Definition:
Fixed Programming Languages (FPL) are predefined programming environments with limited flexibility to avoid introducing systematic faults.
Key Points:
- Examples include ladder diagram (LD) and function block diagram (FBD).
- Used to reduce the likelihood of introducing dangerous coding errors.
Example:
Safety-critical logic implemented in FBD to simplify validation.
See also: Full variability programming language
Cited Source:
- IEC 61131-3.