FusionModule2000 Smart Modular Data Center
Product Description
5 Power Supply and Distribution System
Issue 06 (2020-05-21)
Copyright © Huawei Technologies Co., Ltd.
53
Figure 5-43
Monitoring interface card
The maximum voltage and current of ports DO_1 to DO_4 are 30 V DC, 1 A or 60 V DC, 0.5 A
respectively.
Table 5-24
Ports on the monitoring interface card
Port
Silk Screen
Description
DO_1
NO
DO_1, DO_2, DO_3, and DO_4 indicate alarm
outputs. Their default values are Critical alarm,
Minor alarm, Bypass mode, and Battery mode,
respectively.
It can be set to
Disable
,
Critical alarm
,
Minor
alarm
,
Bypass mode
,
Battery mode
,
Low batt.
volt.
,
Low battery SOC
,
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.
COM
DO_2
NO
COM
DO_3
NO
COM
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
Supported protocol: Modbus-RTU.
Connects to a southbound device.
Southbound
communications
port 2
COM2
Supported protocol: Modbus-RTU.
In use.
Communications
port
FE
Supported protocols: Modbus-TCP, HTTPS, and
SNMP (reserved).
Connects to a Huawei northbound device.