Huawei UPS5000-H Series - Page 42

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.
● The value 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,
and Batt. Volt. Below Thres.
●
Congure power segment settings based on
backup time.
COM
DO_2 NO
COM
DO_3 NO
COM
DO_4 NO
COM
DB26 MDU Supports FE, RS485, I2C, CAN, and other
signals.
Battery
temperature
sensor port
B_TEMP Connects to an indoor battery temperature
sensor.
Southbound
communicatio
ns port 1
COM1 ● Supported protocol: Modbus-RTU
● Connects to an ambient temperature and
humidity sensor over two wires.
Southbound
communicatio
ns 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
communicatio
ns port
RS485 ● Supported protocol: Modbus-RTU
● Connects to a northbound network
management device or third-party network
management device over two wires.
NO TE
● Signal cables must be double-insulated twisted cables. If the cable length is within 25–
50 m, the cross-sectional area must be 0.5–1.5 mm
2
.
● RS485 cables and FE cables must be shielded cables.
Figure 4-8 and Figure 4-9 are recommended wiring methods for DO ports.
UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module) 4 Component Description
Issue 01 (2020-11-30) Copyright © Huawei Technologies Co., Ltd. 35