Expandable programmable controller

Details Expandable programmable controller Expandable programmable controller

1992-02-14

1996-07-30

Phillips, Michael W.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361731, 361733, 4399281, G06F 116, H05K 500

Patent

active

055418104

ABSTRACT:
An expandable automation system includes both a programmable controller that is capable of stand-alone operation, and a modular programmable controller. The programmable controller that is capable of standalone operation has an interface, such as a multipole plug connector, for connecting expansion units. The modular programmable controller consists of a central processing unit and expansion modules. The expansion modules of the modular programmable controller can be used as expansion units for the programmable controller that is capable of standalone operation.

REFERENCES:
patent: 4246436 (1981-01-01), Hoffman et al.
patent: 4378502 (1983-03-01), Clarke
patent: 4738632 (1988-04-01), Schmidt et al.
patent: 4790762 (1988-12-01), Harms et al.
patent: 4920453 (1990-04-01), Onose et al.
patent: 5000692 (1991-03-01), Taniguchi et al.

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