1、 IEC 61158-4-2 Edition 3.0 2014-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks Fieldbus specifications Part 4-2: Data-link layer protocol specification Type 2 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 4-2: Spcification du p
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20、mmunication networks Fieldbus specifications Part 4-2: Data-link layer protocol specification Type 2 elements Rseaux de communication industriels Spcifications des bus de terrain Partie 4-2: Spcification du protocole de la couche liaison de donnes Elments de type 2 INTERNATIONAL ELECTROTECHNICAL COM
21、MISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE XH ICS 25.04.40; 35.100.20; 35.110 PRICE CODE CODE PRIX ISBN 978-2-8322-1720-7 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained t
22、his publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 61158-4-2:2014 IEC 2014 CONTENTS FOREWORD . 10 INTRODUCTION . 13 1 Scope . 15 1.1 General . 15 1.2 Specifications 15 1.3 Procedures 15 1.4 Applicabil
23、ity . 16 1.5 Conformance . 16 2 Normative references . 16 3 Terms, definitions, symbols, abbreviations and conventions 17 3.1 Reference model terms and definitions 17 3.2 Service convention terms and definitions . 19 3.3 Common terms and definitions 20 3.4 Additional Type 2 definitions 22 3.5 Type 2
24、 symbols and abbreviations . 30 3.6 Conventions for station management objects 31 4 Overview of the data-link protocol. 31 4.1 General . 31 4.2 Services provided by the DL 34 4.3 Structure and definition of DL-addresses . 35 4.4 Services assumed from the PhL 37 4.5 Functional classes . 39 5 General
25、structure and encoding of PhIDUs and DLPDUs and related elements of procedure . 40 5.1 Overview . 40 5.2 Media access procedure 40 5.3 DLPDU structure and encoding . 44 5.4 Lpacket components . 48 5.5 DLPDU procedures . 50 5.6 Summary of DLL support services and objects 51 6 Specific DLPDU structure
26、, encoding and procedures 53 6.1 Modeling language 53 6.2 DLS user services . 55 6.3 Generic tag Lpacket 61 6.4 Moderator Lpacket 62 6.5 Time distribution Lpacket 63 6.6 UCMM Lpacket 66 6.7 Keeper UCMM Lpacket 66 6.8 TUI Lpacket . 67 6.9 Link parameters Lpacket and tMinus Lpacket 68 6.10 Im-alive Lp
27、acket . 70 6.11 Ping Lpackets 71 6.12 WAMI Lpacket . 73 6.13 Debug Lpacket 73 6.14 IP Lpacket . 74 6.15 Ethernet Lpacket . 74 IEC 61158-4-2:2014 IEC 2014 3 7 Objects for station management . 74 7.1 General . 74 7.2 ControlNet object 76 7.3 Keeper object 86 7.4 Scheduling object 108 7.5 TCP/IP Interf
28、ace object . 119 7.6 Ethernet link object 139 7.7 DeviceNet object . 149 7.8 Connection configuration object (CCO) 157 7.9 DLR object 180 7.10 QoS object 195 7.11 Port object . 198 8 Other DLE elements of procedure. 201 8.1 Network attachment monitor (NAM) . 201 8.2 Calculating link parameters . 209
29、 9 Detailed specification of DL components 218 9.1 General . 218 9.2 Access control machine (ACM) 218 9.3 TxLLC . 238 9.4 RxLLC . 243 9.5 Transmit machine (TxM) 247 9.6 Receive machine (RxM) 251 9.7 Serializer . 257 9.8 Deserializer . 260 9.9 DLL management 260 10 Device Level Ring (DLR) protocol .
