SIST EN IEC 61158-4-19:2019
(Main)Industrial communication networks - Fieldbus specifications - Part 4 -19: Data-link layer protocol specification - Type 19 elements (IEC 61158-4-19:2019)
Industrial communication networks - Fieldbus specifications - Part 4 -19: Data-link layer protocol specification - Type 19 elements (IEC 61158-4-19:2019)
The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to all participating data- link entities a) in a synchronously-starting cyclic manner, according to a pre-established schedule, and b) in a cyclic or acyclic asynchronous manner, as requested each cycle by each of those data-link entities. Thus this protocol can be characterized as one which provides cyclic and acyclic access asynchronously but with a synchronous restart of each cycle.
Industrielle Kommunikationsnetze - Feldbusse - Teil 4-19: Protokollspezifikation des Data Link Layer (Sicherungsschicht) - Typ 19-Elemente (IEC 61158-4-19:2019)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-19: Spécification du protocole de la couche liaison de données - Eléments de type 19 (IEC 61158-4-19:2019)
IEC 61158-4-19:2019 La couche liaison de données assure les communications de messagerie prioritaires de base entre les appareils d’un environnement d’automatisation.
Ce protocole offre à toutes les entités de liaison de données participantes
a) des opportunités de communication cyclique à démarrage synchrone, selon un ordre préétabli, et
b) de manière asynchrone cyclique ou acyclique, tel que requis à chaque cycle par chacune de ces entités de liaison de données.
Ainsi, ce protocole peut être caractérisé comme un protocole qui offre un accès cyclique et acyclique asynchrone, mais avec un redémarrage synchrone de chaque cycle.
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 4-19. del: Specifikacija protokola na ravni podatkovnih povezav - Elementi tipa 19 (IEC 61158-4-19:2019)
Nivo podatkovnih povezav omogoča osnovne časovno kritične sporočilne komunikacije med napravami v avtomatizacijskem okolju. Ta protokol omogoča komunikacijske priložnosti vsem sodelujočim entitetam podatkovnih povezav: a) na cikličen način s sinhronim začetkom v skladu z vnaprej določenim razporedom in b) na cikličen ali necikličen asinhroni način, kot posamezne entitete podatkovnih povezav zahtevajo v vsakem ciklu. Tako lahko ta protokol opredelimo kot protokol, ki asinhrono omogoča cikličen in acikličen dostop s sinhronim ponovnim zagonom vsakega cikla.
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SLOVENSKI STANDARD
SIST EN IEC 61158-4-19:2019
01-november-2019
Nadomešča:
SIST EN 61158-4-19:2015
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 4-19. del:
Specifikacija protokola na ravni podatkovnih povezav - Elementi tipa 19 (IEC 61158
-4-19:2019)
Industrial communication networks - Fieldbus specifications - Part 4 -19: Data-link layer
protocol specification - Type 19 elements (IEC 61158-4-19:2019)
Industrielle Kommunikationsnetze - Feldbusse - Teil 4-19: Protokollspezifikation des
Data Link Layer (Sicherungsschicht) - Typ 19-Elemente (IEC 61158-4-19:2019)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-19:
Spécification du protocole de la couche liaison de données - Eléments de type 19 (IEC
61158-4-19:2019)
Ta slovenski standard je istoveten z: EN IEC 61158-4-19:2019
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.100.20 Podatkovni povezovalni sloj Data link layer
35.110 Omreževanje Networking
SIST EN IEC 61158-4-19:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
SIST EN IEC 61158-4-19:2019
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SIST EN IEC 61158-4-19:2019
EUROPEAN STANDARD EN IEC 61158-4-19
