Automation Q & A for 01/30/23:

Recently I was asked why a PLC-5's I/O is addressed in Octal, and I answer that question in today's Automation Q&A below:

NOTE: If you need to learn how to use and program the PLC-5, check out my Ultimate PLC-5 online course. It comes with support and never expires.

Until next time, Peace ✌️ 

Shawn M Tierney
Technology Enthusiast & Content Creator

Have a question? Join my community of automation professionals and take part in the discussion! You'll also find my PLC, HMI, and SCADA courses at

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