SIST EN 61784-3-1:2008
Industrial communication networks – Profiles – Part 3-1: Functional safety fieldbuses – Additional specifications for CPF 1
Industrial communication networks – Profiles – Part 3-1: Functional safety fieldbuses – Additional specifications for CPF 1
This part of the IEC 61784-3 series specifies a safety communication layer (services and protocol) based on CPF 1 of IEC 61784-1 and IEC 61158 Type 1 and 9. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer. This part1 defines mechanisms for the transmission of safety-relevant messages among participants within a distributed network using fieldbus technology in accordance with the requirements of IEC 61508 series for functional safety. These mechanisms may be used in various industrial applications such as process control, manufacturing automation and machinery. This part provides guidelines for both developers and assessors of compliant devices and systems.
Industrielle Kommunikationsnetze - Profile - Teil 3-1: Funktional sichere Übertragung bei Feldbussen - Zusätzliche Festlegungen für die Kommunikationsprofilfamilie 1
Réseaux de communication industriels - Profils - Partie 3-1: Bus de terrain de sécurité fonctionnelle – Spécification supplémentaire pour CPF 1
Industrijska komunikacijska omrežja - Profili - 3-1. del: Funkcijska varnost procesnih vodil - Dodatne specifikacije za CPF 1 (IEC 61784-3-1:2007)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 61784-3-1:2008
01-september-2008
Industrijska komunikacijska omrežja - Profili - 3-1. del: Funkcijska varnost
procesnih vodil - Dodatne specifikacije za CPF 1 (IEC 61784-3-1:2007)
Industrial communication networks - Profiles - Part 3-1: Functional safety fieldbuses -
Additional specifications for CPF 1
Industrielle Kommunikationsnetze - Profile - Teil 3-1: Funktional sichere Übertragung bei
Feldbussen - Zusätzliche Festlegungen für die Kommunikationsprofilfamilie 1
Réseaux de communication industriels - Profils - Partie 3-1: Bus de terrain de sécurité
fonctionnelle - Spécification supplémentaire pour CPF 1
Ta slovenski standard je istoveten z: EN 61784-3-1:2008
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.100.05 9HþVORMQHXSRUDEQLãNH Multilayer applications
UHãLWYH
SIST EN 61784-3-1:2008 en,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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EUROPEAN STANDARD
EN 61784-3-1
NORME EUROPÉENNE
June 2008
EUROPÄISCHE NORM
ICS 35.100.05; 25.040.40
English version
Industrial communication networks -
Profiles -
Part 3-1: Functional safety fieldbuses -
Additional specifications for CPF 1
(IEC 61784-3-1:2007)
Réseaux de communication industriels - Industrielle Kommunikationsnetze -
Profils - Profile -
Partie 3-1: Bus de terrain Teil 3-1: Funktional sichere Übertragung
de sécurité fonctionnelle - bei Feldbussen -
Spécification supplémentaire pour CPF 1 Zusätzliche Festlegungen
(CEI 61784-3-1:2007) für die Kommunikationsprofilfamilie 1
(IEC 61784-3-1:2007)
This European Standard was approved by CENELEC on 2008-05-01. 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, 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
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61784-3-1:2008 E
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EN 61784-3-1:2008 - 2 -
Foreword
The text of document 65C/470/FDIS, future edition 1 of IEC 61784-3-1, 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 61784-3-1 on 2008-05-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2009-02-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2011-05-01
The International Electrotechnical Commission (IEC) and CENELEC draw attention to the fact that it is
claimed that compliance with this document may involve the use of patents concerning the functional
safety communication profiles for family 1 as follows, where the [xx] notation indicates the holder of the
patent right:
US 6,999,824 [FF] System and method for implementing safety instrumented systems in a fieldbus
architecture
The IEC and CENELEC take no position concerning the evidence, validity and scope of these patent
rights.
The holders of these patent rights have assured the IEC that they are willing to negotiate licences under
reasonable and non-discriminatory terms and conditions with applicants throughout the world. In this
respect, the statements of the holders of these patent rights are registered with IEC.
