Mitsubishi Electric MELSERVO-J5 User Manual page 186

■When both the main circuit power supply and the control circuit power supply are turned off
When the base circuit is turned off, the servo motor is stopped with the dynamic brake and electromagnetic brake.
Servo motor speed
Base circuit
MBR
(Electromagnetic
brake interlock)
Alarm
[AL. 010 Undervoltage]
Main/control
Power supply
circuit
*1 The length of time varies depending on the operation status.
*2 ON: Electromagnetic brake is not activated
OFF: Electromagnetic brake is activated
■When the main circuit power supply is turned off and the control circuit power supply is on
In the torque mode and continuous operation to torque control mode, the forced stop deceleration function
cannot be used.
Forced stop deceleration starts when a voltage drop is detected, and after the base circuit is turned off the servo motor is
stopped with the dynamic brake and the electromagnetic brake.
Servo motor speed
Main circuit
power supply
Base circuit
(Energy supply to
the servo motor)
MBR
(Electromagnetic
brake interlock)
ALM
(Malfunction)
*1 ON: Electromagnetic brake is not activated
OFF: Electromagnetic brake is activated
*2 The length of time varies depending on the operation status.
3 BASIC FUNCTION
184
3.18 Electromagnetic brake interlock function
(10 ms)
0 r/min
*1
ON
OFF
ON
*2
OFF
No alarm
Alarm
ON
OFF
Time until a voltage
drop is detected.
(10 ms)
0 r/min
ON
OFF
ON
OFF
ON
*1
OFF
ON (No alarm)
OFF (Alarm)
Dynamic brake
Dynamic brake
+ electromagnetic brake
Electromagnetic brake
Operation delay time of
electromagnetic brake
Forced stop deceleration
Dynamic brake
Dynamic brake
+ electromagnetic brake
Electromagnetic brake
*2
Operation delay time of
electromagnetic brake