1、IEC 61158-4-1 Edition 2.0 2014-08 INTERNATIONAL STANDARD NORME IEC 61158-4-1:2014-08(en-fr) INTERNATIONALE Industrial communication networks Fieldbus specifications Part 4-1: Data-link layer protocol specification Type 1 elements Rseaux de communication industriels Spcifications des bus de terrain P
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20、ommunication networks Fieldbus specifications Part 4-1: Data-link layer protocol specification Type 1 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 4-1: Spcification du protocole de la couche liaison de donnes lments de type 1 INTERNATIONAL ELECTROTECHNICAL COM
21、MISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 25.040.40; 35.100.20; 35.110 PRICE CODE CODE PRIX ISBN 978-2-8322-1719-1 Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distrib
22、uteur agr. Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale 4 IEC 61158-4-1:2014 IEC 2014 CONTENTS FOREW ORD . 9 0 INTRODUCTION 11 0.1 General . 11 0.2 Nomenclature for references within this standard 11 1 Scope . 12
23、1.1 1.2 1.3 1.4 1.5 General . 12 Specifications 12 Procedures 12 Applicability . 13 Conformance . 13 2 Normative references . 13 3 Terms, definitions, symbols and abbreviations 14 3.1 3.2 3.3 3.4 Reference model terms and definitions 14 Service convention terms and definitions . 16 Terms and definit
24、ions 16 Symbols and abbreviations 25 4 Overview of the DL-protocol . 29 4.1 4.2 4.3 4.4 4.5 4.6 4.7 Three-level model of the DLL 29 Service provided by the DLL 31 Structure and definition of DL-addresses . 38 Service assumed from the PhL 50 Functions of the DLL . 52 Functional classes . 55 Local par
25、ameters, variables, counters, timers and queues . 56 5 General structure and encoding of PhIDUs and DLPDUs, and related elements of procedure . 70 5.1 5.2 PhIDU structure and encoding . 70 Common DLPDU structure, encoding and elements of procedure 70 6 DLPDU-specific structure, encoding and elements
26、 of procedure . 81 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 Establish connection (EC) DLPDU . 83 Disconnect connection (DC) DLPDU 85 Reset connection (RC) DLPDU 88 Compel acknowledgement (CA) DLPDU 89 Compel data (CD) DLPDU . 96 Exchange data (ED) DLPDU 103 Data (D
27、T) DLPDU 111 Status response (SR) DLPDU 118 Compel time (CT) DLPDU . 121 Time distribution (TD) DLPDU . 123 Round-trip-delay query (RQ) DLPDU . 125 Round-trip-delay reply (RR) DLPDU 127 Probe node DL-address (PN) DLPDU 129 Probe response (PR) DLPDU 131 Pass token (PT) DLPDU 133 Execute sequence (ES)
28、 DLPDU 141 Return token (RT) DLPDU . 148 IEC 61158-4-1:2014 IEC 2014 3 6.18 6.19 6.20 6.21 6.22 6.23 6.24 Request interval (RI) DLPDU . 149 Claim LAS (CL) DLPDU . 150 Transfer LAS (TL) DLPDU . 152 W akeup (W K) DLPDU . 155 Idle (IDLE) DLPDU 157 Spare DLPDUs 158 Reserved (not to be used) DLPDUs . 159
29、 7 DLPDU-parameter structure and encoding 160 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 Structure and encoding of EC-PARAMETERS . 160 Structure and encoding of DC-PARAMETERS . 165 Structure and encoding of RC-PARAMETERS . 166 Structure and encoding of SD-Parameters . 168 Structure and encoding of SR-
30、parameters . 176 Structure and encoding of TD-parameters . 176 Structure and encoding of RQ-parameters . 179 Structure and encoding of RR-parameters . 179 Structure and encoding of PN-parameters . 180 Structure and encoding of DD-parameters . 182 8 DL-service elements of procedure 182 8.1 8.2 8.3 8.
