Delta C2000 Series User Manual page 428

Injection Magnitude
Settings 0.0~200.0V
This parameter is the High Frequency Injection Command's amplitude when the motor drive is
under IPM HFI sensor-less control mode.
By increase the setting value of this parameter, the accuracy of angles detected will also be
increased. However, if the setting value is too big, it will cause a louder electromagnetic noise.
Chapter 12 Description of Parameter Settings
12.1-10-12
Factory Setting:15/30V