When You Do Not Use The Forced Stop Deceleration Function - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

When the forced stop deceleration function is not enabled
Servo motor speed
Base circuit
(Energy supply to
the servo motor)
Servo amplifier
display
MBR
(Electromagnetic
brake interlock)
ALM (Malfunction)
When network communication is shut-off
The dynamic brake may operate depending on the communication shut-off status.
Servo motor speed
Base circuit
(Energy supply to
the servo motor)
Servo amplifier
display
MBR
(Electromagnetic
brake interlock)
ALM (Malfunction)
*1 The model speed command is a speed command generated in the servo amplifier for forced stop deceleration of the servo motor.

When you do not use the forced stop deceleration function

To disable the function, set "0 _ _ _" in [Pr. PA04].
The timing chart that shows the servo motor condition when an alarm or network communication shut-off occurs is the same
as the following section.
Page 114 When the forced stop deceleration function is not enabled
3 SIGNALS AND WIRING
114
3.7 Alarm occurrence timing chart
Alarm occurrence
0 r/min
ON
OFF
No alarm
ON
OFF
ON (no alarm)
OFF (alarm)
Network communication shut-off occurrence
0 r/min
ON
OFF
No alarm (d1)
ON
OFF
ON (no alarm)
OFF (alarm)
Braking by the dynamic brake
Dynamic brake
+ Braking by the electromagnetic brake
Alarm No.
Operation delay time of the electromagnetic brake
Model speed command 0
and equal to or less than
zero speed
8D
*1