(That’s just one more attribute that can be assigned to that control relay C1.) It may help to think of this control relay C1 as the coil of the relay when used as an output on the right-side of the ...

Programmable Logic Controllers Vol. 1 Programmable Logic Controllers Handbook Vol. 1 This 100+ page handbook deals with the PLC hardware and software and all the surrounding systems that must be ...

They compared a Python-based control loop on a Raspberry Pi 3B against an C0-12DD1E-2-D AutomationDirect CLICK Programmable Logic Controller (PLC) using a simple water heating example.