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UPS5000-S-1200 kVA
User Manual
Table 2-7 Description of ports on the monitoring interface card
Port
DO_1
DO_2
DO_3
DO_4
Southbound
communications
port 1
Southbound
communications
port 2
Issue 10 (2023-05-26)
Silk
Screen
NO
COM
NO
COM
NO
COM
NO
COM
COM1
COM2
Copyright © Huawei Digital Power Technologies Co., Ltd.
Bypass
Power
Unit
Unit
In use:
Reserved
Controls
the
entire
UPS
system.
In use:
In use:
Controls
Control
the
the
entire
power
UPS
unit.
system.
Reserved
2 Product Overview
Description
● DO_1, DO_2, DO_3, and
DO_4 indicate alarm
outputs. Their default
values are Critical
alarm, Minor alarm,
Bypass mode, and
Battery mode,
respectively.
● It can be set to Disable,
Critical alarm, Minor
alarm, Bypass mode,
Battery mode, Low
batt. volt., Low battery
SOC, 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. and Firefighting
action.
● Configure power
segment settings based
on backup time.
● Supported protocol:
Modbus-RTU.
● Connects to an ambient
temperature and
humidity sensor or
battery temperature
sensor; two-wire
system.
● Supported protocol:
Modbus-RTU.
● Connects to a
southbound device,
such as an iBattery.
43
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