Huawei BoostLi ESM-48100B1 - Page 12

BoostLi Energy Storage Module ESM-48100B1
User Manual
1 Product Description
Issue 03 (2020-01-08)
Copyright © Huawei Technologies Co., Ltd.
6
DO1 and DO2 Ports
Table 1-4 DO1 and DO2 port definitions
Silk
Screen
Definition
Description
Alarm
Status
DO1
Fault, major
alarm
If the ESM raises one of the following alarms,
the dry contact supplies an alarm signal:
Cell voltage sampling fault, cell temperature
sampling fault, charge converter output short
circuit, relay coil short-circuit, charge low
temperature protection, discharge low
temperature protection, charge high
temperature protection, discharge high
temperature protection, power module
internal overtemperature protection, discharge
converter output short circuit, input reverse
connection, BMU anti-theft lock, overload
lockout due to component failure, serial
number conflict, serial number conflict,
input/output discharge overvoltage lockout,
and discharge overcurrent lockout
Configurable
(If the dry
contact is
closed, an
alarm is
reported by
default.)
DO2
Overload
warning,
overdischarge
protection
If the ESM raises one of the following alarms,
the dry contact supplies an alarm signal:
Discharge undervoltage alarm, discharge
undervoltage protection, and discharge
overcurrent warning
LED Indicator
Figure 1-5 LED indicator
Table 1-5 LED indicator description
Silk Screen
Item
Color
Description
RUN
Run indicator
Green
Steady on: Communication is
normal (including board
startup, self-check, software
loading, and board power-on
when not loaded; excluding
sleep when the power port or