168
Epsilon Eb and EN Drives Reference Manual
Figure 124: CCW Electrical Angle Plot
Where:
EUA = Motor Encoder “U” Angle
If EUA is >360° subtract 360°.
Next, use the oscilloscope to examine the phase relationship between Z and V
TS
. Use Figure
124 to determine the electrical angle at the rising edge Z. This is the Encoder Marker
Electrical Angle.
÷
ø
ö
ç
è
æ
+°=
t1
180
tu 90 EUA
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