Mitsubishi Electric MELSERVO-J5 MR-J5 Series User Manual page 137

■Alarm occurrence
When an alarm occurs, the servo motor stops using the same method as with the dynamic brake.
Page 122 Stopping with dynamic brake
■When both the main circuit power supply and the control circuit power supply are turned off
The same timing chart shown in "When both the main circuit power supply and the control circuit power supply are turned off"
applies here when using the forced stop deceleration function.
Page 133 When both the main circuit power supply and the control circuit power supply are turned off
■When the main circuit power supply is turned off and the control circuit power supply is on
When a voltage drop is detected, the servo motor is stopped with the dynamic brake and electromagnetic brake.
Servo motor speed
0 r/min
ON
Base circuit
OFF
MBR
ON
*2
(Electromagnetic
OFF
brake interlock)
No alarm
Alarm
[AL. 010 Undervoltage]
Alarm
ON
Main circuit power supply
OFF
*1 The length of time varies depending on the operation status.
*2 ON: Electromagnetic brake is not activated
OFF: Electromagnetic brake is activated
■Ready-off command from controller [G] [WG]
The same timing chart shown in "Ready-off command from controller" when using the forced stop deceleration function,
applies here.
Page 134 Ready-off command from controller [G] [WG]
Dynamic brake
Dynamic brake
+ electromagnetic brake
(10 ms)
Electromagnetic brake
*1
Operation delay time of
electromagnetic brake
3 BASIC FUNCTION
3.16 Electromagnetic brake interlock function
3
135