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2019
Supersedes EN 61158-4-19:2014
ICS 25.040.40; 35.100.20; 35.110
English Version
Industrial communication networks - Fieldbus specifications -
Part 4 -19: Data-link layer protocol specification - Type 19
elements
(IEC 61158-4-19:2019)
Réseaux de communication industriels - Spécifications des Industrielle Kommunikationsnetze - Feldbusse - Teil 4-19:
bus de terrain - Partie 4-19: Spécification du protocole de la Protokollspezifikation des Data Link Layer
couche liaison de données - Eléments de type 19 (Sicherungsschicht) - Typ 19-Elemente
(IEC 61158-4-19:2019) (IEC 61158-4-19:2019)
This European Standard was approved by CENELEC on 2019-05-23. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61158-4-19:2019 E
---------------------- Page: 3 ----------------------
SIST EN IEC 61158-4-19:2019
EN IEC 61158-4-19:2019 (E)
European foreword
The text of document 65C/946/FDIS, future edition 4 of IEC 61158-4-19, prepared by SC 65C
"Industrial networks" of IEC/TC 65 "Industrial-process measurement, control and automation" was
submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 61158-4-
19:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-02-23
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-05-23
document have to be withdrawn
This document supersedes EN 61158-4-19:2014.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 61158-4-19:2019 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 61131 series NOTE Harmonized as EN 61131 series
IEC 61158-1 NOTE Harmonized as EN 61158-1
IEC 61158-3-19 NOTE Harmonized as EN 61158-3-19
IEC 61158-5-16 NOTE Harmonized as EN 61158-5-16
IEC 61158-5-19 NOTE Harmonized as EN 61158-5-19
IEC 61158-6-16 NOTE Harmonized as EN 61158-6-16
IEC 61158-6-19 NOTE Harmonized as EN 61158-6-19
IEC 61784-1 NOTE Harmonized as EN 61784-1
IEC 61784-2 NOTE Harmonized as EN 61784-2
IEC 61800-7 series NOTE Harmonized as EN 61800-7 series
2
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SIST EN IEC 61158-4-19:2019
EN IEC 61158-4-19:2019 (E)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 61158-4-16 2007 Industrial communication networks - EN 61158-4-16 2008
Fieldbus specifications - Part 4-16: Data-
link layer protocol specification - Type 16
elements
ISO 8601 - Data elements and interchange formats – - -
Information interchange – Representation
of dates and times
ISO/IEC 7498-1 - Information technology - Open Systems - -
Interconnection - Basic reference model:
The basic model
ISO/IEC 7498-3 - Information technology - Open Systems - -
Interconnection - Basic reference model:
Naming and addressing
ISO/IEC/IEEE 8802-- Information technology – - -
3 Telecommunications and information
exchange between systems – Local and
metropolitan area networks – Specific
requirements – Part 3: Standard for
Ethernet
IEEE Std 802.3 - IEEE Standard for Information technology - -
– Telecommunications and information
exchange between systems – Local and
metropolitan area networks – Specific
requirements – Part 3: Carrier Sense
Multiple Access with Collision Detection
(CSMA/CD) Access Method and Physical
Layer Specifications
RFC 879 - The TCP - Maximum Segment Size and
Related Topics
3
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SIST EN IEC 61158-4-19:2019
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SIST EN IEC 61158-4-19:2019
IEC 61158-4-19
®
Edition 4.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 4-19: Data-link layer protocol specification – Type 19 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.20; 35.110 ISBN 978-2-8322-6776-9
Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 7 ----------------------
SIST EN IEC 61158-4-19:2019
