IEC_PAS_62408-2005.pdf

PUBLICLY AVAILABLE SPECIFICATION IEC PAS 62408 First edition2005-06 Real-time Ethernet Powerlink(EPL)Reference number IEC/PAS 62408:2005(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committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also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.PUBLICLY AVAILABLE SPECIFICATIONIEC PAS 62408 First edition2005-06 Real-time Ethernet Powerlink(EPL)PRICE CODE 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 XM For price,see current catalogue Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 PAS 62408 IEC:2005(E)CONTENT FOREWORD.14 1 General.15 1.1 Scope and general description.15 1.1.1 Slot Communication Network Management(SCNM).15 1.1.2 EPL key features.16 1.1.3 Integration.17 1.1.4 Modular Machines.18 1.2 Normative references.19 1.3 Definitions and Abbreviations.20 1.3.1 Definitions.20 1.3.2 Abbreviations.23 2 Modelling.24 2.1 Reference Model.24 2.1.1 Application Layer.24 2.1.1.1 Service Primitives.25 2.1.1.2 Application Layer Service Types.25 2.2 Device Model.26 2.2.1 General.26 2.2.2 The Object Dictionary.27 2.2.2.1 Index and Sub-Index Usage.28 2.3 Communication Model.28 2.3.1 Master/Slave relationship.28 2.3.2 Client/Server relationship.29 2.3.3 Producer/Consumer relationship-Push/Pull model.30 2.3.4 Superimposing of Communication Relationships.30 3 Physical Layer.31 3.1 Topology.31 3.1.1 Hubs.31 3.1.2 Switches.31 3.2 Network Guidelines.31 3.3 Connectors.32 3.3.1 RJ-45.32 3.3.2 M12.32 3.3.3 Cross Over Pin Assignment.33 3.3.3.1 RJ45 to RJ45.33 3.3.3.2 M12 to M12.34 3.3.3.3 M12 to RJ45.34 3.4 Cables(recommendation).34 4 Data Link Layer.35 4.1 Modes of Operation.35 4.2 EPL Mode.35 4.2.1 Introduction.35 4.2.2 EPL Nodes.35 4.2.2.1 EPL Managing Node.35 4.2.2.2 EPL Controlled Node.36 4.2.2.2.1 Isochronous CN.36 4.2.2.2.2 Async-only CN.36 4.2.3 Services.36 4.2.4 EPL Cycle.36 4.2.4.1 Isochronous EPL Cycle.36 4.2.4.1.1 Start period.37 4.2.4.1.2 Isochronous period.37 4.2.4.1.2.1 Multiplexed Timeslots.38 4.2.4.1.3 Asynchronous period.38 4.2.4.1.3.1 Asynchronous Scheduling.39 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.PAS 62408 IEC:2005(E)3 4.2.4.1.3.2 Asynchronous Transmit Priorities.40 4.2.4.1.3.3 Distribution of the Asynchronous period.40 4.2.4.1.4 Idle Period.40 4.2.4.2 Reduced EPL Cycle.40 4.2.4.3 EPL CN Cycle State Machine.41 4.2.4.3.1 Overview.41 4.2.4.3.2 States.41 4.2.4.3.3 Events.41 4.2.4.3.4 Usage of the the NMT_CS state by the DLL_CS.42 4.2.4.3.4.1 State NMT_CS_OPERATIONAL,NMT_CS_PRE_OPERATIONAL_2,NMT_CS_READY_TO_OPERATE.42 4.2.4.3.4.1.1 Tr