partie 31: Utilisation des réseaux locaux sur paire
torsadée avec signal de porteuse
Ta slovenski standard je istoveten z: EN 62056-31:2000
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
35.240.60 Uporabniške rešitve IT v IT applications in transport
transportu in trgovini and trade
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

NORME CEI
INTERNATIONALE IEC
62056-31
INTERNATIONAL
Première édition
STANDARD
First edition
1999-11
Comptage de l'électricité – Echange de données
pour la lecture des compteurs, le contrôle des
tarifs et de la charge
Partie 31:
Utilisation des réseaux locaux sur paire torsadée
avec signal de porteuse
Electricity metering – Data exchange for meter
reading, tariff and load control
Part 31:
Use of local area networks on twisted pair with
carrier signalling
 IEC 1999 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun procédé, any form or by any means, electronic or mechanical,
électronique ou mécanique, y compris la photo-copie et les including photocopying and microfilm, without permission in
microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
XC
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue

62056-31 © IEC:1999 – 3 –
CONTENTS
Page
FOREWORD . 7
Clause
1 General. 11
1.1 Scope . 11
1.2 Normative references. 11
2 General description. 11
2.1 Basic vocabulary. 11
2.2 Layers and protocols. 13
2.3 Specification language. 13
2.4 Communication services for local bus data exchange without DLMS. 15
2.4.1 Remote reading exchange . 15
2.4.2 Remote programming exchange. 15
2.4.3 Point to point remote transfer exchange. 19
2.4.4 Broadcast remote transfer frame. 21
2.4.5 Bus initialization frame. 21
2.4.6 Forgotten station call exchange . 21
2.4.7 Frame fields. 23
2.4.8 Principle of the energy remote supply . 25
2.4.9 Non-energized station preselection exchange . 27
2.4.10 Communication exchange after preselection . 29
2.4.11 Alarm function. 29
2.5 Communication services for local bus data exchange with DLMS. 31
2.6 Systems management. 33
3 Local bus data exchange without DLMS. 33
3.1 Physical layer . 33
3.1.1 Physical-62056-31 protocol. 33
3.1.2 Physical parameters. 35
3.1.3 Timing diagrams . 39
3.1.4 Physical services and service primitives. 39
3.1.5 State transitions. 43
3.1.6 List and processing of errors. 61
3.2 Data Link layer. 63
3.2.1 Link-62056-31 protocol . 63
3.2.2 Management of exchanges . 63
3.2.3 Data Link services and service primitives. 63
3.2.4 Data Link parameters. 65
3.2.5 State transitions. 67
3.2.6 List and processing of errors. 81
3.3 Application layer . 81
3.3.1 Application-62056-31 protocol. 81
3.3.2 Application services and service primitives . 81
3.3.3 Application parameters . 83
3.3.4 State transitions. 85
3.3.5 List and processing of errors. 91

62056-31 © IEC:1999 – 5 –
Clause Page
4 Local bus data exchange with DLMS. 91
4.1 Physical layer . 91
4.2 Data Link layer. 91
4.2.1 Link-E/D protocol . 91
4.2.2 Management of exchanges . 93
4.2.3 Data Link services and service primitives. 93
4.2.4 Data Link parameters. 95
4.2.5 State transitions. 97
4.2.6 List and processing of errors. 113
4.3 Application layer . 113
4.3.1 Transport sub-layer. 113
4.3.2 Application sub-layer. 113
5 Local bus data exchange – Hardware . 115
5.1 General. 115
5.2 General characteristics . 115
5.2.1 Signal transmission at 50 kHz . 115
5.2.2 Energy supply signal transmission . 119
5.2.3 Simple Secondary Station and multiple Secondary Station. 123
5.3 Bus specification. 125
5.3.1 General characteristics . 125
5.3.2 Cable characteristics. 127
5.3.3 Wiring . 129
5.4 Magnetic plug . 129
5.4.1 Function. 129
5.4.2 Common mechanical characteristics . 131
5.4.3 Electrical Block diagram with simple plug. 133
5.4.4 Electrical Block Diagram with energy supply plug. 135
5.5 Functional specifications of Primary Station transmitter (for 50 kHz signal). 135
5.6 Functional specifications of Primary Station receiver (for 50 kHz signal) . 137
5.7 Functional specification of Secondary Station transmitter (for 50 kHz signal) . 139
5.8 Functional specifications of Secondary Station receiver (for 50 kHz signal) . 139
Annex A (normative) Specification language. 143
Annex B (normative) Timing types and characteristics. 149
Annex C (normative) List of fatal errors . 153
Annex D (normative) Coding the command code field of frames . 155
Annex E (normative) Principle of the CRC . 159
Annex F (normative) Random integer generation for response from forgotten stations. 161
Annex G (normative) Random number generation for authentication (architecture without
DLMS). 163
Annex H (normative) Systems management implementation. 165
Annex I (informative) Information about exchanges . 167

62056-31 © IEC:1999 – 7 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRICITY METERING – DATA EXCHANGE FOR METER READING,
TARIFF AND LOAD CONTROL –
Part 31: Use of local area networks on twisted pair
with carrier signalling
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International
Organization for Standardization (ISO) in accordance with conditions determined by agreement between the
two organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical reports or guides and they are accepted by the National Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
International Standard IEC 62056-31 has been prepared by IEC technical committee 13:
Equipment for electrical energy measurement and load control.
This first edition of IEC 62056-31 cancels and replaces the first edition of IEC 61142,
published in 1993, and constitutes a technical revision.
The text of this standard is based on the following documents:
FDIS Report on voting
13/1194/FDIS 13/1203/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
The International Electrotechnical Commission (IEC) draws attention to the fact that it is
claimed that compliance with this Internati
...