Floor 06 · Journal
Shift log: articles
Engineering notes from the field: PLC, Ex, IIoT and power quality.
2026-09-27
How to read an Ex marking on any device
Breaking down a marking like Ex db eb IIC T4 Gb piece by piece, and which zones the device is fit for.
ATEXIECExEPL2026-09-20The TON timer in Structured Text, in practice
How the on-delay timer works, why it is the standard cure for chattering alarms, and an example you can run in the ST Lab.
STTONIEC 61131-3