iec 61131-3 - PLC Programming & Automation

The 5 PLC Programming Languages and When to Use Each

September 12, 2026February 3, 2024 by PLC

Ladder, FBD, Structured Text, SFC and IL compared on real hardware: what Studio 5000 v33 and TIA Portal V18 support, and which one to pick per job.

September 13, 2026January 6, 1970 by PLC

What is in a PLC rack and how the software sees it: power supply budget, CPU memory, I/O cards, tasks and routines, and tags against S7 addresses.