9. Basic functions
9-15
SV-iC5
9.5 V/F control
Linear V/F operation
Group LED Display Parameter Name
Set
Value
Min/Max
Range
Factory
Defaults
Unit
Function
group 1
F22 [Base frequency] - 30/400 60.0 Hz
F23 [Start frequency] - 0.1/10.0 0.5 Hz
F30 [V/F pattern] 0 0/2 0
Set F30 to 0 {Linear}.
This pattern maintains a linear Volts/frequency ratio from F23 - [Start frequency] to F22- [Base frequency]. This
is appropriate for constant torque applications.
F22 – [Base frequency] : Inverter outputs its rated voltage at this level. Enter the motor nameplate
frequency.
F23 – [Start frequency] : Inverter starts to output its voltage at this level.
Square V/F operation
Group LED Display Parameter Name
Set
Value
Min/Max
Range
Factory
Defaults
Unit
Function
group 1
F30 [V/F pattern] 1 0/2 0
Set F30 to 1{Square}.
This pattern maintains squared volts/hertz ratio. Appropriate applications are fans, pumps, etc.
Run
command
Freq.
Start freq.
Base freq.
Voltage
Inverter rated
voltage
Freq.
Base freq.
100%
Voltage
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