BS EN 61158-4-4-2014 Industrial communication networks Fieldbus specifications Data-link layer protocol specification Type 4 elements《工业通信网络 现场总线规范 数据链路层协议规范 1型元件》.pdf

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1、BSI Standards PublicationIndustrial communication networks Fieldbus specificationsPart 4-4: Data-link layer protocol specification Type 4 elementsBS EN 61158-4-4:2014National forewordThis British Standard is the UK implementation of EN 61158-4-4:2014. It is identical to IEC 61158-4-4:2014. It supers

2、edes BS EN 61158-4-4:2008 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee AMT/7, Industrial communications: process measurement andcontrol, including fieldbus.A list of organizations represented on this committee can be obtained onrequest to its secreta

3、ry.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 79451 3ICS 25.040.40; 35.100.20; 35.110Compliance with a British

4、Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2014.Amendments issued since publicationDate Text affectedBRITISH STANDARDBS EN 61158-4-4:2014EUROPEAN STANDARD NORME EUROPENNE E

5、UROPISCHE NORM EN 61158-4-4 October 2014 ICS 25.040.40; 35.100.20; 35.110 Supersedes EN 61158-4-4:2008 English Version Industrial communication networks - Fieldbus specifications - Part 4-4: Data-link layer protocol specification - Type 4 elements (IEC 61158-4-4:2014) Rseaux de communication industr

6、iels - Spcifications des bus de terrain - Partie 4-4: Spcification du protocole de la couche liaison de donnes - Elments de type 4 (CEI 61158-4-4:2014) Industrielle Kommunikationsnetze - Feldbusse - Teil 4-4: Protokollspezifikation des Data Link Layer (Sicherungsschicht) - Typ 4-Elemente (IEC 61158-

7、4-4:2014) This European Standard was approved by CENELEC on 2014-09-19. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and biblio

8、graphical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the resp

9、onsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finl

10、and, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Elect

11、rotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. R

12、ef. No. EN 61158-4-4:2014 E BS EN 61158-4-4:2014EN 61158-4-4:2014 - 2 - Foreword The text of document 65C/762/FDIS, future edition 2 of IEC 61158-4-4, prepared by SC 65C “Industrial networks” of IEC/TC 65 “Industrial-process measurement, control and automation“ was submitted to the IEC-CENELEC paral

13、lel vote and approved by CENELEC as EN61158-4-4:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-06-19 latest date by which the national standards conflicting w

14、ith the document have to be withdrawn (dow) 2017-09-19 This document supersedes EN 61158-4-4:2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such pa

15、tent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association. Endorsement notice The text of the International Standard IEC 61158-4-4:2014 was approved by CENELEC as a European Standard without any modification. In t

16、he official version, for bibliography, the following notes have to be added for the standards indicated: IEC 61158-1 NOTE Harmonised as EN 61158-1 IEC 61158-2 NOTE Harmonised as EN 61158-2 IEC 61158-3-4 NOTE Harmonised as EN 61158-3-4 IEC 61158-5-4 NOTE Harmonised as EN 61158-5-4 IEC 61158-6-4 NOTE

17、Harmonised as EN 61158-6-4 IEC 61784-1 NOTE Harmonised as EN 61784-1 IEC 61784-2 NOTE Harmonised as EN 61784-2 BS EN 61158-4-4:2014- 3 - EN 61158-4-4:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, i

18、n whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publ

19、ication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year ISO/IEC 7498-1 - Information tec

20、hnology - Open Systems Interconnection - Basic reference model: The basic model - - ISO/IEC 7498-3 - Information technology - Open Systems Interconnection - Basic reference model: Naming and addressing - - ISO/IEC 10731 - Information technology - Open Systems Interconnection - Basic Reference Model

21、- Conventions for the definition of OSI services - - BS EN 61158-4-4:2014 2 IEC 61158-4-4:2014 IEC 2014 CONTENTS INTRODUCTION . 6 1 Scope . 7 1.1 General . 7 1.2 Specifications 7 1.3 Procedures 7 1.4 Applicability . 7 1.5 Conformance . 7 2 Normative references . 8 3 Terms, definitions, symbols and a

