H 1 ^ 8 0 . 0, Toshiba – Toshiba VF-SX User Manual
Page 74
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
TOSHIBA
9-9
9.2 Upper Limit Frequency and
Lower Limit Frequency L, L i.]
The "upper limit frequency"
[ U L ]
determines the maximum frequency the drive
will allow the motor to run. The "lower limit frequency" [ i. i. ] determines the
minimum frequency the drive will allow the motor to run. Both of these values
are adjustable.
The upper limit frequency can be set between
0
and the maximum frequency.
The lower limit frequency can be set between 0 and the upper limit frequency.
Output
Frequency
Hz
Output
Frequency
Hz
Figure 9.6 Upper Limit Frequencies
Figure 9.7 Lower Limit Frequencies
NOTE: The operation frequencies set from the touchpad can only be set within the
upper limit frequency and lower limit frequency range. An error indication
(for instance,
[ H 1 ^ 8 0 . 0
]) will occur when the operation frequency is
set outside the limits of the upper limit frequency.