1、 IEC 61158-4-22 Edition 2.0 2014-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Fieldbus specifications Part 4-22: Data-link layer protocol specification Type 22 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 4-22: Spcification
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20、ial communication networks Fieldbus specifications Part 4-22: Data-link layer protocol specification Type 22 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 4-22: Spcification du protocole de la couche liaison de donnes lments de type 22 INTERNATIONAL ELECTROTECH
21、NICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XB ICS 25.040.40; 35.100.20; 35.110 PRICE CODE CODE PRIX ISBN 978-2-8322-1729-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you
22、obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61158-4-22:2014 IEC 2014 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope . 9 1.1 General . 9 1.2 Specifications 9 1.3 Procedures 9 1.4 Appli
23、cability . 9 1.5 Conformance . 10 2 Normative references . 10 3 Terms, definitions, symbols, abbreviations and conventions . 10 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 22 definitions 14 3.5
24、 Common symbols and abbreviations . 17 3.6 Additional Type 22 symbols and abbreviations 18 3.7 Conventions 20 4 Overview of the DL-protocol . 21 4.1 Operating principle 21 4.2 Communication model . 21 4.3 Topology . 22 4.4 DLPDU processing 22 4.5 General communication mechanisms 23 4.6 Gateway 24 4.
25、7 Interaction models . 24 5 DLPDU structure 24 5.1 Overview . 24 5.2 Data types and encoding rules 25 5.3 DLPDU identification . 26 5.4 General DLPDU structure 27 5.5 Communication management DLPDUs 29 5.6 Cyclic data channel (CDC) DLPDUs 37 5.7 Cyclic data channel (CDC) DLPDU data 38 5.8 Message ch
26、annel (MSC) DLPDUs . 38 5.9 Message channel DLPDU data - MSC message transfer protocol (MSC-MTP) . 40 5.10 Time synchronization 43 6 Telegram timing and DLPDU handling 45 6.1 Communication mechanism . 45 6.2 Device synchronization 47 7 Type 22 protocol machines . 47 7.1 RTFL device protocol machines
27、 47 7.2 RTFN device protocol machines 59 7.3 Message channel Message transfer protocol (MSC-MTP) . 61 Bibliography 65 IEC 61158-4-22:2014 IEC 2014 3 Figure 1 DLPDU sequence . 46 Figure 2 Communication relationship RTFN device 46 Figure 3 Overview RTFL device protocol machines 48 Figure 4 Protocol m
28、achine send DLPDU procedure 49 Figure 5 Protocol machine receive DLPDU procedure 49 Figure 6 CDCL send cyclic data sequence . 50 Figure 7 CDCL receive cyclic data sequence . 51 Figure 8 MSCL send sequence 52 Figure 9 MSCL receive sequence 53 Figure 10 Network management protocol machine . 54 Figure
29、11 Net management sequence at system boot up . 55 Figure 12 Initialization sequence ordinary device . 56 Figure 13 PCS configuration sequence 57 Figure 14 Delay measurement principle . 58 Figure 15 Overview RTFN device protocol machines . 59 Figure 16 CDCN connection setup and release 60 Figure 17 C
30、DCN unpulish data . 61 Figure 18 Segmentation sequence . 62 Figure 19 Expedited transfer sequence 62 Figure 20 Toggling from expedited transfer to segmented transfer . 63 Figure 21 Segmentation sequence for broad- or multicast message without Acknowledgement . 64 Table 1 DLPDU element definition . 2
31、0 Table 2 Conventions for protocol machine description . 21 Table 3 Transfer syntax for bit sequences 25 Table 4 Transfer syntax for data type Unsignedn . 26 Table 5 Transfer syntax for data type Signedn . 26 Table 6 Type 22 DLPDU inside an ISO/IEC 8802-3 27 Table 7 Type 22 DLPDU inside a VLAN tagge
32、d ISO/IEC 8802-3 DLPDU 27 Table 8 Type 22 DLPDU inside an UDP DLPDU. 28 Table 9 General structure of a Type 22 DLPDU . 28 Table 10 DLPDU header structure . 29 Table 11 Network verification prepare DLPDU . 29 Table 12 Network verification environment DLPDU 29 Table 13 Network verification information
33、 DLPDU 29 Table 14 Network verification acknowledgement DLPDU 30 Table 15 RTFN scan network request DLPDU 30 Table 16 RTFN scan network response DLPDU . 30 Table 17 Identification data 30 Table 18 Identification data v2 . 31 Table 19 PhyLinkPortX 32 Table 20 RTF support 33 4 IEC 61158-4-22:2014 IEC
34、2014 Table 21 RTF2 support 33 Table 22 UseDHCP 34 Table 23 DeviceRole 34 Table 24 RTFN connection management DLPDU . 35 Table 25 CDCN connection still alive DLPDU . 35 Table 26 ID data 35 Table 27 RTFL control DLPDU . 35 Table 28 RTFL configuration DLPDU . 36 Table 29 RTFL configuration acknowledgem
35、ent DLPDU 36 Table 30 RTFL configuration 2 DLPDU 37 Table 31 RTFL configuration acknowledgement 2 DLPDU 37 Table 32 CDCL DLPDU 37 Table 33 CDCN DLPDU . 38 Table 34 CDC DLPDU data arrangement . 38 Table 35 CDC DLPDU data 38 Table 36 MSCL DLPDU . 39 Table 37 MSCL control 39 Table 38 MSCN DLPDU . 40 Ta
36、ble 39 MSC-MTP frame structure . 40 Table 40 Address type . 41 Table 41 MSC-MTP Init structure . 41 Table 42 MSC-MTP Init_Fast structure 42 Table 43 MSC-MTP Send structure 42 Table 44 MSC-MTP Acknowledgement structure 42 Table 45 MSC-MTP Abort structure 43 Table 46 Data structure of a message 43 Tab
37、le 47 DelayMeasurement start encoding . 43 Table 48 DelayMeasurement read encoding. 44 Table 49 PCS configuration encoding 44 Table 50 Time synchronization service request 44 Table 51 Time synchronization service response . 44 IEC 61158-4-22:2014 IEC 2014 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION
38、 INDUSTRIAL COMMUNICATION NETWORKS FIELDBUS SPECIFICATIONS Part 4-22: Data-link layer protocol specification Type 22 elements FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC Nati
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47、of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out 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
48、 referenced publications is indispensable for the correct application of this publication. Attention is drawn to the fact that the use of the associated protocol type is restricted by its 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 layer protocol type to be used with other layer protocols of the same type, or in other type combinations explicitly authorized by its intellectual-property-right holders. NOTE Combinations of protocol types are specified in IEC 61784-1
