UPS5000-S-1200 kVA
User Manual
2 Overview
Issue 04 (2019-06-25)
Copyright © Huawei Technologies Co., Ltd.
29
Port
Silk
Screen
Bypass
Unit
Power
Unit
Description
DO_1
NO
In use:
Controls
the entire
UPS
system.
Reserved
DO_1 is used to output alarms
and indicates critical alarms by
default. It can be set to indicate
minor alarms, bypass mode,
battery mode, or low battery
voltage.
COM
DO_2
NO
DO_2 is used to output alarms
and indicates minor alarms by
default. It can be set to indicate
critical alarms, bypass mode,
battery mode, or low battery
voltage.
COM
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
Southbound
communication
s port 1
COM1
In use:
Controls
the entire
UPS
system.
In use:
Control
the power
unit.
Connects to an ambient
temperature and humidity sensor
or battery temperature sensor;
two-wire system.
Southbound
communication
s port 2
COM2
Reserved
N/A
Network port
FE
In use:
Controls
the entire
UPS
system.
Reserved
N/A
Northbound
communication
s port
RS485
Connects to a northbound
network management device or a
third-party network management
device over two wires.
DB26
MDU
N/A
Provides FE, RS485, I2C, and
CAN signals.
Battery
temperature
sensor port
B_TEMP
Reserved
N/A