Mdu - Huawei UPS5000-H User Manual

UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Modules)
Table 4-11 Pin definitions for the RS485 port
Pin
1
2
3
4
5
6
7
8

4.4 MDU

The MDU allows you to control UPS operations, view the running status and
alarms, and set parameters. For details, see the
Manual .
Dimensions (H x W x D): 175 mm x 264 mm x 40 mm
Figure 4-14 Appearance
(1) Status indicator
Issue 03 (2021-08-03)
NO TE
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 and then connect it to
RS485–.
Copyright © Huawei Technologies Co., Ltd.
Description
RS485_T+
RS485_T–
-
RS485_R+
RS485_R–
GND
-
-
UPS5000 Monitoring Module User
(2) LCD touchscreen
4 Component Description
44