Overview of the Function Block Diagram (FBD) programming language
FBD is a graphical programming language. The representation is based on electronic circuit systems.
The program is mapped in one or more networks. A network contains one or more logic operation paths. The binary signal scans are linked by boxes. The representation of the logic is based on the graphical logic symbols used in Boolean algebra.
Example of networks in FBD
The following figure shows an FBD network with AND and OR boxes and an assignment:
See also