1、 IEC 61158-4-8Edition 1.0 2007-12INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-8:Data-link layer protocol specification Type 8 elements IEC 61158-4-8:2007(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SU
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9、 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61158-4-8Edition 1.0 2007-12INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-8:Data-link layer protocol specification Type
10、 8 elements INTERNATIONAL ELECTROTECHNICAL COMMISSION XFICS 35.100.20;25.040.40 PRICE CODEISBN 2-8318-9435-2LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61158-4-8 IEC:2007(E)CONTENTS FOREWORD.7 INTRODUCTION.9 1 Scope.10 1.1 Genera
11、l.10 1.2 Specifications.10 1.3 Procedures.10 1.4 Applicability.10 1.5 Conformance.11 2 Normative references.11 3 Terms,definitions,symbols and abbreviations.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 Additio
12、nal Type 8 definitions.14 3.5 Symbols and abbreviations.15 4 DL-protocol.18 4.1 Overview.18 4.2 DL-service Interface(DLI).18 4.3 Peripherals data link(PDL).22 4.4 Basic Link Layer(BLL).58 4.5 Medium Access Control(MAC).74 4.6 Peripherals network management for layer 2(PNM2).108 4.7 Parameters and mo
13、nitoring times of the DLL.116 Annex A(informative)Implementation possibilities of definite PNM2 functions.122 A.1 Acquiring the current configuration.122 A.2 Comparing the acquired and stored configurations prior to a DL-subnetwork error.126 Bibliography.132 Figure 1 Relationships of DLSAPs,DLSAP-ad
14、dresses and group DL-addresses.13 Figure 2 Data Link Layer Entity.18 Figure 3 Location of the DLI in the DLL.18 Figure 4 State transition diagram of DLI.20 Figure 5 Location of the PDL in the DLL.22 Figure 6 PDL connection between slave and master.23 Figure 7 Interface between PDL-user(DLI)and PDL i
15、n the layer model.24 Figure 8 Overview of the PDL services.24 Figure 9 PDL_Data_Ack service between master and only one slave.26 Figure 10 Parallel processing of PDL_Data_Ack services.26 Figure 11 PSM and GSM service for buffer access.26 Figure 12 Buffer_Received service to indicate successful data
16、transfer.27 Figure 13 Data flow between PDL-user,PDL and BLL of a PDL_Data_Ack service.30 Figure 14 Interface between PDL and PNM2 in the layer model.30 Figure 15 Reset,Set Value and Get Value PDL services.32 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61158-4-8 IEC:2007(E)3 Figure 16 Event PDL service.32 Figure 17 Transmit and receive FCBs on the master and slave sides.35 Figure 18 Data transmission master slave with SWA Messa
