186
3 BASIC FUNCTION
3.18 Electromagnetic brake interlock function
■Alarm occurrence
When an alarm occurs, the servo motor stops using the same method as with the dynamic brake.
Page 161 Stopping with dynamic brake
■When both the main circuit power supply and the control circuit power supply are turned off
Page 184 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.
*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]
Page 185 Ready-off command from controller [G]
ON
OFF
ON
OFF
ON
OFF
0 r/min
(10 ms)
*1
*2
Dynamic brake
Dynamic brake
+ electromagnetic brake
Servo motor speed
Electromagnetic brake
Base circuit
Operation delay time of
electromagnetic brake
No alarm
Alarm
[AL. 010 Undervoltage]
Alarm
Main circuit power supply
MBR
(Electromagnetic
brake interlock)
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