4.18 Frequency Limit
Operation frequency can be limited by setting maximum frequency, start frequency, upper limit
frequency and lower limit frequency.
4.18.1 Frequency Limit Using Maximum Frequency and Start
Frequency
DRV
19 Start frequency Start Freq 0.50
0.01–10.00
Hz
20 Maximum frequency Max Freq 60.00
40.00–400.00
Hz
Frequency Limit Using Maximum Frequency and Start Frequency - Setting Details
DRV-19 Start Freq
Set the lower limit value for speed unit parameters that are expressed in Hz or
rpm. If an input frequency is lower than the start frequency, the parameter value
DRV-20 Max Freq
Set upper and lower frequency limits. All frequency selections are restricted to
frequencies from within the upper and lower limits.
This restriction also applies when you in input a frequency reference using the
4.18.2 Frequency Limit Using Upper and Lower Limit Frequency
Values
ADV
25
Frequency lower limit
value
Freq Limit Lo 0.50
0.0–
maximum
Hz
26
Frequency upper limit
value
Freq Limit Hi
Maximum
frequency
minimum–
maximum
Hz