256 Fieldbus control through a fieldbus adapter The state diagramA B C DC DBB C DDACDSWITCH-ONINHIBITEDNOT READY TOSWITCH ONREADY TOSWITCH ONREADY TOOPERATEOPERATIONINHIBITEDOFF1ACTIVEOPERATIONDRFG: OUTPUTDRFG: ACCELERATORDOPERATIONOFF2ACTIVEFAULTOFF3ACTIVEMAINS OFF SW b6=1SW b0=0CW b0=0CW=xxxx x1xx xxxx x110SW b0=1SW b1=1CW=xxxx x1xx xxxx 1111CW=xxxx x1xx xxxx x111CW = Control wordSW = Status wordbx = bit xn = SpeedI = Input CurrentRFG = Ramp FunctionGeneratorf = FrequencySW b2=0from any stateFaultfrom any statefrom any stateSW b1=0n(f) = 0 / I = 0SW b5=0Emergency stopOFF3 (CW b2=0)SW b2=1CW=xxxx x1xx xxx1 1111CW=xxxx x1xx xx11 1111CW b4=0CW b5=0CW b6=0OFF1 (CW b0=0)from any stateCW b3=0n(f) = 0 / I = 0STATEconditionrising edge ofbitoperationinhibitedPower ONSW b3=1CW b7=1Emergency stopOFF2 (CW b1=0)SW b4=0SW b8=1CW=xxxx x1xx x111 1111
