Rockwell-automation 150 MNL/SMC DIALOG+/APP-PROD GUIDE Uživatelský manuál Strana 30

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SMC-2 Smart Motor Controller
2-11
Figure 2.13 Conveyor with Soft Start
Problem: A conveyor is used to transport logs. The drive chain was
breaking due to uncontrolled start-up. This caused
interruptions in the production schedule and lost
productivity. Panel space was very limited.
Solution: Due to its compact design, the SMC-2 controller was
easily installed in the space vacated by the previous
starter. A 10-second soft start was selected. This
reduced the starting torque and the shock to the
mechanical system.
LOG
Chain
Motor
LOG
480 Vol
7.5 HP
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