Mdu - Huawei UPS5000-E-400 kVA User Manual

UPS5000-E-(360 kVA-480 kVA)
User Manual (40 kVA Power Modules)

2.5 MDU

Appearance
Figure 2-21 MDU
Table 2-8 Status indicator
Issue 07 (2020-01-10)
Pin
7
8
If cables are prepared onsite, follow the three methods below:
 Connect pin 1 and pin 2. Pin 1 connects to RS485+ and pin 2 connects to RS485–.
 Connect pin 4 and pin 5. Pin 4 connects to RS485+ and pin 5 connects to RS485–.

Connect pins 1, 2, 4, and 5. Twist cables to pin 1 and pin 4 into one cable and then connect it to
RS485+. Twist cables to pin 2 and pin 5 into one cable and then connect it to RS485–.
(1) Status indicator
Status Color
On Red
Yellow
Green
Off N/A
Copyright © Huawei Technologies Co., Ltd.
Description
N/A
N/A
(2) LCD touchscreen
Meaning
A critical alarm has been generated, and the buzzer sounds
continuously.
A minor alarm has been generated, and the buzzer buzzes at 2 Hz.
The UPS is running properly or a warning has been generated.
The MDU is powered off.
2 Overview
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