Group 4: Input Function Parameters - Delta VFD004L11A User Manual

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VFD-L Series

Group 4: Input Function Parameters

4 - 00 Potentiometer Bias Frequency
Settings
This parameter can be set during the operation.
4 - 01 Potentiometer Bias Polarity
Settings
This parameter can be set during the operation.
4 - 02 Potentiometer Frequency Gain
Settings
This parameter can be set during the operation.
4 - 03
Direction setting for negative bias
Settings
Pr.4-00 to Pr.4-03 are used when the source of frequency command is the analog
signal (0 to +10V DC or 4 to 20 mA DC). Refer to the following examples.
Example 1:
The following is the most common method. Set parameter 2-00 to d1 (0 to +10V signal),
d2 (4 to 20mA current signal), or d3 (keypad potentiometer).
d 0.0 to d 350Hz
d 0 Positive bias
d 1 Negative bias
d 1 to d 200%
d 0 Only receive positive bias
d 1 Negative bias with direction command. Positive bias means
forward running and negative bias means reverse running.
d 2 Negative bias without direction command. Direction is
controlled by keypad or external frequency command.
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Factory Setting: d0.0
Unit: 0.1Hz
Factory Setting: d 0
Factory Setting: d 100
Unit: 1%
Factory Setting: d 0