BS EN 62439-5-2010 Industrial communication networks - High availability automation networks - Beacon redundancy protocol (BRP)《工业通信网络 高可靠性自动化网络 信标备用协议(BRP)》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationIndustrial communication networks High availabilityautomation networksPart 5: Beacon Redundancy Protocol (BRP)BS EN 62439-5:2010National forewordThis British Standard is the UK i

2、mplementation of EN 62439-5:2010. It isidentical to IEC 62439-5:2010. Together with BS EN 62439-1:2010, BS EN 62439-2:2010, BS EN 62439-3:2010, BS EN 62439-4:2010 and BS EN 62439-6:2010, it supersedes BS EN 62439:2008 which is withdrawn.The UK participation in its preparation was entrusted to Techni

3、cal CommitteeAMT/7, Industrial communications: process measurement and control,including fieldbus.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are respons

4、ible for its correct application. BSI 2010ISBN 978 0 580 70829 9ICS 25.040.40; 35.040; 35.110Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 30 June 2010.Amendment

5、s issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 62439-5:2010EUROPEAN STANDARD EN 62439-5 NORME EUROPENNE EUROPISCHE NORM March 2010 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektr

6、otechnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62439-5:2010 E ICS 25.040; 35.040 Supersedes EN 62439:2008 (partially)English version Industrial com

7、munication networks - High availability automation networks - Part 5: Beacon Redundancy Protocol (BRP) (IEC 62439-5:2010) Rseaux de communication industrielle - Rseaux dautomatisme haute disponibilit - Partie 5 :Protocole de redondance balise (BRP) (CEI 62439-5:2010) Industrielle Kommunikationsnetze

8、 - Hochverfgbare Automatisierungsnetze - Teil 5: Funkbaken-Redundanz-Protokoll (BRP) (IEC 62439-5:2010) This European Standard was approved by CENELEC on 2010-03-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

9、Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English,

10、 French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belg

11、ium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. B

12、S EN 62439-5:2010EN 62439-5:2010 - 2 - Foreword The text of document 65C/583/FDIS, future edition 1 of IEC 62439-5, prepared by SC 65C, Industrial networks, of IEC TC 65, Industrial-process measurement, control and automation, was submitted to the IEC-CENELEC parallel vote and was approved by CENELE

13、C as EN 62439-5 on 2010-03-01. This EN 62439-5 together with EN 62439-1, EN 62439-2, EN 62439-3, EN 62439-4 and EN 62439-6 supersedes EN 62439:2008. EN 62439-5:2010 includes the following significant technical changes with respect to EN 62439:2008: adding a calculation method for RSTP (rapid spannin

14、g tree protocol, IEEE 802.1Q), adding two new redundancy protocols: HSR (High-availability Seamless Redundancy) and DRP (Distributed Redundancy Protocol), moving former Clauses 1 to 4 (introduction, definitions, general aspects) and the Annexes (taxonomy, availability calculation) to EN 62439-1, whi

15、ch serves now as a base for the other documents, moving Clause 5 (MRP) to EN 62439-2 with minor editorial changes, moving Clause 6 (PRP) was to EN 62439-3 with minor editorial changes, moving Clause 7 (CRP) was to EN 62439-4 with minor editorial changes, and moving Clause 8 (BRP) was to EN 62439-5 w

16、ith minor editorial changes, adding a method to calculate the maximum recovery time of RSTP in a restricted configuration (ring) to EN 62439-1 as Clause 8, adding specifications of the HSR (High-availability Seamless Redundancy) protocol, which shares the principles of PRP to EN 62439-3 as Clause 5,

17、 and introducing the DRP protocol as EN 62439-6. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest d

18、ate by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2013-03-01 Annex ZA has been added by CENELEC. _ BS EN 62439-

19、5:2010- 3 - EN 62439-5:2010 Endorsement notice The text of the International Standard IEC 62439-5:2010 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61158 serie

