IEC 61158-3:2000

INTERNATIONAL
IEC
STANDARD
61158-3
Second edition
2000-01
Digital data communications for
measurement and control –
Fieldbus for use in industrial control systems –
Part 3 :
Data Link Service definition
Reference number
Numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series.
Consolidated publications
Consolidated versions of some IEC publications including amendments are

available. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the
base publication, the base publication incorporating amendment 1 and the base

publication incorporating amendments 1 and 2.

Validity of this publication
The technical content of IEC publications is kept under constant review by the IEC,
thus ensuring that the content reflects current technology.
Information relating to the date of the reconfirmation of the publication is available
in the IEC catalogue.
Information on the subjects under consideration and work in progress undertaken by
the technical committee which has prepared this publication, as well as the list of
publications issued, is to be found at the following IEC sources:
• IEC web site*
• Catalogue of IEC publications
Published yearly with regular updates
(On-line catalogue)*
• IEC Bulletin
Available both at the IEC web site* and as a printed periodical
Terminology, graphical and letter symbols
For general terminology, readers are referred to IEC 60050: International
Electrotechnical Vocabulary (IEV).
For graphical symbols, and letter symbols and signs approved by the IEC for
general use, readers are referred to publications IEC 60027: Letter symbols to be
used in electrical technology, IEC 60417: Graphical symbols for use on equipment.
Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols
for diagrams.
* See web site address on title page.

INTERNATIONAL IEC
STANDARD 61158-3
Second edition
2000-01
Digital data communications for
measurement and control –
Fieldbus for use in industrial control systems –
Part 3 :
Data Link Service definition
© IEC 2000 – Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
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For price, see current catalogue

– 2 – 61158-3 © IEC:2000(E)
CONTENTS
Page
FOREWORD .16

INTRODUCTION . 18

Clause
1 Scope and object . 19

1.1 Specifications . 20

1.2 Conformance . 20
2 Normative references . 21
2.1 Common normative references. 21
2.2 Type 1: additional normative references . 21
2.3 Type 2: additional normative references . 21
2.4 Type 3: additional normative references . 21
2.5 Type 4: additional normative references . 21
2.6 Type 6: additional normative references . 21
2.7 Type 7: additional normative references . 22
2.8 Type 8: additional normative references . 22
3 Definitions. 23
3.1 Reference model definitions . 23
3.2 Service convention definitions . 25
3.3 Common Data Link Service definitions . 26
3.4 Type 1: additional Data Link Service definitions . 28
3.5 Type 2: additional Data Link Service definitions . 30
3.6 Type 3: additional Data Link Service definitions . 32
3.7 Type 4: additional Data Link Service definitions . 33
3.8 Type 6: additional Data Link Service definitions . 34
3.9 Type 7: additional Data Link Service definitions . 43
3.10 Type 8: additional Data Link Service definitions . 46
4 Symbols and abbreviations. 47
4.1 Common symbols and abbreviations . 47
4.2 Type 1: additional symbols and abbreviations . 47
4.3 Type 2: additional symbols and abbreviations . 47
4.4 Type 3: additional symbols and abbreviations . 48
4.5 Type 4: additional symbols and abbreviations . 51

4.6 Type 6: additional symbols and abbreviations . 51
4.7 Type 7: additional symbols and abbreviations . 51
4.8 Type 8: additional symbols and abbreviations . 52
5 Conventions . 53
5.1 General conventions . 53
5.2 Type 1: additional conventions . 54
5.3 Type 2: additional conventions . 55
5.4 Type 3: additional conventions . 55
5.5 Type 4: additional conventions . 55
5.6 Type 6: additional conventions . 55
5.7 Type 7: additional conventions . 56
5.8 Type 8: additional conventions . 56
6 Type 1: Overview of the Data Link Service. 57
6.2 Types and classes of Data Link Service. 60
6.3 Quality of Service (QoS) attributes common to multiple types of Data Link Service. 60

61158-3 © IEC:2000(E) – 3 –
7 Type 1: DL(SAP)-address, queue and buffer management Data Link Service. 66

7.1 Facilities of the DL(SAP)-address, queue and buffer management Data Link

Service . 66

7.2 Model of the DL(SAP)-address, queue and buffer management Data Link Service . 66

7.3 Sequence of primitives at one DLSAP . 66
7.4 DL(SAP)-address, queue and buffer management facilities. 68
7.5 Type 1: facilities of the connection-mode Data Link Service . 83

8 Type 1: Connection-mode Data Link Service. 85

8.1 Model of the connection-mode Data Link Service. 85

8.2 Quality of connection-mode service . 92

8.3 Sequence of primitives . 98
8.4 Connection establishment phase . 109
8.5 Connection release phase . 116
8.6 Data transfer phase. 123
9 Type 1: Connectionless-mode Data Link Service . 136
9.1 Facilities of the connectionless-mode Data Link Service . 136
9.2 Model of the connectionless-mode Data Link Service . 136
9.3 Quality of connectionless-mode service. 138
9.4 Sequence of primitives . 139
9.5 Connectionless-mode functions. 141
10 Type 1: Time and scheduling guidance Data Link Service . 153
10.1 Facilities and classes of the time and scheduling guidance Data Link Service . 153
10.2 Model of the time and scheduling guidance Data Link Service . 154
10.3 Quality of scheduling guidance service . 154
10.4 Sequence of primitives at one DLE. 154
10.5 Scheduling guidance functions . 156
11 Types 1 and 4: DL-management Service . 167
11.1 Scope and inheritance. 167
11.2 Facilities of the DL-management service . 167
11.3 Model of the DL-management service. 167
11.4 Constraints on sequence of primitives . 167
11.5 Set. 168
11.6 Get . 169
11.7 Action . 169
11.8 Event . 171
12 Type 2: Connection-mode and connectionless-mode Data Link Service. 172
12.1 Overview. 172

12.2 Facilities of the Data Link Service. 175
12.3 Model of the Data Link Service. 176
12.4 Sequence of primitives . 178
12.5 Connection-mode data transfer . 180
12.6 Connectionless-mode data transfer . 182
12.7 Queue maintenance . 185
12.8 Tag filter . 187
13 Type 2: DL-management Services . 189
13.1 Sequence of primitives . 189
13.2 Link synchronization. 190
13.3 Synchronized parameter change . 190
13.4 Event reports . 193
13.5 Bad FCS . 195
13.6 Current Moderator. 195

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13.7 Enable moderator. 196

13.8 Power-up and online . 197

13.9 Listen only . 198

13.10 Time distribution . 198

14 Type 3: Connectionless-mode Data Link Service . 201

14.1 General.
...