– 2 – IEC 61158-4-19:2019 © IEC 2019
CONTENTS
FOREWORD . 24
INTRODUCTION . 26
1 Scope . 28
1.1 General . 28
1.2 Specifications . 28
1.3 Procedures . 28
1.4 Applicability . 28
1.5 Conformance . 29
2 Normative references . 29
3 Terms, definitions, symbols, acronyms, abbreviations and conventions . 29
3.1 Reference model terms and definitions . 29
3.2 Additional Type 19 terms and definitions . 30
3.3 Symbols . 33
3.4 Acronyms and abbreviations . 34
3.5 Additional conventions . 35
4 DL-protocol overview . 35
4.1 Overview . 35
4.2 General DLPDU identification . 37
4.2.1 Introduction . 37
4.2.2 Destination address (Dest MAC) . 37
4.2.3 Source address (Src MAC) . 37
4.2.4 EtherType . 37
4.3 General DLPDU structure . 37
4.3.1 Introduction . 37
4.3.2 DLPDU header . 38
4.3.3 DLPDU payload . 38
4.4 DLPDU header . 38
4.4.1 Introduction . 38
4.4.2 DLPDU type. 38
4.5 MDT DLPDU . 39
4.5.1 MDT MST field summary . 39
4.5.2 Evaluation of MDT header in the slaves . 39
4.5.3 MDT type . 40
4.5.4 MDT phase . 40
4.5.5 MDT CRC . 40
4.5.6 MDT payload during initialization . 40
4.5.7 MDT payload in normal operation (CP4) . 44
4.6 AT DLPDU . 51
4.6.1 AT header field summary . 51
4.6.2 Evaluation of AT header in the slaves . 51
4.6.3 AT type . 52
4.6.4 AT phase . 52
4.6.5 AT CRC . 52
4.6.6 AT Payload during initialization . 52
4.6.7 AT payload in CP4 . 56
4.7 Mechanisms of connections . 62
4.7.1 Introduction . 62
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SIST EN IEC 61158-4-19:2019
IEC 61158-4-19:2019 © IEC 2019 – 3 –
4.7.2 Configuration of connections . 63
4.7.3 Connection control . 64
4.7.4 Producer state machine . 66
4.7.5 Consumer state machine . 68
5 DL management . 72
5.1 Overview . 72
5.2 Initialization of cyclic communication. 72
5.2.1 Introduction . 72
5.2.2 Communication phases (CP) . 73
5.2.3 Switching of communication phases (CPS) . 86
5.2.4 Communication Version . 98
5.2.5 Address allocation in the master and slave . 99
5.3 Network topologies . 101
5.3.1 Introduction . 101
5.3.2 Ring topology . 102
5.3.3 Line topology . 102
5.3.4 Topology conditions of a slave device . 103
5.3.5 Topology conditions of a multi-slave device . 104
5.3.6 Topology state machine . 108
5.3.7 States of Topology state machine of slave . 109
5.3.8 Transitions of Topology state machine . 110
5.4 Redundancy of RT communication with ring topology . 112
5.4.1 Introduction . 112
5.4.2 Sequence with ring break . 112
5.4.3 Recovery of ring topology . 113
5.4.4 Recovery of P channel . 114
5.4.5 Recovery of S channel . 115
5.5 Hot-plug procedure . 115
5.5.1 Introduction . 115
5.5.2 Hot-plug state machine . 116
5.5.3 States of HP state machine . 117
5.5.4 Transitions of HP state machine . 121
5.6 Watchdog . 122
5.7 Status procedures . 122
6 Data transmission methods . 123
6.1 Overview . 123
6.2 Service channel (SVC) . 123
6.2.1 SVC handling . 123
6.2.2 Opening and closing SVC . 124
6.2.3 Selection of data block element . 124
6.2.4 Changing of data block element . 124
6.2.5 Transmission steps . 125
6.2.6 SVC valid . 126
6.2.7 Handshake bits . 126
6.2.8 Read/Write . 127
6.2.9 Busy bit . 127
6.2.10 Service channel initialization . 128
6.2.11 Reaction to SVC handshake timeout . 128
6.2.12 Reaction to error messages in the service channel . 128
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SIST EN IEC 61158-4-19:2019
– 4 – IEC 61158-4-19:2019 © IEC 2019
6.2.13 Service channel error messages . 128
6.2.14 Procedure command functions via the service channel . 131
6.3 RT Channel . 137
6.3.1 Introduction . 137
6.3.2 Read_Cyclic (RDC) . 137
6.3.3 Write_Cyclic (WRC) . 137
6.3.4 Notify_Cyclic_Data (NCD) . 137
6.4 Transmission and activation of Type 19 time . 137
