E-100LOGGIO FOR PLANT & CONTROLS ENGINEERSREV 2026-08
You are the search engine for every down machine in the building.
Most of the 2 am calls aren't repairs. They're lookups: which rung, which wire, which permissive. Loggio does lookups, so the calls that reach you are the ones that need you.
A TECH ASKS IT, INSTEAD OF CALLING YOU
"Why did it fault on changeover?"
LOGGIO
"S02_Auto_Seq step 12 timed out waiting for the lift's up prox. That prox lands on input 6 of the Zone-4 card — sheet 14, wire 217. Maintenance found water in the connector last week but I don't know if they replaced it."
OR YOU ASK IT YOURSELF
"What's holding the transfer permissive?"
LOGGIO
"Rung 47 of R03_Transfer drops it when the discharge photoeye and the downstream run status disagree. Right now the run-status bit is off; the downstream VFD isn't reporting running."
COMPATIBILITY
Allen-Bradley CompactLogix and ControlLogix (Studio 5000), firmware v19 through v36 supported. Firmware outside of v28-v36 requires saving the program as a .L5X file.
SOURCES
The PLC program, electrical drawings (red-lined scans included), equipment manuals, live tag values when linked.
CONNECTION
Optional. Guidance works without ever touching the machine; the local link exists for live values only.
WRITES
None. The device's software contains no code that can write a tag.
TRIBAL KNOWLEDGE
Session knowledge accumulates per machine: what you explain once, the next tech can ask for.
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Who is Loggio
FOUNDER
Eric has spent the last 20 years in Controls Engineering and AI. He's held roles from Controls Engineer for an Integrator to VP of Engineering over a three-shift Maintenance Department in high-volume manufacturing. Eric specializes in PLC programming, Robotics, and AI-Controls integrations.
