Huawei UPS5000-S Series User Manual page 50

UPS5000-S-(350 kVA-800 kVA) User Manual
User Manual
Port
DO_4
DB26
Battery temperature sensor
port
Southbound
communications port 1
Southbound
communications port 2
Network port
Northbound
communications port
Figure 2-28 and Figure 2-29 are recommended wiring methods for DO ports.
Issue 05 (2019-02-27)
 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.
Copyright © Huawei Technologies Co., Ltd.
Silk Screen
COM
NO
COM
MDU
B_TEMP
COM1
COM2
FE
RS485
2
.
2 Overview
Description
alarms and indicates bypass
mode by default. It can be
set to indicate critical
alarms, minor alarms,
battery mode, or low battery
voltage.
DO_4 is used to output
alarms and indicates battery
mode by default. It can be
set to indicate critical
alarms, minor alarms,
bypass mode, or low battery
voltage.
Provides FE, RS485, I2C,
and CAN signals.
Connects to an indoor
battery temperature sensor.
Connects to an ambient
temperature and humidity
sensor over two wires.
Connects to a southbound
device, such as an iBattery.
Connects to the network
port on a PC. Network port
for connecting to the web
service and for SNMP
networking.
Connects to a northbound
network management device
or a third-party network
management device over
two wires.
41