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UPS5000-E-180 kVA
User Manual (Integrated UPS, 30 kVA Power
Modules)
No.
Silk Screen
6
DO_1
NO
COM
DO_2
NO
COM
DO_3
NO
COM
DO_4
NO
COM
7
DB26
MDU
Table 2-5 Pin definitions for the COM1 port
Appearance
8-pin
6-pin
Issue 05 (2024-01-30)
Name
Dry contact port
MDU port
Pin
COM1 Port
1
RS485_R+
2
RS485_R–
3
12V_PORT
4
RS485_T+
5
RS485_T–
6
-
7
-
8
GND
1
GND
2
-
3
RS485_R–
4
RS485_R+
5
-
6
12V_PORT
Copyright © Huawei Digital Power Technologies Co., Ltd.
Description
● The maximum voltage and current of the
external power supply are 30 V DC/1 A.
● DO_1, DO_2, DO_3 and DO_4 indicate alarm
output.
● Only once being set will dry contact signals
take effect. Disable unused dry contact signals
on the monitoring system.
● After the defined dry contact signals take effect,
the system will be able to generate
corresponding alarms.
● In a parallel system, ensure that used dry
contacts properly connect to each UPS.
Connects to the MUS05A (DB26) port on the MDU
for power supply and communication.
2 Product Overview
44
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