30、262 10.1 General . 262 10.2 Supported topologies 263 10.3 Overview of DLR operation 264 10.4 Classes of DLR implementation . 267 10.5 DLR behavior 268 10.6 Implementation requirements 273 10.7 Using non-DLR nodes in the ring network 275 10.8 Redundant gateway devices on DLR network 278 10.9 DLR mess
31、ages 283 10.10 State diagrams and state-event-action matrices 289 10.11 Performance analysis 316 Annex A (normative) Indicators and switches . 322 A.1 Purpose 322 A.2 Indicators . 322 A.2.1 General indicator requirements . 322 A.2.2 Common indicator requirements . 322 A.2.3 Fieldbus specific indicat
32、or requirements (1) 324 A.2.4 Fieldbus specific indicator requirements (2) 328 A.2.5 Fieldbus specific indicator requirements (3) 331 A.3 Switches . 335 A.3.1 Common switch requirements . 335 A.3.2 Fieldbus specific switch requirements (1) . 336 4 IEC 61158-4-2:2014 IEC 2014 A.3.3 Fieldbus specific
33、switch requirements (2) . 336 A.3.4 Fieldbus specific switch requirements (3) . 337 Bibliography 338 Figure 1 Relationships of DLSAPs, DLSAP-addresses and group DL-addresses 21 Figure 2 Data-link layer internal architecture 33 Figure 3 Basic structure of a MAC ID address 35 Figure 4 Basic structure
34、of a generic tag address 35 Figure 5 Basic structure of a fixed tag address 36 Figure 6 M_symbols and Manchester encoding at 5 MHz . 38 Figure 7 NUT structure 41 Figure 8 Media access during scheduled time 42 Figure 9 Media access during unscheduled time 43 Figure 10 DLPDU format 44 Figure 11 Aborti
35、ng a DLPDU during transmission 48 Figure 12 Lpacket format . 48 Figure 13 Generic tag Lpacket format 49 Figure 14 Fixed tag Lpacket format 50 Figure 15 Goodness parameter of TimeDist_Lpacket . 64 Figure 16 Example Im alive processing algorithm 71 Figure 17 Keeper CRC algorithm . 92 Figure 18 Keeper
36、object power-up state diagram . 103 Figure 19 Keeper object operating state diagram . 105 Figure 20 Synchronized network change processing 108 Figure 21 State transition diagram for TCP/IP Interface object . 132 Figure 22 State transition diagram for TCP/IP Interface object (continued) 133 Figure 23
37、 ACD Behavior 135 Figure 24 State transition diagram for Ethernet Link object 149 Figure 25 Connection configuration object edit flowchart 180 Figure 26 NAM state machine 202 Figure 27 DLR rings connected to switches 264 Figure 28 Normal operation of a DLR network 265 Figure 29 Beacon and Announce f
38、rames 265 Figure 30 Link failure . 266 Figure 31 Network reconfiguration after link failure 267 Figure 32 Neighbor Check process 273 Figure 33 Unsupported topology example 1 277 Figure 34 Unsupported topology example 2 277 Figure 35 DLR ring connected to switches through redundant gateways 279 Figur
39、e 36 DLR redundant gateway capable device . 280 Figure 37 Advertise frame 282 Figure 38 State transition diagram for Beacon frame based non-supervisor ring node 290 Figure 39 State transition diagram for Announce frame based non-supervisor ring node . 295 IEC 61158-4-2:2014 IEC 2014 5 Figure 40 Stat
40、e transition diagram for ring supervisor 299 Figure 41 State transition diagram for redundant gateway 312 Figure A.1 Non redundant network status indicator labeling . 328 Figure A.2 Redundant network status indicator labeling . 328 Figure A.3 Network status indicator state diagram . 331 Table 1 Form
41、at of attribute tables 31 Table 2 Data-link layer components . 32 Table 3 MAC ID addresses allocation 35 Table 4 Fixed tag service definitions 36 Table 5 Data encoding rules 37 Table 6 M Data symbols 39 Table 7 Truth table for ph_status_indication . 39 Table 8 FCS length, polynomials and constants .
42、 45 Table 9 DLL support services and objects 52 Table 10 Elementary data types . 55 Table 11 DLL events 59 Table 12 Time distribution priority 65 Table 13 Format of the TUI Lpacket . 67 Table 14 ControlNet object class attributes 76 Table 15 ControlNet object instance attributes . 76 Table 16 TUI st
43、atus flag bits 80 Table 17 Mac_ver bits 81 Table 18 Channel state bits . 82 Table 19 ControlNet object common services. 83 Table 20 ControlNet object class specific services . 84 Table 21 Keeper object revision history . 86 Table 22 Keeper object class attributes . 87 Table 23 Keeper object instance
44、 attributes 87 Table 24 Keeper operating state definitions . 90 Table 25 Port status flag bit definitions 90 Table 26 TUI status flag bits 91 Table 27 Keeper attributes . 94 Table 28 Memory requirements (in octets) for the Keeper attributes . 94 Table 29 Keeper object common services 95 Table 30 Kee
45、per object class specific services 95 Table 31 Service error codes . 96 Table 32 Wire order format of the TUI Lpacket . 100 Table 33 Service error codes . 101 Table 34 Keeper object operating states 101 Table 35 Keeper object state event matrix . 105 Table 36 Scheduling object class attributes . 109
46、 Table 37 Scheduling object instance attributes 109 6 IEC 61158-4-2:2014 IEC 2014 Table 38 Scheduling object common services 110 Table 39 Status error descriptions for Create . 111 Table 40 Status error descriptions for Delete and Kick_Timer 112 Table 41 Scheduling object class specific services 112
47、 Table 42 Status error descriptions for Read . 114 Table 43 Status error descriptions for Conditional_Write 115 Table 44 Status error descriptions for Forced_Write 115 Table 45 Status error descriptions for Change_Start 116 Table 46 Status error descriptions for Break_Connections . 116 Table 47 Stat
48、us error descriptions for Change_Complete . 117 Table 48 Status error descriptions for Restart_Connections . 118 Table 49 Revision history . 119 Table 50 TCP/IP Interface object class attributes . 120 Table 51 TCP/IP Interface object instance attributes 120 Table 52 Status bits . 123 Table 53 Configuration capability bits 124 Table 54 Configuration control bits . 124 Table 55 Example path 125 Table 56 Interface configuration components . 126 Table 57 Alloc control values . 128 Table 58 AcdActivity values . 129 Table 59 ArpPdu
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