BS EN 61158-4-14:2014

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Industrial communication networks. Fieldbus specifications – Data-link layer protocol specification. Type 14 elements

Published By	Publication Date	Number of Pages
BSI	2014	38

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Categories: 35.100.20 - Data link layer, BSI

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Description

IEC 61158-4-14:2014 specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider and the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units. This third edition cancels and replaces the second edition published in 2010 and constitutes a technical revision. The main changes are: – update the Communication model; – update the Encoding of DL-management Tag for FRT applications in Subclause 6.2.3; – corrections the edit error; – update of the requirements for all conformance classes; – update of the requirements for all conformance services.

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PDF Pages	PDF Title
6	English CONTENTS
8	INTRODUCTION
10	1 Scope 1.1 General 1.2 Specifications 1.3 Procedures
11	1.4 Applicability 1.5 Conformance 2 Normative references 3 Terms, definitions, symbols and abbreviations
12	3.1 Reference model terms and definitions
14	3.2 Service convention terms and definitions 3.3 ISO/IEC 88023 terms
15	3.4 Common terms and definitions
16	Figures Figure 1 – Relationships of DLSAPs, DLSAP-addresses and group DLaddresses
18	3.5 Symbols and abbreviations
19	4 Overview of the DL-protocol 4.1 General Figure 2 – Communication model
20	4.2 Services provided by the DL
21	4.3 Structure of deterministic communication scheduling Figure 3 – Type 14 packet identifier
22	Figure 4 – Time-sharing communication scheduling
23	5 Procedure of deterministic communication scheduling 5.1 Overview 5.2 State transitions Figure 5 – State transitions of ECSME
25	5.3 State table Tables Table 1 – ECSME state transitions
26	5.4 Function descriptions Table 2 – PeriodicDataSendingSuc() description Table 3 – NonperiodicDataAnnunciation() description
27	Table 4 – PeriodicDataSending() description Table 5 – NonperiodicDataSendingSuc() description Table 6 – FirstNonperiodicDataSending() description Table 7 – NonperiodicDataPriority() description
28	Table 8 – NonperiodicDataTimeEnough() description Table 9 – NonperiodicDataSending() description Table 10 – EndOfNonperiodicDataSending() description Table 11 – IsDeviceConfigured() description
29	6 Structure and encoding of ECSME PDU 6.1 ECSME PDU structure Figure 6 – Format of NonPeriodicDataAnnunciation PDU Table 12 – CountOffsetTime() description Table 13 – DataSendingTiming() description Table 14 – RecEndofNonPeriodicDataSending() description
30	Figure 7 – Format of EndofNonPeriodicDataSending PDU
31	Figure 8 – Format of Type 14 PDU Figure 9 – Format of Type 14 PDU for FRT application
32	6.2 Encoding of ECSME packet Table 15 – NonPeriodicDataAnnunciation message encoding Table 16 – EndofNonPeriodicDataSending message encoding
33	Table 17 – Type 14 DL-management Tag encoding Table 18 – Type 14 message encoding
34	Table 19 – Type 14 message for FRT application encoding
35	Bibliography

Additional information

Status	Under Review
Pages	38
Publication Date	2014-11-30
ISBN	978 0 580 79446 9
Standard Number	BS EN 61158-4-14:2014
Title	Industrial communication networks. Fieldbus specifications – Data-link layer protocol specification. Type 14 elements
Identical National Standard Of	EN 62576:2010, IEC 61158-4-14:2014, EN 61158-4-14:2014
Replaces	BS EN 61158-4-14:2012
Descriptors	Automatic control systems, Communication networks, Fieldbus, Process control, Interfaces (data processing), Computer networks, Open systems interconnection, Industrial, Data link layer (OSI), Communication procedures, Bus networks, Data transmission
Publisher	BSI
Committee	GEL/65/3
ICS Codes	35.100.20 - Data link layer

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BS EN 61158-4-14:2014

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