[Tutor] PLC communication with python?

[Jeff Peery]

Hello, I would like to write a python script that communicates with a  PLC (programmable logic controller) as well as instruments like  calipers and things. I'm completely in the dark here and not sure where  to start reading and learning. could someone point me in the right  direction for learning this stuff? thanks!
  
  Jeff
  
		
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