Huawei TP48200A-DT19C1 User Manual page 28

TP48200A-DT19C1, TP48200A-DT19C2,
TP48200A-HT19C1, TP48200A-HT19C2 Outdoor
Power System
User Manual
Communication Port
Table 2-8 COM communication port description
Communication
Port
COM port
NOTE
The COM port supports the security mechanism.
Figure 2-13 Pins in the COM port
Table 2-9 Pin definitions for the COM port
Pin
1
2
4
5
6
3, 7, 8
Pins
Figure 2-14
Issue 02 (2019-02-26)
Communications
Parameter
Baud rate: 9600 bit/s,
19,200 bit/s, 115,200
bit/s
Signal
RX+
RX-
TX+
TX-
PGND
None
shows the pin numbers of the sensor ports.
Copyright © Huawei Technologies Co., Ltd.
Communications
Function
Protocol
M/S and Modbus Connects to
protocol lower-level
devices such as
the battery
inspection unit,
DC air
conditioner.
Description
Receives data over RS485.
Sends data over RS485.
Connects to the ground.
N/A
Table 2-10 defines the pins.
2 Components
20