Free PLC learning, explained visually

Learn the logic behind industrial automation.

Clear lessons on PLC programming, control logic, networks, and HMI—built to turn complex factory concepts into practical understanding.

Explore learning paths

Built for understanding, from the first scan to the full system.

  • Visual explanations
  • Practical examples
  • Learn at your pace
LESSON 01 SIMULATOR READY

PLC SCAN CYCLE

From input to output

01Read inputs
02Run logic
03Write outputs

See what the PLC does on every scan.

PLC LOGIC LADDER SCL / ST HMI PROFINET DIAGNOSTICS

CHOOSE WHERE TO START

Three paths into industrial programming.

Start with the fundamentals or jump to the system you want to understand.

01 FOUNDATION

PLC foundations

Understand how a controller reads, decides, and reacts.

  • Inputs and outputs
  • The PLC scan cycle
  • Addresses and memory
02 PROGRAMMING

Control logic

Build readable programs that control real sequences.

  • Ladder and SCL
  • Timers and counters
  • Sequences and states
03 SYSTEMS

Connected automation

See how PLCs communicate with the rest of the plant.

  • Industrial networks
  • HMI fundamentals
  • Fault finding

01Read the concept

02See the logic

03Try the exercise