Nru checks after power up, Figure 9.2, Nru checks after power up -6 – Rockwell Automation 2364E Non-Regenerative DC Bus Supply Unit (NRU) User Manual
Page 58
Publication 2364E-5.01 April 2002
9-6
Installing Your NRU
NRU Checks After Power Up
1.
Verify that the incoming phase-to-phase line voltage is within the
specified tolerances:
2.
The common DC bus voltage will vary based upon the 3-phase
AC input voltage. Verify that the common DC bus voltage is
within the tolerances:
Note: We suggest that you check the DC bus voltage at the DC
bus energized board as shown in Figure 9.2.
Figure 9.2
Where to Check the DC Bus Voltage
!
ATTENTION: You must not proceed with regular
operation if the NRU fails any of the checks described
in this section. Failure to do so may result in personal
injury and/or equipment damage.
Nominal AC Input
Voltage (V AC)
Minimum AC Input
Voltage (V AC)
Maximum AC Input
Voltage (V AC)
230
207
253
380
342
418
460
414
506
575
518
632
Nominal DC Bus
Voltage (V DC)
Minimum DC Bus
Voltage (V DC)
Maximum DC Bus
Voltage (V DC)
310
279
341
510
459
561
620
558
682
775
698
852
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