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Patent Searching and Data


Title:
MOTOR CONTROLLER EQUIPPED WITH EMERGENCY SHUTDOWN SYSTEM
Document Type and Number:
Japanese Patent JP2010057245
Kind Code:
A
Abstract:

To provide a motor controller which is equipped with an emergency shutdown system that can variably adjust the braking force, according to the position in the stroke range of a movable body, that enables the braking force to be variably adjusted, even when power failure occurs, and that can attain size reduction of the device and improvement in reliability.

The emergency shutdown system includes: a braking force adjusting means, which adjusts the braking force of the braking means, according to the present position of the movable body; and a power supply means, which generates powers source, based on the power generated with the motor at operation of a dynamic brake, and supplies power to the braking force adjusting means.


Inventors:
ITO SHINGO
ITO MASAKAZU
SEKIOKA KENICHI
Application Number:
JP2008218233A
Publication Date:
March 11, 2010
Filing Date:
August 27, 2008
Export Citation:
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Assignee:
YASKAWA ELECTRIC CORP
International Classes:
H02P3/22