Huawei UPS5000-H User Manual page 48

UPS5000-H-(400 kVA-800 kVA)
User Manual (100 kVA Power Modules)
● The FE port resembles the RS485 port. Therefore, follow the silk screens when
● Dry contact signals take effect after you set them. Disable unused dry contact
● When multiple UPSs are connected in parallel, all dry contact signals to be used
Figure 4-8 Monitoring interface card
Table 4-8 Description of ports on the monitoring interface card
Port
DO_1
DO_2
DO_3
DO_4
Issue 03 (2021-08-03)
NO TICE
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.
signals on the monitoring system.
need to connect to each UPS.
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.
Silk
Screen
NO
COM
NO
COM
NO
COM
NO
Copyright © Huawei Technologies Co., Ltd.
Description
● 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.
4 Component Description
40