Apr 12, 1996Feb 29, 2000Fisher-Rosemount Systems, Inc.Process control system for versatile control of multiple process devices of various device typesUS6098116 *Apr 12, 1996Aug 1, 2000Fisher-Rosemont Systems, Inc.Process control system including a method and apparatus for automatically sensing the connection of devices to a networkUS6195591 *Dec 11, 1998Feb 27, 2001Fisher-Rosemount Systems, Inc.Pr