International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference EN 61804-2:2007
Title Function blocks (FB) for process control - Part 2: Specification of FB concept
Project Number 17029
Abstract/Scope Is applicable to Function Blocks (FB) for process control and specifies the Electronic Device Description Language (EDDL), specifies FB by using the result of harmonization work as regards several elements. defines a subset of the requirements of EN 61804-1 (hereafter referred to as Part 1) only, while Part 1 describes requirements for a distributed system.


Current Stage code 6060
Current Stage code date 2007-06-05
Current Stage code deadline 2008-05-01
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/SC 65E
Reference Document IEC 61804-2:2006 (EQV)
ICS 25.040.40 - Industrial process measurement and control
35.240.50 - IT applications in industry
Keywords Process control; Function block; FB concept
Note Partially supersedes EN 61804-2:2004
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2007-06-05 2008-05-01 export to doc file  EN  DE
5099 2007-05-01 2007-09-01  
5060 2007-02-14 2007-02-28 export to doc file  EN
5020 2006-12-08 2007-02-09 export to doc file  EN
4099 2006-11-01 2006-12-01  
4061 2006-09-28 2006-11-01  
4060 2006-02-17 2006-06-30 export to doc file  EN
4020 2005-09-09 2006-02-10  
3099 2005-09-06 2005-09-09  

Implementation Dates

date of Ratification (DOR) (1) 2007-05-01
date of Availability (DAV) (2) 2007-06-05
date of Announcement (DOA) (3) 2007-11-01
date of Publication (DOP) (4) 2008-05-01
date of Withdrawal (DOW) (5) 2010-05-01


Supersedes EN 61804-2:2004
Superseded by FprEN 61804-2:2013
Normative reference (6) ISO/IEC 7498-1:1994
ISO/IEC 9899:1999
ISO/IEC 10646-1:2000
IEC 60050-351:1998
EN 60584-1:1995
EN 61131-3:2003
CLC/TR 61158-1:2004
EN 61499-1:2005
EN 61499-2:2005
IEC/TS 61804-1:2003

(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.