▶ Want to learn industrial automation? Go here: ▶Want to train your team in industrial automation? Go here: ▶ Check out the full blog post over at ========================== Today we are going to talk about the basics of a PLC, the workhorse of industrial automation. The programmable logic controller, or PLC, is a special purpose computer. It has no display, no keyboard, no printer, no hard drive, and hides in the control panel out on the factory floor, but it is still a computer. Initially, the PLC was a replacement for panels of relays, devices that turn on and off. Making a machine run using relays as logic was time-consuming and challenging, and making a change in the logic or the operation of the machine was almost as complicated as starting over. ========================== IEC 61131 Standard: ========================== Missed our most recent videos? Watch them here: ============================= To stay up to date with our last videos and more lessons, make sure to subscribe to this YouTube channel: ============================= TWEET THIS VIDEO: ============================= Like us on Facebook: Follow us on Twitter: Follow us on LinkedIn #RealPars #PLC #ProgrammableLogicController