Rockwell Automation DC3E Non-Regenerative DC Drive User Guide 1/4 - 2 HP, 115/230 VAC - Manual (Page 50)

42 Operation
Figure 10. Run/Decelerate to Minimum Speed Switch
Minimum speed
The circuit shown in Figure 10 may be used to decelerate a
motor to a minimum speed. Closing the switch between S1
and S2 decelerates the motor from set speed to a minimum
speed determined by the MIN SPD trimpot setting. If the
MIN SPD trimpot is set full CCW, the motor decelerates to
zero speed when the switch between S1 and S2 is closed.
The DECEL trimpot setting determines the rate at which
the drive decelerates. By opening the switch the motor
accelerates to set speed at a rate determined by the ACCEL
trimpot setting.
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