Specifications

 Chapter6FunctionalParameterDetailVFD‐G7SeriesFrequencyInverterOperationManual

110
F2.04
VF point 1 voltage V1 Default: 20.0%
Setting scope：0.1～F2.06
F2.05
VF point 2 frequency
F2
Default: 50.0%
Setting scope：F2.03～F2.07
F2.06
VF Point 2 Voltage V2 Default: 50.0%
Setting scope：F2.04～F2.08
F2.07
VF point 3 frequency
F3
Default: 70.0%
Setting scope：F2.05～100.0%
(motor rated
frequency)
F2.08
VF point 3 voltage V3 Default: 70.0%
Setting scope：F2.06～100.0%
(motor rated
voltage)
TheabovesixparametersF2.03～F2.08definemultipointV/Fcurve,asshowninfigure6‐9.
ThesetvalueofV/Fcurveisusuallysetaccordingtomotor’sloadcharacteristics.
Notes:V1＜V2＜V3，F1＜F2＜F3.Ifthelowfrequencyvoltageissettoohigh,itwouldcause
overheatof
themotorandevenburnedandthefrequencyinvertermaybebeovercurrent
andstallorovercurrentprotection.
Figure 6-9 Illustration of V/F curve setting