David F. Sereno, P.E., and Glenn Grasso, Affiliated Engineers, Inc., Madison, Wis.
Articles
Lighting and Lighting Controls
March 1, 2001
Changing of the Guard: The Programmable-Logic Controller
Long the mainstay of industrial process controls, the programmable-logic controller (PLC) is now emerging as a superior control device for life-safety systems...
By David F. Sereno, P.E., and Glenn Grasso, Affiliated Engineers, Inc., Madison, Wis.