TUNING THE CONTROL LOOPS 6-21
SB1391 Hardware and Setup Guide - Document revision no. 1.14
FIGURE 6-14 Position loop error response
6.7. Slip Constant Optimization
(For induction motors only.)
The purpose of setting SK (Slip Constant) is to improve the orientation between the magnetic
field in the air gap and the current induced into the rotor.
While running in repetitive point to point, monitor the error. Increase/decrease the value of SK
(without changing its polarity!) until the error value is minimized (FIGURE 6-15 ). The test
should be executed while KZ is set to 0.
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