01Why teams pick CODESYS
It feels like a real PLC environment because it is one — used across industrial vendors. The fieldbus coverage and debugging tools are a step beyond the open-source options, which matters when you're integrating with existing industrial networks.
02The trade-off
You pay for a runtime licence and you're inside a commercial ecosystem. That's reasonable when the protocols and tooling save you weeks; it's overkill for a simple monitoring node where OpenPLC or Node-RED would do.
Common questions
The ones we're asked on every first call.
With a real-time-patched runtime it's far tighter than stock Linux, and good enough for many control loops. For the hardest real-time, the same MCU-co-processor pattern applies.
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