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California Instruments 121
User Manual Compact i/iX Series
VOLT MIN
This test will set the voltage and frequency to levels defined by Table 9-12 for 5 minutes. The test will be
d for Group1 only as indicated in Table 9-12. All Groups will repeat the test using Table 9-12 for
the voltage setting and Table fr e ← key (backspace) will terminate the
test at any time.
VOLT UNBALANCE
This test applies only to RTCA2 standard.
repeate
9-11 for the equency setting. Th
Standard/Group A(CF) A(NF) A(WF)
Voltage offset 6 6 8
Frequency 400 360/650 360/800
Table 9-13: Ab age Unb
This test will change the output v ge for pha B to 134V ase C to a voltage lower by
a value specified by an offset. Refer to Table 9- e offset v the Frequency. The test
will repeat with the same frequency and phase A and B volt is set to 97V and phase C set to a higher
voltage specified by the offset. The test will last 5 minutes. The test will be repeated for a second
F) category is applied with phase A and voltage set at
122V and phase C at 116V. The frequency is set at 430V. The test is repeated with the same
frequency but phase A and B 100V
370Hz.The test can be terminate t any time. T key (backspace) will terminate the test at any
time.
VOLT UNDER
This test will drop the output voltage from 115 volts to 60 volts for 7 seconds.
switched back to the low range.
Note: To avoid switching to the high voltage range which provides only half the current of the low
voltage range, the -EHV option range pair must be installed (200/400V).
The output voltage will surge to 180 volts for 100 ms. followed by drop to 148 volts for 1 sec before it
returns to 115 volts. The ← key (backspace) will terminate the test at any time.
normal Volt alance
olta se A and and ph
13 for th alue and
Frequency if applicable. Additional test for A(C
are set at and phase C set at 106V. Both tests are repeated for
d a he ←
VOLT SURGE
This test requires 180 volt output voltage. If the power source is set at the low voltage range, the high
voltage range will be selected before the test starts. At the end of the test the AC source will be
California Instruments 122
User Manual Compact i/iX Series
FREQUENCY TRANSIENTS (A(CF) only)
Test 1
Seq. No. Volt/Frequency Time
1 115/400 5 minutes
2 115/350 5 sec.
3 115/320 0.2 sec.
4 0/320 0.2 sec.
5 115V/400 10 sec.
Test 2
Seq. No. Volt/Frequency Time
1 115/400 5 minutes
2 115/480 0.2 sec.
3 115/440 5 sec.
4 0/440 0.2 sec.
5 115V/400 10 sec.
FREQUENCY TRANSIENTS (Group 1 only)
Seq. No. Frequency Time
1 400 5 minutes
2 480 5 sec.
3 400 10 sec.
4 320 5 sec.
5 400 10 sec.
Table 9-14: Abnormal Frequency Transient
oltage at 115V and will remain at this voltage through out the test except for the
est will cycle the frequency three times as shown in Table 9-14. Each repeat will
and test2 for the A(CF) category are done in succession as a single test.
This test will set the v
A(CF) category. The t
start from sequence 2. Test1
California Instruments 123
User Manual Compact i/iX Series
9.6 DC Test Mode
DC test mode requires DC mode and a steady state voltage setting of 24V DC or 14V DC.
Note: Prior to test selection the Standard selection and Category selection are required. Use the
shuttle to select Standard RTCA or EUROCAE. Also, select equipment category A, B or Z.
9.6.1 Normal State Test
Scroll to the NORMAL STATE entry using the up and down cursor keys. Press the ENTER key to
lect the NORMAL se STATE screen. The screens will appear as shown in
Figure 9-10.
-10: Normal State screens
The DO-160 NORMAL screen has the following tests:
1. VOL IN
2. VOL AX
3. VOLT UNDER
4. VOLT SURGE
PT
he highlighted selection using the up and down key
test. For some of these tests, numeric data entry may be
required to define the test number or the modulation rate.
VOLT MIN
Figure 9
T M
T M
5. POWER INTERRU
The above tests can be selected by scrolling to t
and the ENTER key to start the selected
Standard Categories
A and Z B 28V / 14V
RTCA 22.0 22.0 11.0
EUROCAE 22.0 25.1 12.5
Table 9-15: Normal Voltage Minimum
This test will change the output voltage from 28V or 14V to 22V or 11V. The test will last for 30
minutes. The ← (backspace) will terminate the test at any time.
California Instruments 124
User Manual Compact i/iX Series
VOLT MAX
Standard Categories
A and Z B 28V / 14V
RTCA 30.3 30.3 15.1
EUROCAE 30.3 29.3 14.6
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