Programmable controller and sequence control method

Details Programmable controller and sequence control method Programmable controller and sequence control method

1995-05-15

1996-04-02

Teska, Kevin J.

395375, 395728, G05B 19414

Patent

active

055049303

ABSTRACT:
A programmable controller for executing a program having mixed instructions. The programmable controller includes a bit operation memory for storing a mixed instruction inclusive of the mixture of bit operation instructions and word operation instructions in order of execution and a word operation memory for storing the word operation instructions in the mixed instruction in order of execution. A bit operation processor is provided in the programmable controller for outputting a start command for a word operation instruction when a word operation instruction read from the bit operation memory subsequently to the execution of the bit operation instruction has been recognized. The programmable controller also provides a microprocessor for receiving the word operation start command to execute the word operation instruction stored in the word operation memory,

REFERENCES:
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patent: 4627025 (1986-12-01), Ninnemann et al.
patent: 4648068 (1984-01-01), Ninnemann et al.
patent: 5121490 (1992-06-01), Ueda

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