User Manual

45
Application Notes
SPEEDMASTERâ„¢ OPERATION MANUAL
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 23 shows the
connection of two independent speed adjust potentiometers that
can be mounted at two separate operating stations.
S3
S2
S1
S
PEED
1
S
PEED
2
2
0K
O
HM
CW
CW
2
0K
O
H
M
Figure 23. Independent Adjustable Speeds