Learn BECKHOFF-TWINCAT with Real Code Examples
Updated Nov 27, 2025
Learning Path
Learn IEC 61131-3 basics
Understand EtherCAT and routing
Study tasks & real-time scheduling
Master motion control function blocks
Explore CNC/robotics advanced modules
Skill Improvement Plan
Week 1: PLC basics + POU structures
Week 2: EtherCAT configuration
Week 3: Motion control FBs
Week 4: Tasks & performance tuning
Week 5: Robotics/CNC & communication protocols
Interview Questions
What is TwinCAT’s real-time architecture?
Explain how tasks work in TwinCAT.
How do you configure EtherCAT topology?
Describe ADS and its use cases.
How do you implement multi-axis motion?
Cheat Sheet
F11 -> Activate configuration
ADS Route must be configured
Use MC_Power before motion commands
Map I/O before downloading
Check task cycle overloads
Books
Programming PC-based Controllers with TwinCAT
EtherCAT and TwinCAT Engineering
Practical TwinCAT 3 Motion Control
Advanced IEC 61131-3 with TwinCAT
Industrial Robotics with Beckhoff TwinCAT
Tutorials
TwinCAT PLC basics
EtherCAT configuration
Motion control tutorials
Robotics/CNC configuration
ADS & OPC UA communication
Official Docs
https://infosys.beckhoff.com/
https://beckhoff.com/twincat3
Community Links
Beckhoff Automation Forum
PLC Talk (TwinCAT section)
GitHub TwinCAT examples
YouTube automation channels
User group discussions
Community Support
Beckhoff InfoSys
Forum Beckhoff Automation
PLC Talk community
GitHub TwinCAT examples
YouTube engineering tutorials