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F-11
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6.4.2 Setting frequency command characteristics
: Analog/logic input selection (VI terminal)
: Setting of VI input point 1
: Frequency of VI input point 1
: Setting of VI input point 2
: Frequency of VI input point 2
: Analog input filter
Function
Output frequency is adjusted in relation to frequency command according to external analog signals.
Analog signal is set to 0: 0 to 10Vdc, 1: 4 to 20mAdc, 3: 0 to 5Vdc.
analog input filter is effective for eliminating noise from frequency setting circuit. Increase if
operation cannot be done because noise effects stability.
, To fine adjust the frequency command characteristics for VI input, use the parameters f470 and f471.
(Refer to section 6.4.4)
[Parameter setting]
Title Function Adjustment range Default setting
Analog/logic input
selection
(VI terminal)
0: Voltage signal input (0 - 10V)
1: Current signal input (4 - 20mA)
2: Logic input
3: Voltage signal input (0 - 5V)
0
Setting of VI input
point 1
0 - 100(%) 0
Frequency of VI input
point 1
0.0 - 400.0 (Hz) Note 2 0.0
Setting of VI input
point 2
0 - 100(%) 100
Frequency of VI input
point 2
0.0 - 400.0 (Hz) Note 2
0.1 to 0.4kW model : 60.0
0.75 to 2.2kW model : 90.0
Analog input filter 4 - 1000 (ms) 64
Note 1: Do not set point 1 and 2 ( and ) to the same value. If they are set to the same value,
is displayed.
Note 2: The permission maximum rotary speed of our IPM gear motor is to 2500 rpm.
Set the frequency 2500 rpm or less.
(Inverter maximum frequency: 0.1k to 0.4kW model: 83.4Hz or less, 0.75 to 2.2kW model: 125Hz or less)
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