Written Date
2010.05.30
Document No.
Change code
0
File/Reference
Operation Manual.DOC
Page
(8/21)
DONGAH ELECOMM R&D CENTER
All rights are reserved.
No.
Type
Contents
Note
1
ACF
AC INPUT FAIL
AC Input less than 85VAC or
2
DCF
DC HIGH VOLTAGE
DC LOW VOLTAGE
DC Output less than 48.0Vdc or
greater than 58.0Vdc
3
FUSE
DC NFB TRIP
DC FUSE OPEN
3.3 Rectifier Module (DRM-440H44R0)
The DRM-440 Rectifier is a SMPS that rectifies the Input AC Voltage to a DC Output Voltage (54V). The Rectifier
and the DIRC-4 Control Module internally communicate to control, monitor, and alarm as needed to deliver the
regulated 54V @ 50A, per module, to the load. Each rectifier actively current-shares and is hot-swappable.
*Warning: If variable volume of the upper part of m
1. Green LED ('NOR'): Indicates Normal Rectifier status; no alarms or failures.
2. Red LED (FAIL): Indicates Failed Rectifier status.
greater than 280VAC
DC Output protective device open
(No-Fuse Breaker -NFB or GMT Fuse)
"Vadj" allows fine-tuning of the output voltage
and is a FACTORY ADJUSTMENT ONLY.
Any modification to this factory setting may
cause module-to-module current-sharing to
exceed module and/or shelf specifications.
CAUTION
Picture 6. Rectifier Module (Front Panel): Green/Red LED Indicator
Red/Green LED
Actual Vout adjustments can be performed via
monitoring/alarm software provided by DongAh.