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9. Basic functions
9-16 SV-iC5
User V/F pattern
Group
LED
display
Parametername
Set
value
Min/Max
range
Factory
defaults
Unit
F30 [V/F pattern] 2
0/2 0
F31 [User V/F frequency 1] - 0/400 15.0 Hz
~ ~
Function
group 1
F38 [User V/F voltage 4] - 0/100 100 %
Select F30 to 2 {User V/F}.
User can adjust the Volt/Frequency ratio according to V/F pattern of specialized motors and load
characteristics.
CAUTION
In case of using a standard induction motor, if this value is set much higher than linear V/F pattern,
it could result in torque shortage or motor overheating due to over-energizing.
When User V/F pattern is active, F28 - [Torque Boost in forward direction] and F29 - [Torque Boost
in reverse direction] are deactivated.
Output voltage adjustment
Group LED Display Parameter Name
Set
Value
Min/Max
Range
Factory
Defaults
Unit
Function
group 1
F39
[Output voltage
adjustment]
-
40/110 100 %
This function is used to adjust the output voltage of the inverter. This is useful when you use a motor that has
a rated voltage lower than the input voltage.
Freq.
Voltage
Start
freq.
F31 F33 F35 F37
Base
freq.
F32
F34
F36
F38
100%
Linear
V/F
Freq.
Voltage
Base freq.
100%
70%
100% setting
70% setting