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1、 IEC 61158-4-3 Edition 1.0 2007-12 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-3: Data-link layer protocol specification Type 3 elements IEC 61158-4-3:2007(E) Copyright International Electrotechnical Commission Provided by IHS under license with IECLicense
2、e=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:47:48 MSTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this p
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10、icensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:47:48 MSTNo reproduction or networking permitted without license from IHS -,-,- IEC 61158-4-3 Edition 1.0 2007-12 INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-3: Data-link layer
11、 protocol specification Type 3 elements INTERNATIONAL ELECTROTECHNICAL COMMISSION XH ICS 35.100.20; 25.040.40 PRICE CODE ISBN 2-8318-9429-8 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/
12、01/2008 21:47:48 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 61158-4-3 IEC:2007(E) CONTENTS FOREWORD.6 INTRODUCTION.8 1 Scope.9 1.1 General.9 1.2 Specifications9 1.3 Procedures9 1.4 Applicability.9 1.5 Conformance.10 2 Normative references .10 3 Terms, definitions, sy
13、mbols and abbreviations10 3.1 Reference model terms and definitions10 3.2 Service convention terms and definitions.12 3.3 Common terms and definitions 13 3.4 Additional Type 3 definitions15 3.5 Common symbols and abbreviations .17 3.6 Type 3 symbols and abbreviations.18 4 Common DL-protocol elements
14、.22 4.1 Frame check sequence .22 5 Overview of the DL-protocol .24 5.1 General.24 5.2 Overview of the medium access control and transmission protocol25 5.3 Transmission modes and DL-entity26 5.4 Service assumed from the PhL31 5.5 Operational elements 34 5.6 Cycle and system reaction times .50 6 Gene
15、ral structure and encoding of DLPDUs, and related elements of procedure 53 6.1 DLPDU granularity 53 6.2 Length octet (LE, LEr) .54 6.3 Address octet 55 6.4 Control octet (FC)57 6.5 DLPDU content error detection61 6.6 DATA_UNIT 62 6.7 Error control procedures62 7 DLPDU-specific structure, encoding an
16、d elements of procedure.64 7.1 DLPDUs of fixed length with no data field64 7.2 DLPDUs of fixed length with data field.65 7.3 DLPDUs with variable data field length67 7.4 Token DLPDU .68 7.5 ASP DLPDU 69 7.6 SYNCH DLPDU.69 7.7 Time Event (TE) DLPDU69 7.8 Clock Value (CV) DLPDU 69 7.9 Transmission pro
17、cedures 70 8 Other DLE elements of procedure.73 8.1 DL-entity initialization73 8.2 States of the media access control of the DL-entity .73 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/0
18、1/2008 21:47:48 MSTNo reproduction or networking permitted without license from IHS -,-,- 61158-4-3 IEC:2007(E) 3 8.3 Clock synchronization protocol79 Annex A (normative) DL-Protocol state machines 84 A.1 Overall structure84 A.2 Variation of state machines in different devices.85 A.3 DL Data Resourc
19、e.86 A.4 FLC / DLM.91 A.5 MAC115 A.6 SRU 143 Annex B (informative) Type 3 (synchronous): exemplary FCS implementations161 Annex C (informative) Type 3: Exemplary token procedure and message transfer periods .163 C.1 Procedure of token passing.163 C.2 Examples for token passing procedure 164 C.3 Exam
20、ples for message transfer periods asynchronous transmission.169 C.4 Examples for message transfer periods synchronous transmission.170 Bibliography171 Figure 1 Relationships of DLSAPs, DLSAP-addresses and group DL-addresses14 Figure 2 Logical token-passing ring .27 Figure 3 PhL data service for asyn
21、chronous transmission31 Figure 4 Idle time TID137 Figure 5 Idle time TID2 (SDN, CS) .37 Figure 6 Idle time TID2 (MSRD).38 Figure 7 Slot time TSL1.38 Figure 8 Slot time TSL2.39 Figure 9 Slot time TSL1.44 Figure 10 Slot time TSL2.44 Figure 11 Token transfer period.50 Figure 12 Message transfer period.
