Links to some of our favorites

A PLC programming book by Hugh Jack (this is a must read and its free)

Free PLC Simulator, learn the basics of PLC programming

Spread the word Manufacturing Day - Join in educating America manufacturing 


Programming and Automation forums


Information Resources and free material   A ton of free engineering information

A Practical Guide to Programmable Logic Controllers Free programming book 

Lessons In Industrial Instrumentation  Not for the beginner but a good read (Large PDF)  A lot of information about PLC's and PLC programming specializing in Automation Direct Electrical drawing software (CAD software) with a Free standard license


Legacy Allen Bradley PLC upgrades  If your looking to upgrade some old Allen Bradley PLC's 


Recommended Training courses  Electrical and PLC Training by Randy Craps


Engineers without borders  International  USA



About PLC's 

The first PLC was in 1970 at the GM Ypsilanti plant, see here for a good read


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