PARAMETERS
64
Pr. 903 "frequency setting voltage gain"
Pr. 905 "frequency setting current gain"
Related parameters
z
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.
z
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
Pr.1
Pr.18
Pr.2
5,10V
0
Frequency setting
Output frequency
20mA, etc.
<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.)
·
Use Pr. 2 to set the lower limit of the output frequency.
Note: When the frequency setting analog signal is used to run the motor beyond 60Hz, change the Pr. 903
and Pr. 905 values. If Pr. 1 or Pr. 18 is only changed, the motor cannot run beyond 60Hz.
CAUTION
When the Pr. 2 setting is higher than the Pr. 13 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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