Programmable sequence controller

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364167, 364474, G05B 1918, G06F 1546

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active

043969739

ABSTRACT:
A programmable sequence controller which need not be equipped with a tape reader for reading a paper tape bearing a punched sequence program or the like. A prepared sequence program or the like is punched in a paper tape in accordance with the standards of a paper tape reader which is provided in a numerical control device, and then is transferred from the numerical control device to a random access memory in the programmable sequence controller. The sequence program is read from the random access memory to permit the execution of sequential operations by processing the program.

REFERENCES:
patent: 4034354 (1977-07-01), Simmons
patent: 4038533 (1977-07-01), Dummermuth et al.
patent: 4064395 (1977-12-01), Schubeler et al.
patent: 4068297 (1978-01-01), Komiya
patent: 4149235 (1979-04-01), Froyd et al.
patent: 4199814 (1980-04-01), Rapp et al.
patent: 4209847 (1980-01-01), Noda et al.
patent: 4212081 (1980-07-01), Suzuki et al.
Jeffery, "Retrofitting with CNC"-Proceedings of the Annual Meeting and Technical Conference of the Numerical Control Society-Chicago, Ill.-Apr. 9-12, 1978, Proc. 15-pp. 194-206.

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