Smb smart motor braking option – Rockwell Automation 150 MNL/SMC DIALOG+/APP-PROD GUIDE User Manual
Page 69
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3-32
SMC Dialog Plus Smart Motor Controller
Control Options (cont.)
SMB
Smart Motor Braking Option
The SMB Smart Motor Braking option provides motor braking for
applications which require the motor to stop quickly. It is a
microprocessor based braking system which applies braking current
to a standard squirrel cage induction motor. The strength of the
braking current is adjustable from 150 to 400% of full load current.
Figure 3.25 SMB Smart Motor Braking Option
Start
Motor
Speed
100
Run
Automatic Zero Speed
Shut-off
Brake
Smart Motor Braking
Coast-to-rest
Time (seconds)
!
ATTENTION: Braking may cause motor heating and
equipment vibration depending on braking current,
frequency of braking, and duration of braking cycle.
Select the lowest brake current setting that will brake
satisfactorily.
!
ATTENTION: SMB Smart Motor Braking is not
intended to be used as an emergency stop. Refer to the
applicable standards for emergency stop requirements.
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