Industrial communication networks - Fieldbus specifications - Part 4-11: Data-link layer protocol specificationn - Type 11 elements

IEC 61158-4-11:2014 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; procedures for giving communications opportunities to all participating DL entities, sequentially and in a cyclic manner for deterministic and synchronized transfer at cyclic intervals up to one millisecond; procedures for giving communication opportunities available for time-critical data transmission together with non-time-critical data transmission without prejudice to the time-critical data transmission; procedures for giving cyclic and acyclic communication opportunities for time-critical data transmission with prioritized access; procedures for giving communication opportunities based on standard ISO/IEC 8802-3 medium access control, with provisions for nodes to be added or removed during normal operation 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: Subclauses 4.6.1, 4.6.4 and 5.4.6, Clause 6 and 7.2 for the loop-architecture are modified to cover the additional specifications for the higher data rate in the loop-architecture.

Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-11: Spécification du protocole de la couche liaison de données - Eléments de type 11

L'IEC 61158-4-11:2014 spécifie les procédures pour le transfert en temps utile de données et d'informations de commande d'une entité d'utilisateur de liaison de données vers une entité d'utilisateur homologue, et parmi les entités de liaison de données formant le fournisseur de service de liaison de données distribué; les procédures permettant à toutes les entités DL participantes de communiquer, de manière séquentielle et cyclique dans le cadre d'un transfert déterministe et synchronisé, à intervalles cycliques d'une milliseconde au maximum; les procédures permettant à la transmission de données prioritaires de communiquer avec une transmission de données non prioritaires, sans préjudice pour la première; les procédures permettant à la transmission de données prioritaires de communiquer de manière cyclique et acyclique, avec un accès en priorité; les procédures permettant d'assurer la communication en fonction du contrôle d'accès au support ISO/CEI 8802-3, avec des dispositions relatives aux n uds à ajouter ou retirer pendant le fonctionnement normal; et la structure des DLPDU du bus de terrain utilisée pour le transfert de données et d'informations de commande par le protocole de la présente norme, et leur représentation comme unités de données d'interface physique. Cette troisième édition annule et remplace la deuxième édition, parue en 2010. Elle constitue une révision technique. Les modifications principales sont: les Paragraphes 4.6.1, 4.6.4 et 5.4.6, l'Article 6 et 7.2 pour l'architecture en boucle ont été modifiés pour couvrir les spécifications supplémentaires relatives au débit de données plus élevé dans l'architecture en boucle.

General Information

Status
Published
Publication Date
14-Aug-2014
Technical Committee
Current Stage
PPUB - Publication issued
Start Date
15-Aug-2014
Completion Date
15-Aug-2014
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IEC 61158-4-11
Edition 3.0 2014-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial communication networks – Fieldbus specifications –
Part 4-11: Data-link layer protocol specification – Type 11 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 4-11: Spécification du protocole de la couche liaison de données –
Eléments de type 11
IEC 61158-4-11:2014-08(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61158-4-11
Edition 3.0 2014-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Industrial communication networks – Fieldbus specifications –
Part 4-11: Data-link layer protocol specification – Type 11 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 4-11: Spécification du protocole de la couche liaison de données –
Eléments de type 11
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XH
ICS 25.040.40; 35.100.20; 35.110 ISBN 978-2-8322-1723-8

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 61158-4-11:2014 © IEC 2014
CONTENTS

FOREWORD ........................................................................................................................... 7

INTRODUCTION ..................................................................................................................... 9

1 Scope ............................................................................................................................. 11

1.1 General ................................................................................................................. 11

1.2 Specifications ........................................................................................................ 11

1.3 Procedures ............................................................................................................ 11

1.4 Applicability ........................................................................................................... 12

1.5 Conformance ......................................................................................................... 12

2 Normative references ..................................................................................................... 12

3 Terms, definitions, symbols and abbreviations ................................................................ 12

3.1 Reference model terms and definitions .................................................................. 12

3.2 Service convention terms and definitions ............................................................... 14

3.3 Terms and definitions ............................................................................................ 15

3.4 Symbols and abbreviations .................................................................................... 19

4 Overview of the DL-protocol ........................................................................................... 20

