Chapter 5 Parameters
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VFD-S Series
Revision August 2006, SE08, SW V2.61
5-23
This parameter sets the Mid-Point Voltage of any V/f curve. With this setting, the V/f ratio
between Minimum Frequency and Mid-Point Frequency can be determined. This parameter
must be equal to or greater than Minimum Output Voltage (Pr.1-06) and equal to or less than
Maximum Output Voltage (Pr.1-02).
1-05
Minimum Output Frequency (Fmin)
Unit: 0.1
Settings
d1.0 to d60.0Hz
Factory Setting: d1.0
This parameter sets the Minimum Output Frequency of the AC drive. This parameter must be
equal to or less than Mid-Point Frequency (Pr.1-03).
1-06
Minimum Output Voltage (Vmin)
Unit: 0.1
Settings
115V/230V
series d2.0
to d255V
Factory Setting: d12.0
460V series
d4.0 to d510V
Factory Setting: d24.0
This parameter sets Minimum Output Voltage of the AC drive. This parameter must be equal
to or less than Mid-Point Voltage (Pr.1-04).
Voltage
Pr.1-02
Pr.1-04
Pr.1-06
0
Pr.1-03
Pr.1-05
Pr.1-00
Pr.1-01
Freq.
Standard V/F Curve
1-07
Output Frequency Upper Limit
Unit: 1
Settings
d1 to d110%
Factory Setting: d100
This parameter must be equal to or greater than the Output Frequency Lower Limit (Pr.1-08).
The Maximum Output Frequency (Pr.1-00) is regarded as 100%.
Output Frequency Upper Limit value = (Pr.1-00 * Pr.1-07)/100.
1-08
Output Frequency Lower Limit
Unit: 1
Settings
d0 to d100%
Factory Setting: d0
The Upper/Lower Limit is to prevent operation error and machine damage.
