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Reference EN 61784-3-3:2010
Title Industrial communication networks - Profiles - Part 3-3: Functional safety fieldbuses - Additional specifications for CPF 3
Project Number 23025
Abstract/Scope IEC 61784-3-3:2010(E) specifies a safety communication layer (services and protocol) based on CPF 3 of IEC 61784-1, IEC 61784-2 (CP 3/1, CP 3/2, CP 3/4, CP 3/5 and CP 3/6) and IEC 61158 Types 3 and 10. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer. This second edition cancels and replaces the first edition published in 2007. This edition constitutes a technical revision. The main changes with respect to the previous edition are: - updates in relation with changes in IEC 61784-3; - introduction of a secondary watchdog timer (F_WD_Time_2) to cover the use cases 'configuration-in-run', or 'maintenance of fault tolerance systems', or both (7.1.3, 7.2.3, 7.2.6, 8.1.1, 8.1.4,; - missing GSDL definitions conveyed from other approved documents (; - missing CRC signature calculation for a GSD conveyed from other approved documents (; - constraints for the parameter value assignment of the primary watchdog timer 'F_WD_Time' (9.3.3); - identification of the safety parameterization state of an F-Device or F-Module via field IM4 (signature) within the I&M functions (9.6.2); - updated documents in bibliography.


Current Stage code 6060
Current Stage code date 2010-08-13
Current Stage code deadline 2011-04-01
Deadline date for vote  


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IEC Technical Body IEC/SC 65C
Reference Document IEC 61784-3-3:2010 (EQV)
ICS 25.040.40 - Industrial process measurement and control
35.100.05 - Multilayer applications
Keywords Industrial; Communication; Network; Fieldbus; CPF 3
Note Supersedes EN 61784-3-3:2008
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2010-08-13 2011-04-01 export to doc file  EN  FR  DE
5099 2010-07-01 2010-09-01  
1090 2009-01-13    

Implementation Dates

date of Ratification (DOR) (1) 2010-07-01
date of Availability (DAV) (2) 2010-08-13
date of Announcement (DOA) (3) 2010-10-01
date of Publication (DOP) (4) 2011-04-01
date of Withdrawal (DOW) (5) 2013-07-01


Supersedes EN 61784-3-3:2008
Superseded by  
Normative reference (6) ISO 13849-1:2006
ISO 13849-2:2003
ISO 15745-3:2003
ISO 15745-4:2003
EN 60204-1:2006
corr. February 2010
EN 61000-6-2:2005
corr. September 2005
EN 61010-1:2010
EN 61131-2:2007
EN 61131-3:2003
EN 61158-2:2008
EN 61158-3-3:2008
EN 61158-4-3:2008
EN 61158-5-3:2008
EN 61158-5-10:2008
EN 61158-6-3:2008
EN 61158-6-10:2008
EN 61326-3-1:2008
EN 61326-3-2:2008
EN 61508 series
EN 61508-2:2010
EN 61511 series
EN 61784-1:2008
EN 61784-2:2008
EN 61784-3
EN 61784-5-3:2008
EN 61918:2008
EN 62061:2005
corr. February 2010
IEC 62280-1
IEC 62280-2:2002
IEC/TR 62390:2005

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.