31、4 Operation of the DL(SAP)-address, buffer and queue management services . 183 Operation of the connection-mode services . 186 Operation of the connectionless-mode services . 226 Operation of the scheduling guidance services 237 9 DL-support subprotocol 246 9.1 9.2 9.3 9.4 General . 246 Overview of
32、LAS operation 247 DL-support subprotocol definition 247 Elements of Procedures for receiving SPDUs 280 10 Other DLE elements of procedure. 282 10.1 10.2 10.3 10.4 10.5 10.6 DLE initialization . 282 LAS behavior and operation 286 DL-support operation . 293 DL-bridge elements of procedure and bridge s
33、ub-protocol . 298 DL-management-information . 328 Implementation profiles . 332 11 PICS proforma 337 11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 11.9 Introduction . 338 General . 338 Normative references 338 Definitions . 338 Abbreviations 338 Conformance . 339 Instructions . 339 Identification 339 Impl
34、ementation profile . 340 11.10 Major low-level capabilities 344 11.11 Major high-level capabilities 357 Annex A (informative) Exemplary FCS implementation . 366 4 IEC 61158-4-1:2014 IEC 2014 Annex B (informative) Type 1: Formal protocol finite state machines. 368 B.1 Basic reception and transmission
35、 FSMs 368 B.2 FSMs for DLCs 379 B.3 FSMs for scheduling 385 B.4 FSMs for bridges . 385 Annex C (informative) Type 1: DLPDU and DL-addressing short-form summaries . 387 C.1 Fields used in short-form summaries . 387 C.2 DLPDU short-form summary grouped by function 388 C.3 DLPDU short-form summary in a
36、lphabetic order of DLPDU names 390 C.4 DLPDU short-form summary in alphabetic order of DLPDU acronyms 391 C.5 DLPDU FC code-point assignment matrix overview and detail 392 C.6 SD-parameters (status and data-description parameters) of CA, CD, ED and DT DLPDUs. 395 C.7 EC parameters of EC DLPDUs 398 C
37、.8 Parameters of DC and RC DLPDUs . 400 C.9 Parameters of TD, RQ and RR DLPDUs 401 C.10 Parameters of PN, PT, ES and RI DLPDUs . 404 C.11 Addressing summary extracted from figures and tables of 4.3 . 404 Bibliography 409 Figure 1 Relationships of DLSAPs, DLSAP-addresses, DLCEPs, DLCEP-addresses, DLS
38、EP-addresses and group DL-addresses . 19 Figure 2 Basic structure of a DL-address . 38 Figure 3 Basic structure of a sublink selector . 39 Figure 4 DL-address alternative structures . 39 Figure 5 Basic structure of MAC-addresses . 49 Figure 6 Representation of a DL-address as a MAC-address . 49 Figu
39、re 7 Linear relationships of sending and receiving DLCEP sequence-number variables . 62 Figure 8 DL-address alternative structures . 73 Figure 9 SHORT DL-address field alternative implicit structures 74 Figure 10 NODE DL-address field implicit structure 74 Figure 11 State transition diagram for a DL
40、CEP . 187 Figure 12 Projection of the sending and receiving DLCEP sequence-number variables of Figure 7 onto the cyclic sequence-number parameters of CA, CD, DT, ED and RC DLPDUs, with consequent determination of required actions 203 Figure 13 State transitions of a DLE 283 Figure 14 Bridged network
41、 topology . 299 Figure 15 Spanning tree representation . 300 Figure 16 DLSDU transit delay, DLPDU lifetime and bridge forwarding delay . 304 Figure 17 Forwarding and delivering a received DLPDU 308 Figure 18 Forwarding a locally-originated DLPDU 309 Figure 19 Republishing a DLSDU received from anoth
42、er link . 310 Figure 20 Bridge architecture . 311 Figure 21 Replacement for IL Fig 3-2 Bridge ports 320 Figure 22 Replacement for IL Fig 3-3 Bridge architecture . 321 Figure A.1 Example of FCS generation 366 IEC 61158-4-1:2014 IEC 2014 5 Figure A.2 Example of FCS syndrome checking on reception . 366
43、 Figure C.1 Gross structure of FC code points 392 Figure C.2 Figure 2 Basic structure of a DL-address 405 Figure C.3 Figure 3 Basic structure of a sublink selector 405 Figure C.4 Figure 4 DL-address alternative structures . 405 Figure C.5 Figure 5 Basic structure of MAC-addresses 405 Figure C.6 Figu
44、re 6 Representation of a DL-address as a MAC-address 405 Table 1 Link | node | selector addressing . 41 Table 2 Link-local node | selector addressing 43 Table 3 Link-local node designators . 45 Table 4 Node-local selector addressing . 46 Table 5 Predefined flat non-local DL-addresses . 47 Table 6 Pr
45、edefined flat link-local DL-addresses . 48 Table 7 Predefined node-local DL-addresses . 48 Table 8 Correlation of DLPDUs with functional classes 54 Table 9 FCS length, polynomial and expected residual 76 Table 10 Summary structure of DLPDUs 82 Table 11 DLPDU restrictions based on dominant token 83 T
46、able 12 Structure of EC DLPDUs . 83 Table 13 Structure of DC DLPDUs . 86 Table 14 Structure of RC DLPDUs . 88 Table 15 Structure of CA DLPDUs . 90 Table 16 Structure of CD DLPDUs . 96 Table 17 Structure of ED DLPDUs . 103 Table 18 Structure of DT DLPDUs . 111 Table 19 Structure of SR DLPDUs . 119 Ta
47、ble 20 Structure of CT DLPDUs . 121 Table 21 Structure of TD DLPDUs . 123 Table 22 Structure of RQ DLPDUs . 125 Table 23 Structure of RR DLPDUs . 127 Table 24 Structure of PN DLPDUs . 129 Table 25 Structure of PR DLPDUs . 132 Table 26 Structure of PT DLPDUs 133 Table 27 Structure of ES DLPDUs . 142
48、Table 28 Structure of RT DLPDUs . 148 Table 29 Structure of RI DLPDUs. 149 Table 30 Structure of CL DLPDUs 150 Table 31 Structure of TL DLPDUs 152 Table 32 Structure of W K DLPDUs. 155 Table 33 Structure of IDLE DLPDUs 157 Table 34 Assumed structure of undefined (spare) DLPDUs 158 Table 35 Assumed structure of RESERVED (NOT TO BE USED) DLPDUs . 160 6 IEC 61158-4-1:2014 IEC 2014 Table 36 Structure of an EC DLPDUs parameters . 161 Table 37 EC-parameters: 1st octet . 161 Table 38 EC-parameters: 2nd octet 161 Table 39 EC-parameters: 3r
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