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PowerCube 1000 (STC, Saudi Arabia, ICC800-A1-C2,
ESC800-A1)
Installation Guide
No.
Silk Screen
6
/
7
PWR
8
+
-
9
MANUAL ON/OFF
Table 3-32 DO1 and DO2 port description
Silk
Definition
Screen
DO1
Fault or major
alarm
DO2
Overload
warning,
overdischarge
protection
Issue 02 (2021-09-28)
Description
If the ESM raises one of the following alarms, the
dry contact supplies an alarm signal:
Charge converter short-circuit, relay coil short-circuit,
electrochemical cell voltage sampling fault, busbar
overvoltage lockout during discharge, discharge
overcurrent lockout, overload after component
failure, electrochemical cell fault, discharge
overcurrent protection, discharge short-circuit
protection, reverse connection protection, board
internal overtemperature protection, electrochemical
cell temperature sampling exception, battery charge
high temperature protection, battery charge low
temperature protection, battery discharge high
temperature protection, battery discharge low
temperature protection, and serial number conflict
If the ESM raises one of the following alarms, the
dry contact supplies an alarm signal:
Battery string undervoltage protection,
electrochemical cell undervoltage protection, battery
string discharge undervoltage alarm, electrochemical
cell discharge undervoltage alarm, and discharge
overcurrent warning
Copyright © Huawei Technologies Co., Ltd.
Item
Buzzer (The ESM supports the buzzer alarm
function. After the buzzer alarm function is
enabled, the buzzer buzzes when the ESMU
detects that the ESM is stolen through the
software lock, intelligent displacement lock,
or IoT module.)
PWR activation port (The ESM can be
activated if an external voltage ranging from
43.2 V to 58 V is connected.)
ESM power ports
Button for manual power-on/off
3 Component
Alarm Status
Configurable
(By default,
an alarm is
reported
when the dry
contact is
open.)
57
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