Rockwell-automation 150 USE MN/SMC DIALOG + CONTROLLER Manuel d'utilisateur Page 24

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1-14
Product Overview
Figure 1.14 Preset Slow Speed Option
Control Options (cont.)
SMB
Smart Motor Braking Option
This option can be used in applications that require reduced stopping
times. The SMC Dialog Plus controller incorporates a
microprocessor-based system that applies braking current to a
standard squirrel cage induction motor without any additional
equipment. This option offers a user-adjustable braking current
setting from 0% to 400% of the motors full load current rating.
Further, it provides automatic shut-off at zero speed detection.
Figure 1.15 SMB Smart Motor Braking Option
Forward
15% – High
7% – Low
10% – Low
20% – High
Reverse
Run Start Time (seconds)
!
ATTENTION: Slow speed running is not intended for
continuous operation due to reduced motor cooling.
Start
Motor
Speed
100%
Run
Automatic Zero Speed
Shut-off
Brake
Smart Motor Braking
Coast-to-rest
Time (seconds)
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