6.5 Multiplexing of real-time data with data containers . 139
6.5.1 General . 139
6.5.2 Functionality of standard data container . 141
6.5.3 Functionality of extended data container (preferred function) . 145
6.5.4 Data container diagnostic . 150
6.6 Handling of Real-time bits . 150
6.6.1 General . 150
6.6.2 Real-time bits (RTB) . 151
6.6.3 RTB word container . 152
6.6.4 RTB list container . 152
6.7 SMP. 153
6.7.1 Definitions . 153
6.7.2 Structure of the Session Control Header (SCH) . 154
6.7.3 Evaluation sequence of session control header by the consumer . 156
6.7.4 Multiplexing of two sessions (example) . 157
6.7.5 Priorization . 157
6.7.6 Diagnosis of SMP . 158
6.7.7 Definition of SMP containers . 158
6.7.8 Example . 158
6.8 Oversampling . 159
6.8.1 Description . 159
6.8.2 General . 159
6.8.3 Constraints . 159
6.8.4 Oversampling Input . 159
6.8.5 Oversampling Output . 160
6.8.6 Oversampling Identification . 160
6.8.7 Oversampling Configuration . 161
6.8.8 Application example . 161
6.8.9 Oversampling State Machine . 161
7 Telegram timing and DLPDU handling . 163
7.1 Communication mechanisms . 163
7.1.1 Cycle time . 163
7.1.2 Medium access . 166
7.1.3 Calculation of the Type 19 telegram length . 168
7.1.4 Timing calculation of RT channel . 168
7.1.5 Calculation of S-0-1006 AT0 transmission starting time (t1) . 169
7.1.6 Timing calculation of UC channel . 170
7.1.7 Telegram timing in CP0 . 171
7.1.8 Telegram timing in CP1 and CP2 . 172
7.1.9 Telegram timing in CP3 and CP4 . 174
7.1.10 Unified communication mechanisms . 175
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SIST EN IEC 61158-4-19:2019
IEC 61158-4-19:2019 © IEC 2019 – 5 –
7.1.11 Internet Protocol Services (IPS) . 187
7.2 Synchronization . 224
7.2.1 Network synchronization . 224
7.2.2 Synchronization of producer cycles. 232
7.3 Processing methods of connection data . 233
7.3.1 General . 233
7.3.2 Synchronous processing of application data in the slave . 234
7.3.3 Cyclic processing of application data in the slave . 235
7.3.4 Non-synchronous processing of application data in the slave . 236
8 Communication Error handling and monitoring . 236
8.1 Invalid telegrams . 236
8.2 Response to MDT and AT telegram failure . 237
8.3 Error counters in the slave . 237
8.3.1 Error effects on communication phases . 237
8.4 Status codes of Type 19 communication profile (SCP) . 238
8.5 Priority of diagnosis classes . 240
Annex A (normative) IDN – Identification numbers . 242
A.1 IDN specification . 242
A.1.1 Introduction . 242
A.1.2 Element 1: structure of IDN . 242
A.1.3 Element 2: structure of name . 243
A.1.4 Element 3: structure of attribute . 244
A.1.5 Element 4: structure of unit . 246
A.1.6 Element 5: structure of minimum value . 247
A.1.7 Element 6: structure of maximum value . 247
A.1.8 Element 7: structure of operation data . 247
A.1.9 Structure of Data status . 249
A.2 Identification numbers in numerical orders . 250
A.3 Detailed specification of communication-related IDNs . 254
A.3.1 IDN S-0-0014 Interface status . 254
A.3.2 IDN S-0-0021 IDN-list of invalid operation data for CP2 . 255
A.3.3 IDN S-0-0022 IDN-list of invalid operation data for CP3 . 256
A.3.4 IDN S-0-0026 IDN allocation of producer RTB word container . 257
A.3.5 IDN S-0-0027 IDN allocation of consumer RTB word container . 257
A.3.6 IDN S-0-0127 CP3 transition check . 258
A.3.7 IDN S-0-0128 CP4 transition check . 259
A.3.8 IDN S-0-0144 Producer RTB word container . 260
A.3.9 IDN S-0-0145 Consumer RTB word container . 260
A.3.10 IDN S-0-0187 IDN-list of configurable data as producer . 261
A.3.11 IDN S-0-0188 IDN-list of configurable data as consumer . 261
A.3.12 IDN S-0-0328 Bit allocation of producer RTB
...
