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6) When the VFD display shows
Step 1 Time= xxxxx S
, press the numeric keys to set the test duration,
followed by pressing the key
to confirm. Please note that the duration range is 0.2S-25.5S. If
delay time is set as 25.5S, the power supply will be automatically in the pause mode and go on excuting
only when another trigger is input.
7) When the VFD display shows
Step 1 Volt= xxxxx V
, press the numeric keys to set the voltage, followed by
pressing the key
to confirm.
8) When the VFD display shows
Step 1 Curr= xxxxx A
, press the numeric keys to set the current, followed
by pressing the key
to confirm.
9) When the VFD display shows
Step 1 Max= xxxxx X
, press the numeric keys to set the maximum value for
the qualified test, followed by pressing the key
to confirm.
10) When the VFD display shows
Step 1 Min= xxxxx X
,
press the numeric keys to set the minimum value for
the qualified test, followed by pressing the key
to confirm.
11) Repeat from step 5 to step 10 to set all the other steps.
12) Repeat from step 2 to step 11 to edit other automatic test files according to your need.
13) Press the key▼ to select the item
Load Atest File
, followed by pressing the key
to confirm.
14) Then the intrument enter into the automatic test mode, showing
AUT1
at the right upper corner of the VFD
display and
OFF
at the right lower corner of the VFD display. That means to wait for a trigger.
15) There are three trigger modes for automatic test
Press the key
On/Off
to trigger.
Press the key
Shift+3
to trigger.
Become the high voltage level to the low voltage level by
Trig_in
at the rear panel and last more than
5mS.
16) When the power supply is having the automatic test, the word
Wait
will be showed at the right lower
corner of the VFD display. When in pause mode, the word
Stay
will be showed at the right lower corner of
the VFD display. When one test is finished, the test result
Pass
or
Fail
will be showed at the right lower
corner of the VFD display.
17) When one test is finished, users can press the up-down keys to make one single step worked manually. At
the moment,
step n
will be showed on the VFD display, indicating the step which is working; then
Han
is
showed, indicating that the instrument is in hand-operated single step test state, followed by the test results
being showed at the right lower corner of the VFD display.
4.7 Output On-Off Operation
When in front-panel operation, you can press the key
to control the output state. The key
does not affect the present setting values. When the TRI is enable, the key
is invalid. When TRI is
in OFF state, the TRI can be used to switch the OFF/ON state.