"What is a PLC" for the High Schooler up to Executive Level management. http://bin95.com/plc_training.htm This video answers the question 'what is a PLC' in its most simplest form. If you or your people need PLC training, see the above link at BIN95.com This video was made from materila we used to put on a 1 hour webinar for the The association for Facilities Engineering. For instructor based PLC Training, see https://www.youtube.com/watch?v=Bw-m9gT7Nh4