EN 61784-3-12:2010

SLOVENSKI STANDARD
01-oktober-2010
Industrijska komunikacijska omrežja - Profili - 3-12. del: Funkcijska varnost
procesnih vodil - Dodatne specifikacije za CPF 12 (IEC 61784-3-12:2010)
Industrial communication networks - Profiles - Part 3-12: Functional safety fieldbuses -
Additional specifications for CPF 12 (IEC 61784-3-12:2010)
Industrielle Kommunikationsnetze - Profile - Teil 3-12: Funktional sichere Übertragung
bei Feldbussen - Zusätzliche Festlegungen für die Kommunikationsprofilfamilie 12 (IEC
61784-3-12:2010)
Réseaux de communication industriels - Partie 3-12: Bus de terrain à sécurité
fonctionnelle - Spécifications complémentaires pour le CPF 12 (CEI 61784-3-12:2010)
Ta slovenski standard je istoveten z: EN 61784-3-12:2010
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.100.05 9HþVORMQHXSRUDEQLãNH Multilayer applications
UHãLWYH
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61784-3-12
NORME EUROPÉENNE
August 2010
EUROPÄISCHE NORM
ICS 25.040.40; 35.100.05
English version
Industrial communication networks -
Profiles -
Part 3-12: Functional safety fieldbuses -
Additional specifications for CPF 12
(IEC 61784-3-12:2010)
Réseaux de communication industriels -  Industrielle Kommunikationsnetze -
Partie 3-12: Bus de terrain à sécurité Profile -
fonctionnelle - Teil 3-12: Funktional sichere Übertragung
Spécifications complémentaires bei Feldbussen -
pour le CPF 12 Zusätzliche Festlegungen
(CEI 61784-3-12:2010) für die Kommunikationsprofilfamilie 12
(IEC 61784-3-12:2010)
This European Standard was approved by CENELEC on 2010-07-01. 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 Central Secretariat 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 Central Secretariat 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, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61784-3-12:2010 E
Foreword
The text of document 65C/591A/FDIS, future edition 1 of IEC 61784-3-12, 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 was approved by CENELEC as EN 61784-3-12 on 2010-07-01.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
rights.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2011-04-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2013-07-01
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61784-3-12:2010 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 61158 series NOTE  Harmonized in EN 61158 series (not modified).
IEC 61496 series NOTE  Harmonized in EN 61496 series (partially modified).
IEC 61508-1:2010 NOTE  Harmonized as EN 61508-1:2010 (not modified).
IEC 61508-4:2010 NOTE  Harmonized as EN 61508-4:2010 (not modified).
IEC 61508-5:2010 NOTE  Harmonized as EN 61508-5:2010 (not modified).
IEC 61511 series NOTE  Harmonized in EN 61511 series (not modified).
IEC 61784-1 NOTE  Harmonized as EN 61784-1.
IEC 61784-5 series NOTE  Harmonized in EN 61784-5 series (not modified).
IEC 61800-5-2 NOTE  Harmonized as EN 61800-5-2.
IEC 62061 NOTE  Harmonized as EN 62061.
ISO 10218-1 NOTE  Harmonized as EN ISO 10218-1.
ISO 12100-1 NOTE  Harmonized as EN ISO 12100-1.
ISO 13849-1 NOTE  Harmonized as EN ISO 13849-1.
ISO 13849-2 NOTE  Harmonized as EN ISO 13849-2.
__________
- 3 - EN 61784-3-12:2010
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60204-1 - Safety of machinery - Electrical equipment EN 60204-1 -
of machines -
Part 1: General requirements
IEC 61000-6-2 - Electromagnetic compatibility (EMC) - EN 61000-6-2 -
Part 6-2: Generic standards - Immunity for
industrial environments
IEC 61131-2 - Programmable controllers - EN 61131-2 -
Part 2: Equipment requirements and tests

