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.
Samuel Holmes Sam Sheppard ((1923-12-29) December 29, 1923 â April 6, 1970 (1970-04-06)) was an American osteopathic physician and, toward the end of his life, a professional wrestler. He was convicted in 1954 of the brutal murder of his pregnant wife, Marilyn Reese Sheppard, at their Bay Village, Ohio, home.n 2000, Sheppard's son, Sam Reese Sheppard, who was seven at the time of his mother's murder, sued the state of Ohio for his father's alleged wrongful imprisonment.