GW-7828 (Modbus RTU Slave to MBus Master Gateway) User Manual
Version 1.00
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2.2 Rotary Switch
The GW-7828 module provides two rotary switches that are used to change UART Baud Rate
and M-Bus Baud Rate. The following is an overview of the purpose and function of each rotary
switch position together with a description.
Note: M-Bus only supports baud rate from 300 to 2400 bps.
Switch
Baud rate (bps)
Format
0
300
M-Bus Port:8,e,1
Serial Port:8,n,1
1
600
2
1200
3
2400
4
4800
5
9600
6
19200
7
38400
8
57600
9
115200
A~F
User defined
User defined