Input management circuit particularly for a programmable automat

Details Input management circuit particularly for a programmable automat Input management circuit particularly for a programmable automat

1990-06-01

1991-10-29

Shaw, Gareth D.

Boots, shoes, and leggings

3649269, 36493544, 364949, G06F 1300

Patent

active

050620720

ABSTRACT:
An input or input-output management circuit for a process control system such as a programmable automation is provided, including a serializing means with parallel inputs connected to input channels by filtering and threshold means, a series output of the serializing means being connected via a series connection equipped with an optocoupler and a filter to an input or input-output management unit.

REFERENCES:
patent: 3942158 (1976-03-01), Dummermuth
patent: 4104731 (1978-08-01), Grudowski et al.
patent: 4910659 (1990-03-01), Gates et al.

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