Mitsubishi Electric MR-J4, Instruction Manual

Page: 679 / 794

18. MR-J4-03A6 SERVO AMPLIFIER
18 - 38
18.3.8 Alarm occurrence timing chart
CAUTION
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.
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
POINT
To enable the function, set "2 _ _ _ (initial value)" in [Pr. PA04].
(a) When the forced stop deceleration function is enabled
Command is not received.
Alarm occurrence
Alarm No. No alarm
(Note1)
Model speed command 0
and equal to or less than
zero speed
MBR
(Electromagnetic
brake interlock)
ON
OFF
ON (no alarm)
OFF (alarm)
Base circuit
(Energy supply to
the servo motor)
ON
OFF
Servo amplifier
display
0 r/min
Servo motor speed
ALM (Malfunction)
Dynamic brake
operating time
(Note 2)
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].