User Manual    AMETEK Programmable Power 
RS Series    181 
This test will change the output voltage from 28V or 14V to 30.3V or 15.1V.  The test will last for 
30 minutes.  The ← (backspace) will terminate the test at any time. 
VOLT UNDER 
This test applies to category Z and 28 volt category B equipment.  The output voltage will drop to 
10 volts and will ramp up at a rate of  0.15 volt/sec for the US standard and at a rate of  0.30 
volt/sec for EUROCAE standard for 30 seconds before it returns to nominal value. 
VOLT SURGE 
This test will surge and sag the voltage to a level and duration specified Table 9-15 with 5 
seconds between transients.  The test is repeated three times. 
 
Category  Surge  Sags 
  Volt  Dwell(msec)  Volt  Dwell(msec) 
  RTCA  EUR    US  EUR   
A  40  40  30  15  17  30 
B  40  40  30  15  17  30 
Z  50  50  50  12  12  30 
Table 9-15: Voltage Surge 
POWER INTERRUPT 
Refer to section POWER INTERRUPT. 
9.3.1.6.2  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 
Figure 9-12. 
 
Figure 9-12: Abnormal State 
The Abnormal Test has the following tests: 
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 ← key (backspace) will terminate the test at any time. 
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 ← key (backspace) will terminate the test at any time. 
VOLT LOW