I/O Expansion Board - Huawei LUNA2000-200KWH-2H1 Smart String ESS User Manual

LUNA2000-200KWH-2H1 Smart String ESS
User Manual
Indicators
Table 2-13 Indicators
Indicator
Running
indicator
(RUN)
Alarm/
maintenance
indicator
(ALM)

2.4.2.2 I/O Expansion Board

The I/O expansion board controls and monitors the door status sensor, sensors,
and air conditioners in the ESS, connects cables to the fire suppression system, and
black starts the system.
Issue 02 (2023-02-28)
Status
Green off
Blinking green slowly (on for 1s
and then off for 1s)
Blinking green fast (on for 0.125s
and then off for 0.125s)
Alarm status
Maintenance
status
Copyright © Huawei Digital Power Technologies Co., Ltd.
Description
Not powered on
The communication with
the management system is
normal.
The communication with
the management system is
interrupted.
Red off No system alarm is
generated.
Blinking red The system raises a
slowly (on for 1s warning alarm.
and then off for
4s)
Blinking red fast The system raises a minor
(on for 0.5s and alarm.
then off for 0.5s)
Steady red The system raises a major
alarm.
Green off No local maintenance is in
progress.
Blinking green Local maintenance is in
slowly (on for 1s progress.
and then off for
1s)
Blinking green Local maintenance fails or
fast (on for the connection to the app
0.125s and then is to be set up.
off for 0.125s)
Steady green Local maintenance
succeeded.
2 Product Description
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