Where Codesys Actually Runs — Runtime Targets and the Hardware Story
May 29, 2026 — A TIA Portal engineer's walk through Codesys runtime targets — why the IDE and the runtime are separate products, the free Control Win SL soft PLC, the €55 Raspberry Pi runtime, hard-real-time RTE, the OEM-embedded runtime ecosystem, and what the licensing model means in practice.
Codesys ST Through SCL Eyes — The Language Differences That Catch You First
May 21, 2026 — Article 3 of the Studying Codesys series. A TIA Portal engineer walks the Codesys ST language surface from a TIA SCL point of view — the `#` prefix and the `stat` naming convention, the two-pane editor, the VS Code question, data-type deltas in both directions, the OOP keyword surface, Actions as first-class callable sub-routines, RETAIN and PERSISTENT alongside the lived TIA snapshot-workflow gap, pragmas and attributes, and per-Action language mixing.
Inside a Codesys Project — Devices, Applications, POUs, and the Habits Worth Unlearning
May 15, 2026 — A TIA Portal engineer studying Codesys steps inside the IDE — Devices view vs POUs view, Applications, Task Configuration, per-application Library Manager, six programming-language editors, and the structural habits a TIA engineer has to unlearn. Article 2 of the Studying Codesys series.
Why I'm Studying Codesys — And What a TIA Portal Engineer Actually Sees Looking at the Alternative
May 7, 2026 — A TIA Portal engineer studies Codesys — the IDE/runtime split, who owns CODESYS GmbH, the cost story, where Codesys actually shows up, and the topical arc of the Studying Codesys series.
