![Huawei UPS5000-S-880 kVA User Manual Download Page 41](http://html.mh-extra.com/html/huawei/ups5000-s-880-kva/ups5000-s-880-kva_user-manual_170109041.webp)
UPS5000-S-880 kVA
User Manual (CMI)
2 Overview
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
33
Port
Silk
Screen
Description
COM
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.
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
Connects to an ambient temperature and humidity
sensor over two wires.
Southbound
communications port 2
COM2
Connects to a southbound device, such as an
iBattery.
Network port
FE
Connects to the network port on a PC. Network
port for connecting to the web service and for
SNMP networking.
Northbound
communications port
RS485
Connects to a northbound network management
device or a third-party network management
device over two wires.
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.
Figure 2-17
Wiring method 1