| 摘要 |
Since a release voltage to a brake is applied by a plurality of series-connected contacts and at least one contact is a normally open contact of a relay for controlling a driving power supply of a motor, a control apparatus having a high safety characteristic for an industrial-purpose robot is provided, while even when fusion of a contact happens to occur, the control apparatus can firmly interrupt the application of the release voltage to the brake. Also, the control apparatus for the industrial-purpose robot is provided which need not be equipped with a power supply for releasing the brake by an operator in a manual manner. To this end, in a control apparatus of an industrial-purpose robot ( 11 ) equipped with an electromagnetic type brake ( 23 ) which locks a shaft of a motor, the control apparatus is provided with a first relay contact ( 24 ) which is closed when the electromagnetic type brake ( 23 ) is released, and a second relay contact ( 22 ) which is closed when driving electric power is supplied to the motor; and the first relay contact ( 24 ), the second relay contact ( 22 ), and the electromagnetic type brake ( 23 ) are series-connected to a drive-purpose power supply ( 27 ) of the electromagnetic type brake ( 23 ).
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