Machine tool controlling network communication controlling syste

Details Machine tool controlling network communication controlling syste Machine tool controlling network communication controlling syste

1997-01-21

1999-08-31

Peeso, Thomas R.

Boots, shoes, and leggings

36447422, B23Q 3700

Patent

active

059462159

ABSTRACT:
In a system that connects a numerical controller (NC) unit to an operation board and to a plurality of remote I/Os with serial communication lines, the control method of the serial communication line between the NC unit and the operation board is similar to the control method of the serial communication line between the NC unit and the remote I/Os, so that the operation board can at times use the same communication lines as the remote I/Os to improve the flexibility of the system. The frame length and communication interval of data transmitted/received between the NC unit and the operation board are the same as those of data transmitted/received between the NC unit and the remote I/O. The operation board and the remote I/O can thus be connected to a common communication controlling portion of the NC unit.

REFERENCES:
patent: 4249243 (1981-02-01), Yoshida
patent: 5126956 (1992-06-01), Komiya
patent: 5323385 (1994-06-01), Jurewicz
patent: 5453933 (1995-09-01), Wright
patent: 5596437 (1997-01-01), Heins
The McGraw-Hill PC Programmer's Desk Reference Maria P. Canton/Julio Sanchez 1995 pp. 201-202.

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