Information may be obtained from:
[FF] Fieldbus Foundation
9005 Mountain Ridge Drive
Bowie Bldg. - Suite 190
Austin, TX 78759-5316
Tel: +1 512 794 8890
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights other than those identified above. IEC and CENELEC shall not be held responsible for
identifying any or all such patent rights.
Annex ZA has been added by CENELEC.
__________
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- 3 - EN 61784-3-1:2008
Endorsement notice
The text of the International Standard IEC 61784-3-1:2007 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 60204-1:2006 (not modified).
IEC 61158 NOTE Harmonized in EN 61158 series (not modified).
IEC 61326-3-1 NOTE Harmonized in EN 61326-3-1:2008 (not modified).
IEC 61326-3-2 NOTE Harmonized in EN 61326-3-2:2008 (not modified).
IEC 61496 NOTE Harmonized as EN 61496-1:2004 (modified)
and as CLC/TS 61496-2:2006 (not modified)
and CLC/TC 61496-3:2008 (not modified)
IEC 61508-4 NOTE Harmonized as EN 61508-4:2001 (not modified).
IEC 61508-6 NOTE Harmonized as EN 61508-6:2001 (not modified).
IEC 61784-2 NOTE Harmonized as EN 61784-2:2008 (not modified).
IEC 61784-5 NOTE Harmonized in EN 61784-5 series (not modified).
IEC 61800-5-2 NOTE Harmonized as EN 61800-5-2:2007 (not modified).
IEC 62061 NOTE Harmonized as EN 62061:2005 (not modified).
ISO 12100-1 NOTE Harmonized as EN ISO 12100-1:2003 (not modified).
ISO 13849-1 NOTE Harmonized as EN ISO 13849-1:2006 (not modified).
ISO 13849-2 NOTE Harmonized as EN ISO 13849-2:2003 (not modified).
__________
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EN 61784-3-1:2008 - 4 -
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
1) 2)
IEC 61131-2 - Programmable controllers - EN 61131-2 2007
Part 2: Equipment requirements and tests
1) 2)
IEC 61158-2 - Industrial communication networks - EN 61158-2 2008
Fieldbus specifications -
Part 2: Physical layer specification and service
definition
1) 2)
IEC 61158-3-1 - Industrial communication networks - EN 61158-3-1 2008
Fieldbus specifications -
Part 3-1: Data-link layer service definition -
Type 1 elements
1) 2)
IEC 61158-4-1 - Industrial communication networks - EN 61158-4-1 2008
Fieldbus specifications -
Part 4-1: Data-link layer protocol
specification - Type 1 elements
1) 2)
IEC 61158-5-5 - Industrial communication networks - EN 61158-5-5 2008
Fieldbus specifications -
Part 5-5: Application layer service definition -
Type 5 elements
1) 2)
IEC 61158-5-9 - Industrial communication networks - EN 61158-5-9 2008
Fieldbus specifications -
Part 5-9: Application layer service definition -
Type 9 elements
1) 2)
IEC 61158-6-5 - Industrial communication networks - EN 61158-6-5 2008
Fieldbus specifications -
Part 6-5: Application layer protocol
specification - Type 5 elements
1) 2)
IEC 61158-6-9 - Industrial communication networks - EN 61158-6-9 2008
Fieldbus specifications -
Part 6-9: Application layer protocol
specification - Type 9 elements
IEC 61508 Series Functional safety of EN 61508 Series
electrical/electronic/programmable electronic
safety-related systems
IEC 61511 Series Functional safety - Safety instrumented EN 61511 Series
systems for the process industry sector
1) 2)
IEC 61784-1 - Industrial communication networks - Profiles - EN 61784-1 2008
Part 1: Fieldbus profiles
1)
Undated reference.
2)
Valid edition at date of issue.
