Published:2011/7/10 22:26:00 Author:Lucas | Keyword: Three-phase motor, contactor interlock | From:SeekIC
The circuit which uses contactor interlock for switching is shown. The STF and STR respectively refer to positive and reverse button. SB and SB2 are respectively positive and reverse jog buttons. And SB1 and SB2 are respectively equipped with a composite button. The dashed line in the figure indicates that the two contacts are the same button. For example, when the button SB1 is pressed, the motor would jog to run with the broken of the normally closed contacts.
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