Huawei PowerCube 5000 - Page 39

PowerCube 5000
User Manual (SmartLi 100Ah)
2 Products
Issue 02 (2020-03-17)
Copyright © Huawei Technologies Co., Ltd.
31
Table 2-17 Description for the pins in the COM1 and COM2 ports
Pin
Signal
Description
1
RS485+
RS485 data +
2
RS485-
RS485 data -
3
12 V
Supply power
4
RS485+
RS485 data +
5
RS485-
RS485 data -
6
NA
-
7
NA
-
8
GND
Grounded
Table 2-18 Description for the COM3/CAN port pins
Pin
Signal
Description
1
RX+
Receives data over RS485.
2
RX-
3
NA
-
4
TX+
Transmits data over RS485.
5
TX-
6
GND
Grounded.
7
CANH
CAN high level signal.
8
CANL
CAN low level signal.
Table 2-19 Description for the COM4 port pins
Silk Screen
Signal
Description
R+
RS485+
RS485 data +
R-
RS485-
RS485 data -