Figure 7. Output waveform specification of 2 pole pairs (= 4 poles) for
counterclockwise rotation, viewed from the top.
Note: In the above waveform, quadrature signals A,B are not drawn
to scale with respect to index pulse and commutation signals.
Output Waveform Specifications
S1 S2 S3 S4
S1 S2 S3 S4 S5 S6
PC
P
o
ø
360e-DEG
0 ± 1 MECHANICAL DEGREE∆I
B
A
I
U
V
W
180 MECH-DEG
ONE ABSOLUTE MECHANICAL REVOLUTION (360 MECH-DEG)
INDEX AND COMMUTATION SIGNALS
QUADRATURE SIGNALS A AND B
30 MECH-DEG
Pole vs. State Width Table
Number of States/ State Width
Pole Mechanical Revolution (Mechanical Degree)
412 30
618 20
824 15
14