Install the app
How to install the app on iOS
Follow along with the video below to see how to install our site as a web app on your home screen.
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Legacy Programmable Logic Controllers
The Classic PLC website is an on-going project to amass and accumulate as much public data as is available on the legacy Programmable Logic Controllers and make the information available in an easy to use format.
Within the Infobase forums you will find an expansive and ever-growing listing of legacy PLC equipment and modules, which may include; descriptions, specifications, pinouts, hookups, images, and even repair tips.
Visit the Classic PLC forums for legacy PLC related conversations. Have a question? Need some help? Have some info you wish to share? Or maybe you just want to relax and hang out in the lounge with a cup of hot joe.
A brief history on the invention of the PLC and the first decades of brand names and products.
PLC Sales
Classic PLC may have legacy plc equipment listed for sale on ebay from time-to-time.
Become a Member
Register for free and join our PLC forum community today. Share your tips or tricks, or join a conversation about something that interests you.
Members also enjoy access to the full-site search feature as well as Master Lists and attachments in the Infobase.
Register Today!
It's Fast, Free, and Easy.
Register for free and join our PLC forum community today. Share your tips or tricks, or join a conversation about something that interests you.
Members also enjoy access to the full-site search feature as well as Master Lists and attachments in the Infobase.
Register Today!
It's Fast, Free, and Easy.