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Example 1:
Set P00=01 to command frequency with the potentiometer on keypad or
P00=02 (4 to 20mA current signal) potentiometer/current sig nal of external
terminal.
Fig.6-14 External analog signal control 1
Example 2:
A Bias Adjustment (20% of 50Hz) determines the Output Frequency to
be 10 Hz with the potentiometer set at 0V as shown. Notice that the entire
V/F is transposed accordingly. An analog input voltage 0-10V (or current
4-20mA) would set frequency as 0-50Hz.Once the Maximum Output
Frequency is reached any further increase on the potentiometer will not
increase output frequency (If you want to use the range of 50Hz, please
refer to the example 3).
Fig.6-15 External analog signal control 2
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Chapter 6 Parameters
Example 3:
The whole scale of the potentiometer may be used as desired. In addition
to the signals 0 to 10V and 4 to 20mA, other popular voltage signals include
0 to 5V, 20 to 4mA or that under 10V.
Fig.6-16 External analog signal control 3
Example 4:
This example shows how to use Gain to set a potentiome ter range of 0 to 5
Volts for 0-50 Hz. As an option, you also could set P 03 =100Hz.
Fig.6-17 External analog signal control 4
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Chapter 6 Parameters
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