VA Motion Controller Programming Manual
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(4) inhibition zero drift
In the closed-loop control process, the existence of zero drift will have a certain influence on
the control effect, and it is best to suppress it. With the command module on the motion controller
or adjusting the zero drift value on the servo to suppress the zero drift phenomenon, it can be
realized (refer to the analog zero drift adjustment), so that the motor speed approaches zero. Since
the zero drift itself also has a certain randomness, it is not necessary to require the motor speed to
be absolutely zero.