4.1 General ................................................................................................................. 20

4.2 Overview of the medium access control ................................................................. 21

4.3 Service assumed from the PhL .............................................................................. 22

4.4 DLL architecture .................................................................................................... 23

4.5 Access control machine and schedule support functions ....................................... 27

4.6 Local parameters, variables, counters, timers and queues ..................................... 28

5 General structure and encoding of PhIDU and DLPDU and related elements of

procedure ....................................................................................................................... 47

5.1 Overview ............................................................................................................... 47

5.2 PhIDU structure and encoding ............................................................................... 47

5.3 Common MAC frame structure, encoding and elements of procedure .................... 48

5.4 Elements of the MAC frame ................................................................................... 48

5.5 Order of bit transmission ....................................................................................... 53

5.6 Invalid DLPDU ....................................................................................................... 53

6 DLPDU-specific structure, encoding and elements of procedure ..................................... 54

6.1 General ................................................................................................................. 54

6.2 Synchronization DLPDU (SYN) .............................................................................. 54

6.3 Transmission complete DLPDU (CMP) .................................................................. 60

6.4 In-ring request DLPDU (REQ) ............................................................................... 61

6.5 Claim DLPDU (CLM) ............................................................................................. 63

6.6 Command DLPDU (COM) ...................................................................................... 64

6.7 Cyclic data and cyclic data with transmission complete DLPDU (DT) and

(DT-CMP) .............................................................................................................. 65

6.8 RAS DLPDU (RAS) ............................................................................................... 67

6.9 Loop repeat request DLPDU (LRR) ....................................................................... 68

6.10 Loop diagnosis DLPDU (LPD) ............................................................................... 72

7 DLE elements of procedure ............................................................................................ 72

7.1 DLE elements of procedure for star-architecture .................................................... 72

7.2 DLE elements of procedure for loop-architecture ................................................... 96

7.3 Serializer and deserializer ................................................................................... 150

7.4 DLL management protocol ................................................................................... 150

---------------------- Page: 4 ----------------------
IEC 61158-4-11:2014 © IEC 2014 – 3 –

Bibliography ........................................................................................................................ 161

Figure 1 – Relationships of DLSAPs, DLSAP-addresses and group DL-addresses ................ 16

Figure 2 – Basic principle of medium access control ............................................................. 21

Figure 3 – Interaction of PhS primitives to DLE ..................................................................... 23

Figure 4 – Data-link layer internal architecture of star-architecture ....................................... 25

Figure 5 – Data-link layer internal architecture of loop-architecture ....................................... 27

Figure 6 – Common MAC frame format for DLPDUs .............................................................. 48

Figure 7 – Structure of FC field ............................................................................................. 49

Figure 8 – Structure of SYN DLPDU ..................................................................................... 55

Figure 9 – Structure of CMP DLPDU ..................................................................................... 60

Figure 10 – Structure of REQ DLPDU ................................................................................... 61

Figure 11 – Structure of CLM DLPDU ................................................................................... 63

Figure 12 – Structure of COM DLPDU ................................................................................... 65

Figure 13 – Structure of DT DLPDU ...................................................................................... 66

Figure 14 – Structure of RAS DLPDU.................................................................................... 67

Figure 15 – Structure of User data of loop-architecture ......................................................... 67

Figure 16 – Structure of LRR DLPDU .................................................................................... 68

Figure 17 – Open-ring under control ..................................................................................... 70

Figure 18 – Structure of LPD DLPDU .................................................................................... 72

Figure 19 – Overall structure of DLL ..................................................................................... 73

Figure 20 – DLE state transition ............................................................................................ 74

Figure 21 – State transition diagram of CTRC ....................................................................... 76

Figure 22 – State transition diagram of STRC ....................................................................... 79

Figure 23 – State transition diagram of ACM ......................................................................... 83

Figure 24 – State transition diagram of RMC sending and send arbitration ........................... 91

Figure 25 – State transition diagram of RMC receiving .......................................................... 94

Figure 26 – Overall structure of DLL ..................................................................................... 97

