74246969
Feb 18, 1992
Apr 27, 1993
industrial automation control systems consisting of - a plurality of station controllers containing, servo control modules, power supply modules, logic modules, and communication modules; and operator consoles comprised of displays, push button operator panels, and command interpreters; associated computer programs; and printed instruction manuals, sold with the system; or parts thereof in the field of industrial process monitoring, diagnostics and control
Electrical and Scientific Apparatus