SLOVENSKI STANDARD
SIST EN IEC 61158-4-19:2019
01-november-2019
Nadomešča:
SIST EN 61158-4-19:2015
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 4-19. del:
Specifikacija protokola na ravni podatkovnih povezav - Elementi tipa 19 (IEC 61158
-4-19:2019)
Industrial communication networks - Fieldbus specifications - Part 4 -19: Data-link layer
protocol specification - Type 19 elements (IEC 61158-4-19:2019)
Industrielle Kommunikationsnetze - Feldbusse - Teil 4-19: Protokollspezifikation des
Data Link Layer (Sicherungsschicht) - Typ 19-Elemente (IEC 61158-4-19:2019)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-19:
Spécification du protocole de la couche liaison de données - Eléments de type 19 (IEC
61158-4-19:2019)
Ta slovenski standard je istoveten z: EN IEC 61158-4-19:2019
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.100.20 Podatkovni povezovalni sloj Data link layer
35.110 Omreževanje Networking
SIST EN IEC 61158-4-19:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
EUROPEAN STANDARD EN IEC 61158-4-19
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2019
Supersedes EN 61158-4-19:2014
ICS 25.040.40; 35.100.20; 35.110
English Version
Industrial communication networks - Fieldbus specifications -
Part 4 -19: Data-link layer protocol specification - Type 19
elements
(IEC 61158-4-19:2019)
Réseaux de communication industriels - Spécifications des Industrielle Kommunikationsnetze - Feldbusse - Teil 4-19:
bus de terrain - Partie 4-19: Spécification du protocole de la Protokollspezifikation des Data Link Layer
couche liaison de données - Eléments de type 19 (Sicherungsschicht) - Typ 19-Elemente
(IEC 61158-4-19:2019) (IEC 61158-4-19:2019)
This European Standard was approved by CENELEC on 2019-05-23. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61158-4-19:2019 E
---------------------- Page: 2 ----------------------
EN IEC 61158-4-19:2019 (E)
European foreword
The text of document 65C/946/FDIS, future edition 4 of IEC 61158-4-19, prepared by SC 65C
"Industrial networks" of IEC/TC 65 "Industrial-process measurement, control and automation" was
submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN IEC 61158-4-
19:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-02-23
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-05-23
document have to be withdrawn
This document supersedes EN 61158-4-19:2014.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 61158-4-19:2019 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 61131 series NOTE Harmonized as EN 61131 series
IEC 61158-1 NOTE Harmonized as EN 61158-1
IEC 61158-3-19 NOTE Harmonized as EN 61158-3-19
IEC 61158-5-16 NOTE Harmonized as EN 61158-5-16
IEC 61158-5-19 NOTE Harmonized as EN 61158-5-19
IEC 61158-6-16 NOTE Harmonized as EN 61158-6-16
IEC 61158-6-19 NOTE Harmonized as EN 61158-6-19
IEC 61784-1 NOTE Harmonized as EN 61784-1
IEC 61784-2 NOTE Harmonized as EN 61784-2
IEC 61800-7 series NOTE Harmonized as EN 61800-7 series
2
---------------------- Page: 3 ----------------------
EN IEC 61158-4-19:2019 (E)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 61158-4-16 2007 Industrial communication networks - EN 61158-4-16 2008
Fieldbus specifications - Part 4-16: Data-
link layer protocol specification - Type 16
elements
ISO 8601 - Data elements and interchange formats – - -
Information interchange – Representation
of dates and times
ISO/IEC 7498-1 - Information technology - Open Systems - -
Interconnection - Basic reference model:
The basic model
ISO/IEC 7498-3 - Information technology - Open Systems - -
Interconnection - Basic reference model:
Naming and addressing
ISO/IEC/IEEE 8802-- Information technology – - -
3 Telecommunications and information
exchange between systems – Local and
metropolitan area networks – Specific
requirements – Part 3: Standard for
Ethernet
IEEE Std 802.3 - IEEE Standard for Information technology - -
– Telecommunications and information
exchange between systems – Local and
metropolitan area networks – Specific
