Protection Function D1 Servo Drive User Manual
8-6 HIWIN MIKROSYSTEM CORP.
8.3 Brake protection
D1 servo drive supports brake signal output to enable electromagnetic brake to protect motor and
mechanism. This is often used for motor of Z axis. The timing of enabling brake is essential in such
application. When motor moves in Z direction at high speed and the servo drive receives disabling
command and commands the brake to engage directly, a huge vibration may occur and cause damage to
the mechanism. If the motor is disabled too early, the motor and mechanism may possibly slip. Therefore,
D1 servo drive provides brake parameters to avoid the above situations.
Click on to go to Protection center. Click on Brake tab to open the setting page for the timing diagram
of brake engagement. Click on to set the output pin of brake signal. The default setting is O4.
For setting method of digital output, please refer to section 5.4.2.
When the servo drive receives the disabling command from hardware or software, it will start the following
procedures.
Step 1: When the servo drive receives disabling command, the brake engages after the delay time set
in delMaxEnToBrk. If the velocity of the motor is less than the value set in vel_stop, the brake
also engages.
Step 2: Then after the time set in delBrkToDis, the motor is disabled.
Figure8.3.1
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