3onedata GW11 Series User Manual page 50

The parameters of the ASCII master are as follows:
Communication port: COM3

Baud rate: 115200

Parity bit: None

Data bit: 7

Stop bit: 2

The parameters of the TCP slave are as follows:
IP address: 192.168.1.80

Slave ID: 3

TCP port number: 503

Operation steps
The screenshot reference model for this manual is GW1108-8D (3IN1) Modbus. Other
types of products in addition to supporting the serial type (RS-232, RS-422, RS-485), and
the number of network ports and the number of serial ports are different, the interftions are
the same.
Step 1 Connect the COM serial port of the computer and the COM3 serial port of the Modbus
gateway using a cable or a converter.
Step 2
Configure the IP address of the Modbus gateway.
1. Log in to the Web configuration interface and select "Network Setting".
2. In the "Use the following IP address" option box, enter the "IP address", "Subnet
Mask" and "Gateway address" corresponding to the Modbus gateway.
3. Other parameters remain the default, click "submit".
Step 3 Configure the serial port parameter information.
1. Log in to the Web configuration interface and select "Main Menu > Serial Settings>
COM Settings ".
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(I)GW11XX Modbus User Manual
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