User Manual
2253i / 2253iX
AMETEK
California Instruments
142
10.7 DC Test Mode
DC test mode requires DC mode and a steady state voltage setting of 28V DC or 270V DC.
10.7.1 Steady State Test
Scroll to the STEADY STATE entry using the up and down cursor keys. Press the ENTER key to
select the STEADY STATE screen.
The MIL704 STEADY STATE screen has the following tests:
1
VOLTAGE
2
RIPPLE
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.
VOLTAGE
This test will change the output voltage for the selected phase in the following sequence:
1. 28V system:
•
22V for 1 minute.
•
29V for 1 minute.
•
28V for 1 minute.
2. 270V system:
•
250V for 1 minute.
•
280V for 1 minute.
•
270V for 1 minute.
The
←
key (backspace) will terminate the test at any time.
DC RIPPLE
This test will impose a 400Hz frequency component to the output voltage. The test will last for 2
minutes. The level of the ripple is as follows:
1.
28V system:
±
1.5V.
2.
270V system:
±
6.0V.
The
←
key (backspace) will terminate the test at any time.
