1、BSI Standards PublicationIndustrial communication networks Fieldbus specificationsPart 4-12: Data-link layer protocol specification Type 12 elementsBS EN 61158-4-12:2014National forewordThis British Standard is the UK implementation of EN 61158-4-12:2014. It isidentical to IEC 61158-4-12:2014. It su
2、persedes BS EN 61158-4-12:2012which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee AMT/7, Industrial communications: process measurement andcontrol, including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 sec
3、retary.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 79443 8ICS 25.040.40; 35.100.20; 35.110Compliance with a Brit
4、ish 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/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61158-4-12:2014EUROPEAN STANDARDNO
5、RME EUROPENNEEUROPISCHE NORMEN 61158-4-12 October 2014 ICS 25.040.40; 35.100.20; 35.110 Supersedes EN 61158-4-12:2012 English Version Industrial communication networks - Fieldbus specifications - Part 4-12: Data-link layer protocol specification - Type 12elements (IEC 61158-4-12:2014) Rseaux de comm
6、unication industriels - Spcifications des bus de terrain - Partie 4-12: Spcification du protocole de la couche liaison de donnes - lments de type 12 (CEI 61158-4-12:2014) Industrielle Kommunikationsnetze - Feldbusse - Teil 4-12:Protokollspezifikation des Data Link Layer(Sicherungsschicht) - Typ 12-E
7、lemente (IEC 61158-4-12:2014) 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-d
8、ate lists and bibliographical 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 transl
9、ation under the responsibility 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, Den
10、mark, Estonia, Finland, 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
11、Committee for Electrotechnical Standardization Comit Europen de Normalisation ElectrotechniqueEuropisches 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
12、CENELEC Members. Ref. No. EN 61158-4-12:2014 E EN 61158-4-12:2014 - 2 - Foreword The text of document 65C/762/FDIS, future edition 3 of IEC 61158-4-12, prepared by SC 65C “Industrial networks” of IEC/TC 65 “Industrial-process measurement, control and automation“ was submitted to the IEC-CENELEC para
13、llel vote and approved by CENELEC as EN 61158-4-12:2014. 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 conflictin
14、g with the document have to be withdrawn (dow) 2017-09-19 This document supersede EN 61158-4-12 :2012. 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 suc
15、h patent 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 61158-4-12:2014 was approved by CENELEC as a European Standard without any modification.
16、 In the official version, for bibliography, the following notes have to be added for the standards indicated: IEC 61131-2 NOTE Harmonised as EN 61131-2 IEC 61131-3 NOTE Harmonised as EN 61131-3 IEC 61158-1:2014 NOTE Harmonised as EN 61158-1:2014 IEC 61158-2:2014 NOTE Harmonised as EN 61158-2:2014 IE
17、C 61158-5-12:2014 NOTE Harmonised as EN 61158-5-12:2014 IEC 61158-6-12 NOTE Harmonised as EN 61158-6-12 IEC 61784-1 NOTE Harmonised as EN 61784-1 IEC 61784-2 NOTE Harmonised as EN 61784-2 BS EN 61158-4-12:2014- 3 - EN 61158-4-12:2014 Annex ZA (normative) Normative references to international publica
18、tions with their corresponding European publications The following documents, in 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
19、 document (including any amendments) applies. NOTE 1 When an International Publication 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
20、.cenelec.eu. Publication Year Title EN/HD Year IEC 61158-3-12 - Industrial communication networks - Fieldbus specifications Part 3-12: Data-link layer service definition - Type 12 elements EN 61158-3-12 - IEC 61588 - Precision clock synchronization protocol for networked measurement and control syst
21、ems - - ISO/IEC 7498-1 - Information technology - 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 8802-3 2000 Information technology - Telecommu
22、nications and information exchange between systems - Local and metropolitan area networks - Specific requirements Part 3: Carrier sense multiple access with collision detection (CSMA/CD) access method and physical layer specifications - - ISO/IEC 9899 - Information technology - Programming languages
23、 - C - - ISO/IEC 10731 - Information technology - Open Systems Interconnection - Basic Reference Model - Conventions for the definition of OSI services - - IEEE 802.1Q - IEEE Standard for Local and metropolitan area networks - Media Access Control (MAC) Bridges and Virtual Bridges - - IETF RFC 768 -
24、 User Datagram Protocol - - IETF RFC 791 - Internet Protocol - DARPA Internet Program Protocol Specification - - BS EN 61158-4-12:2014 2 IEC 61158-4-12:2014 IEC 2014 CONTENTS NTRODUCTION 9 1 Scope . 10 1.1 General . 10 1.2 Specifications 10 1.3 Procedures 10 1.4 Applicability . 10 1.5 Conformance .
