8-3. STATOR ASSEMBLY
Wiring
diagram
Circuit in the MAIN PWB / Wiring Diagram
MAIN PWB
MICOM
Ha
12V
NA1NA
WH
WH
GND
MOTOR
Hb
Ha
RD
RD
BL
BL
GY
YL
w
w v u
v
u
BL
RD
RDRD4
IPM
GY
YL
w
u
v
BL
RD
1
1 1
2
3
4
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
3
2
2
1
3
4
1
2
3
4
5
1
2
3
4
5
2
3
4
1
2
3
4
Hb
Function
Test points
(Windings)
Result
(Windings)
The Direct Drive motor can be driven from stopped to maximum speed in infinite
steps in either direction.
There are 36 poles on the stator; 12 permanent magnets spaced around the rotor.
There are no brushes to wear out. Unlike a more traditional brushless motor, the
rotor surrounds the stator rather than being attached to it.
Test Points Result
(1) to (2)
(2) to (3)
(3) to (1)
5-15 Ω
5-15 Ω
5-15 Ω
WINDINGS
HALL SENSOR
(1)
(2)
(3)
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