1、 IEC 61158-3-21 Edition 1.0 2010-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Fieldbus specifications Part 3-21: Data-link layer service definition Type 21 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 3-21: Dfinition des ser
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16、nous: csciec.ch. IEC 61158-3-21 Edition 1.0 2010-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Fieldbus specifications Part 3-21: Data-link layer service definition Type 21 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 3-21: D
17、finition des services de couche liaison de donnes Elments de Type 21 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 25.04.40; 35.100.20; 35.110 PRICE CODE CODE PRIX ISBN 978-2-88912-856-3 Registered trademark of the International Electrotechnical Commissio
18、n Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61158-3-21 IEC:2010 CONTENTS FOREWORD . 4 INTRODUCT
19、ION . 6 1 Scope . 7 1.1 Overview . 7 1.2 Specifications 7 1.3 Conformance . 7 2 Normative references . 8 3 Terms, definitions, symbols, abbreviations, and conventions 8 3.1 Reference model terms and definitions 8 3.2 Service convention terms and definitions . 10 3.3 Data link service terms and defin
20、itions 10 3.4 Symbols and abbreviations 13 3.5 Conventions 14 4 Data-link layer services and concepts . 15 4.1 General . 15 4.2 Detailed description of the data service . 19 4.3 Detailed description of the sporadic data service . 21 4.4 Detailed description of network control message service . 23 5
21、Data link management services 26 5.1 General . 26 5.2 Data link management service (DLMS) facilities 26 5.3 Data link management service (DLMS) 26 5.4 Overview of interactions 27 5.5 Detailed specification of service and interactions. 29 6 MAC control service . 37 6.1 General . 37 6.2 MAC control se
22、rvice 37 6.3 Overview of interactions 37 6.4 Detailed specification of service and interactions. 38 7 Ph-control service 40 7.1 General . 40 7.2 Ph-control service . 40 7.3 Overview of interactions 40 7.4 Detailed specification of service and interactions. 41 Bibliography 44 Figure 1 Full-duplex flo
23、w control 16 Figure 2 Sequence diagram of DL-DATA service . 16 Figure 3 Sequence diagram of DL-SPDATA service . 17 Figure 4 Sequence diagram of NCM service primitive 17 Figure 5 Relationships of DLSAPs, DLSAP-addresses, and group DL-addresses . 18 Figure 6 DL-DATA service . 19 Figure 7 Sequence diag
24、ram of Reset, Set-value, Get-value, SAP-allocation, SAP- deallocation, Get-SAP information and Get-diagnostic information service primitives 28 Figure 8 Sequence diagram of Event service primitive . 29 61158-3-21 IEC:2010 3 Figure 9 Sequence diagram of MAC-reset and MAC-forward-control service primi
25、tive 38 Figure 10 Sequence diagram of Ph-reset and Ph-get-link-status service primitive 41 Figure 11 Sequence diagram of Ph-link-status-change service primitive 41 Table 1 Destination DL-address . 18 Table 2 Primitives and parameters used in DL-DATA service . 20 Table 3 DL-DATA Primitives and Parame
26、ters . 20 Table 4 Primitives and parameters used in DL-SPDATA service 22 Table 5 DL-SPDATA Primitives and Parameters 22 Table 6 Primitives and parameters used on DL-NCM_SND service 23 Table 7 DL-NCM_SND Primitives and Parameters . 24 Table 8 Summary of Network Control Message Type . 25 Table 9 Summa
27、ry of DL-management primitives and parameters . 28 Table 10 DLM-RESET primitives and parameters . 29 Table 11 DLM-SET_VALUE primitives and parameters 30 Table 12 DLM-GET_VALUE primitives and parameters 31 Table 13 DLM-SAP_ALLOC primitives and parameters 32 Table 14 DLM-SAP_DEALLOC primitives and par
28、ameters . 33 Table 15 DLM-GET_SAP_INFO primitives and parameters 33 Table 16 DLM-GET_DIAG primitives and parameters . 34 Table 17 DLM-EVENT primitives and parameters . 35 Table 18 DLM event identifier 36 Table 19 DLM-GET_PATH primitives and parameters 36 Table 20 Summary of MAC control primitives an
29、d parameters 38 Table 21 MAC-RESET primitives and parameters 38 Table 22 MAC-FW_CTRL primitives and parameters . 39 Table 23 Summary of Ph-control primitives and parameters . 40 Table 24 Ph-RESET primitives and parameters 41 Table 25 Ph-GET_LINK_STATUS primitives and parameters . 42 Table 26 Ph-LINK
30、_STATUS _CHANGE primitives and parameters 43 4 61158-3-21 IEC:2010 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 3-21: Data-link layer service definition Type 21 elements FOREWORD 1) The International Electrotechnical Commission (IEC) is a
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40、IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the su
41、bject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. NOTE 1 Use of some of the associated protocol types is restricted by their intellectual-property-right holders. In all cases, the commitment to limited release of intellectual-property-rights mad
42、e by the holders of those rights permits a particular data-link layer protocol type to be used with physical layer and application layer protocols in type combinations as specified explicitly in profile parts. Use of the various protocol types in other combinations may require permission of their re
43、spective intellectual-property-right holders. International Standard IEC 61158-3-21:2010 has been prepared by subcommittee 65C: Industrial networks, of IEC technical committee 65: Industrial-process measurement, control and automation. This standard cancels and replaces IEC/PAS 62573 published in 20
44、08. This first edition constitutes a technical revision. 61158-3-21 IEC:2010 5 This bilingual version published in 2012-01 corresponds to the English version published in 2010-08. The text of this standard is based on the following documents: FDIS Report on voting 65C/604/FDIS 65C/618/RVD Full infor
45、mation on the voting for the approval of this standard can be found in the report on voting indicated in the above table. The French version has not been voted upon. This publication has been drafted in accordance with ISO/IEC Directives, Part 2. A list of all parts of the IEC 61158 series, publishe
46、d under the general title Industrial 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 dat
47、a related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. NOTE 2 The revision of this standard will be synchronized with the other parts of the IEC 61158 series. 6 61158-3-21 IEC:2010 INTRODUCTION This part of IEC
48、61158 is one of a series produced to facilitate the interconnection of automation system components. It is related to other standards in the set as defined by the “three-layer” fieldbus reference model described in IEC/TR 61158-1. Throughout the set of fieldbus standards, the term “service” refers t
49、o the abstract capability provided by one layer of the OSI Basic Reference Model to the layer immediately above. Thus, the data-link layer service defined in this standard is a conceptual architectural service, independent of administrative and implementation divisions. 61158-3-21 IEC:2010 7 INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS
