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Functions and Characteristics

setup page.

HIGH=120.0V

Note

In CR mode, the user can also set the minimum value of the voltage.

3.2.4 Constant Power Mode (CW)

In constant power mode, the electronic load will consume a constant power, as

shown in the figure below, if the input voltage rises, the input current will

decrease and the power P (= V * I) will remain at the setting value.

Diagram 3-4 I-V curve in CW mode

There are two ways to set the power value:

 In CW mode, rotate Rotary knob.

 In CW mode, input value through number keys directly, press [Enter] to

confirm.

Steps

1. Press [CW], and then press [Shift]+[CV](Setup) to enter into the

parameters setting page.

RANGE=150.00W

2. Set the maximum working resistance value, and press [Enter] to confirm.

RANGE =100.00W

3. Set the maximum working voltage value, and then press [Esc] to exit the

setup page.

HIGH=120.00V

Note

In CW mode, the user can also set the minimum value of the voltage.

3.3 Input On/Off Control

[On/Off] button on the front panel is used to manually control input on or off.

 [On/Off] button lighted indicates the load input is turned on, and the

real-time voltage and current information about the current loop is

displayed on the VFD screen.

ITech IT8511A+ User Manual

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