PLC-5 – Why is 1771 I/O Addressed in Octal? (qa230130)

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 TheAutomationSchool.com.

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Shawn Tierney

Shawn is a lifelong Technology Enthusiast who as a pre-teen in the early 80's discovered his passion for programing on the newly released Apple II and VIC-20 computers. After earning a degree in Electronics, Shawn worked as a Certified Automation Specialist for 25 years before leaving to focus full time on teaching online PLC, HMI, and SCADA courses at The Automation School, as well as publishing industrial automation news, interviews, and how-to articles & videos at The Automation Blog.

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