ZHC4931Manual
Public
Chengdu Zongheng Intelligent Control Co., Ltd
3
www.iotrouter.com
Wiring: PC is connected to ZHC4931 via USB to RS485 tool.
Networking: Insert the SIM card before the device is powered on.
Power supply: DC5 ~ 30V.
After powering on, open the corresponding serial port, and then you can control the ZHC4931
through Modbus protocol.
2.2
USE
Chart 1 Test Initial Parameters
ITEM
Parameter
Network work
mode
TCP_Client(Network data transparent transmission)
Server Address
115.28.86.143
Server port
55000
Serial working
mode
Host mode
Serial parameters
Baud rate: 115200 Stop bits: 1 Data bits: 8 Parity bits: None
2.2.1
Serial control
Step 1:
Open the setting software, select the correct serial port number, configure the correct
serial port parameters, and open the serial port.
P3 Set software serial port configuration