Controller for industrial machine

Details Controller for industrial machine Controller for industrial machine

1998-11-25

2000-11-21

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

With protective or reliability increasing features

318565, 318625, G05B 903, G05B 2302

Patent

active

061507865

ABSTRACT:
A controller for an industrial machine capable of monitoring a receiving circuit for receiving position information. A receiving circuit and an additional receiving circuit receive the same position information from a detector, and a monitoring circuit monitors a receiving state of the receiving circuit using position information received by the additional receiving circuit. A plurality of receiving circuits may be provided for respectively receiving different position information, and a plurality of additional receiving circuits and a plurality of monitoring circuits may be provided in a manner such that each additional receiving circuit and each monitoring circuit is associated with each receiving circuit. A single additional receiving circuit and a single monitoring circuit may be common to a plurality of receiving circuits.

REFERENCES:
patent: 3149272 (1964-09-01), Dendy
patent: 3309588 (1967-03-01), Martin et al.
patent: 4398242 (1983-08-01), Buus
patent: 4587470 (1986-05-01), Yamawaki
patent: 4902947 (1990-02-01), Ako
patent: 5043648 (1991-08-01), Strenzke
patent: 5694014 (1997-12-01), Hegg et al.

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