Servo Motor With Electromagnetic Brake - Mitsubishi Electric MR-J2S-A Instruction Manual

3. SIGNALS AND WIRING

3.9 Servo motor with electromagnetic brake

CAUTION
Note the following when the servo motor equipped with electromagnetic brake is used.
1) Set " 1 " in parameter No.1 to make the electromagnetic brake interlock (MBR) valid. Note
that this will make the zero speed signal (ZSP) unavailable.
2) Do not share the 24VDC interface power supply between the interface and electromagnetic
brake. Always use the power supply designed exclusively for the electromagnetic brake.
3) The brake will operate when the power (24VDC) switches off.
4) While the reset (RES) is on, the base circuit is shut off. When using the servo motor with a
vertical shaft, use the electromagnetic brake interlock (MBR).
5) Switch off the servo-on (SON) after the servo motor has stopped.
(1) Connection diagram
Servo amplifier
VDD
COM
MBR RA
Configure the electromagnetic brake operation circuit so that it is activated not only
by the servo amplifier signals but also by an external emergency stop signal.
Contacts must be open when
servo-off, when an trouble (ALM)
and when an electromagnetic brake
interlock (MBR).
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.
POINT
Refer to the Servo Motor Instruction Manual for specifications such as the
power supply capacity and operation delay time of the electromagnetic
brake.
Emergency
RA
24VDC
3 - 56
WWW.NNC.IR
Circuit must be
opened during
emergency stop (EMG).
Servo motor
RA EMG
24VDC
Servo motor
stop
B1
B2