Numerical-control system

Details Numerical-control system Numerical-control system

1996-11-14

1999-03-02

Gordon, Paul P.

Boots, shoes, and leggings

364136, 364141, G06F 1900

Patent

active

058779590

ABSTRACT:
An NC system capable of operating without a delay even if it uses a personal computer of low real-time processing performance. The NC system includes a general-purpose personal computer having a main bus and a plurality of expansion slots on the main bus. An NC board is installed in one of the expansion slots to control a servomotor and so forth. A PLC board is installed in another of the expansion slots to effect sequence control and so forth. The NC board and the PLC board are interconnected by a subbus other than the main bus.

REFERENCES:
patent: 4209847 (1980-06-01), Noda et al.
patent: 4943905 (1990-07-01), Iwagaya et al.
patent: 5283749 (1994-02-01), Tanahashi
patent: 5565854 (1996-10-01), Kataoka et al.
patent: 5740387 (1998-04-01), Lambrecht et al.

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