Industrial communication networks - Profiles - Part 3-17: Functional safety fieldbuses - Additional specifications for CPF 17

IEC 61784-3-17:2016 specifies a safety communication layer (services and protocol) based on CPF 17 of IEC 61784-2 (CP 17/1) and IEC 61158 Type 21. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer. This safety communication layer is intended for implementation in safety devices only.

Industrielle Kommunikationsnetze - Profile - Teil 3-17: Funktional sichere Übertragung bei Feldbussen - Zusätzliche Festlegungen für die Kommunikationsprofilfamilie 17

Réseaux de communication industriels - Profils - Partie 3-17: Bus de terrain de sécurité fonctionnelle - Spécifications supplémentaires pour CPF 17

L'IEC 61784-3-17:2016 spécifie une couche de communication de sécurité (services et protocole) reposant sur CPF 17 de l'IEC 61784-2 (CP 17/1) et de l'IEC 61158 Type 21. Elle identifie les principes en matière de communications de sécurité fonctionnelle définies dans l'IEC 61784-3 pertinents pour cette couche de communication de sécurité. Cette couche de communication de sécurité est destinée à la mise en oeuvre sur les appareils de sécurité uniquement.

Industrijska komunikacijska omrežja - Profili - 3-17. del: Funkcijska varnost procesnih vodil - Dodatne specifikacije za CPF 17 (IEC 61784-3-17:2016)

Standard IEC 61784-3-17:2016 določa varnostno komunikacijsko plast (storitve in protokoli), ki temelji na CPF 17 standardov IEC 61784-2 (CP 17/1) in IEC 61158, tip 21. Določa načela za komunikacijsko funkcionalno varnost, opredeljena v IEC 61784-3, ki so pomembna za to varnostno komunikacijsko plast. Ta varnostna komunikacijska plast je predvidena za uporabo v varnostnih napravah.

General Information

Status
Published
Publication Date
30-Nov-2017
Withdrawal Date
30-Nov-2020
Current Stage
6060 - Document made available - Publishing
Start Date
01-Dec-2017
Completion Date
01-Dec-2017

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SLOVENSKI STANDARD
01-februar-2018
Industrijska komunikacijska omrežja - Profili - 3-17. del: Funkcijska varnost
procesnih vodil - Dodatne specifikacije za CPF 17 (IEC 61784-3-17:2016)
Industrial communication networks - Profiles - Part 3-17: Functional safety fieldbuses -
Additional specifications for CPF 17 (IEC 61784-3-17:2016)
Industrielle Kommunikationsnetze - Profile - Teil 3-17: Funktional sichere Übertragung
bei Feldbussen - Zusätzliche Festlegungen für die Kommunikationsprofilfamilie 17 (IEC
61784-3-17:2016)
Réseaux de communication industriels - Profils - Partie 3-17: Bus de terrain de sécurité
fonctionnelle - Spécifications supplémentaires pour CPF 17 (IEC 61784-3-17:2016)
Ta slovenski standard je istoveten z: EN 61784-3-17:2017
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.100.01 Medsebojno povezovanje Open systems
odprtih sistemov na splošno interconnection in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61784-3-17

NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2017
ICS 25.040.40; 35.100.01
English Version
Industrial communication networks - Profiles - Part 3-17:
Functional safety fieldbuses - Additional specifications for CPF
(IEC 61784-3-17:2016)
Réseaux de communication industriels - Profils - Partie 3- Industrielle Kommunikationsnetze - Profile - Teil 3-17:
17: Bus de terrain de sécurité fonctionnelle - Spécifications Funktional sichere Übertragung bei Feldbussen -
supplémentaires pour CPF 17 Zusätzliche Festlegungen für die
(IEC 61784-3-17:2016) Kommunikationsprofilfamilie 17
(IEC 61784-3-17:2016)
This European Standard was approved by CENELEC on 2016-09-01. 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 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, 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
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61784-3-17:2017 E
European foreword
The text of document 65C/851/FDIS, future edition 1 of IEC 61784-3-17:2016, 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 61784-3-17:2017.

