Huawei PowerCube 5000 User Manual page 53

PowerCube 5000
User Manual (SmartLi 100Ah)
Figure 2-29 BCU
Table 2-37 Port description
Port
Ports for
BCU-BMU
interaction
Sensor ports
Dry contact ports
System
communication
ports
Issue 02 (2020-03-17)
Silk Screen
BMU IN
BMU OUT1
BMU OUT2
TEMP1
TEMP2
GATE
SMOKE
WATER
EPO1
EPO2
DI
DO
LED
ELU
MDU IN
BUS TEMP
UPS 485
A/C 485
PLC IN
Copyright © Huawei Technologies Co., Ltd.
Description
Connects to the first BMU and contains the 48 V
active equalization cable, 12 V auxiliary power
supply, CAN communication, and RS485
communication (positioning).
Connects to the last BMU and contains the 48 V
active equalization cable, 12 V auxiliary power
supply, CAN communication, and RS485
communication (positioning).
Monitors the ambient temperature inside the
cabinet.
Monitors the ambient temperature outside the
cabinet.
Door status sensor port
Smoke sensor port
Water sensor port
Dry contact of the EPO button (connected to the
EPO button, connected to the EPO2 port on the
other module hand in hand)
Dry contact for the EPO button (connected to the
EPO1 port on the other module hand in hand)
Input dry contact
Output dry contact
Cabinet indicator port
Electronic label port
MDU port
Copper bar temperature monitoring port
Reserved UPS RS485 communications port
Reserved air conditioner communications port
Reserved PLC communications port
2 Products
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