20、s NOTE Harmonized in EN 61158 series (not modified). IEC 62439-2 NOTE Harmonized as EN 62439-2. IEC 62439-3 NOTE Harmonized as EN 62439-3. IEC 62439-4 NOTE Harmonized as EN 62439-4. IEC 62439-6 NOTE Harmonized as EN 62439-6. BS EN 62439-5:2010EN 62439-5:2010 - 4 - Annex ZA (normative) Normative refe

21、rences to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (

22、including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60050-191 - International Electrotechnical Vocabulary (IEV) - Chapter 191: Dependability and qual

23、ity of service - - IEC 62439-1 2010 Industrial communication networks - High availability automation networks - Part 1: General concepts and calculation methods EN 62439-1 2010 ISO/IEC/TR 8802-1 - Information technology - Telecommunications and information exchange between systems - Local and metrop

24、olitan area networks - Specific requirements - Part 1: Overview of Local Area Network Standards - - ISO/IEC 8802-3 2000 Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 3: Carrier sense multiple

25、 access with collision detection (CSMA/CD) access method and physical layer specifications - - IEEE 802.1D - IEEE Standard for Local and Metropoitan Area Networks - Media Access Control (MAC) Bridges - - IEEE 802.1Q - IEEE Standard for Local and Metropolitan Area Networks - Virtual Bridged Local Are

26、a Networks - - BS EN 62439-5:2010 2 62439-5 IEC:2010(E) CONTENTS INTRODUCTION.6 1 Scope.7 2 Normative references .7 3 Terms, definitions, abbreviations, acronyms, and conventions7 3.1 Terms and definitions 7 3.2 Abbreviations and acronyms8 3.3 Conventions 8 4 BRP overview.8 5 BRP principle of operat

27、ion8 5.1 General .8 5.2 Network topology.8 5.3 Network components.10 5.4 Rapid reconfiguration of network traffic .11 6 BRP stack and fault detection features .11 7 BRP protocol specification13 7.1 MAC addresses.13 7.2 EtherType .13 7.3 Fault detection mechanisms 13 7.4 End node state diagram 13 7.5

28、 Beacon end node state diagram 21 8 BRP message structure27 8.1 General .27 8.2 ISO/IEC 8802-3 (IEEE 802.3) tagged frame header.28 8.3 Beacon message.28 8.4 Learning_Update message28 8.5 Failure_Notify message.29 8.6 Path_Check_Request message.29 8.7 Path_Check_Response message 29 9 BRP fault recove

29、ry time29 10 BRP service definition 30 10.1 Supported services30 10.2 Common service parameters .31 10.3 Set_Node_Parameters service 31 10.4 Get_Node_Parameters service33 10.5 Add_Node_Receive_Parameters service .35 10.6 Remove_Node_Receive_Parameters service 37 10.7 Get_Node_Status service38 11 BRP

30、 Management Information Base (MIB)39 Bibliography41 Figure 1 BRP star network example .9 Figure 2 BRP linear network example 9 Figure 3 BRP ring network example .10 Figure 4 BRP stack architecture.11 BS EN 62439-5:201062439-5 IEC:2010(E) 3 Figure 5 BRP state diagram of end node14 Figure 6 BRP state

31、diagram for beacon end node 21 Table 1 BRP end node flags 16 Table 2 BRP end node state transition table 17 Table 3 BRP beacon end node flags 23 Table 4 BRP beacon end node state transition table 24 Table 5 BRP common header with ISO/IEC 8802-3 (IEEE 802.3) tagged frame format.28 Table 6 BRP beacon

32、message format 28 Table 7 BRP Learning_Update message format.28 Table 8 BRP Failure_Notify message format29 Table 9 BRP Path_Check_Request message format 29 Table 10 BRP Path_Check_Response message format .29 Table 11 BRP Set_Node_Parameters service parameters32 Table 12 BRP Get_Node_Parameters serv

33、ice parameters .34 Table 13 BRP Add_Node_Receive_Parameters service parameters 36 Table 14 BRP Remove_Node_Receive_Parameters service parameters37 Table 15 BRP Get_Node_Status service parameters .38 BS EN 62439-5:2010 6 62439-5 IEC:2010(E) INTRODUCTION The IEC 62439 series specifies relevant princip

