1、 IEC 61158-3-19 Edition 3.0 2014-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Fieldbus specifications Part 3-19: Data-link layer service definition Type 19 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 3-19: Dfinition des ser
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20、mmunication networks Fieldbus specifications Part 3-19: Data-link layer service definition Type 19 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 3-19: Dfinition des services de la couche liaison de donnes Elments de type 19 INTERNATIONAL ELECTROTECHNICAL COMMIS
21、SION COMMISSION ELECTROTECHNIQUE INTERNATIONALE T ICS 25.040.40; 35.100.20; 35.110 PRICE CODE CODE PRIX ISBN 978-2-8322-1716-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this
22、 publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61158-3-19:2014 IEC 2014 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope . 6 1.1 General . 6 1.2 Specifications 6 1.3 Conformance . 6 2 Normative referen
23、ces . 7 3 Terms, definitions, symbols, abbreviations and conventions . 7 3.1 Reference model terms and definitions 7 3.2 Service convention terms and definitions . 8 3.3 Data-link service terms and definitions 9 3.4 Symbols and abbreviations 12 3.5 Common conventions 14 4 Data-link services and conc
24、epts . 15 4.1 Overview . 15 4.2 Service channel services (SVC services) . 16 4.3 Hot-plug services 18 4.4 Realtime channel setup services (RTCS services) . 19 4.5 RTC services . 21 Bibliography 24 Figure 1 Relationships of DLSAPs, DLSAP-addresses and group DL-addresses 11 Table 1 Summary of DL servi
25、ces and primitives . 15 Table 2 Read (RD) . 17 Table 3 Write (WR) 18 Table 4 Enable_Hotplug (EHP) 19 Table 5 Notify_Hotplug (NHP) 19 Table 6 Initiate_cyclic_communication (ICC) 20 Table 7 Disable_cyclic_communication (DCC) . 21 Table 8 Notify_Error (NER) 21 Table 9 Write_cyclic (WRC) . 21 Table 10 S
26、end_Device_Status (SDS) . 22 Table 11 Write_Device_Status (WDS) 23 Table 12 Notify_Network_Status_Change (NNSC) . 23 IEC 61158-3-19:2014 IEC 2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 3-19: Data-link layer service definition Type
27、 19 elements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardi
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37、o the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. Attention is drawn to the fact that the use of the associated protocol type is restricted by its intellectual-prop
38、erty-right holders. In all cases, the commitment to limited release of intellectual-property-rights made by the holders of those rights permits a layer protocol type to be used with other layer protocols of the same type, or in other type combinations explicitly authorized by its intellectual-proper
39、ty-right holders. NOTE Combinations of protocol types are specified in IEC 61784-1 and IEC 61784-2. International Standard IEC 61158-3-19 has been prepared by subcommittee 65C: Industrial networks, of IEC technical committee 65: Industrial-process measurement, control and automation. This third edit
40、ion cancels and replaces the second edition published in 2010.This edition constitutes a technical revision. The main changes with respect to the previous edition are listed below: 4 IEC 61158-3-19:2014 IEC 2014 introducing connections based on a producer-consumer model; introducing additional mecha
41、nisms to realize features such as timestamping and oversampling; improving the hotplug and redundancy features; improving the phase switching and the error handling; editorial improvements. The text of this standard is based on the following documents: FDIS Report on voting 65C/759/FDIS 65C/769/RVD
42、Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with ISO/IEC Directives, Part 2. A list of all parts of the IEC 61158 series, published under the general title Industri
43、al communication networks Fieldbus specifications, can be found on the IEC web site. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publicat
44、ion. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IEC 61158-3-19:2014 IEC 2014 5 INTRODUCTION This part of IEC 61158 is one of a series produced to facilitate the interconnection of automation system components. It is related to other stand
45、ards in the set as defined by the “three-layer” fieldbus reference model described in IEC 61158-1. Throughout the set of fieldbus standards, the term “service” refers to the abstract capability provided by one layer of the OSI Basic Reference Model to the layer immediately above. Thus, the data-link
46、 layer service defined in this standard is a conceptual architectural service, independent of administrative and implementation divisions. 6 IEC 61158-3-19:2014 IEC 2014 INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 3-19: Data-link layer service definition Type 19 elements 1 Scope G
47、eneral 1.1 This standard provides common elements for basic time-critical messaging communications between devices in an automation environment. The term “time-critical” is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with s
48、ome defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life. This standard defines in an abstract way the externally visible service provided by
49、the Type 19 fieldbus data-link layer in terms of a) the primitive actions and events of the service; b) the parameters associated with each primitive action and event, and the form which they take; and c) the interrelationship between these actions and events, and their valid sequences. The purpose of this standard is to define the services provided to the Type 19 fieldbu
