IEC 61158-4-3:2010
(Main)Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol specification - Type 3 elements
Industrial communication networks - Fieldbus specifications - Part 4-3: Data-link layer protocol specification - Type 3 elements
IEC 61158-4-3:2010 describes the protocol that provides communication opportunities to a pre-selected "master" subset of data-link entities in a cyclic asynchronous manner, sequentially to each of those data-link entities. Other data-link entities communicate only as permitted and delegated by those master data-link entities. For a given master, its communications with other data-link entities can be cyclic, or acyclic with prioritized access, or a combination of the two. This protocol provides a means of sharing the available communication resources in a fair manner. There are provisions for time synchronization and for isochronous operation. This second edition cancels and replaces the first edition published in 2007 and constitutes a technical revision. The main changes with respect to the previous edition are:
- Corrections in Table A.15 and Table A.16;
- Expired patent removed and added new patents. This bilingual version (2012-07) corresponds to the monolingual English version, published in 2010-08.
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-3: Spécification du protocole de la couche de liaison de données - Eléments de Type 3
La CEI 61158-4-3:2010 spécifie un protocole qui donne les moyens de communiquer à un sous-ensemble "maître" présélectionné d'entités de liaison de données de manière asynchrone cyclique, séquentiellement pour chacune de ces entités de liaison de données. D'autres entités de liaison de données communiquent uniquement si elles sont autorisées et déléguées par ces entités de liaison de données "maîtres". Les communications d'un maître avec d'autres entités de liaison de données peuvent être cycliques ou acycliques avec accès selon un ordre de priorité, ou une combinaison des deux. Ce protocole est un moyen de partager de manière équitable les ressources de communication disponibles. Il comporte des dispositions de fonctionnement synchrone et isochrone. Cette deuxième édition annule et remplace la première édition publiée en 2007. Elle constitue une révision technique. Les principales modifications effectuées par rapport à l'édition antérieure sont:
- Des corrections ont été apportées au Tableau A.15 et au Tableau A.16;
- Les brevets qui ont expiré ont été retirés et de nouveaux brevets ont été ajoutés. La présente version bilingue (2012-07) correspond à la version anglaise monolingue publiée en 2010-08.
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IEC 61158-4-3 ®
Edition 2.0 2010-08
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 4-3: Data-link layer protocol specification – Type 3 elements
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 61158-4-3 ®
Edition 2.0 2010-08
INTERNATIONAL
STANDARD
Industrial communication networks – Fieldbus specifications –
Part 4-3: Data-link layer protocol specification – Type 3 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XH
ICS 25.04.40; 35.100.20; 35.110 ISBN 978-2-88912-085-7
– 2 – 61158-4-3 © IEC:2010(E)
CONTENTS
FOREWORD.6
INTRODUCTION.8
1 Scope.10
1.1 General .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.13
3.3 Common terms and definitions .14
3.4 Additional Type 3 definitions.16
3.5 Common symbols and abbreviations .18
3.6 Type 3 symbols and abbreviations.19
4 Common DL-protocol elements.23
4.1 Frame check sequence .23
5 Overview of the DL-protocol .25
5.1 General .25
5.2 Overview of the medium access control and transmission protocol .26
5.3 Transmission modes and DL-entity.27
5.4 Service assumed from the PhL .32
5.5 Operational elements .35
5.6 Cycle and system reaction times .50
6 General structure and encoding of DLPDUs, and related elements of procedure .53
6.1 DLPDU granularity .53
6.2 Length octet (LE, LEr) .54
6.3 Address octet .55
6.4 Control octet (FC).57
6.5 DLPDU content error detection.61
6.6 DATA_UNIT .62
6.7 Error control procedures.62
7 DLPDU-specific structure, encoding and elements of procedure .63
7.1 DLPDUs of fixed length with no data field.63
7.2 DLPDUs of fixed length with data field.65
7.3 DLPDUs with variable data field length.67
7.4 Token DLPDU .68
7.5 ASP DLPDU .69
7.6 SYNCH DLPDU .69
7.7 Time Event (TE) DLPDU.69
7.8 Clock Value (CV) DLPDU .69
7.9 Transmission procedures .70
8 Other DLE elements of procedure.73
8.1 DL-entity initialization .73
8.2 States of the media access control of the DL-entity .73
61158-4-3 © IEC:2010(E) – 3 –
8.3 Clock synchronization protocol .79
Annex A (normative) DL-Protocol state machines .84
Annex B (informative) Type 3 (synchronous): exemplary FCS implementations. 160
Annex C (informative) Type 3: Exemplary token procedure and message transfer
periods .162
Bibliography.170
Figure 1 – Relationships of DLSAPs, DLSAP-addresses and group DL-addresses .15
Figure 2 – Logical token-passing ring .28
Figure 3 – PhL data service for asynchronous transmission .32
Figure 4 – Idle time T .38
ID1
Figure 5 – Idle time T (SDN, CS) .38
ID2
Figure 6 – Idle time T (MSRD) .38
ID2
Figure 7 – Slot time T .39
SL1
Figure 8 – Slot time T .39
SL2
Figure 9 – Slot time T .44
SL1
Figure 10 – Slot time T .44
SL2
Figure 11 – Token transfer period .50
Figure 12 – Message transfer period.51
Figure 13 – UART character .54
Figure 14 – Octet structure .54
Figure 15 – Length octet coding.55
Figure 16 – Address octet coding.55
Figure 17 – DAE/SAE octet in the DLPDU.56
Figure 18 – Address extension octet .56
Figure 19 – FC octet coding for send/request DLPDUs .58
Figure 20 – FC octet coding for acknowledgement or response DLPDUs .58
Figure 21 – FCS octet coding.61
Figure 22 – Data field .62
Figure 23 – Ident user data.62
Figure 24 – DLPDUs of fixed length with no data field.64
Figure 25 – DLPDUs of fixed length with no data field.65
Figure 26 – DLPDUs of fixed length with data field .66
Figure 27 – DLPDUs of fixed length with data field .66
Figure 28 – DLPDUs with variable data field length.67
Figure 29 – DLPDUs with variable data field length.68
Figure 30 – Token DLPDU .68
Figure 31 – Token DLPDU .69
Figure 32 – Send/request DLPDU of fixed length with no data .70
Figure 33 – Token DLPDU and send/request DLPDU of fixed length with data.70
Figure 34 – Send/request DLPDU with variable data field length.71
Figure 35 – Send/request DLPDU of fixed length with no data .71
Figure 36 – Token DLPDU and send/request DLPDU of fixed length with data.72
– 4 – 61158-4-3 © IEC:2010(E)
Figure 37 – Send/request DLPDU with variable data field length.72
Figure 38 – DL-state-diagram .74
Figure 39 – Overview of clock synchronization.80
Figure 40 – Time master state machine .81
Figure 41 – Time receiver state machine .82
Figure 42 – Clock synchronization .83
Figure A.1 – Structuring of the protocol machines.85
Figure A.2 – Structure of the SRU Machine.142
Figure B.1 – Example of FCS generation for Type 3 (synchronous) . 160
Figure B.2 – Example of FCS syndrome checking on reception for Type 3
(synchronous).160
Figu
...