Figure 27 – DLE state transition ............................................................................................ 98

Figure 28 – State transition diagram of CTRC ..................................................................... 100

Figure 29 – State transition diagram of STRC ..................................................................... 104

Figure 30 – State transition diagram of ACM for 100 Mbps operation .................................. 108

Figure 31 – State transition diagram of ACM for 1 000 Mbps operation ............................... 109

Figure 32 – State transition diagram of RMC for 100 Mbps operation .................................. 129

Figure 33 – State transition diagram of RMC for 1 000 Mbps operation ............................... 130

Figure 34 – State transition diagram of DLM ....................................................................... 153

Figure 35 – State transition diagram of DLM ....................................................................... 157

---------------------- Page: 5 ----------------------
– 4 – IEC 61158-4-11:2014 © IEC 2014

Table 1 – Data-link layer components of star-architecture ..................................................... 24

Table 2 – Data-link layer components of loop-architecture .................................................... 26

Table 3 – DLE-variables and permissible values of star-architecture ..................................... 29

Table 4 – Observable variables and their value ranges of star-architecture ........................... 31

Table 5 – DLE variables and permissible values of loop-architecture .................................... 32

Table 6 – Observable variables and their value ranges of loop-architecture .......................... 35

Table 7 – F-type: DLPDU type .............................................................................................. 50

Table 8 – FCS length, polynomials and constants ................................................................. 51

Table 9 – PN-parameter: 3rd octet ........................................................................................ 55

Table 10 – Structure of CW: 4th octet ................................................................................... 56

Table 11 – PM parameter ..................................................................................................... 56

Table 12 – RMSEL parameter ............................................................................................... 56

Table 13 – Structure of CW: 4th octet ................................................................................... 57

Table 14 – ST-parameter: 5th octet....................................................................................... 57

Table 15 – Th-parameter: 6th, 7th and 8th octets .................................................................. 57

Table 16 – Tm-parameter: 9th and 10th octets ...................................................................... 58

Table 17 – Ts-parameter: 11th and 12th octet ....................................................................... 58

Table 18 – Tl parameter: 13th and 14th octets ...................................................................... 58

Table 19 – LL parameters: 15th to 46th octets ...................................................................... 59

Table 20 – NM parameter ..................................................................................................... 61

Table 21 – RN parameter ...................................................................................................... 62

Table 22 – CLM parameter: 4th octet .................................................................................... 63

Table 23 – DT parameter: 3rd and 4th octets ........................................................................ 66

Table 24 – RAS parameter: 3rd and 4th octets ...................................................................... 67

Table 25 – Format of the PS parameter: 3rd octet ................................................................. 69

Table 26 – The value of the PP parameter ............................................................................ 69

Table 27 – The value of the send-enable-A/-B ...................................................................... 69

Table 28 – The value of the receive-enable-A/-B................................................................... 69

Table 29 – The value of the forward-enable-A/-B .................................................................. 70

Table 30 – RN parameter: 4th octet ...................................................................................... 70

Table 31 – Operational condition of the node ........................................................................ 71

Table 32 – Primitives exchanged between DLS-user and CTRC............................................ 75

Table 33 – Primitives exchanged between CTRC and ACM ................................................... 75

Table 34 – Parameters used with primitives exchanged between DLS-user and CTRC ......... 76

Table 35 – CTRC state table ................................................................................................. 77

Table 36 – CTRC functions table .......................................................................................... 78

Table 37 – Primitives exchanged between DLS-user and STRC ............................................ 78

Table 38 – Primitives exchanged between STRC and ACM ................................................... 79

Table 39 – Parameters used with primitives exchanged between DLS-user and STRC ......... 79

Table 40 – STRC state table ................................................................................................. 80

Table 41 – STRC functions table .......................................................................................... 81

Table 42 – Primitives exchanged between ACM and RMC .................................................... 82

Table 43 – Parameters used with primitives exchanged between ACM and RMC .................. 82

---------------------- Page: 6 ----------------------
IEC 61158-4-11:2014 © IEC 2014 – 5 –

Table 44 – Primitives exchanged between ACM and CTRC ................................................... 82

