G - Physics – 05 – D
Patent
G - Physics
05
D
341/112, 354/230
G05D 27/02 (2006.01) G05B 15/02 (2006.01) G05D 23/19 (2006.01)
Patent
CA 1154847
IMPROVED CHARACTERIZABLE DISTRIBUTION MEANS IN A SUPERVISOR AND CONTROL SYSTEM ABSTRACT An improved distribution system for use in super- vising and controlling temperature and other environmental conditioning equipment of a building or the like is disclosed. The distribution system is used in conjunction with a host or central computer. The distribution system includes one or more distribution panels which communicate with the host computer as well as with various control point apparatus that gather temperature, humidity, and other types of values, or gather status information regarding electrical switch states and the like. Other types of control point apparatus control electric motor starters, motors, or other control equipment for controlling environmental conditions or gen- eral energy use. The distribution panels have various func- tion means therein which are capable of receiving digital input signals, providing digital output signals to control point apparatus, receiving frequency analog input signals, pneumatic analog input and output signals, and the like. The function means have the capability of being uniquely characterized with respect to the type of operation that is to be performed and certain function means can also be char- acterized to selectively provide change of value reporting to the central computer as well as significant change of value reporting. Moreover other function means can be char- acterized to provide output signal levels or output pulses depending upon the characterization and such characteriza- tion is accomplished by an operator at the central or host computer with no switching or other manipulation being re- quiredr at the distribution panel.
377306
Belau Kenneth P.
Chelcun Darrell N.
Dougherty Roderick J. Jr.
Old Robert L. Jr.
Macrae & Co.
Mcc Powers
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