Digital input/output circuit board

Details Digital input/output circuit board Digital input/output circuit board

1995-08-30

1998-04-07

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361686, 361679, 361728, 361729, 361833, 361834, 439 59, 439 65, H05K 114

Patent

active

057371903

ABSTRACT:
A digital input/output circuit board includes a plurality of module receptacles for selectively mounting input modules or output modules, wiring terminals for attaching field wires to electrically connect the circuit board to field devices, a hot wiring terminal for attaching a hot power wire, a neutral wiring terminal for attaching a neutral power wire, and a device for selecting the status of each of the module receptacles as either an input or an output, to enable a computer connected to the circuit board to receive input signals to read the state of the field devices and to send output signals to activate other field devices.

REFERENCES:
patent: 4504927 (1985-03-01), Callan
patent: 4790762 (1988-12-01), Harms et al.

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