Information transmission system between machine master and servo

Details Information transmission system between machine master and servo Information transmission system between machine master and servo

1992-03-19

1993-12-07

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

370 8515, 34082506, 3408255, 318562, H04L 1242

Patent

active

052688984

ABSTRACT:
An information transmission system for a numerical control (NC) system having a servo mechanism with plural units, wherein the NC issues commands for processing by corresponding servo units and the servo units issue status information for monitoring and display by the NC. A plurality of serial data transmission paths are provided between the NC unit and servo amplifiers and the transmission paths are different in communication cycle in order to allow rapid-response control for large volumes of information transmitted. In particular, the invention also can be applied to a transmission loop in a programmable controller (PC).

REFERENCES:
patent: 4078196 (1978-03-01), Thadani
patent: 4748560 (1988-05-01), Kataoka
patent: 4928097 (1990-05-01), Staab et al.
patent: 5013989 (1991-05-01), Kurakake et al.

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