Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 431

15. MR-J3W-0303BN6 SERVO AMPLIFIER
15.3.7 Servo motor with an electromagnetic brake
(1) Precautions
CAUTION
Note the following when the servo motor with an electromagnetic brake is used.
1) The brake will operate when the power (24VDC) turns off.
2) Turn off the servo-on command after the servo motor stopped.
Configure an electromagnetic brake circuit so that it is activated also by an external
EMG 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 operating the servo motor, 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,
it may cause a malfunction.
POINT
Refer to "Servo Motor Instruction Manual (Vol. 2)" for specifications such as the
power supply capacity and operation delay time of the electromagnetic brake.
Refer to "Servo Motor Instruction Manual (Vol. 2)" for the selection of a surge
absorber for the electromagnetic brake.
Contacts must be opened with
the emergency stop switch.
RA
B
U
15 - 26
24VDC