3 SIGNALS AND WIRING
3.7 Servo motor with an electromagnetic brake
99
3
3.7
Servo motor with an electromagnetic brake
Precautions
• For specifications such as the power supply capacity and operation delay time of the electromagnetic brake, and for
selecting the surge absorber for the electromagnetic brake, refer to "Characteristics of electromagnetic brake" in the
following manual.
Rotary Servo Motor User's Manual (HK series)
• The electromagnetic brake on the servo motor is designed to hold the motor shaft. Do not use it for normal braking.
• Incorrect wiring, service life, or the mechanical structure (e.g. when coupled via a timing belt) may cause the
electromagnetic brake to be unable to hold the motor shaft. To ensure safety, install a stopper on the machine side.
• If it is assumed that a hazardous situation may arise when the equipment power is off or a product malfunction occurs, use
a servo motor with an electromagnetic brake or provide an external brake system for holding purpose to prevent such
hazard.
• Configure an electromagnetic brake circuit that interlocks with the external emergency stop switch.
• Before operating the servo motor, confirm that the electromagnetic brake operates properly.
• For the power supply of the electromagnetic brake, use the power supply designed exclusively for the electromagnetic
brake.
• If using EM2 (Forced stop 2), use MBR (Electromagnetic brake interlock) for operating the electromagnetic brake.
• If using the servo motor with the electromagnetic brake, the electromagnetic brake will operate when the power (24 V DC)
turns off.
• If using the servo motor with the electromagnetic brake, turn off the servo-on command after the servo motor stops.
Connection diagram [G] [A]
*1 Configure a circuit which interlocks with an emergency stop switch to shut off.
*2 Do not use the 24 V DC interface power supply for the electromagnetic brake.
B1
B2
ALM
MBR
DOCOM
MBR
RA1
*1
RA1
B
U
Servo amplifier
Servo motor
24 V DC
*2
(Malfunction)
24 V DC
Содержание Melservo-J5 MR-J5 Series
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