3onedata GW11 Series, User Manual

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(I)GW11XX Modbus User Manual
3onedata proprietary and confidential 47
Copyright © Shenzhen 3onedata Technology Co., Ltd.
In ASCII Slave Mode, the TCP master device accesses the ASCII slave device
through the gateway.
○
1
TCP master device sends request to gateway;
○
2
Gateway forwarding request to ASCII slave device;
○
3
ASCII slave device returns a response;
○
4
The gateway sends back the response.
The parameters of the TCP master are as follows:

Slave ID: 4

TCP Port: 503
The parameters of the ASCII slave are as follows:

Communication port: COM 4

Baud rate: 115200

Parity bit: None

Data bit: 7

Stop bit: 2