Building control system communication system timing...

Details Building control system communication system timing... Building control system communication system timing...

2011-06-07

2011-06-07

Zimmerman, Brian A (Department: 2612)

Communications: electrical

Selective

Monitoring in addition to control

C340S007550

Reexamination Certificate

active

07956719

ABSTRACT:
An arrangement for handling communication messages in a building control system includes a communication circuit and a control device. The communication circuit is operable to provide a first message on a communication network to a remote building control system device and to receive a responsive message generated by a remote building control system device responsive to the first message. The communication circuit is further operable to perform a first operation if the responsive message is received within a first time-out period and to perform a second operation if the responsive message is received after a first time-out period has expired. The control device is operable to generate a plurality of different time-out period values corresponding to a plurality of building control system devices and to provide information identifying the plurality of different time-out period values and their corresponding building control system devices to the communication circuit.

REFERENCES:
patent: 4019172 (1977-04-01), Srodes
patent: 5621417 (1997-04-01), Hassan et al.
patent: 6348793 (2002-02-01), Balloni et al.
patent: 2002/0144537 (2002-10-01), Sharp et al.
patent: 06121002 (1994-04-01), None
English Abstract of JP 06121002.

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