Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 64

3. SIGNALS AND WIRING
3.11 Servo motor with an electromagnetic brake
3.11.1 Safety precautions
CAUTION
Note the following when the servo motor with an electromagnetic brake is used.
1) The brake will operate when the power (24VDC) switches off.
2) Switch off the servo-on command after the servo motor has stopped.
Configure a electromagnetic brake circuit so that it is activated also by an external
emergency stop switch.
Contacts must be opened when a
malfunction (ALM-A/ALM-B) and when an
electromagnetic brake interlock (MBR-A/
MBR-B).
Servo motor
Electromagnetic brake
The electromagnetic brake is provided for holding purpose and must not be used for
ordinary braking.
Before performing the operation, be sure to confirm that the electromagnetic brake
operates properly.
Do not use the 24VDC interface power supply for the electromagnetic brake. Always
use the power supply designed exclusively for the electromagnetic brake. Otherwise,
a fault may occur.
POINT
Refer to the Servo Motor Instruction Manual (Vol.2) for specifications such as the
power supply capacity and operation delay time of the electromagnetic brake.
Refer to section 11.13 for the selection of a surge absorber for the electromagnetic
brake.
Contacts must be opened with
the emergency stop switch.
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24VDC