Aerotech BA-SineDrive Series User Manual page 64

BA SineDrive User's Manual
HALL A
HALL B
HALL C
Figure 5-10.
Aerotech brushless rotary motors are shipped from the factory with the correct motor
phase to Hall effect device relationship established. This is essential for proper motor
commutation. The parameter that affects this relationship is PRM:11 and is set at 0,
Figure 5-11 and Figure 5-12 illustrates the proper Hall effect and motor phasing for both
CW and CCW motor rotation (viewed looking into the mounting flange of the motor).
During CW motor rotation each Hall effect signal is at a logic low state when its
corresponding motor phase is at a positive voltage. During CCW rotation each Hall effect
signal is at a logic high state when its corresponding motor phase is at a positive voltage.
Hall Effect A
Hall Effect B
Hall Effect C
Motor Phase A
Motor Phase B
Motor Phase C
CW Motor Rotation
Figure 5-11.
Version 1.4
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10 K (x3)
P3
10 K
.01uF
10K
.01uF
10K
.01uF
Hall Effect Input Circuit
Hall Effect A
Hall Effect B
Hall Effect C
Motor Phase A
Motor Phase B
Motor Phase C
CCW Motor Rotation
Hall Effect Motor Phasing
Aerotech, Inc.
Technical Details
S1
5-11