requirements – Part 3: Carrier Sense
Multiple Access with Collision Detection
(CSMA/CD) Access Method and Physical
Layer Specifications
RFC 879 - The TCP - Maximum Segment Size and
Related Topics
3
---------------------- Page: 4 ----------------------
IEC 61158-4-19
®
Edition 4.0 2019-04
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Fieldbus specifications –
Part 4-19: Data-link layer protocol specification – Type 19 elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.20; 35.110 ISBN 978-2-8322-6776-9
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CONTENTS
FOREWORD . 24
INTRODUCTION . 26
1 Scope . 28
1.1 General . 28
1.2 Specifications . 28
1.3 Procedures . 28
1.4 Applicability . 28
1.5 Conformance . 29
2 Normative references . 29
3 Terms, definitions, symbols, acronyms, abbreviations and conventions . 29
3.1 Reference model terms and definitions . 29
3.2 Additional Type 19 terms and definitions . 30
3.3 Symbols . 33
3.4 Acronyms and abbreviations . 34
3.5 Additional conventions . 35
4 DL-protocol overview . 35
4.1 Overview . 35
4.2 General DLPDU identification . 37
4.2.1 Introduction . 37
4.2.2 Destination address (Dest MAC) . 37
4.2.3 Source address (Src MAC) . 37
4.2.4 EtherType . 37
4.3 General DLPDU structure . 37
4.3.1 Introduction . 37
4.3.2 DLPDU header . 38
4.3.3 DLPDU payload . 38
4.4 DLPDU header . 38
4.4.1 Introduction . 38
4.4.2 DLPDU type. 38
4.5 MDT DLPDU . 39
4.5.1 MDT MST field summary . 39
4.5.2 Evaluation of MDT header in the slaves . 39
4.5.3 MDT type . 40
4.5.4 MDT phase . 40
4.5.5 MDT CRC . 40
4.5.6 MDT payload during initialization . 40
4.5.7 MDT payload in normal operation (CP4) . 44
4.6 AT DLPDU . 51
4.6.1 AT header field summary . 51
4.6.2 Evaluation of AT header in the slaves . 51
4.6.3 AT type . 52
4.6.4 AT phase . 52
4.6.5 AT CRC . 52
4.6.6 AT Payload during initialization . 52
4.6.7 AT payload in CP4 . 56
4.7 Mechanisms of connections . 62
4.7.1 Introduction . 62
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4.7.2 Configuration of connections . 63
4.7.3 Connection control . 64
4.7.4 Producer state machine . 66
4.7.5 Consumer state machine . 68
5 DL management . 72
5.1 Overview . 72
5.2 Initialization of cyclic communication. 72
5.2.1 Introduction . 72
5.2.2 Communication phases (CP) . 73
5.2.3 Switching of communication phases (CPS) . 86
5.2.4 Communication Version . 98
5.2.5 Address allocation in the master and slave . 99
5.3 Network topologies . 101
5.3.1 Introduction . 101
5.3.2 Ring topology . 102
5.3.3 Line topology . 102
5.3.4 Topology conditions of a slave device . 103
5.3.5 Topology conditions of a multi-slave device . 104
5.3.6 Topology state machine . 108
5.3.7 States of Topology state machine of slave . 109
5.3.8 Transitions of Topology state machine . 110
5.4 Redundancy of RT communication with ring topology . 112
5.4.1 Introduction . 112
5.4.2 Sequence with ring break . 112
5.4.3 Recovery of ring topology . 113
5.4.4 Recovery of P channel . 114
5.4.5 Recovery of S channel . 115
5.5 Hot-plug procedure . 115
5.5.1 Introduction . 115
5.5.2 Hot-plug state machine . 116
5.5.3 States of HP state machine . 117
5.5.4 Transitions of HP state machine . 121
5.6 Watchdog . 122
5.7 Status procedures . 122
6 Data transmission methods . 123
6.1 Overview . 123
6.2 Service channel (SVC) . 123
6.2.1 SVC handling . 123
6.2.2 Opening and closing SVC . 124
6.2.3 Selection of data block element . 124
6.2.4 Changing of data block element . 124
6.2.5 Transmission steps . 125
6.2.6 SVC valid . 126
6.2.7 Handshake bits . 126
6.2.8 Read/Write . 127
6.2.9 Busy bit . 127
6.2.10 Service channel initialization . 128
6.2.11 Reaction to SVC handshake timeout . 128
6.2.12 Reaction to error messages in the service channel . 128
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6.2.13 Service channel error messages . 128
6.2.14 Procedure command functions via the service channel . 131
6.3 RT Channel . 137
6.3.1 Introduction . 137
6.3.2 Read_Cyclic (RDC) . 137
6.3.3 Write_Cyclic (WRC) . 137
