RSD6 soft starter controls motor forward running circuit

In the picture. KMi is the incoming line contactor, KM2 is the bypass contactor, KM3 is the forward contact, KM4 is the reverse contactor
, KAI is the intermediate relay; SBi is the forward start button. SB2 is the reverse start button, and SBa is the soft stop button.
SB4 is the control power reset button, SBs is the motor emergency stop button; HL] is the power indicator light, HLz is the bypass operation
indicator light, HL3 is the motor forward rotation indicator light, HL4 is the motor reverse rotation indicator light, and HLs is the fault indication lamp.