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, who became a heavy drinker in the last years of his life, died of liver failure on April 6, 1970, at age 46. His son has made multiple attempts to clear Sheppardâs name, including unsuccessfully suing the government for wrongful imprisonment of his father in 2000.