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.
The tragedy being carried by the family of this week hit even harder on Saturday, as relatives gathered at the 21-year-old's bedside on the three-year anniversary of her mother's death. Whitney Houston died on February 11, 2012, the day before the Grammy awards of that year. With this year's Grammy's set to take place Sunday, it was an eerie link between mother and daughter that added to the solemness of the situation at Emory University Hospital in Atlanta.