74261201
Mar 31, 1992
Jan 25, 1994
supervisory control and data acquisition system and a fully distributed control system comprised of industrial micro-processor based controllers, various software, information control stations, distributed control units, universal control modules, front-end processors, modems and radio equipment, discrete digital and analog input and output modules, servers, event loggers and alarm and report printers which provide automated process control for industrial applications by scanning field inputs for status and executing appropriate control strategies to determine the required outputs to properly control the process
Electrical and Scientific Apparatus