Figure 3.11 Set serial port parameters
Select "COM1" or "COM2", right-click to select Add Slave, enter "Slave Name", fill in
"Slave Station Number", configure Modbus function code and slave data according to the
communication manual of the slave device The starting address, the number of data, the
starting address of the gateway mapping area, the response timeout time, and whether the
number changes will be sent. The station number of the slave station under the same serial
port cannot be the same or the same as the station number of the device, and the slave
station address range is between 1-247. The slave station name under the same serial port
cannot be the same. When a change occurs, the gateway executes this command once, and
this parameter is only valid for write commands. After completing the settings, click "Save
the current mapping table editing".