Port
Silk
Screen
Description
DO_3
NO
● 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., 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, and
Batt. Volt. Below Thres.
● Configure power segment settings based
on backup time.
COM
DO_4
NO
COM
DB26
MDU
Provides FE, RS485, I2C, and CAN signals.
Battery temperature
sensor port
B_TEMP
Connects to an indoor battery temperature
sensor.
Southbound
communications
port 1
COM1
● Supported protocol: Modbus-RTU.
● Connects to an ambient temperature and
humidity sensor over two wires.
Southbound
communications
port 2
COM2
● Supported protocol: Modbus-RTU.
● Connects to a southbound device.
Network port
FE
● Supported protocols: Modbus-TCP, HTTPS,
and SNMP.
● Connects to the network port on a PC.
● Network port for connecting to the web
service and for SNMP networking.
Northbound
communications
port
RS485
● Supported protocol: Modbus-RTU.
● Connects to a northbound network
management device or a third-party
network management device over two
wires.
NO TE
● Signal cables must be double-insulated twisted cables. If the cable length is 25–50 m,
the cross-sectional area must be 0.5–1.5 mm
2
.
● RS485 cables and FE cables must be shielded cables.
are recommended wiring methods for DO ports.
UPS5000-E-(30 kVA–120 kVA)-FM
User Manual
2 Overview
Issue 03 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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