A circuit you can use in PLC like Siemens LOGO and Zelio to make a Start - Stop 3phase motor circuit. This circuit is also called Direct On Line (DOL) Motor Starter. The start pushbutton is NO (0 state) the stop pushbutton NC (1 state) and overload button NC (1). Initially when you press the start button immediatly it will activate the motor (Led). When pressing the stop button or the overload switch, the circuit is reset to th initial state and the motor turns off.