Mitsubishi Electric MELSERVO-JET MR-JET User Manual page 122

■Alarm occurrence
• When forced stop deceleration is enabled
MBR is turned off after the servo motor stops through forced stop deceleration, then the base circuit and ALM are turned off
after the base circuit shut-off delay time.
Servo motor speed
Base circuit
(Energy supply to
the servo motor)
Servo amplifier
display
MBR
(Electromagnetic
*1
brake interlock)
ALM
(Malfunction)
Electromagnetic
brake
Servo-on command
(from controller)
Ready-on command
(from controller)
*1 ON: Electromagnetic brake is not activated
OFF: Electromagnetic brake is activated
*2 The model speed command is a speed command generated in the servo amplifier for forced stop deceleration of the servo motor.
• When forced stop deceleration becomes disabled
The servo motor stops using the same method as with the dynamic brake.
Page 113 Stopping with dynamic brake
3 BASIC FUNCTION
120
3.11 Electromagnetic brake interlock function
Alarm occurrence
0 r/min
ON
OFF
No alarm
ON
OFF
ON (no alarm)
OFF (alarm)
Release
Activate
ON
OFF
ON
OFF
Controller command is
not received.
Alarm No.
Model speed command 0
and equal to or less than
*2
zero speed
Tb [Pr. PC02 Electromagnetic
brake sequence output]
Operation delay
time of the
electromagnetic
brake