Rockwell Automation 150 MNL/SMC DIALOG+/APP-PROD GUIDE - Manual (Page 56)

SMC Dialog Plus Smart Motor Controller 3-19
Control Options The SMC Dialog Plus controller offers a variety of unique control
options that provide enhanced motor starting and stopping
capabilities. Please note that the options are mutually exclusive and
must be specified at the time of order entry.
• Soft Stop
• Pump Control
• Preset Slow Speed
• SMB

Smart Motor Braking
• Accu-Stop

/Slow Speed with Braking
Soft Stop Option
The Soft Stop option can be used in applications requiring an
extended coast-to-rest. The voltage ramp down time is use
adjustable from 0 to 60 seconds. The Soft Stop time is adjusted
independently from the start time. The load will stop when the
voltage drops to a point where the load torque is greater than th
motor torque.
Figure 3.16 Soft Stop Option
Start Run Soft Stop
Coast-to-rest
Soft
Stop
Kickstart
Initial
Torque
100%
Percent
Voltage
Time (seconds)
!
ATTENTION: Soft Stop is not intended to be used as
an emergency stop. Refer to the applicable standards for
emergency stop requirements