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Quick Start

Current Output Checkout

The following steps check basic current functions with a short across the power

supply’s output.

1. Turn on the power supply.

2. Disable the output.

Press [On/Off] key to ensure that the output is disabled. The OFF

annunciator is turned on.

3. Connect a short across (+) and (-) output terminals with an insulated test

lead.

Use a wire size sufficient to handle the maximum current.

4. Enable the output.

Press [On/Off] key to ensure that the output is enabled. The OFF

annunciator is turned off.

5. Adjust the voltage value to 1.0 volt.

Adjust the voltage to 1.0 volt to ensure the power supply is in CC operation

mode. The CC annunciator will turn on.

6. Adjust the current value.

Set some different voltage values, then wait till the Meter mode to check if

the VFD displayed current value is the same as the set voltage value, and

to check if the VFD displayed voltage value is nearly zero.

7. Ensure that the current can be adjusted from zero to the full rated value.

8. Turn off the power supply and remove the short wire from the output

terminals.

ITech IT6821 User Manual

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