fundamentals of pi control vacon z 10824-hour support +358 (0)40 837 1150 • Email: vacon@vacon.com10Figure 22: PI Controller Functional Diagram“PI Error 1” (855)0.0%-100.00%xy“Max Frequency” (302)FreqReference-1“PI Error 2”(856)PI High Corr(857)PI Low Corr(858)“Max Frequency”(302)“Vin1 Status” (910)“Vin2 Status” (912)“Cin Status” (911)PI Configure (850)Signal InvertionRev Full ERev FullDir Full EDir FullRev F-FWD ERev F-FWDDir F-FWD EDir F-FWDNo PI11001100001PI Int Gain (853)PI Prop Gain (852)PI ControllerPI Configure (850)Feed Forward GainRev Full ERev FullDir Full EDir FullRev F-FWD ERev F-FWDDir F-FWD EDir F-FWDNo PI000011110010PI Configure (850)PI Function EnableRev Full ERev FullDir Full EDir FullRev F-FWD ERev F-FWDDir F-FWD EDir F-FWDNo PIDI1DI1DI1DI1001PI Feed Gain (854)Feedback SelectionCinVin2Vin1210012PI Feed Gain (854)Feedback ScalingVin1 Span (207)Vin1 Offset (206)Vin1 Config (205)Vin1 Input ScalingVin2 Span (213)Vin2 Offset (212)Vin2 Config (211)Vin2 Input ScalingCin Span (210)Cin Offset (209)Cin Config (208)Cin Input ScalingRampGeneratorSlipCompensationMotorProcessVin1TerminalVin2TerminalCinTerminalsFeedbackSensorPI Flow-Chart