PLC Fundamentals
PLC, PAC or DCS: what's actually the difference?
The three terms get used interchangeably, but the architecture behind each one still changes how a plant is built and maintained.
Read articleBlog
Notes from the panel shop.
Practical writing on PLC programming, SCADA, panel engineering and IIoT — the kind of detail that only shows up once you've actually built the thing. Six articles up so far; more are on the way.
PLC Best Practice
Seven PLC programming mistakes that cause 3 a.m. callouts
Double writers, unsupervised analog inputs, missing timeouts and more — what to look for and how to fix it.
Read articlePLC Programming
PLC scan time: why it matters and what to do when it's too slow
Missed pulses, sluggish response and watchdog faults all trace back to the scan cycle. Here's how to fix them without a faster CPU.
Read articlePLC Programming
Structured text over ladder: when it pays off
Ladder is readable on the plant floor. Structured text scales. A practical rule for deciding per routine.
Read articleControl Systems
Sizing enclosure heaters for outdoor panels
Why ambient minimum matters more than panel volume, and how to avoid condensation without cooking your PLC.
Read articleIIoT
OPC UA or MQTT: choosing the right transport
Both move plant data upstream. They solve different problems, and picking wrong costs you a rewrite.
Read articleMore articles are being added regularly — this is the start of a longer series, not the whole shelf.
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