AMETEK Ls Series - Manual (Page 133)

User Manual Lx / Ls Series
129
410Hz for 5 sec.
407Hz for 4 sec.
For 60Hz only:
61Hz for 0.5 sec.
60.5Hz for 0.5 sec.
After this sequence, a 5 second delay will be inserted at the nominal test frequency. The key
(backspace) will terminate the test at any time.
LOW FREQUENCY TRANSIENT
This test will change the output frequency in the following sequence:
For 400Hz and VFREQ:
375Hz for 1 sec.
380Hz for 4 sec.
390Hz for 5 sec.
393Hz for 4 sec.
For 60Hz only:
59Hz for 0.5 sec.
59.5Hz for 0.5 sec.
After this sequence, a 5 second delay will be inserted at the nominal test frequency. The key
(backspace) will terminate the test at any time.
9.7 EMERGENCY TEST
From the MIL704 main menu (Figure 9-2) scroll to the EMERGENCY entry using the up and
down cursor keys. Press the ENTER key to select the EMERGENCY screens. The screen will
appear as shown in Figure 9-4.
Figure 9-4: Emergency Menu
The EMERGENCY SCREEN has the following tests:
1 VOLTAGE
2 FREQUENCY
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.
Note: These tests are only required for revision D. See steady state voltage and
frequency tests for all other revisions.
VOLTAGE
This test will change the output voltage in the following sequence: