Figure 9-8: Emergency Screen; Table 9-5: Normal Frequency Transient Sequence; Table 9-6: Normal Frequency Variation Sequence - California Instruments MX30-1 User Manual

User Manual - Rev AJ
FREQUENCY TRANSIENTS (Group 1 only)
This test applies to Group 1 only. At 115 voltage, change the frequency per sequence listed in
Table 9-5. Th e test will cycle 5 times starting from sequence 2.
FREQUENCY VARIATION (Group 2 and 3
Seq. No
1
2
3
This test will apply to Group 2 and 3 only. At 115 voltage, the frequency is set to 360Hz for 5
minutes. The frequency is slowed per sequence listed in Table 9-6. The test will cycle 3 times.
The frequency will return to nominal after the test is completed.
9.3.1.5.2 EMER GENCY TE
From th e DO160 M
keys. Press the ENTER key to select the EMERGENCY screens. The screen will appear as
shown in Figure 9-8.
The EMERGENCY SCREEN has the following tests:
1 VOLT FREQ MIN
2 VOLT FREQ MAX
3 VOLT UNBALANCE
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.
MX Series
Seq. No Frequency
1
2
3
4
5

Table 9-5: Normal Frequency Transient Sequence

Initial Frequency
Group2 Group3
360 360
650 800
360 360

Table 9-6: Normal Frequency Variation Sequence

ST
ENU sc roll to th e EMERGENCY A

Figure 9-8: Emergency Screen

Time
400 5 Minute
440 150msec
400 5Sec.
350 150msec
400 5Sec.
only)
Slew rate Final Frequency
Hz/Sec Group2
100 650
100 360
Pause 5 sec 360
C entry using he up and down cu
California Instruments
Group3
800
360
360
t rsor
199