LEESON NEMA 4X SCR Control: 174107.00 - Manual (Page 34)

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SPEED 1
SPEED 2
20K
OHM
CW CW
20K
OHM
S0502
S3 S2 S1
SO502 3-PIN HEADER
Use customer supplied
Molex connector #09-50-3031 to mate
with 3-pin header (SO502) on control board.
Figure 12. Independent Adjustable Speeds
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 12 shows the
connection of two independent speed adjust potentiometers that
can be mounted at two separate operating stations.
Application Notes