IEC 61158-4-3 ®
Edition 2.0 2010-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial communication networks – Fieldbus specifications –
Part 4-3: Data-link layer protocol specification – Type 3 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 4-3: Spécification du protocole de la couche de liaison de données –
Éléments de Type 3
All rights reserved. Unless otherwise specified, 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
either IEC or IEC's member National Committee in the country of the requester.
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International Standards for all electrical, electronic and related technologies.
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IEC 61158-4-3 ®
Edition 2.0 2010-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial communication networks – Fieldbus specifications –
Part 4-3: Data-link layer protocol specification – Type 3 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 4-3: Spécification du protocole de la couche de liaison de données –
Éléments de Type 3
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
XH
CODE PRIX
ICS 25.040.40; 35.100.20; 35.110 ISBN 978-2-83220-127-5
– 2 – 61158-4-3 IEC:2010
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 10
1.1 General . 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 . 13
3.3 Common terms and definitions . 14
3.4 Additional Type 3 definitions. 16
3.5 Common symbols and abbreviations . 18
3.6 Type 3 symbols and abbreviations . 19
4 Common DL-protocol elements . 23
4.1 Frame check sequence . 23
5 Overview of the DL-protocol . 25
5.1 General . 25
5.2 Overview of the medium access control and transmission protocol . 26
5.3 Transmission modes and DL-entity . 27
5.4 Service assumed from the PhL . 32
5.5 Operational elements . 35
5.6 Cycle and system reaction times . 50
6 General structure and encoding of DLPDUs, and related elements of procedure . 53
6.1 DLPDU granularity . 53
6.2 Length octet (LE, LEr) . 54
6.3 Address octet . 55
6.4 Control octet (FC) . 57
6.5 DLPDU content error detection . 61
6.6 DATA_UNIT . 62
6.7 Error control procedures . 62
7 DLPDU-specific structure, encoding and elements of procedure . 63
7.1 DLPDUs of fixed length with no data field . 63
7.2 DLPDUs of fixed length with data field . 65
7.3 DLPDUs with variable data field length . 67
7.4 Token DLPDU . 68
7.5 ASP DLPDU . 69
7.6 SYNCH DLPDU . 69
7.7 Time Event (TE) DLPDU . 69
7.8 Clock Value (CV) DLPDU . 69
7.9 Transmission procedures . 70
8 Other DLE elements of procedure. 73
8.1 DL-entity initialization . 73
8.2 States of the media access control of the DL-entity . 73
61158-4-3 IEC:2010 – 3 –
8.3 Clock synchronization protocol . 79
Annex A (normative) DL-Protocol state machines . 84
Annex B (informative) Type 3 (synchronous): exemplary FCS implementations . 160
Annex C (informative) Type 3: Exemplary token procedure and message transfer
periods . 162
Bibliography . 170
Figure 1 – Relationships of DLSAPs, DLSAP-addresses and group DL-addresses . 15
Figure 2 – Logical token-passing ring . 28
Figure 3 – PhL data service for asynchronous transmission . 32
Figure 4 – Idle time T . 38
ID1
Figure 5 – Idle time T (SDN, CS) . 38
ID2
Figure 6 – Idle time T (MSRD) . 38
ID2
Figure 7 – Slot time T . 39
SL1
Figure 8 – Slot time T . 39
SL2
Figure 9 – Slot time T . 44
SL1
Figure 10 – Slot time T . 44
SL2
Figure 11 – Token transfer period . 50
Figure 12 – Message transfer period . 51
Figure 13 – UART character . 54
Figure 14 – Octet structure . 54
Figure 15 – Length octet coding . 55
Figure 16 – Address octet coding . 55
Figure 17 – DAE/SAE octet in the DLPDU . 56
Figure 18 – Address extension octet . 56
Figure 19 – FC octet coding for send/request DLPDUs . 58
Figure 20 – FC octet coding for acknowledgement or response DLPDUs . 58
Figure 21 – FCS octet coding. 61
Figure 22 – Data field .
...
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