A high-level, text-based language similar to Pascal or C. It is best for complex math, data handling, and algorithmic logic [26, 33]. Function Block Diagram (FBD):
: Used for complex calculations and data filtering. advanced plc programming pdf
: Organizing code into periodic tasks (e.g., running safety logic every 10ms but data logging every 500ms) to ensure the CPU isn't overloaded. A high-level, text-based language similar to Pascal or C