UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)
2 Overview
Issue 05 (2018-01-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
39
Port
Silk Screen
Description
battery mode, or low battery
voltage.
DO_3
NO
DO_3 is used to output
alarms and indicates bypass
mode by default. It can be
set to indicate critical
alarms, minor alarms,
battery mode, or low battery
voltage.
COM
DO_4
NO
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.
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.
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.