Table 45 – Parameters used with primitives exchanged between ACM and CTRC ................ 82

Table 46 – Primitives exchanged between ACM and STRC ................................................... 83

Table 47 – Parameters used with primitives exchanged between ACM and STRC................. 83

Table 48 – ACM state table ................................................................................................... 84

Table 49 – ACM function table .............................................................................................. 89

Table 50 – Primitives exchanged between ACM and RMC .................................................... 90

Table 51 – Primitives exchanged between RMC and serializer / deserializer ......................... 90

Table 52 – Primitives exchanged between RMC and Ph-layer ............................................... 90

Table 53 – Parameters between RMC and ACM ................................................................... 90

Table 54 – Parameters between RMC and Ph-layer .............................................................. 91

Table 55 – State table of RMC sending ................................................................................. 92

Table 56 – State table of RMC send arbitration ..................................................................... 93

Table 57 – State table for RMC receiving .............................................................................. 94

Table 58 – RMC function table .............................................................................................. 96

Table 59 – Primitives exchanged between DLS-user and CTRC............................................ 99

Table 60 – Primitives exchanged between CTRC and ACM ................................................. 100

Table 61 – Parameters used with primitives exchanged between DLS-user and CTRC ....... 100

Table 62 – CTRC state table ............................................................................................... 101

Table 63 – CTRC functions table ........................................................................................ 102

Table 64 – Primitives exchanged between DLS-user and STRC .......................................... 103

Table 65 – Primitives exchanged between STRC and ACM ................................................. 103

Table 66 – Parameters used with primitives exchanged between DLS-user and STRC ....... 103

Table 67 – STRC state table ............................................................................................... 104

Table 68 – STRC functions table ........................................................................................ 105

Table 69 – Primitives exchanged between ACM and RMC .................................................. 106

Table 70 – Parameters used with primitives exchanged between ACM and RMC ................ 106

Table 71 – Primitives exchanged between ACM and CTRC ................................................. 106

Table 72 – Parameters used with primitives exchanged between ACM and CTRC .............. 106

Table 73 – Primitives exchanged between ACM and STRC ................................................. 107

Table 74 – Parameters used with primitives exchanged between ACM and STRC............... 107

Table 75 – ACM state table for 100 Mbps operation ............................................................ 110

Table 76 – ACM state table for 1 000 Mbps operation ......................................................... 117

Table 77 – ACM function table ............................................................................................ 126

Table 78 – Primitives exchanged between ACM and RMC .................................................. 127

Table 79 – Primitives exchanged between RMC and Serializer / Deserializer ...................... 127

Table 80 – Primitives exchanged between RMS and Ph-layer ............................................. 127

Table 81 – Parameters between RMC and ACM ................................................................. 128

Table 82 – Parameters between RMC and Serializer / Deserializer, Ph-layer ...................... 128

Table 83 – State table of RMC for 100 Mbps operation ....................................................... 130

Table 84 – State table of RMC for 1 000 Mbps operation .................................................... 140

Table 85 – The RMC function table ..................................................................................... 150

Table 86 – Primitives exchanged between DLMS-user and DLM ......................................... 151

---------------------- Page: 7 ----------------------
– 6 – IEC 61158-4-11:2014 © IEC 2014

Table 87 – Parameters used with primitives exchanged between DL-user and DLM ............ 151

Table 88 – Event-related state change variables ................................................................. 152

Table 89 – DLM state table ................................................................................................. 153

Table 90 – DLM function table ............................................................................................ 155

Table 91 – Primitives exchanged between DLMS-user and DLM ......................................... 156

Table 92 – Parameters used with primitives exchanged between DL-user and DLM ............ 156

Table 93 – Event-related state change variables ................................................................. 157

Table 94 – DLM state table ................................................................................................. 158

Table 95 – DLM function table ............................................................................................ 160

---------------------- Page: 8 ----------------------
IEC 61158-4-11:2014 © IEC 2014 – 7 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL COMMUNICATION NETWORKS –
FIELDBUS SPECIFICATIONS –
Part 4-11: Data-link layer protocol specification –
Type 11 elements
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