NBN EN 61158-4 : 2005

0 Introduction
1 Scope and object
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 DL-protocol elements common to multiple DL-protocol Types
6 Type 1: Overview of the DL-protocol
7 Type 1: General structure and encoding of PhIDUs and DLPDUs,
           and related elements of procedure
8 Type 1: DLPDU-specific structure, encoding and elements of
           procedure
9 Type 1: DLPDU-parameter structure and encoding
10 Type 1: DL-service elements of procedure
11 Type 1: DL-support sub protocol
12 Type 1: Other DLE elements of procedure
13 Type 1: PICS proforma
14 Type 2: Overview of the DL-protocol
15 Type 2: General structure and encoding of PhIDUs and DLPDUs
           and related elements of procedure
16 Type 2: Specific DLPDU structure, encoding and procedures
17 Type 2: Objects for station management
18 Type 2: Other DLE elements of procedure
19 Type 2: Detailed specification of DL components
20 Type 3: Overview of the DL-protocol
21 Type 3: General structure and encoding of DLPDUs, and related
           elements of procedure
22 Type 3: DLPDU-specific structure, encoding and elements of
           procedure
23 Type 3: Other DLE elements of procedure
24 Type 4: Data Link Protocol Definition
25 Type 5:
26 Type 6: Connection-oriented DL-protocol and related matters
27 Type 6: MAC elements of procedure
28 Type 7: Overview of the DL-protocol
29 Type 7: General structure and encoding of PhIDUs and DLPDUs
           and related elements of procedure
30 Type 7: DLPDU-specific structure, encoding and element of
           procedure
31 Type 7: DL-service elements of procedure, interfaces and
           conformance
32 Type 8: DL-protocol
Annex A (informative) - Types 1, 2, 3 (synchronous), 5 (first FCS),
                        6, 7, and 8: Exemplary FCS implementations
Annex B (informative) - Type 1: Formal protocol finite state machines
Annex C (informative) - Type 1: DLPDU and DL-addressing short-form
                                summaries
Annex D (informative) - Type 2: Indicators and Switches
Annex E (normative) - Type 3: DL-Protocol state machines
Annex F (informative) - Type 3: Exemplary token procedure and message
                                transfer periods
Annex G (informative) - Type 7: Object Modeling
Annex H (informative) - Type 7: Topology of multi-segment DL-subnetwork
Annex I (informative) - Type 7: Management of transmission errors
Annex J (informative) - Type 8: Implementation possibilities of definite
                                PNM2 functions
BIBLIOGRAPHY
INDEX
Figures
Tables

Provides basic time-critical messaging communications between devices in an automation environment.