DIN EN 61804-2 (2007-10)现行
Function blocks (FB) for process control Part 2: Specification of FB concept (IEC 61804-2:2006); German version EN 61804-2:2007, text in English
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SS EN 61804-2 Ed. 1 (2004) - Identical
BS EN 61804-2:2004 - Identical
EN 61804-2:2007 - Identical
SS EN 61804-2 Ed. 2 (2007) - Identical
NF EN 61804-2:2017 - Identical
NF EN 61804-2:2004 - Identical
NBN EN 61804-2:2007 - Identical
I.S. EN 61804-2:2007 - Identical
IEC 61804-2 Ed. 2.0 - Identical
