2 base frequency [ul, 2 base frequency [ul] -5, Toshiba – Toshiba VF-SX User Manual
Page 70
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TOSHIBA
9-5
9.1.2 Base Frequency [uL]
Set the base frequency to 50 HZ when operating a 50 HZ rated motor. Set this
parameter to 60 HZ when operating a 60 HZ design motor. The base frequency
[UL] can be set between 25 HZ and 240 HZ. An example of setting the base
frequency for a frequency other than 50 HZ or 60 HZ is shown in Figure 9.2.
O u t p u t
V o lt a g e
O u t p u t
F r e q u e n c y
H z
H z H z
Figure 9.2 Example of Setting the Base Frequency
The procedure to change the base running frequency [uL] will be explained as
an example, in the next chart.