Communications system, a HVAC system employing the same and a method of manufacturing a component for the HVAC system
First Claim
1. A Heating, Ventilation and Air Conditioning (HVAC) system, comprising:
- an air handler configured to condition and circulate air for said HVAC system; and
an air handler controller for said HVAC system configured to control operation of said air handler, said air handler controller including interface circuitry having a predetermined coupling impedance and configured to couple said air handler controller to a plurality of components of said HVAC system via a communications network of said HVAC system, wherein;
a total of said predetermined coupling impedance and an end node coupling impedance at each of said components is substantially a defined maximum loading impedance for said communications network; and
said end node coupling impedance of one of said plurality of components is determined based on said predetermined coupling impedance and end node coupling impedances of remaining ones of said plurality of components.
1 Assignment
0 Petitions
Accused Products
Abstract
In one aspect, the disclosure provides an HVAC system. In one embodiment, the HVAC system includes: (1) an air handler configured to condition and circulate air for the HVAC system, and (2) an air handler controller for the HVAC system configured to control operation of the air handler, the air handler controller including interface circuitry having a predetermined coupling impedance and configured to couple the air handler controller to components of the HVAC system via a communications network of the HVAC system, wherein a total of the predetermined coupling impedance and an end node coupling impedance at each of the components is substantially a defined maximum loading impedance for the communications network and wherein the end node coupling impedance of one of said plurality of end nodes is determined based on said predetermined coupling impedance and end node coupling impedances of remaining ones of the plurality of end nodes.
5 Citations
17 Claims
-
1. A Heating, Ventilation and Air Conditioning (HVAC) system, comprising:
-
an air handler configured to condition and circulate air for said HVAC system; and an air handler controller for said HVAC system configured to control operation of said air handler, said air handler controller including interface circuitry having a predetermined coupling impedance and configured to couple said air handler controller to a plurality of components of said HVAC system via a communications network of said HVAC system, wherein; a total of said predetermined coupling impedance and an end node coupling impedance at each of said components is substantially a defined maximum loading impedance for said communications network; and said end node coupling impedance of one of said plurality of components is determined based on said predetermined coupling impedance and end node coupling impedances of remaining ones of said plurality of components. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification