Communication profiles 65State machineThe state machine for the ABB Drives communication profile isshown below.MAINS OFFPower ON (CW Bit0=0)(SW Bit6=1)(SW Bit0=0)from any state(CW=xxxx x1xx xxxx x110)(SW Bit1=1)n(f)=0 / I=0(SW Bit2=0)A B C D(CW Bit3=0)operationinhibitedOFF1 (CW Bit0=0)(SW Bit1=0)(SW Bit0=1)(CW Bit3=1andSW Bit12=1)C D(CW Bit5=0)(SW Bit2=1)(SW Bit5=0)from any state from any stateEmergency stopOFF3 (CW Bit2=0)n(f)=0 / I=0Emergency OFFOFF2 (CW Bit1=0)(SW Bit4=0)BB C D(CW Bit4=0)(CW=xxxx x1xx xxx1 1111)(CW=xxxx x1xx xx11 1111)D(CW Bit6=0)AC(CW=xxxx x1xx x111 1111)(SW Bit8=1)Dfrom any stateFault(SW Bit3=1)(CW Bit7=1)(CW=xxxx x1xx xxxx x111)(CW=xxxx x1xx xxxx 1111and SW Bit12=1)ABB DrivescommunicationprofileSWITCH-ONINHIBITEDNOT READY TOSWITCH ONREADY TOSWITCH ONREADY TOOPERATEOPERATIONINHIBITEDOFF1ACTIVEOPERATIONENABLEDRFG: OUTPUTENABLEDRFG: ACCELERATORENABLEDOPERATIONOFF2ACTIVEFAULTOFF3ACTIVEstateconditionrising edgethe bitofCW = Control wordSW = Status wordn = SpeedI = Input currentRFG = Ramp functiongeneratorf = Frequency
