Toshiba VFNC3-2001P Instruction Manual page 116

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6.5.2
 : Analog/logic input selection (VI terminal)
 : VI Input point 1 setting
 : VI Input point 1 frequency
 : VI Input point 2 setting
 : VI Input point 2 frequency
 : Analog input filter
• Function
To fine adjust the frequency command characteristics for VI input, use the parameters f470 and f471 .
6
(See section 6.5.4.)
■ Parameter settings

 VI point 1 setting
 VI point 1 frequency
 VI point 2 setting
 VI point 2 frequency
 Analog input filter
* Depends upon the setup menu settings.
Note 1: Do not set point 1 and 2 (  and  ) to the same value. If they are set to the same value,
Setting frequency command characteristics
Output frequency is adjusted in relation to frequency command according to external analog signals.
Analog signal is  set to 0: 0 to 10 Vdc, 1: 4 to 20 mAdc, 3: 0 to 5 Vdc.
 analog input filter is effective for eliminating noise from frequency setting circuit. Increase if
operation cannot be done because noise effects stability.
Title Function
Analog/logic input selection
(VI terminal)
 is displayed.
Adjustment range
0: Voltage signal input (0 - 10 V)
1: Current signal input (4 - 20 mA)
2: Logic input
3: Voltage signal input (0 - 5 V)
0 ~ 100(%)
0.0 - 400.0 (Hz)
0 ~ 100(%)
0.0 - 400.0 (Hz)
4 - 1000 (ms)
F-12
E6581595
Standard defaults
0
0
0.0
100
*
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