YASKAWA V7 Technical Manual

Also see for SI-T/ V7: Instructions

Contents

5-55Continuedn161: Power Supply Detection Hold WidthWhen the power fluctuation is less then this value, the output voltage is held for three seconds andthen the search operation mode is activated.n162: Power Supply Detection Filter Time ConstantDecreasing this value increases response during a load fluctuation. However, at low frequency,unstable operation will occur when this value is set too low.n077: Multi-Function Analog Input SelectionThe 2CN input terminal on the digital operator can be used as an auxiliary analog input(0 –10V or 4 – 20 mA). The Analog Input Connector/Cable Assembly option (DS082) is required forinterface with 2CN on the digital operator.Factory Setting: 0Range: 0 to 45.32 MULTI-FUNCTION ANALOG INPUT SELECTIONFactory Setting: 5 (x4ms)Range: 0 to 255 (x4ms)Factory Setting: 10%Range: 0 to 100%Setting Description0 Multi- Function Analog Input is disabled1 Auxiliary Frequency Reference (FREF2)2 Frequency Reference Gain (FGAIN)3 Frequency Reference Bias (FBIAS)4 Output Voltage Bias (VBIAS)5.31 ENERGY SAVING CONTROL1) Auxilary Frequency Reference (n077=1)When multi-function analog input(n004 = 7 or 8) is selected, 2CN on the digitaloperator becomes the speed reference input.If n004 is set to any other data value, the 2CNauxiliary analog input is determined by theselection of Command A.2) Frequency Reference Gain (n077=2)Frequency reference is multiplied by FGAIN,after frequency reference gain (n060 (terminalFR) or n074 (terminal RP)) and frequency refer-ence bias (n061 (terminal FR) or n074 (terminalRP)) are used to calculate a master speed ref-erence input at terminals FR or RP