Mitsubishi Electric MR-J4-TM Instruction Manual page 118

3. SIGNALS AND WIRING
(b) Off/on of the sudden stop command (from controller) or EM2 (Forced stop 2)
Servo motor speed
Base circuit
(Energy supply to
the servo motor)
Sudden stop command
(from controller) or EM2
(Forced stop 2)
MBR
(Electromagnetic
brake interlock)
ALM (Malfunction)
Note 1. ON: Electromagnetic brake is not activated.
2. The model speed command is a speed command generated in the servo amplifier for forced stop
(c) Alarm occurrence
The operation status during an alarm is the same as section 3.7.
(d) Both main and control circuit power supplies off
POINT
In the torque mode, the forced stop deceleration function is not available.
0 r/min
ON
OFF
Disabled (ON)
Enabled (OFF)
ON
(Note 1)
OFF
ON (no alarm)
OFF (alarm)
OFF: Electromagnetic brake is activated.
deceleration of the servo motor.
Servo motor speed
Base circuit
MBR
(Electromagnetic
(Note 2)
brake interlock)
Alarm
[AL.10 Undervoltage]
Main circuit
Control circuit power supply
Note 1. Variable according to the operation status.
2. ON: Electromagnetic brake is not activated.
OFF: Electromagnetic brake is activated.
Approx. 10 ms
0 r/min
(Note 1)
ON
OFF
ON
OFF
No alarm
Alarm
ON
OFF
3 - 39
(Note 2)
Model speed command 0
and equal to or less than
zero speed
Dynamic brake
Dynamic brake
+ Electromagnetic brake
Electromagnetic brake
Operation delay time of
the electromagnetic brake