Alarm Occurrence Timing Chart - Mitsubishi Electric MR-J4-10A(-RJ) Instruction Manual

18. MR-J4-03A6(-RJ) SERVO AMPLIFIER

18.3.8 Alarm occurrence timing chart

CAUTION
To deactivate an alarm, cycle the control circuit power, push the "SET" button in the current alarm window,
or cycle the RES (Reset). However, the alarm cannot be deactivated unless its cause is removed.
(1) When you use the forced stop deceleration function
(a) 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)
Note 1. The model speed command is a speed command generated in the servo amplifier for forced stop deceleration
of the servo motor.
2. If the servo motor speed is 5 r/min or higher, the electric dynamic brake will operate continuously for the time
period set by [Pr. PF15].
When an alarm has occurred, remove its cause, make sure that the operation
signal is not being input, ensure safety, and reset the alarm before restarting
operation.
POINT
In the torque control mode, the forced stop deceleration function is not available.
POINT
To enable the function, set "2 _ _ _ (initial value)" in [Pr. PA04].
0 r/min
ON
OFF
No alarm
ON
OFF
ON (no alarm)
OFF (alarm)
Alarm occurrence
Command is not received.
Alarm No.
18 - 38
(Note 1)
Model speed command 0
and equal to or less than
zero speed
Dynamic brake
operating time
(Note 2)