Huawei UPS5000-E User Manual page 49

UPS5000-E-(50 kVA–300 kVA)
User Manual (50 kVA Power Modules)
Port
DO_3
DO_4
DB26
Battery temperature
sensor port
Southbound
communications
port 1
Southbound
communications
port 2
Network port
Northbound
communications
port
Figure 2-22
Issue 15 (2022-01-30)
Silk
Screen
NO
COM
NO
COM
MDU
B_TEMP
COM1
COM2
FE
RS485
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
● RS485 cables and FE cables must be shielded cables.
and Figure 2-23
Copyright © Huawei Technologies Co., Ltd.
Description
● 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.
Provides FE, RS485, I2C, and CAN signals.
Connects to an indoor battery temperature
sensor.
● Supported protocol: Modbus-RTU.
● Connects to an ambient temperature and
humidity sensor over two wires.
● Supported protocol: Modbus-RTU.
● Connects to a southbound device.
● 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.
● Supported protocol: Modbus-RTU.
● Connects to a northbound network
management device or a third-party
network management device over two
wires.
2
.
are recommended wiring methods for DO ports.
2 Overview
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