3-phase motor forward reverse wiring & plc programing

Описание к видео 3-phase motor forward reverse wiring & plc programing

The realization of forward and reverse rotation of a 3-phase asynchronous motor only needs to exchange the positions of any two phase wires. (Single-phase asynchronous motors need to be wired according to the nameplate instructions to achieve the purpose of forward and reverse rotation).
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In general, the forward and reverse rotation of the motor mainly requires the following electrical components:
One forward and one reverse contactor,
One button each for forward, reverse and stop,
Breaker,
Thermal relay,
Three-phase asynchronous motor

PLC&hardware control logic:
Press the forward button, the motor will rotate forward and can self-hold.
Press the reverse button, the motor will reverse after disconnecting the forward circuit and self-holding.
Press the stop button to stop the motor.

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