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Function and Features
Copyright © Itech Electronic Co., Ltd. 31
3.3 Frequency Setup
You can set frequency within the range 45Hz to 500Hz. When you press
, the button will be lit. This indicates that you can set frequency. There
are three ways to set frequency through front panel.
⚫ The first way: press , adjust cursor location through
button, pressing and will enable you to increase or
decrease the setting frequency value.
⚫ The second way: press , adjust cursor location through
button, adjust rotary knob to change the setting
frequency value.
⚫ The third way: press button and numeric key( to ) to
set frequency value
3.4 Phase Angle Setup
You can set the starting and stop phase angle within range of 0~360° by
pressing (Shift)+ (Phase),VFD will display as below:
Press numeric keys to set the starting phase angle and press to
confirm. Then the VFD will indicate next operation to set stop phase.
Press numeric keys to set the stop phase angle and press to confirm.
3.5 Output On/Off Operation
button is used to control the output state of AC source. When
button is lit, it indicates the output in on state. When output button is
dark which means the output is turned off.
Note:
make sure you have connected AC source and test DUT very well, then press
button to minimize shock hazard.
3.6 Switch the VFD Display Items
Press button to change the VFD display of bottom line.
Default VFD display: effective voltage, effective current, frequency
Active power, power factor, output time
0
9
Enter
Enter
On/Off
On/Off
On/Off
OFF
0.0V 0.0mA 50.0
Start Phase= 0.0° 0.6S
OFF
0.0V 0.0mA 50.0
Stop Phase= 0.0° 0.6S
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