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Application Notes
Independent adjustable speeds
Replace the speed adjust potentiometer with a single pole, multi-position switch, and
two or more potentiometers in parallel, with a total parallel resistance of 10K ohms.
Figure 15 shows the connection of two independent speed adjust potentiometers that
can be mounted at two separate operating stations.
S3
S2
S1
SPEED 2
20K
Ω
CW
20K
Ω
CW
SPEED 1
Figure 15. Independent Adjustable Speeds
S3
S2
S1
SPEED 1
SPEED 2
CW
CW
20K
OHM
20K
OHM