Patent ID: 6192282
Filing Date: 2001-02-20
Classification: G05B

Abstract:
An improved building automation system, comprising:(a) a plurality of building automation subsystems, including at least:(1) a first building automation subsystem including at least one end device which is controllable in accordance with a first control protocol;(2) a second building automation subsystem including at least one end device which is controllable in accordance with a second control protocol;(b) a set of interprocess control commands together constituting an interprocess control protocol;(c) a least one programmable controller and associated memory for storing and selectively executing program instructions for a plurality of building automation programs, including at least the following programs:(1) a plurality of modular subsystem-specific programs, including at least:(a) a first modular subsystem program responsive to interprocess control commands of said interprocess control protocol for generating command signals in accordance with said first control protocol for control of said at least one end device of said first building automation subsystem;(b) a second modular subsystem program responsive to interprocess control commands of said interprocess control protocol for generating signals in accordance with said second control protocol for control of said at least one end device of said second building automation subsystem.