Panasonic VF0 Series Instruction Manual page 59

BIAS/GAIN FUNCTION SELECT, BIAS FREQUENCY,
GAIN FREQUENCY (Parameter P55, P56 and P57)
The relation with the output frequency and frequency setting signal (panel potentiometer,
external potentiometer, 0 to 5V, 0 to 10V, 4 to 20mA), can be changed randomly. Use this
function according to the application.
[Parameter P55: Bias/gain function select]
Data setting range
[Parameter P56: Bias frequency setting]
Data setting range
[Parameter P57: Gain frequency setting]
Data setting range
∗
Note 1) A frequency exceeding the maximum output frequency or upper frequency clamp
Note 2) Even if a minus frequency setting signal is input, the inverter will not run in reverse.
[When bias frequency setting is positive]
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0 Bias/gain function disabled
1 Bias/gain function enabled
(Hz) –99 to 250
(Hz) 000 and 0.5 to 250
(When "000" is set, 0V stop will function.)
cannot be output.
The frequency will not drop below the lower frequency clamp.
Max. output frequency
(Parameter P03, P15)
Frequency setting
signal
Bias frequency
Bias frequency
(Parameter P56)
(Parameter P56)
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Function details
[When bias frequency setting is negative]
Max. output frequency
Gain frequency
(Parameter P03, P15)
(Parameter P57)
100%
Gain frequency
(Parameter P57)
100%
Frequency setting
signal
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