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PARAMETERS
63
Pr. 13 "starting frequency"
Pr. 79 "operation mode selection"
Related parameters
4.2.2 Output frequency range (Pr. 1, Pr. 2, Pr. 18)
Pr. 1 "maximum frequency"
Pr. 2 "minimum frequency"
Pr. 18 "high-speed maximum frequency"
Used to clamp the upper and lower limits of the
output frequency. Used for high-speed operation at
or over 120Hz.
"
Can be used to set the upper and lower limits of motor speed.
Parameter
Number
Factory
Setting
Setting
Range
1 120Hz 0 to 120Hz
2 0Hz 0 to 120Hz
18 120Hz
120 to
400Hz
Output frequency (Hz)
Pr.1
Pr.18
Pr.2
Frequency setting
5,10V
(20mA)
0
(4mA)
"
Output frequency range (Pr. 1, Pr. 2, Pr. 18
<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.
!
To perform operation over 120Hz, set the upper limit of the output frequency in
Pr. 18.
(When the Pr. 18 value is set, Pr. 1 automatically changes to the frequency in
Pr. 18. Also, when the Pr. 1 value is set, Pr. 18 automatically changes to the
frequency in Pr. 1.)
!
Use Pr. 2 to set the lower limit of the output frequency.
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.