NO TICE
● The FE port resembles the RS485 port. Therefore, follow the silk screens when
you connect communications cables. If you mistake the RS485 port as the FE
port during cable connection, the WebUI communication fails. If you mistake
the FE port as the RS485 port during cable connection, RS485 communication
fails.
● Dry contact signals take effect after you set them. Disable unused dry contact
signals on the monitoring system.
● When multiple UPSs are connected in parallel, all dry contact signals to be used
need to connect to each UPS.
Figure 4-8 Monitoring interface card
NO TE
DO_1 to DO_4 meet the maximum voltage and current requirements of 30 V DC/1 A or 60
V DC/0.5 A.
Table 4-8 Description of ports on the monitoring interface card
Port
Silk
Screen
Description
DO_1
NO
● DO_1, DO_2, DO_3, and DO_4 indicate alarm
outputs. The default values are Critical alarm,
Minor alarm, Bypass mode, and Battery
mode, respectively.
● On the LCD, choose System Info > Settings >
System Settings > Dry Contact Set. Set
MUS05A DO_1, MUS05A DO_2, MUS05A
DO_3, and MUS05A DO_4 to Disable, Critical
alarm, Minor alarm, Bypass mode, Battery
mode, Low batt. volt., Batt. SOC below
thres., Abnormal mains, Sys maint breaker
enable, Sys outp breaker enable, Maint.
breaker closed, No power supplied, Mains
supplies power, ECO mode, Battery test,
Batt. volt. below thres, Rack output
COM
DO_2
NO
COM
DO_3
NO
COM
DO_4
NO
UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Module)
4 Component Description
Issue 02 (2021-04-22)
Copyright © Huawei Technologies Co., Ltd.
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