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Limiting the maximum and minimum
output frequency (Pr. 1, Pr. 2)
5.3 Limiting the maximum and minimum output frequency (Pr. 1, Pr. 2)
* Performing IPM parameter initialization changes the settings. (Refer to page 43)
Parameter
Number
Name Initial Value
Setting
Range
Description
1 Maximum frequency
55K or lower
120Hz*
0 to 120Hz
Set the upper limit of the output
frequency.
75K or higher
60Hz*
2 Minimum frequency
0Hz 0 to 120Hz
Set the lower limit of the output frequency.
Changing
example
Limit the frequency set by the potentiometer, etc. to
60Hz maximum.
(Set "60"Hz in Pr. 1 Maximum frequency.)
REMARKS
· The output frequency is clamped by the Pr. 2 setting even if the set frequency is lower than the Pr. 2 setting (The frequency will
not decrease to the Pr. 2 setting.)
Note that Pr. 15 Jog frequency has higher priority than the minimum frequency.
· When the Pr. 1 setting is changed, frequency higher than the Pr. 1 setting cannot be set by .
· When performing a high speed operation at 120Hz or more, setting of Pr. 18 High speed maximum frequency is necessary. Even if
a value higher than the maximum frequency (refer to page 45) is set in Pr.18 under IPM motor control, the high speed maximum
frequency is limited to the maximum motor frequency. (Refer to Chapter 4 of the Instruction Manual (Applied).)
CAUTION
If the Pr. 2 setting is higher than the Pr. 13 Starting frequency value, note that the motor will run at the set
frequency according to the acceleration time setting by merely switching the start signal ON, without entry of
the command frequency.
Output frequency
(Hz)
Pr.1
Pr.18
Pr.2
Frequency setting
Clamped at the
maximum frequency
Clamped at the
minimum frequency
5, 10V
(20mA)
0
(4mA)
1.Screen at power-ON
The monitor display appears.
Display
Operation
3.Press to choose the parameter
setting mode.
4. Pr. 1) appears.
Flicker ··· Parameter setting complete!!
7.Press to set.
5.Press to read the present set value.
" "(initial value) appears.
6.
Turn to change it to the set
value " ".
PU indicator is lit.
2.Operation mode setting
Press to choose the PU operation
mode.
· Press to show the setting again.
· Press twice to show the next parameter.
· By turning , you can read another parameter.
The parameter
number read
previously appears.