1、 IEC 61158-4-17Edition 1.0 2007-12INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-17:Data-link layer protocol specification Type 17 elements IEC 61158-4-17:2007(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOO
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9、2 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61158-4-17Edition 1.0 2007-12INTERNATIONAL STANDARD Industrial communication networks Fieldbus specifications Part 4-17:Data-link layer protocol specificatio
10、n Type 17 elements INTERNATIONAL ELECTROTECHNICAL COMMISSION VICS 35.100.20;25.040.40 PRICE CODEISBN 2-8318-9440-9LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61158-4-17 IEC:2007(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 1.1
11、General.7 1.2 Specifications.7 1.3 Procedures.7 1.4 Applicability.7 1.5 Conformance.8 2 Normative reference.8 3 Definitions.8 3.1 Terms and definitions.8 3.2 Abbreviations and symbols.11 3.3 Conventions.11 4 Overview of the DL-protocol.12 4.1 General.12 4.2 Characteristics of the protocol.12 4.3 Dat
12、a-link layer architecture.12 4.4 Services provided by the DLL.14 4.5 Network sharing with other protocols.15 5 DLPDU-parameter structure and encoding.15 5.1 Overview.15 5.2 DLPDU common header format.16 5.3 DLPDU body format.17 6 Local parameters and resources.21 6.1 General.21 6.2 Parameters and re
13、sources related to network structure.22 6.3 Parameters and resources to support real-time data transfer.23 6.4 Parameters and resources to support the scheduling function.24 6.5 Parameters and resources to support the security function.25 7 DL-service elements of procedure.26 7.1 Unacknowledged unit
14、data transfer service(UUS).26 7.2 Acknowledged unitdata transfer service(AUS).26 7.3 Acknowledged sequence of unitdata transfer service(ASS).26 7.4 Multipoint unitdata transfer service(MUS).27 7.5 Multipoint sequence of unitdata transfer service(MSS).27 8 DL-support protocol.28 8.1 Transmission sche
15、duling.28 8.2 Redundancy.29 8.3 DLPDU authentication.31 Bibliography.32 Table 1 Conventions used for protocol procedure definitions.12 Table 2 Referenced standards for the layers.13 Table 3 Bit positions.16 Table 4 Common header format.17 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE A
16、T THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61158-4-17 IEC:2007(E)3 Table 5 DLPDU types.17 Table 6 Service subtype and PDU type of DLPDUs.18 Table 7 UUS_DT_PDU.18 Table 8 AUS_DT_PDU.19 Table 9 AUS_RSP_PDU.19 Table 10 ASS_DT_PDU.20 Table 11 ASS_ENQ_PDU.20 Table 12 ASS_RSP_PDU.20 Table 13 MUS_DT_PDU.21 Table 14 MSS_DT_PDU.21 Table 15 Parameters and resources for the network structure.22 Table 16 Ranges of parameters for the network structure.23 Table 17 Parameters and resources real-time d