25、10 2 Normative references . 11 3 Terms, definitions, symbols, abbreviations and conventions . 11 3.1 Reference model terms and definitions 11 3.2 Service convention terms and definitions . 12 3.3 Common terms and definitions 13 3.4 Additional Type 12 definitions 13 3.5 Common symbols and abbreviatio
26、ns . 16 3.6 Additional Type 12 symbols and abbreviations 17 3.7 Conventions 18 4 Overview of the DL-protocol . 23 4.1 Operating principle 23 4.2 Topology . 23 4.3 Frame processing principles 23 4.4 Data-link layer overview 24 4.5 Error detection overview 25 4.6 Node reference model . 25 4.7 Operatio
27、n overview . 26 5 Frame structure 27 5.1 Frame coding principles 27 5.2 Data types and encoding rules 27 5.3 DLPDU structure . 29 5.4 Type 12 DLPDU structure 32 5.5 Network variable structure . 48 5.6 Type 12 mailbox structure . 48 6 Attributes 50 6.1 Management . 50 6.2 Statistics . 65 6.3 Watchdog
28、s 68 6.4 Slave information interface 71 6.5 Media independent interface (MII) . 75 6.6 Fieldbus memory management unit (FMMU) 79 6.7 Sync manager . 82 6.8 Distributed clock 89 7 DL-user memory . 93 7.1 Overview . 93 7.2 Mailbox access type 94 7.3 Buffered access type . 96 BS EN 61158-4-12:2014IEC 61
29、158-4-12:2014 IEC 2014 3 8 Type 12: FDL protocol state machines . 97 8.1 Overview of slave DL state machines 97 8.2 State machine description . 98 Annex A (informative) Type 12: Additional specifications on DL-Protocol state machines 106 A.1 DHSM . 106 A.2 SYSM 124 A.3 RMSM . 136 Bibliography 140 Fi
30、gure 1 Type description example 19 Figure 2 Common structure of specific fields 20 Figure 3 Frame structure 24 Figure 4 Mapping of data in a frame . 25 Figure 5 Slave node reference model . 26 Figure 6 Type 12 PDUs embedded in Ethernet frame . 27 Figure 7 Type 12 PDUs embedded in UDP/IP 27 Figure 8
31、DL information type description 52 Figure 9 Address type description 54 Figure 10 DL control type description . 55 Figure 11 DL status type description 58 Figure 12 Successful write sequence to DL-user control register . 59 Figure 13 Successful read sequence to the DL-user status register . 60 Figur
32、e 14 RX error counter type description . 66 Figure 15 Lost link counter type description . 67 Figure 16 Additional counter type description . 68 Figure 17 Watchdog divider type description 68 Figure 18 DLS-user Watchdog divider type description 69 Figure 19 Sync manager watchdog type description . 6
33、9 Figure 20 Sync manager watchdog status type description 70 Figure 21 Watchdog counter type description . 71 Figure 22 Slave information interface access type description . 71 Figure 23 Slave information interface control/status type description . 73 Figure 24 Slave information interface address ty
34、pe description 74 Figure 25 Slave information interface data type description . 75 Figure 26 MII control/status type description 76 Figure 27 MII address type description 78 Figure 28 MII data type description 78 Figure 29 MII access type description 79 Figure 30 FMMU mapping example 80 Figure 31 FM
35、MU entity type description . 81 Figure 32 SyncM mailbox interaction 83 Figure 33 SyncM buffer allocation 83 Figure 34 SyncM buffer interaction 84 BS EN 61158-4-12:2014 4 IEC 61158-4-12:2014 IEC 2014 Figure 35 Handling of write/read toggle with read mailbox . 85 Figure 36 Sync manager channel type de
36、scription . 87 Figure 37 Distributed clock local time parameter type description 91 Figure 38 Successful write sequence to mailbox 94 Figure 39 Bad write sequence to mailbox . 95 Figure 40 Successful read sequence to mailbox . 95 Figure 41 Bad read sequence to mailbox . 96 Figure 42 Successful write
37、 sequence to buffer . 96 Figure 43 Successful read sequence to buffer 97 Figure 44 Structuring of the protocol machines of an slave 98 Figure 45 Slave information interface read operation . 100 Figure 46 Slave information interface write operation . 101 Figure 47 Slave information interface reload o
