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9.6.2 Abnormal Test
From
the DO-160 MENU scroll to the ABNORMAL DC entry using the up and down cursor keys. Press the
ENTER key to select the ABNORMAL screen. The screen will appear as shown in Figur
The Abnormal Tes
1. VOLT MIN
2. VOLT MAX
3. VOLT LOW
4. VOLT DROP
5. VOLT SURGE
The above tests can be selected by scrolling to the highlighted selection using the up and down key
and the ENTER key to start the selected test.
VOLT MIN
This test will change the output voltage from 28V or 14V to 20.5V or 10V. The test will last for 30
minutes. The
VOLT MAX
This test will change the output voltage from 28V or 14V to 32.2V or 16V. The test will last for 30
minutes. The
VOLT LOW
This test applies for category B equipment.
This test will change the output voltage to the voltage minimum for one minute. The voltage will decay
linearly to zero voltage in a ten minute period before returning to its nominal voltage.
VOLT DROP
This test will change the output to 12V from 28V or to 6V from 14V for seven seconds. The output
voltage will return to nominal voltage after seven seconds.
California Instruments
Figure 9-11: Abnormal State screens
t has the following tests:
key (backspace) will terminate the test at any time.
key (backspace) will terminate the test at any time.
2253i / 2253iX
e 9-11.
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