HVAC communication network

Details HVAC communication network HVAC communication network

1996-06-22

1998-05-12

Ruggiero, Joseph

Boots, shoes, and leggings

364505, 39520038, 39520075, G06F 1900

Patent

active

057515727

ABSTRACT:
An HVAC communication network includes one or more master controllers that communicate with their respective zone controllers by issuing broadcast messages over the network. The broadcast messages are read and analyzed by all zone controllers on the network. Each zone controller is able to determine whether a particular broadcast message is intended for it by noting whether the broadcast message contains a particular identification of its master controller.

REFERENCES:
patent: 4578538 (1986-03-01), Pascucci et al.
patent: 4949337 (1990-08-01), Aggers et al.
patent: 5039980 (1991-08-01), Aggers et al.
patent: 5390206 (1995-02-01), Rein et al.
patent: 5581478 (1996-12-01), Cruse et al.

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