22、51 Figure 13 UART character .53 Figure 14 Octet structure .54 Figure 15 Length octet coding54 Figure 16 Address octet coding55 Figure 17 DAE/SAE octet in the DLPDU.56 Figure 18 Address extension octet.56 Figure 19 FC octet coding for send/request DLPDUs .57 Figure 20 FC octet coding for acknowledgem
23、ent or response DLPDUs 58 Figure 21 FCS octet coding61 Figure 22 Data field .62 Figure 23 Ident user data.62 Figure 24 DLPDUs of fixed length with no data field.64 Figure 25 DLPDUs of fixed length with no data field.65 Figure 26 DLPDUs of fixed length with data field .66 Figure 27 DLPDUs of fixed le
24、ngth with data field .66 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:47:48 MSTNo reproduction or networking permitted without license from IHS -,-,- 4 61158-4-3 IEC:2007(E)
25、Figure 28 DLPDUs with variable data field length.67 Figure 29 DLPDUs with variable data field length.68 Figure 30 Token DLPDU 68 Figure 31 Token DLPDU 69 Figure 32 Send/request DLPDU of fixed length with no data 70 Figure 33 Token DLPDU and send/request DLPDU of fixed length with data70 Figure 34 Se
26、nd/request DLPDU with variable data field length.71 Figure 35 Send/request DLPDU of fixed length with no data 71 Figure 36 Token DLPDU and send/request DLPDU of fixed length with data72 Figure 37 Send/request DLPDU with variable data field length.72 Figure 38 DL-state-diagram .74 Figure 39 Overview
27、of clock synchronization80 Figure 40 Time master state machine 81 Figure 41 Time receiver state machine 82 Figure 42 Clock synchronization .83 Figure A.1 Structuring of the protocol machines.85 Figure A.2 Structure of the SRU Machine.144 Figure B.1 Example of FCS generation for Type 3 (synchronous)
28、161 Figure B.2 Example of FCS syndrome checking on reception for Type 3 (synchronous) .161 Figure C.1 Derivation of the token holding time (TTH)164 Figure C.2 No usage of token holding time (TTH).165 Figure C.3 Usage of token holding time (TTH) for message transfer (equivalence between TTH of each M
29、aster station)166 Figure C.4 Usage of token holding time (TTH) in different working load situations .168 Table 1 FCS length, polynomials and constants by Type 3 synchronous 23 Table 2 Characteristic features of the fieldbus data-link protocol25 Table 3 Transmission function code.59 Table 4 FCB, FCV
30、in responder .61 Table 5 Operating parameters .73 Table A.1 Assignment of state machines86 Table A.2 Data resource 87 Table A.3 Primitives issued by DL-User to FLC91 Table A.4 Primitives issued by FLC to DL-User91 Table A.5 Primitives issued by DL-User to DLM .93 Table A.6 Primitives issued by DLM t
31、o DL-User .94 Table A.7 Parameters used with primitives exchanged between DL-User and FLC.94 Table A.8 Parameters used with primitives exchanged between DL-User and DLM95 Table A.9 FLC/DLM state table 96 Table A.10 FLC / DLM function table109 Table A.11 Primitives issued by DLM to MAC.116 Table A.12
32、 Primitives issued by MAC to DLM.116 Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:47:48 MSTNo reproduction or networking permitted without license from IHS -,-,- 61158-4-3 IE
33、C:2007(E) 5 Table A.13 Parameters used with primitives exchanged between DLM and MAC .116 Table A.14 Local MAC variables 117 Table A.15 MAC state table .117 Table A.16 MAC function table.139 Table A.17 Primitives issued by DLM to SRC.145 Table A.18 Primitives issued by SRC to DLM.146 Table A.19 Prim
34、itives issued by MAC to SRC.146 Table A.20 Primitives issued by SRC to MAC.146 Table A.21 Parameters used with primitives exchanged between MAC and SRC .147 Table A.22 FC structure.147 Table A.23 Local variables of SRC.147 Table A.24 SRC state table148 Table A.25 SRC functions160 Copyright Internati
35、onal Electrotechnical Commission Provided by IHS under license with IECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 01/01/2008 21:47:48 MSTNo reproduction or networking permitted without license from IHS -,-,- 6 61158-4-3 IEC:2007(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION _
36、INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 4-3: Data-link layer protocol specification Type 3 elements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National
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45、t of the publication, use of, or reliance upon, this IEC Publication or any other 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. NOTE Use of some of th
46、e associated protocol types is restricted by their intellectual-property-right holders. In all cases, the commitment to limited release of intellectual-property-rights made by the holders of those rights permits a particular data-link layer protocol type to be used with physical layer and applicatio
47、n layer protocols in Type combinations as specified explicitly in the IEC 61784 series. Use of the various protocol types in other combinations may require permission from their respective intellectual-property-right holders. IEC draws attention to the fact that it is claimed that compliance with th
48、is standard may involve the use of patents as follows, where the xx notation indicates the holder of the patent right: Type 3 and possibly other types: DE 36 43 979 C2 SI Deterministisches Zugriffsverfahren nach dem Tokenprinzip fr eine Datenbertragung DE 36 43 979 A1 SI Deterministisches Zugriffsverfahren nach dem Tokenprinzip fr eine Dat