В даташите на драйвер ни слова про вектор.
 Closed-loop control, no longer lose any steps, up to its maximum torgue;
 higher torque and higher speed;
 Fast response;
 Reduced motor heating and more efficient;
 Zero-speed stability;
 Smooth motion and super-low motor noise;
 No Tuning and always stable;
 Lower cost.
https://www.circuitspecialists.com/c...2/CWDS860H.pdf