Huawei SmartLi 100Ah - Page 54

PowerCube 5000
User Manual (SmartLi 100Ah)
2 Products
Issue 02 (2020-03-17)
Copyright © Huawei Technologies Co., Ltd.
46
Port
Silk Screen
Description
Ports for
interaction
between lithium
battery cabinets
BCU IN
Inter-cabinet input communications port
BCU OUT
Inter-cabinet output communications port
Figure 2-30 Pins in a communications port
Table 2-38 Pin definitions for the BCU IN and BCU OUT ports
Pin
Signal
Description
1
RS485+
RS485 data, positive
2
RS485–
RS485 data, negative
3
12V
Supplies power.
4
RS485+
RS485 data, positive
5
RS485–
RS485 data, negative
6
GND
Grounding
7
CANH
CAN bus high level
8
CANL
CAN bus low level
Table 2-39 Indicator description
Silk
Screen
Name
Colo
r
Status
Description
RUN
Running
indicator
Green
Steady on
Communication is normal.
Off
The module is shut down or
hibernating.
Blinking
slowly
Frequency 0.5 Hz: Standby