The following dates are fixed:

• latest date by which this document has (dop) 2018-06-01
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-12-01
standards conflicting with this
document have to be withdrawn
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 61784-3-17:2016 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
IEC 61000-6-7:2014 NOTE  Harmonized as EN 61000-6-7:2015
IEC 61131-6 NOTE  Harmonized as EN 61131-6
IEC 61158-2 NOTE  Harmonized as EN 61158-2
IEC 61496 (all parts) NOTE  Harmonized as EN 61496 (all parts)
IEC 61508-2 NOTE  Harmonized as EN 61508-2.
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 (all parts) NOTE  Harmonized as EN 61511 (all parts)
IEC 61784-5 (all parts) NOTE  Harmonized as EN 61784-5 (all parts)
IEC 61800-5-2 NOTE  Harmonized as EN 61800-5-2
IEC 62061 NOTE  Harmonized as EN 62061
IEC 62443 (all parts) NOTE  Harmonized as prEN 62443 (all parts)
IEC/TR 62685 NOTE  Harmonized as CLC/TR 62685
ISO 10218-1 NOTE  Harmonized as EN ISO 10218-1
ISO 12100 NOTE  Harmonized as EN ISO 12100
ISO 13849 (all parts) NOTE  Harmonized as EN ISO 13849 (all parts)
ISO 13849-1:2006 NOTE  Harmonized as EN ISO 13849-1:2006
ISO 13849-2 NOTE  Harmonized as EN ISO 13849-2
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 When 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 61000-6-2 -  Electromagnetic compatibility (EMC) - Part EN 61000-6-2 -
6-2: Generic standards - Immunity
standard for industrial environments
IEC 61131-2 -  Industrial-process measurement and EN 61131-2 -
control - Programmable controllers - Part
2: Equipment requirements and tests
IEC 61158-3-21 2010 Industrial communication networks - EN 61158-3-21 2012
Fieldbus specifications - Part 3-21: Data-
link layer service definition - Type 21
elements
IEC 61158-4-21 2010 Industrial communication networks - EN 61158-4-21 2012
Fieldbus specifications -- Part 4-21: Data-
link layer protocol specification - Type 21
elements
IEC 61158-5-21 2010 Industrial communication networks - EN 61158-5-21 2012
Fieldbus specifications -- Part 5-21:
Application layer service definition - Type
21 elements
IEC 61158-6-21 2010 Industrial communication networks - EN 61158-6-21 2012
Fieldbus specifications - Part 6-21:
Application layer protocol specification -
Type 21 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
IEC 61326-3-2 -  Electrical equipment for measurement, - -
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 -- Part 1:
General requirements
IEC 61508-1 2010 Functional safety of EN 61508-1 2010
electrical/electronic/programmable
electronic safety-related systems -- Part 1:
General requirements
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 -  Industrial communication networks - EN 61784-3 -
Profiles - Part 3: Functional safety
fieldbuses - General rules and profile
definitions
IEC 61784-5-17 2013 Industrial communication networks - EN 61784-5-17 2013
Profiles -- Part 5-17: Installation of
fieldbuses - Installation profiles for CPF 17
IEC 61918 -  Industrial communication networks - EN 61918 -
Installation of communication networks in
industrial premises
IEC 61784-3-17 ®
Edition 1.0 2016-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – Profiles –

Part 3-17: Functional safety fieldbuses – Additional specifications for CPF 17

Réseaux de communication industriels – Profils –

Partie 3-17: Bus de terrain de sécurité fonctionnelle – Spécifications

supplémentaires pour CPF 17
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40, 35.100.05 ISBN 978-2-8322-3493-8

– 2 – IEC 61784-3-17:2016  IEC 2016
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 17: 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 17: Additional symbols and abbreviated terms . 18
3.3 Conventions . 18
4 Overview of FSCP 17/1 (RAPIEnet Safety™). 18
5 General . 20
5.1 External documents providing specifications for the profile . 20
5.2 Safety functional requirements . 20
5.3 Safety measures . 20
5.3.1 General . 20
5.3.2 (Virtual) sequence number . 21
5.3.3 Time expectation with watchdog . 21
5.3.4 Connection authentication . 21
5.3.5 Feedback message . 21
5.3.6 Data integrity assurance . 21
5.4 Safety communication layer structure . 22
5.4.1 Principle of FSCP 17/1 safety communications . 22
5.4.2 CPF 17 communication structures . 22
5.5 Relationships with FAL (and DLL, PhL) . 22
5.5.1 General . 22
5.5.2 Data types . 23
6 Safety communication layer services . 23
6.1 Overview. 23
6.2 Functional Safety connection . 23
6.2.1 General . 23
6.2.2 Initiator class specification . 23
6.2.3 Responder-class specification . 24
6.2.4 Sender class specification . 25
6.2.5 Receiver class
...

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