Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 124

■Alarm occurrence
• When the forced stop deceleration function is enabled
Servo motor speed
Base circuit
(Energy supply to
the servo motor)
Servo amplifier
display
MBR
(Electromagnetic
brake interlock)
ALM (Malfunction)
Electromagnetic
brake
Servo-on command
(from controller)
Ready-on command
(from controller)
*1 The model speed command is a speed command generated in the servo amplifier for forced stop deceleration of the servo motor.
3 SIGNALS AND WIRING
122
3.9 Servo motor with an electromagnetic brake
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
*1
zero speed
Tb [Pr. PC02 Electromagnetic
brake sequence output]
Operation delay time
of the electromagnetic
brake