Rockwell-automation 150 MNL/SMC DIALOG+/APP-PROD GUIDE Manual do Utilizador descarregar pdf (Página 33)

2-14

SMC-2 Smart Motor Controller

Applications (cont.)

Figure 2.16 Towline Conveyor with Soft Start and Soft Stop Option

Problem: A towline conveyor at the end of a production line had

frequent damage to the gearbox due to the starting torque

from across-the-line starting of the motor. There were

frequent spills on both starting and stopping of the

conveyor system.

Solution: The SMC-2 controller with the Interface option was

installed. Starting and stopping times of 15 seconds were

selected. The reduced torque starting prevented shock to

the gearbox and kept the load from shifting on start-up.

The soft stop prevented the load shifts while stopping.

The SMC-2 controller met the application requirements

and was a cost effective solution.

Load Load

Pallet

Gearbox

Motor

480 Volts

15 HP

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Rockwell-automation 150 MNL/SMC DIALOG+/APP-PROD GUIDE Manual do Utilizador Página 33