Microcomputer-controlled system with redundant checking of senso

Details Microcomputer-controlled system with redundant checking of senso Microcomputer-controlled system with redundant checking of senso

1989-03-13

1990-05-08

Wayner, William E.

Automatic temperature and humidity regulation

Thermostatic

With indicator or alarm

324500, 340650, 364557, 431 24, F23Q 2300

Patent

active

049231170

ABSTRACT:
A burner control system has a microprocessor for testing parameters of operation and for indicating deviations from a preset range for each. The sensors monitoring the parameters provide their outputs as analog voltages to analog to digital (A/D) converters which provide the parameters in digital form. Tests using preset voltage standards increase the likelihood of A/D converter accuracy. In addition, as operating conditions for the burner change, different preset ranges are used for each sensor output when testing them so as to provide maximum confidence of proper burner operation.

REFERENCES:
patent: 4155080 (1979-05-01), Kovacs
patent: 4296727 (1981-10-01), Bryan
patent: 4298334 (1981-11-01), Clark et al.
patent: 4518345 (1985-05-01), Mueller et al.
patent: 4716519 (1987-12-01), Locke, Jr. et al.
patent: 4716858 (1988-01-01), Bartels

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