Mapping of a functional design of a control loop 
Revision log
| Date | Revision description |
| 2022-10-31 | Revamped, added diagrams to show definition and use of function blocks; changed FunctionalPhysicalObject into FunctionalObject, the model is now in sync with the LSN |
| 2018-06-23 | Moved the code back to the level of FunctionalPhysicalObject |
| 2018-06-10 | Moved code to Class level |
| 2018-04-22 | Changed declaring as FunctionalObject to declaring as FunctionalPhysicalObject; added diagram showing the definition of a FUNCTION(math). |
| 2015-12-14 | Removed some typing errors and changed namespace of FunctionalObject to edm: |
| 2014-04-20 | Extended scope |
| 2013-09-16 | First issue |