22、bbreviations 8 3.1 Reference model terms and definitions 8 3.2 Service convention terms and definitions . 10 3.3 Terms and definitions 11 3.4 Symbols and abbreviations 14 4 Data Link Protocol Definition 14 4.1 Overview of the DL-protocol 14 4.2 General structure and encoding of PhIDUs and DLPDUs, an

23、d related elements of procedure . 26 4.3 DLPDU-specific structure, encoding and elements of procedure 33 4.4 DL-service elements of procedure . 37 4.5 Route mechanism 40 4.6 Link-access system . 43 4.7 Local variables, counters and queues 44 Bibliography 46 Figure 1 Relationship of PhE, DLE and DLS-

24、user 15 Figure 2 DLE state diagram for confirmed and unconfirmed, unacknowledged DLPDUs 17 Figure 3 DLE state diagram for confirmed acknowledged DLPDUs . 18 Figure 4 DLE state diagram for unconfirmed acknowledged DLPDUs . 19 Figure 5 Full duplex DLE receive state diagram . 20 Figure 6 Full duplex DL

25、E transmit state diagram 20 Figure 7 Link access example 23 Figure 8 Simple Type 4-route format 29 Figure 9 Extended Type 4-route format 29 Figure 10 Complex Type 4-route format . 30 Figure 11 Immediate Type 4-route format 30 Figure 12 IP Type 4-route format . 31 Figure 13 Control-status format 32 F

26、igure 14 Data-field-format 32 Figure 15 Source / destination designator 41 Figure 16 Simple Type 4-route generation . 41 Figure 17 Extended Type 4-route generation . 41 Figure 18 Complex and IP Type 4-route generation . 42 BS EN 61158-4-4:2014IEC 61158-4-4:2014 IEC 2014 3 Figure 19 Simple DL-route g

27、eneration 42 Figure 20 Extended DL-route generation 43 Figure 21 Complex and IP DL-route generation 43 Table 1 Summary structure of DLPDUs 33 Table 2 Structure of confirmed DLPDUs . 34 Table 3 Structure of unconfirmed DLPDUs . 35 Table 4 Structure of acknowledge DLPDU . 36 Table 5 Structure of immed

28、iate-reply DLPDU . 36 BS EN 61158-4-4:2014 6 IEC 61158-4-4:2014 IEC 2014 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 standards in the set as defined by the “three-layer” fieldbus reference m

29、odel described in IEC 61158-1. The data-link protocol provides the data-link service by making use of the services available from the physical layer. The primary aim of this standard is to provide a set of rules for communication expressed in terms of the procedures to be carried out by peer data-li

30、nk entities (DLEs) at the time of communication. These rules for communication are intended to provide a sound basis for development in order to serve a variety of purposes: a) as a guide for implementors and designers; b) for use in the testing and procurement of equipment; c) as part of an agreeme

31、nt for the admittance of systems into the open systems environment; d) as a refinement to the understanding of time-critical communications within OSI. This standard is concerned, in particular, with the communication and interworking of sensors, effectors and other automation devices. By using this

32、 standard together with other standards positioned within the OSI or fieldbus reference models, otherwise incompatible systems may work together in any combination. BS EN 61158-4-4:2014IEC 61158-4-4:2014 IEC 2014 7 INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 4-4: Data-link layer p

33、rotocol specification Type 4 elements 1 Scope General 1.1The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides a means of connecting devices through a partial mesh network, such that most failures of an intercon

34、nection between two devices can be circumvented. In common practice the devices are interconnected in a non-redundant hierarchical manner reflecting application needs Specifications 1.2This standard specifies a) procedures for the timely transfer of data and control information from one data-link us

35、er entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider; b) the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data un

36、its. Procedures 1.3The procedures are defined in terms of a) the interactions between peer DL-entities (DLEs) through the exchange of fieldbus DLPDUs; b) the interactions between a DL-service (DLS) provider and a DLS-user in the same system through the exchange of DLS primitives; c) the interactions

37、 between a DLS-provider and a Ph-service provider in the same system through the exchange of Ph-service primitives. Applicability 1.4These procedures are applicable to instances of communication between systems which support time-critical communications services within the data-link layer of the OSI