6.3.4 Notify_Cyclic_Data (NCD) . 137
6.4 Transmission and activation of Type 19 time . 137
6.5 Multiplexing of real-time data with data containers . 139
6.5.1 General . 139
6.5.2 Functionality of standard data container . 141
6.5.3 Functionality of extended data container (preferred function) . 145
6.5.4 Data container diagnostic . 150
6.6 Handling of Real-time bits . 150
6.6.1 General . 150
6.6.2 Real-time bits (RTB) . 151
6.6.3 RTB word container . 152
6.6.4 RTB list container . 152
6.7 SMP. 153
6.7.1 Definitions . 153
6.7.2 Structure of the Session Control Header (SCH) . 154
6.7.3 Evaluation sequence of session control header by the consumer . 156
6.7.4 Multiplexing of two sessions (example) . 157
6.7.5 Priorization . 157
6.7.6 Diagnosis of SMP . 158
6.7.7 Definition of SMP containers . 158
6.7.8 Example . 158
6.8 Oversampling . 159
6.8.1 Description . 159
6.8.2 General . 159
6.8.3 Constraints . 159
6.8.4 Oversampling Input . 159
6.8.5 Oversampling Output . 160
6.8.6 Oversampling Identification . 160
6.8.7 Oversampling Configuration . 161
6.8.8 Application example . 161
6.8.9 Oversampling State Machine . 161
7 Telegram timing and DLPDU handling . 163
7.1 Communication mechanisms . 163
7.1.1 Cycle time . 163
7.1.2 Medium access . 166
7.1.3 Calculation of the Type 19 telegram length . 168
7.1.4 Timing calculation of RT channel . 168
7.1.5 Calculation of S-0-1006 AT0 transmission starting time (t1) . 169
7.1.6 Timing calculation of UC channel . 170
7.1.7 Telegram timing in CP0 . 171
7.1.8 Telegram timing in CP1 and CP2 . 172
7.1.9 Telegram timing in CP3 and CP4 . 174
7.1.10 Unified communication mechanisms . 175
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7.1.11 Internet Protocol Services (IPS) . 187
7.2 Synchronization . 224
7.2.1 Network synchronization . 224
7.2.2 Synchronization of producer cycles. 232
7.3 Processing methods of connection data . 233
7.3.1 General . 233
7.3.2 Synchronous processing of application data in the slave . 234
7.3.3 Cyclic processing of application data in the slave . 235
7.3.4 Non-synchronous processing of application data in the slave . 236
8 Communication Error handling and monitoring . 236
8.1 Invalid telegrams . 236
8.2 Response to MDT and AT telegram failure . 237
8.3 Error counters in the slave . 237
8.3.1 Error effects on communication phases . 237
8.4 Status codes of Type 19 communication profile (SCP) . 238
8.5 Priority of diagnosis classes . 240
Annex A (normative) IDN – Identification numbers . 242
A.1 IDN specification . 242
A.1.1 Introduction . 242
A.1.2 Element 1: structure of IDN . 242
A.1.3 Element 2: structure of name . 243
A.1.4 Element 3: structure of attribute . 244
A.1.5 Element 4: structure of unit . 246
A.1.6 Element 5: structure of minimum value . 247
A.1.7 Element 6: structure of maximum value . 247
A.1.8 Element 7: structure of operation data . 247
A.1.9 Structure of Data status . 249
A.2 Identification numbers in numerical orders . 250
A.3 Detailed specification of communication-related IDNs . 254
A.3.1 IDN S-0-0014 Interface status . 254
A.3.2 IDN S-0-0021 IDN-list of invalid operation data for CP2 . 255
A.3.3 IDN S-0-0022 IDN-list of invalid operation data for CP3 . 256
A.3.4 IDN S-0-0026 IDN allocation of producer RTB word container . 257
A.3.5 IDN S-0-0027 IDN allocation of consumer RTB word container . 257
A.3.6 IDN S-0-0127 CP3 transition check . 258
A.3.7 IDN S-0-0128 CP4 transition check . 259
A.3.8 IDN S-0-0144 Producer RTB word container . 260
A.3.9 IDN S-0-0145 Consumer RTB word container . 260
A.3.10 IDN S-0-0187 IDN-list of configurable data as producer . 261
A.3.11 IDN S-0-0188 IDN-list of configurable data as consumer . 261
A.3.12 IDN S-0-0328 Bit allocation of producer RTB word container . 262
A.3.13 IDN S-0-0329 Bit allocation of consumer RTB word container . 263
A.3.14 IDN S-0-0360 MDT data container A1 . 263
A.3.15 IDN S-0-0361 MDT data container B1 . 264
A.3.16 IDN S-0-0362 MDT data container A list index .
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