37
9-3. 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
wvu
v
u
BL
RD
RDRD4
IPM
GY
YL
w
u
v
BL
RD
1
11
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 DD 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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