38、 or fieldbus reference models, and which require the ability to interconnect in an open systems interconnection environment. Profiles provide a simple multi-attribute means of summarizing an implementations capabilities, and thus its applicability to various time-critical communications needs. Confo

39、rmance 1.5This standard also specifies conformance requirements for systems implementing these procedures. This standard does not contain tests to demonstrate compliance with such requirements. BS EN 61158-4-4:2014 8 IEC 61158-4-4:2014 IEC 2014 2 Normative references The following documents, in whol

40、e or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE All parts of the IEC 61158 series,

41、 as well as IEC 61784-1 and IEC 61784-2 are maintained simultaneously. Cross-references to these documents within the text therefore refer to the editions as dated in this list of normative references. ISO/IEC 7498-1, Information technology Open Systems Interconnection Basic Reference Model: The Bas

42、ic Model ISO/IEC 7498-3, Information technology Open Systems Interconnection Basic Reference Model: Naming and addressing ISO/IEC 10731, Information technology Open Systems Interconnection Basic Reference Model Conventions for the definition of OSI services 3 Terms, definitions, symbols and abbrevia

43、tions For the purposes of this document, the following terms, definitions, symbols and abbreviations apply. Reference model terms and definitions 3.1This standard is based in part on the concepts developed in ISO/IEC 7498-1 and ISO/IEC 7498-3, and makes use of the following terms defined therein. ca

44、lled-DL-address 3.1.1 7498-3 calling-DL-address 3.1.2 7498-3 centralized multi-end-point-connection 3.1.3 7498-1 correspondent (N)-entities 3.1.4correspondent DL-entities (N=2) correspondent Ph-entities (N=1) 7498-1 demultiplexing 3.1.5 7498-1 DL-address 3.1.6 7498-3 DL-address-mapping 3.1.7 7498-1

45、DL-connection 3.1.8 7498-1 DL-connection-end-point 3.1.9 7498-1 DL-connection-end-point-identifier 3.1.10 7498-1 DL-connection-mode transmission 3.1.11 7498-1 DL-connectionless-mode transmission 3.1.12 7498-1 DL-data-sink 3.1.13 7498-1 DL-data-source 3.1.14 7498-1 BS EN 61158-4-4:2014IEC 61158-4-4:2

46、014 IEC 2014 9 DL-duplex-transmission 3.1.15 7498-1 DL-facility 3.1.16 7498-1 DL-local-view 3.1.17 7498-3 DL-name 3.1.18 7498-3 DL-protocol 3.1.19 7498-1 DL-protocol-connection-identifier 3.1.20 7498-1 DL-protocol-control-information 3.1.21 7498-1 DL-protocol-data-unit 3.1.22 7498-1 DL-protocol-vers

47、ion-identifier 3.1.23 7498-1 DL-relay 3.1.24 7498-1 DL-service-connection-identifier 3.1.25 7498-1 DL-service-data-unit 3.1.26 7498-1 DL-simplex-transmission 3.1.27 7498-1 DL-subsystem 3.1.28 7498-1 DL-user-data 3.1.29 7498-1 flow control 3.1.30 7498-1 layer-management 3.1.31 7498-1 multiplexing 3.1

48、.32 7498-3 naming-(addressing)-authority 3.1.33 7498-3 naming-(addressing)-domain 3.1.34 7498-3 naming-(addressing)-subdomain 3.1.35 7498-3 (N)-entity 3.1.36DL-entity Ph-entity 7498-1 (N)-interface-data-unit 3.1.37DL-service-data-unit (N=2) Ph-interface-data-unit (N=1) 7498-1 (N)-layer 3.1.38DL-laye

49、r (N=2) Ph-layer (N=1) 7498-1 (N)-service 3.1.39DL-service (N=2) Ph-service (N=1) 7498-1 (N)-service-access-point 3.1.40DL-service-access-point (N=2) Ph-service-access-point (N=1) 7498-1 BS EN 61158-4-4:2014 10 IEC 61158-4-4:2014 IEC 2014 (N)-service-access-point-address 3.1.41DL-service-access-point-address (N=2) Ph-service-access-point-address (N=1)

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