38、peration 102 Figure 48 Distributed clock 104 Figure 49 Delay measurement sequence . 105 Table 1 PDU element description example . 19 Table 2 Example attribute description 20 Table 3 State machine description elements 22 Table 4 Description of state machine elements 22 Table 5 Conventions used in sta
39、te machines . 22 Table 6 Transfer Syntax for bit sequences . 28 Table 7 Transfer syntax for data type Unsignedn . 28 Table 8 Transfer syntax for data type Integern . 29 Table 9 Type 12 frame inside an Ethernet frame 30 Table 10 Type 12 frame inside an UDP PDU 30 Table 11 Type 12 frame structure cont
40、aining Type 12 PDUs 31 Table 12 Type 12 frame structure containing network variables . 31 Table 13 Type 12 frame structure containing mailbox 32 Table 14 Auto increment physical read (APRD) 32 Table 15 Configured address physical read (FPRD) . 33 Table 16 Broadcast read (BRD) . 35 Table 17 Logical r
41、ead (LRD) 36 Table 18 Auto Increment physical write (APWR) 37 Table 19 Configured address physical write (FPWR) 38 Table 20 Broadcast write (BWR) 39 Table 21 Logical write (LWR) . 40 Table 22 Auto increment physical read write (APRW) 41 Table 23 Configured address physical read write (FPRW) 42 Table
42、 24 Broadcast read write (BRW) 44 Table 25 Logical read write (LRW) . 45 Table 26 Auto increment physical read multiple write (ARMW) . 46 Table 27 Configured address physical read multiple write (FRMW) 47 BS EN 61158-4-12:2014IEC 61158-4-12:2014 IEC 2014 5 Table 28 Network variable . 48 Table 29 Mai
43、lbox . 49 Table 30 Error Reply Service Data . 49 Table 31 DL information . 52 Table 32 Configured station address 54 Table 33 DL control . 55 Table 34 DL status . 58 Table 35 DLS-user specific registers 60 Table 36 DLS-user event . 62 Table 37 DLS-user event mask 63 Table 38 External event . 64 Tabl
44、e 39 External event mask 65 Table 40 RX error counter 66 Table 41 Lost link counter 67 Table 42 Additional counter . 68 Table 43 Watchdog divider . 69 Table 44 DLS-user watchdog . 69 Table 45 Sync manager channel watchdog 70 Table 46 Sync manager watchdog Status 70 Table 47 Watchdog counter . 71 Tab
45、le 48 Slave information interface access 71 Table 49 Slave information interface control/status 73 Table 50 Actual slave information interface address 75 Table 51 Actual slave information interface data 75 Table 52 MII control/status . 76 Table 53 Actual MII address. 78 Table 54 Actual MII data 78 T
46、able 55 MII access . 79 Table 56 Fieldbus memory management unit (FMMU) entity 81 Table 57 Fieldbus memory management unit (FMMU) 82 Table 58 Sync manager channel 87 Table 59 Sync manager Structure 89 Table 60 Distributed clock local time parameter . 91 Table 61 Distributed clock DLS-user parameter
47、. 93 Table A.1 Primitives issued by DHSM to PSM 106 Table A.2 Primitives issued by PSM to DHSM 106 Table A.3 Parameters used with primitives exchanged between DHSM and PSM . 106 Table A.4 Identifier for the octets of a Ethernet frame 107 Table A.5 DHSM state table . 109 Table A.6 DHSM function table
48、 . 124 Table A.7 Primitives issued by SYSM to DHSM 124 Table A.8 Primitives issued by DHSM to SYSM 125 Table A.9 Primitives issued by DL-User to SYSM . 125 BS EN 61158-4-12:2014 6 IEC 61158-4-12:2014 IEC 2014 Table A.10 Primitives issued by SYSM to DL-User . 125 Table A.11 Parameters used with primitives exchanged between SYSM and DHSM 125 Table A.12 SYSM state table . 127 Table A.13 SYSM function table 136 Table A.14 Primitives issued by RMSM to SYSM . 136 Table A.15 Primitives issued by SYSM to RMSM . 137 Table A.16 Parameters used with primitives exchange
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