IEC 61784-2-19:2023

IEC 61784-2-19 ®
Edition 1.0 2023-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial networks – Profiles –
Part 2-19: Additional real-time fieldbus profiles based on ISO/IEC/IEEE 8802-3 –
CPF 19
Réseaux industriels – Profils –
Partie 2-19: Profils de bus de terrain supplémentaires pour les réseaux en temps
réel fondés sur l’ISO/IEC/IEEE 8802-3 – CPF 19

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IEC 61784-2-19 ®
Edition 1.0 2023-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial networks – Profiles –

Part 2-19: Additional real-time fieldbus profiles based on ISO/IEC/IEEE 8802-3 –

CPF 19
Réseaux industriels – Profils –

Partie 2-19: Profils de bus de terrain supplémentaires pour les réseaux en temps

réel fondés sur l’ISO/IEC/IEEE 8802-3 – CPF 19

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.020 ISBN 978-2-8322-6540-6

– 2 – IEC 61784-2-19:2023 © IEC 2023
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions, abbreviated terms, acronyms, and conventions . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms and acronyms . 8
3.3 Symbols . 8
3.4 Conventions . 9
4 CPF 19 (MECHATROLINK) – RTE communication profiles . 9
4.1 General overview . 9
4.2 Profile 19/4 (MECHATROLINK-4) . 10
4.2.1 Physical layer . 10
4.2.2 Data link layer . 10
4.2.3 Application layer . 11
4.2.4 Performance indicator selection . 16
Bibliography . 22

Figure 1 – Multi control domain system of M-4 . 19
Figure 2 – Concurrent I/O data exchange . 20
Figure 3 – Sequential I/O data exchange . 20

Table 1 – CPF 19 symbols . 8
Table 2 – CPF 19: Overview of profile sets (CP19/1 and CP19/2) . 10
Table 3 – CPF 19: Overview of profile sets (CP19/3 and CP19/4) . 10
Table 4 – CP 19/4: AL service selection . 12
Table 5 – CP 19/4: AL protocol selection . 13
Table 6 – CP 19/4: AL service selection . 14
Table 7 – CP 19/4: AL protocol selection . 15
Table 8 – CP 19/4: PI overview . 16
Table 9 – CP 19/4: PI dependency matrix . 16
Table 10 – CP 19/4: Consistent set of PIs with concurrent I/O data exchange . 20
Table 11 – CP 19/4: Consistent set of PIs with sequential I/O data exchange . 21

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL NETWORKS –
PROFILES –
Part 2-19: Additional real-time fieldbus profiles
based on ISO/IEC/IEEE 8802-3 – CPF 19

FOREWORD
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rights. IEC shall not be held responsible for identifying any or all such patent rights.
Attention is drawn to the fact that the use of some of the associated protocol types is restricted
by their intellectual-property-right holders. In all cases, the commitment to limited release of
intellectual-property-rights made by the holders of those rights permits a layer protocol type to
be used with other layer protocols of the same type, or in other type combinations explicitly
authorized by their respective intellectual property right holders.
NOTE Combinations of protocol types are specified in the IEC 61784-1 series and the IEC 61784-2 series.
IEC 61784-2-19 has been prepared by subcommittee 65C: Industrial networks, of IEC technical
committee 65: Industrial-process measurement, control and automation. It is an International
Standard.
This first edition, together with the other parts of the same series, cancels and replaces the
fourth edition of IEC 61784-2 published in 2019. This first edition constitutes a technical revision.

– 4 – IEC 61784-2-19:2023 © IEC 2023
This edition includes the following significant technical changes with respect to
IEC 61784-2:2019:
• split of the original IEC 61784-2 into several subparts, one subpart for the material of a
generic nature, and one subpart for each Communication Profile Family specified in the
original document;
• new Communication Profile (CPF 19/4).
T
...