IEC 61158-2 - Industrial communication networks - EN 61158-2 -
Fieldbus specifications -
Part 2: Physical layer specification and service
definition
IEC 61158-3-12 - Industrial communication networks - EN 61158-3-12 -
Fieldbus specifications -
Part 3-12: Data-link layer service definition -
Type 12 elements
IEC 61158-4-12 - Industrial communication networks - EN 61158-4-12 -
Fieldbus specifications -
Part 4-12: Data-link layer protocol
specification - Type 12 elements

IEC 61158-5-12 - Industrial communication networks - EN 61158-5-12 -
Fieldbus specifications -
Part 5-12: Application layer service definition -
Type 12 elements
IEC 61158-6-12 - Industrial communication networks - EN 61158-6-12 -
Fieldbus specifications -
Part 6-12: Application layer protocol
specification - Type 12 elements

IEC 61326-3-1 - Electrical equipment for measurement, EN 61326-3-1 -
control and laboratory use - EMC
requirements -
Part 3-1: Immunity requirements for safety-
related systems and for equipment intended to
perform safety-related functions (functional
safety) - General industrial applications

Publication Year Title EN/HD Year

IEC 61326-3-2 - Electrical equipment for measurement, EN 61326-3-2 -
control and laboratory use - EMC
requirements -
Part 3-2: Immunity requirements for safety-
related systems and for equipment intended to
perform safety-related functions (functional
safety) - Industrial applications with specified
electromagnetic environment
IEC 61508 Series Functional safety of EN 61508 Series
electrical/electronic/programmable electronic
safety-related systems
IEC 61784-2 - Industrial communication networks - EN 61784-2 -
Profiles -
Part 2: Additional fieldbus profiles for real-time
networks based on ISO/IEC 8802-3

IEC 61784-3 2010 Industrial communication networks - EN 61784-3 2010
Profiles -
Part 3: Functional safety fieldbuses - General
rules and profile definitions
IEC 61918 - Industrial communication networks - EN 61918 -
Installation of communication networks in
industrial premises
IEC 61784-3-12 ®
Edition 1.0 2010-06
INTERNATIONAL
STANDARD
colour
inside
Industrial communication networks – Profiles –
Part 3-12: Functional safety fieldbuses – Additional specifications for CPF 12

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
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ICS 25.040.40; 35.100.05 ISBN 978-2-88910-981-4
– 2 – 61784-3-12 © IEC:2010(E)
CONTENTS
FOREWORD.6
0 Introduction .8
0.1 General .8
0.2 Patent declaration .10
1 Scope.11
2 Normative references .11
3 Terms, definitions, symbols, abbreviated terms and conventions .12
3.1 Terms and definitions .12
3.1.1 Common terms and definitions .12
3.1.2 CPF 12: Additional terms and definitions .17
3.2 Symbols and abbreviated terms.17
3.2.1 Common symbols and abbreviated terms .17
3.2.2 CPF 12: Additional symbols and abbreviated terms .18
3.3 Conventions .18
4 Overview of FSCP 12/1 (Safety-over-EtherCAT™) .18
5 General .20
5.1 External document providing specifications for the profile.20
5.2 Safety functional requirements .20
5.3 Safety measures .21
5.4 Safety communication layer structure .21
5.5 Relationships with FAL (and DLL, PhL) .22
5.5.1 General .22
5.5.2 Data types .22
6 Safety communication layer services .22
6.1 FSoE Connection .22
6.2 FSoE Cycle .22
6.3 FSoE services .23
7 Safety communication layer protocol .24
7.1 Safety PDU format .24
7.1.1 Safety PDU structure.24
7.1.2 Safety PDU command.25
7.1.3 Safety PDU CRC .25
7.2 FSCP 12/1 communication procedure.29
7.2.1 Message cycle.29
7.2.2 FSCP 12/1 node states.29
7.3 Reaction on communication errors .39
7.4 State table for FSoE Master .40
7.4.1 FSoE Master state machine.40
7.4.2 Reset state .44
7.4.3 Session state.45
7.4.4 Connection state .48
7.4.5 Parameter state.52
7.4.6 Data state.55
7.5 State table for FSoE Slave .58
7.5.1 FSoE Slave state machine.58
7.5.2 Reset state .62

61784-3-12 © IEC:2010(E) – 3 –
7.5.3 Session state.
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