01
FOUNDATION
PLC foundations
Understand how a controller reads, decides, and reacts.
- Inputs and outputs
- The PLC scan cycle
- Addresses and memory
Free PLC learning, explained visually
Clear lessons on PLC programming, control logic, networks, and HMI—built to turn complex factory concepts into practical understanding.
Built for understanding, from the first scan to the full system.
PLC SCAN CYCLE
See what the PLC does on every scan.
CHOOSE WHERE TO START
Start with the fundamentals or jump to the system you want to understand.
Understand how a controller reads, decides, and reacts.
Build readable programs that control real sequences.
See how PLCs communicate with the rest of the plant.
01Read the concept
→02See the logic
→03Try the exercise