Programmable controller with multiple functions

Details Programmable controller with multiple functions Programmable controller with multiple functions

1981-12-07

1984-06-19

Heckler, Thomas M.

Boots, shoes, and leggings

G06F 500, G06F 1546

Patent

active

044556217

ABSTRACT:
A programmable controller includes a memory which stores an I/O image table and a data table. An I/O scanner module updates the I/O image table with the status of I/O devices connected to the programmable controller. The processor executes a control program to perform logical and arithmetic operations on the data in the data table. Such operations may be performed on data of different types and any necessary data conversions are performed automatically. Also, such operations may be performed on entire data files without degrading the response time of the programmable controller.

REFERENCES:
patent: 3930233 (1975-12-01), Morley et al.
patent: 4303990 (1981-12-01), Seipp
patent: 4307447 (1981-12-01), Provanzano et al.

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