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- 5 - EN 61784-3-1:2008
Publication Year Title EN/HD Year
1) 2)
IEC 61784-3 - Industrial communication networks - Profiles - EN 61784-3 2008
Part 3: Functional safety fieldbuses - General
rules and profile definitions
1) 2)
IEC 61918 (mod) - Industrial communication networks - EN 61918 2008
Installation of communication networks in
industrial premises
IEC 62280-1 2002 Railway applications - Communication, - -
signalling and processing systems -
Part 1: Safety-related communication in
closed transmission systems
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IEC 61784-3-1
Edition 1.0 2007-12
INTERNATIONAL
STANDARD
Industrial communication networks – Profiles –
Part 3-1: Functional safety fieldbuses – Additional specifications for CPF 1
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XB
ICS 35.100.05 25.040.40 ISBN 2-8318-9398-4
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CONTENTS
FOREWORD.6
INTRODUCTION.8
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 1: Additional terms and definitions .16
3.2 Symbols and abbreviated terms.17
3.2.1 Common symbols and abbreviated terms .17
3.2.2 CPF 1: Additional symbols and abbreviated terms .18
3.3 Conventions .18
3.3.1 State Diagrams.18
3.3.2 Use of colors in figures.19
4 Overview of FSCP 1/1 (FOUNDATION Fieldbus™ SIS) .20
4.1 General .20
4.2 Key concepts of FSCP 1/1.21
4.2.1 Black channel .21
4.2.2 Connection key.21
4.2.3 Cross-check .21
4.2.4 FSCP 1/1.21
4.2.5 Programmable electronic system .21
4.2.6 Queuing delays .21
4.2.7 Redundancy .22
4.2.8 SIL environment .22
4.3 Key components of FSCP 1/1.22
4.3.1 Overview .22
4.3.2 Black channel .22
4.4 Relationship to the ISO OSI basic reference model .23
5 General .23
5.1 External documents providing specifications for the profile.23
5.2 Safety functional requirements .23
5.2.1 Requirements for functional safety.23
5.2.2 Functional constraints.24
5.2.3 Device manufacturer requirements .24
5.3 Safety measures .25
5.3.1 Sequence number .25
5.3.2 Time stamp .25
5.3.3 Time expectation .25
5.3.4 Connection authentication .25
5.3.5 Data integrity assurance.25
5.3.6 Redundancy with cross checking .25
5.3.7 Different data integrity assurance systems .25
5.3.8 Relationships between errors and safety measures .25
5.4 Safety communication layer structure .26
5.4.1 Network topology and device connectivity.26
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61784-3-1 © IEC:2007(E) – 3 –
5.4.2 Device architecture.26
5.5 Relationships with FAL (and DLL, PhL) .27
5.5.1 General .27
5.5.2 Data Types .28
6 Safety communication layer services .28
6.1 Application Process (AP).28
6.1.1 Overview .28
6.1.2 Network visible objects .29
6.1.3 Application layer interface .29
6.1.4 Object dictionary .29
6.1.5 Application program directory .29
6.2 Function block application processes .29
6.2.1 General .29
6.2.2 Function block model.29
6.2.3 Application process .32
6.3 Device to device communications.34
6.3.1 General .34
6.3.2 Client/server .34
6.3.3 Publisher/subscriber .35
6.3.4 Report distribution .35
6.3.5 FBAP operation in a linking device .35
6.3.6 System management kernel protocol (SMKP) communications .35
6.4 Profiles.35
6.4.1 General .35
6.4.2 FSCP 1/1 profile .35
6.5 Device descriptions .36
6.6 Common file formats .37
6.7 Configuration information .37
6.7.1 Overview .37
6.7.2 Level 1 configuration: manufacturer device definition.37
6.7.3 Level 2 configuration: network definition .37
6.7.4 Level 3 configuration: distributed application definition .37
6.7.5 Level 4 configuration: device configuration .37
7 Safety communication layer protocol .37
7.1 Safety PDU format .37
7.1.1 General .37
7.1.2 Safety communication layer CRC .38
7.1.3 Black channel time synchronization monitoring.38
7.1.4 Sequence number .38
7.1.5 Virtual header.39
