Output converting circuit for a programmable sequence controller

Details Output converting circuit for a programmable sequence controller Output converting circuit for a programmable sequence controller

1979-01-16

1980-11-04

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307200A, 307290, 307296R, 361 92, H03K 1706, H03K 1730

Patent

active

042322367

ABSTRACT:
An output circuit for a programmable sequence controller wherein a load drive element control circuit is responsive to a command signal stored in a memory circuit for controlling a load drive element connected between a load and a first electric supply. Between a power input terminal of the load drive element control circuit and a second electric supply, there is connected in series a switching element, which is switched on in response to a signal applied from a supply voltage detecting circuit only when the voltage level of the second electric supply is not lower than a level sufficient for normal and reliable operation of the load drive element control circuit.

REFERENCES:
patent: 3219911 (1965-11-01), Burfeindt
patent: 3504202 (1970-03-01), Rittmann et al.
patent: 3719859 (1973-03-01), Frantz et al.
patent: 3754182 (1973-08-01), Morris et al.
patent: 3800168 (1974-03-01), Cochran
patent: 4151425 (1979-04-01), Cappa

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