Historical
IEC/TR 61499-3 Ed. 1.0 en:2004
Function blocks for industrial-process measurement and control systems - Part 3: Tutorial information
is intended to provide a simple shorthand for common functionality in a broad number of ""application domains"" and, to that extent, may be considered a ""language"". It should be noted that IEC 61499 is not a programming methodology per se.
International Electrotechnical Commission [iec]