Huawei PowerCube 5000 - Page 35

PowerCube 5000
User Manual (SmartLi 100Ah)
2 Products
Issue 02 (2020-03-17)
Copyright © Huawei Technologies Co., Ltd.
27
Communications
Port
Communications
Parameter
Communications
Protocol
Purpose
COM
Baud rate: 1200 bit/s,
2400 bit/s, 4800 bit/s,
9600 bit/s, 14400
bit/s, 19200 bit/s,
115200 bit/s
Master/slave,
Modbus and
YDN1363 protocols
Connects to a
downstream device,
such as the
intelligent battery
detector.
NOTE
The COM port is protected by a security mechanism.
Figure 2-14 Pins in the COM port
Table 2-13 COM port pin definitions
Pin
Signal
Remarks
1
RX+
Receives data over RS485.
2
RX-
4
TX+
Transmits data over RS485.
5
TX-
6
PGND
Protective ground
3, 7, 8
NA
-