3
3.4.2 .2.Double-click "ODOT-S4E2" or right-click "ODOT-S4E2", Select
“Common attribute”.
It could set the gateway working mode to "Mapping Mode" in the popup setting
page.
3.4.2.3.Double-click "COM1", "COM2" , or right-click "COM1",
"COM2".
And click "Serial Properties" to bring up the "Configure serial" window. Set up the
communication parameters, then click the "OK" to save and return. (For this example, it
selects COM1 as master mode).
The meaning of each parameter is as follows
：
Operating mode
：
It is used to set up gateway as master station or slave station in the network.
Default is set as master mode.
Modbus protocol type
：
It is used to set up the gateway protocol type of the network between the communication of
the serial port and other connected devices.
It can choose either Modbus-RTU or Modbus-ASCII. Please set this parameter to be
consistent with the device to which the serial port is connected.