7.1.6 Connection key.39
7.1.7 Redundancy and cross-check .40
7.2 Protocol extensions for use in safety-related systems.40
7.2.1 Overview .40
7.2.2 Publisher-subscriber interactions.40
7.2.3 Client-server interactions.46
7.2.4 Time synchronization.51
7.2.5 Device start-up .52
7.3 Communications entity .52
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7.3.1 General .52
7.3.2 Network management.52
7.3.3 FMS .52
7.3.4 H1 stack .52
8 Safety communication layer management.53
8.1 Overview .53
8.2 SMK communications .53
8.3 FMS services .53
8.4 SMK services .53
8.4.1 General .53
8.4.2 Address assignment .53
8.4.3 Time synchronization.53
8.5 Safety communication layer configuration and start-up .53
8.5.1 H1 configuration and start-up .53
8.5.2 FSCP 1/1 FBAP.54
8.5.3 Testing .54
9 System requirements.54
9.1 Indicators and switches .54
9.2 Installation guidelines.54
9.3 Safety function response time .54
9.4 Duration of demands .55
9.5 Constraints for calculation of system characteristics.55
9.5.1 Message rate.55
9.5.2 SIL level .55
9.6 Maintenance.55
9.7 Safety manual .55
10 Certification.55
Annex A (informative) Additional information for functional safety communication
profiles of CPF 1 .56
A.1 Hash function calculation.56
A.2 Fault conditions arising from locations beyond the output function block.58
Bibliography.60
Table 1 – Example state transition table .19
Table 2 – Safety measures and possible communication errors .26
Table 3 – Data types used within FSCP 1/1 .28
Table 4 – Fault state behaviour.31
Table 5 – Publisher states .41
Table 6 – Publisher state table - Received transitions .42
Table 7 – Publisher state table - Internal transitions.42
Table 8 – Subscriber states .44
Table 9 – Subscriber state table - Received transitions.45
Table 10 – Subscriber state table - Internal transitions.45
Table 11 – Server states during read operations .47
Table 12 – Received transitions for a FSCP 1/1 Server during read operations.48
Table 13 – States of a FSCP 1/1 server during write operations.49
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61784-3-1 © IEC:2007(E) – 5 –
Table 14 – Received transitions for a FSCP 1/1 Server during write operations .50
Table A.1 – Fault conditions arising from locations beyond the output function block .59
Figure 1 – Relationships of IEC 61784-3 with other standards (machinery) .8
Figure 2 – Relationships of IEC 61784-3 with other standards (process).9
Figure 3 – Example state diagram.19
Figure 4 – Use of colors in figures .19
Figure 5 – Scope of FSCP 1/1 .20
Figure 6 – FSCP 1/1 architecture (H1) .22
Figure 7 – Black channel .23
Figure 8 – FSCP 1/1 in system architecture .26
Figure 9 – FSCP 1/1 H1 device.27
Figure 10 – FSCP 1/1 protocol layers .27
Figure 11 – Relationship between FSCP 1/1 and the other layers of IEC 61158 Type 1 .28
Figure 12 – Key write-lock .30
Figure 13 – Password write-lock .30
Figure 14 – Example of FSCP 1/1 communication.34
Figure 15 – Example of device description.36
Figure 16 – Safety PDU showing virtual content.41
Figure 17 – Safety PDU showing duplication of data and addition of CRC.41
Figure 18 – State transition diagram for a FSCP 1/1 Publisher.42
Figure 19 – Safety PDU showing duplication of data and addition of CRC.43
Figure 20 – Safety PDU showing virtual content.43
Figure 21 – State transition diagram for a FSCP 1/1 subscriber .44
Figure 22 – Safety PDU showing virtual content.46
Figure 23 – Safety PDU showing virtual content with sub index .46
Figure 24 – Safety PDU showing duplication of data, addition of sequence number
and CRC.47
Figure 25 – State transition diagram for a FSCP 1/1 Server during read operations .47
Figure 26 – Safety PDU showing duplication of data and addition of sequence number
and CRC.48
Figure 27 – Example of FSCP 1/1 write .
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