XtraDrive User Manual Chapter 5: Parameter Settings and Functions
5-60
îš„ Brake ON Timing
If the equipment moves slightly due to gravity when the brake is
applied, set the following parameter to adjust brake ON timing.
Parameter Signal Setting (10ms)
Description
Pn506
Brake Reference Servo
OFF Delay Time
Setting Range: 0 to 50
Default Setting: 0
Speed/Torque Control,
Position Control
This parameter is used to set the output time from the brake control
signal /BK until the servo OFF operation (servomotor output stop)
when a servomotor with a brake is used.
/S-ON input
(CN1-40)
/BK output
Servo ON/OFF
operation
(Servomotor
ON/OFF status
Servo ON
Release brake
Servo OFF
Servomotor OFF
Servo OFF
time delay
With the standard setting, the servo is turned OFF when the /BK signal
(brake operation) is active. The equipment may move slightly due to
gravity depending on equipment configuration and brake characteristics.
If this happens, use this parameter to delay servo OFF timing.
This setting sets the brake ON timing when the servomotor is stopped.
Use Pn507 and 508 for brake ON timing during operation.
Note: The servomotor will turn OFF immediately if an alarm occurs. The equipment may move due to gravity
in the time it takes for the brake to operate.
îš„ Holding Brake Setting
Set the following parameters to adjust brake ON timing so the holding
brake is applied when the servomotor stops.
Parameter Signal Setting Description
Pn507
Brake Reference
Output Speed Level
Setting Range: 0 to 10000rpm
Default Setting: 100rpm
Speed/Torque Control,
Position Control
Pn508
Timing for Brake
Reference Output
during Motor
Operation
Setting Range: 0 to 100 x
10ms
Default Setting: 50 x 10ms
Speed/Torque Control,
Position Control
Set the brake timing to be used when the servo is turned OFF by input
signal /S-ON (CN1-40) or when an alarm occurs during motor
operation.
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