Mdu - Huawei UPS5000-E-180 kVA User Manual

UPS5000-E-180 kVA
User Manual (Integrated UPS, 30 kVA Power
Modules)
Table 2-6 Pin definitions for the COM2, FE, and RS485 ports
Appearance
Figure 2-17 DO port wiring methods

2.3.5 MDU

The MDU monitors the UPS, allows users to set parameters, delivers commands,
reports system information, and displays key UPS information and parameters on
the LCD.
The MDU allows you to control UPS operations, view the running status and
alarms, and set parameters.
Issue 05 (2024-01-30)
Pin COM2 Port
1 RS485_R+
2 RS485_R–
3 -
4 RS485_T+
5 RS485_T–
6 GND
7 CAN_H
8 CAN_L
Copyright © Huawei Digital Power Technologies Co., Ltd.
FE Port RS485
Port
RJ_TX+ RS485_T+
RJ_TX– RS485_T–
RJ_RX+ -
- RS485_R+
- RS485_R–
RJ_RX– GND
- -
- -
2 Product Overview
Remarks
If cables need to be prepared
for the COM2 and RS485
ports onsite, use any of the
following methods:
● 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
and then connect it to
RS485–.
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