EN 61784-3-18:2011

SLOVENSKI STANDARD
01-september-2011
Industrijska komunikacijska omrežja - Profili - 3-18. del: Funkcijska varnost
procesnih vodil - Dodatne specifikacije za CPF 18 (IEC 61784-3-18:2011)
Industrial communication networks - Profiles - Part 3-18: Functionnal safety fieldbuses -
Additional specifications for CPF 18 (IEC 61784-3-18:2011)
Industrielle Kommunikationsnetze - Profile - Teil 3-18: Funktional sichere Übertragung
bei Feldbussen - Zusätzliche Festlegungen für die Kommunikationsprofilfamilie 18 (IEC
61784-3-18:2011)
Réseaux de communication industriels - Profils - Partie 3-18: Bus de terrain à sécurité
fonctionnelle - Spécifications supplémentaires pour le CPF 18 (CEI 61784-3-18:2011)
Ta slovenski standard je istoveten z: EN 61784-3-18:2011
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 61784-3-18
NORME EUROPÉENNE
July 2011
EUROPÄISCHE NORM
ICS 13.110; 25.040.40; 35.100.05

English version
Industrial communication networks -
Profiles -
Part 3-18: Functional safety fieldbuses -
Additional specifications for CPF 18
(IEC 61784-3-18:2011)
Réseaux de communication industriels -  Industrielle Kommunikationsnetze -
Profils - Profile -
Partie 3-18: Bus de terrain à sécurité Teil 3-18: Funktional sichere Übertragung
fonctionnelle - bei Feldbussen -
Spécifications supplémentaires pour le Zusätzliche Festlegungen für die
CPF 18 Kommunikationsprofilfamilie 18
(CEI 61784-3-18:2011) (IEC 61784-3-18:2011)

This European Standard was approved by CENELEC on 2011-05-25. 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

© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61784-3-18:2011 E
Foreword
The text of document 65C/639/FDIS, future edition 1 of IEC 61784-3-18, 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 61784-3-18 on 2011-05-25.
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) 2012-02-25
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2014-05-25
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61784-3-18:2011 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 60204-1 NOTE  Harmonized as EN 60204-1.
1)
IEC 61131-6 NOTE  Harmonized as EN 61131-6 .
IEC 61158 series NOTE  Harmonized in EN 61158 series.
IEC 61326-3-1 NOTE  Harmonized as EN 61326-3-1.
IEC 61326-3-2 NOTE  Harmonized as EN 61326-3-2.
IEC 61496 series NOTE  Harmonized in EN 61496 series.
IEC 61508-1:2010 NOTE  Harmonized as EN 61508-1:2010.
IEC 61508-4:2010 NOTE  Harmonized as EN 61508-4:2010.
IEC 61508-5:2010 NOTE  Harmonized as EN 61508-5:2010.
IEC 61511 series NOTE  Harmonized in EN 61511 series.
IEC 61784-1 NOTE  Harmonized as EN 61784-1.
IEC 61784-5 series NOTE  Harmonized in EN 61784-5 series.
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.

1)
At draft stage.
- 3 - EN 61784-3-18:2011
ISO 13849-2 NOTE  Harmonized as EN ISO 13849-2.
ISO 14121 NOTE  Harmonized as EN ISO 14121.
__________
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 61158-3-22 - Industrial communication networks - Fieldbus - -
specifications -
Part 3-22: Data-link layer service definition -
Type 22 elements
IEC 61158-4-22 - Industrial communication networks - Fieldbus - -
specifications -
Part 4-22: Data-link layer protocol
specification - Type 22 elements

IEC 61158-5-22 - Industrial communication networks - Fieldbus - -
specifications -
Part 5-22: Application layer service definition -
Type 22 elements
IEC 61158-6-22 - Industrial communication networks - Fieldbus - -
specifications -
Part 6-22: Application layer protocol
specification - Type 22 elements

IEC 61508 Series Functional safety of EN 61508 Series
electrical/electronic/programmable electronic
safety-related systems
IEC 61508-2 2010 Functional safety of EN 61508-2 2010
electrical/electronic/programmable electronic
safety-related systems -
Part 2: Requirements for
electrical/electronic/programmable electronic
safety-related systems
IEC 61784-2 2010 Industrial communication networks - EN 61784-2 2010
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
ISO/IEC 10731 - Information technology - Open Systems - -
Interconnection - Basic reference model -
Conventions for the definition of OSI services

IEC 61784-3-18 ®
Edition 1.0 2011-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Profiles
Part 3-18: Functional safety fieldbuses – Additional specifications for CPF 18

Réseaux de communication industriels – Profils
Partie 3-18: Bus de terrain de sécurité fonctionnelle – Spécifications
supplémentaires pour le CPF 18

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XB
ICS 13.110, 25.040.40, 35.100.05 ISBN 978-2-88912-475-6

– 2 – 61784-3-18  IEC:2011
CONTENTS
FOREWORD . 5
0 Introduction . 7
0.1 General . 7
0.2 Patent declaration . 9
1 Scope . 10
2 Normative references . 10
3 Terms, definitions, symbols, abbreviated terms and conventions . 11
3.1 Terms and definitions . 11
3.1.1 Common terms and definitions . 11
3.1.2 CPF 18: Additional terms and definitions . 15
3.2 Symbols and abbreviated terms. 16
3.2.1 Common symbols and abbreviated terms . 16
3.2.2 CPF 18: Additional symbols and abbreviated terms . 17
3.3 Conventions . 17
4 Overview of FSCP 18/1 (SafetyNET p™) . 19
4.1 General . 19
4.2 FSCP 18/1 . 19
5 General . 20
5.1 External documents providing specifications for the profile . 20
5.2 Safety functional requirements . 20
5.3 Safety measures . 20
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 General elements . 22
6.1.1 General . 22
6.1.2 Safety object dictionary . 22
6.1.3 Safety process data object (SPDO) . 22
6.1.4 Safety heartbeat (SHB) . 22
6.1.5 Safety delay monitoring (SDM) . 23
6.2 Communication relation . 23
7 Safety communication layer protocol . 24
7.1 Safety PDU format . 24
7.1.1 General . 24
7.1.2 Safety process data objects (SPDO) . 24
7.1.3 Safety heartbeat (SHB) . 26
7.1.4 Safety PDUs embedded in a Type 22 PDU . 28
7.2 Safety communication layer management (SALMT) . 28
7.3 Safety process data communication . 30
7.4 Safety heartbeat . 32
7.5 Delay monitoring . 33
8 Safety communication layer management . 34
8.1 Parameter handling . 34
8.2 Safety object dictionary . 34

61784-3-18  IEC:2011 – 3 –
8.2.1 General . 34
8.2.2 Communication profile section . 35
8.2.3 Standardized device profile section . 51
9 System requirements .
...