A programmable logic controller, PLC, or programmable controller is a digital computer used for automation of typically industrial electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures.PLCs are used in many machines, in many industries. programmable logic controller, PLC, or programmable controller is a digital computer used for automation of typically industrial electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures.
title / office. Sam Houston, byname of Samuel Houston (born March 2, 1793, Rockbridge county, Virginia, U.S.âdied July 26, 1863, Huntsville, Texas), U.S. lawyer and politician, a leader in the Texas Revolution (1834â36). 1  In his youth Houston moved with his family to a farm in rural Tennessee after the death of his father in 1807.
Sam Sheppard. Dr. Samuel Holmes Sheppard (December 29, 1923(1923-12-29) â April 6, 1970(1970-04-06)) was an American osteopathic physician and neurosurgeon, who was involved in an infamous and controversial murder trial. He was convicted of the murder of his pregnant wife, Marilyn Reese Sheppard.