34、les for high availability networks that meet the requirements for industrial automation networks. In the fault-free state of the network, the protocols of the IEC 62439 series provide ISO/IEC 8802-3 (IEEE 802.3) compatible, reliable data communication, and preserve determinism of real-time data comm

35、unication. In cases of fault, removal, and insertion of a component, they provide deterministic recovery times. These protocols retain fully the typical Ethernet communication capabilities as used in the office world, so that the software involved remains applicable. The market is in need of several

36、 network solutions, each with different performance characteristics and functional capabilities, matching diverse application requirements. These solutions support different redundancy topologies and mechanisms which are introduced in IEC 62439-1 and specified in the other Parts of the IEC 62439 ser

37、ies. IEC 62439-1 also distinguishes between the different solutions, giving guidance to the user. The IEC 62439 series follows the general structure and terms of IEC 61158 series. The International Electrotechnical Commission (IEC) draws attention to the fact that it is claimed that compliance with

38、this document may involve the use of a patent concerning fault-tolerant Ethernet provided through the use of special interfaces providing duplicate ports that may be alternatively enabled with the same network address. Switching between the ports corrects for single faults in a two-way redundant sys

39、tem. This is given in Clauses 5 and 6. IEC takes no position concerning the evidence, validity and scope of this patent right. The holder of this patent right has assured the IEC that he/she is willing to negotiate licences either free of charge or under reasonable and non-discriminatory terms and c

40、onditions with applicants throughout the world. In this respect, the statement of the holder of this patent right is registered with IEC. Information may be obtained from: Rockwell Automation Technologies 1 Allen-Bradley Drive Mayfield Heights Ohio USA Attention is drawn to the possibility that some

41、 of the elements of this document may be the subject of patent rights other than those identified above. IEC shall not be held responsible for identifying any or all such patent rights. ISO (www.iso.org/patents) and IEC (http:/www.iec.ch/tctools/patent_decl.htm) maintain on-line data bases of patent

42、s relevant to their standards. Users are encouraged to consult the data bases for the most up to date information concerning patents. BS EN 62439-5:201062439-5 IEC:2010(E) 7 INDUSTRIAL COMMUNICATION NETWORKS HIGH AVAILABILITY AUTOMATION NETWORKS Part 5: Beacon Redundancy Protocol (BRP) 1 Scope The I

43、EC 62439 series is applicable to high-availability automation networks based on the ISO/IEC 8802-3 (IEEE 802.3) (Ethernet) technology. This part of the IEC 62439 series specifies a redundancy protocol that is based on the duplication of the network, the redundancy protocol being executed within the

44、end nodes, as opposed to a redundancy protocol built in the switches. Fast error detection is provided by two beacon nodes, the switchover decision is taken in every node individually. The cross-network connection capability enables single attached end nodes to be connected on either of the two netw

45、orks. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050-191, Inter

46、national Electrotechnical Vocabulary Chapter 191: Dependability and quality of service IEC 62439-1:2010, Industrial communication networks High availability automation networks Part 1: General concepts and calculation methods ISO/IEC/TR 8802-1, Information technology Telecommunications and informati

47、on exchange between systems Local and metropolitan area networks Specific requirements Part 1: Overview of Local Area Network Standards (IEEE 802.1) ISO/IEC 8802-3:2000, Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific r

48、equirements Part 3: Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications IEEE 802.1D, IEEE standard for local Local and metropolitan area networks Media Access Control (MAC) Bridges IEEE 802.1Q, IEEE standards for local and metropolitan are

49、a network. Virtual bridged local area networks 3 Terms, definitions, abbreviations, acronyms, and conventions 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-191, as well as in IEC 62439-1, apply. BS EN 62439-5:2010 8 62439-5 IEC:2010(E) 3.2 Abbreviations and acronyms For the purposes of this document, the abbreviations and acronyms given in IEC 62439-1, apply, in a

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