Rockwell Automation DC3R Regenerative DC Drive User Guide 1/4 - 2 HP, 115/230 VAC - Manual (Page 44)

36 Application Notes
Independent adjustable speeds
Connect two speed adjust potentiometers with a single-pole two-position
switch to select between two independent speeds shown in the forward
direction ( Figure 20). The speed adjust potentiometers can be mounted at
two separate operating stations.
Figure 20. Independent Adjustable Speeds
(Forward Direction)