Leeson Chassis Mount PWM Control: M1740009.00 Manual do Utilizador Página 23

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17
S3
S2
S1
R1
R2
R4
T
O
TAL
S
ERIE
S
R
E
S
I
S
TAN
CE
1
0
K
O
HM
S
R3
Figure 11. Multiple Fixed Speeds
Replace the speed adjust potentiometer with series
resistors with a total series resistance of 10K ohms
(Figure 11). Add a single pole, multi-position switch with the
correct number of positions for the desired number of fixed
speeds.
Multiple fixed speeds
Application Notes
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