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Basic Functions
3
INVERTER FUNCTIONS
3.3.2 Maximum and minimum frequencies (Pr. 1, Pr. 2)
<Setting>
•Use Pr. 1 to set the upper limit of the output frequency. If the frequency of the
frequency command entered is higher than the setting, the output frequency is
clamped at the maximum frequency.
•Use Pr. 2 to set the lower limit of the output frequency.
You can clamp the upper and
lower limits of the output
frequency.
Parame
ter
Name
Factory
Setting
Setting
Range
1 Maximum frequency 60Hz 0 to 120Hz
2 Minimum frequency 0Hz 0 to 120Hz
REMARKS
Change the Pr. 1 value when performing operation over 60Hz.
CAUTION
When the Pr. 2 setting is higher than the Pr. 13 "starting frequency" value, note
that the motor will run at the set frequency by merely switching the start signal
on, without entering the command frequency.
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Related parameters
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•
Starting frequency setting ⇒ Pr. 13 "starting frequency" (refer to page 62)
Pr.1
Pr.2
0
Output frequency
(Hz)
Set frequency
Setting using sequence ladder
Setting using CC-Link