Published:2011/7/9 23:50:00 Author:Lucas | Keyword: Three-phase motor, limit switch | From:SeekIC
As shown in the figure, limit switches SA1 and SA2 are used to achieve the control for automatically stopping the forward and reverse running. When the mechanical impact block is driven by the motor to hit the SA1 or SA2, it means that it is equivalent to have pressed the stop button. Then the contactor KMF or KMR lose power to stop the motor.
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