Motor control apparatus with parallel input, serial output signa

Details Motor control apparatus with parallel input, serial output signa Motor control apparatus with parallel input, serial output signa

1982-01-15

1984-02-28

Smith, Jr., David

Electricity: motive power systems

Automatic and/or with time-delay means

Responsive to thermal conditions

318798, 318806, 361 24, H02P 300

Patent

active

044343906

ABSTRACT:
A motor starter, which may be microprocessor-controlled, is taught wherein a signal conditioning means is provided for receiving from the motor windings parallel inputs and motor bearings which are related to the motor winding and bearing temperatures and for operating on these parallel input signals in such a manner as to provide a single serial output signal for use by a control means to cause the motor control starting sequence or the normal motor run condition to be interrupted, for example, if any one of the temperatures is above a predetermined level.

REFERENCES:
patent: 4021700 (1977-05-01), Ellis-Anwyl
patent: 4286303 (1981-08-01), Genheimer et al.
patent: 4319298 (1982-03-01), Davis et al.

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