UPS5000-A-500 kVA
User Manual (e-shelter)
2 Overview
Issue 02 (2020-01-10)
Copyright © Huawei Technologies Co., Ltd.
25
Figure 2-12
Monitoring interface card
DO_1 to DO_4 meet the maximum voltage and current requirements of 30 V DC/1 A or 60 V DC/0.5 A.
Table 2-5
Ports on the monitoring interface card
Port
Silk Screen
Description
DO_1
NO
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
DB26
MDU
Provides FE, RS485, Inter-Integrated Circuit (I2C), and control area
network (CAN) signals.
Battery
temperature
sensor port
B_TEMP
Connects to an indoor battery temperature sensor.
Southbound port 1 COM1
Connects to an ambient temperature and humidity sensor over two
wires.
Southbound port 2 COM2
Connects to a southbound device.
Network port
FE
Connects to the network port on a PC.
Northbound
communicati-ons
port
RS485
Connects to a northbound network management device or third-
party network management device over two wires.