2. Double-click "ODOT-S2E2", or right-click "ODOT-S2E2", select
"Common Properties of Device Serial Port", and set the gateway working mode to
"Mapping Mode" on the pop-up setting page.
3. Double-click "COM1" or "COM2" or right-click "COM1" or "COM2" and
click "Serial Port Properties". The "Serial Port Settings" window will pop up.
After setting the communication parameters, click the "OK" button to save and
return (this example Select COM1).
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
master mode. Here is set up slave mode.
Modbus protocol type
：
It is used to set the type of protocol used by the gateway to communicate with other
devices in the network connected to the serial port. Modbus RTU/ASCII is optional.
Please set this parameter to be consistent with the device connected to the serial port.
Baud rate
：
Serial port baud rate: optional range is 1200~115200bps and default is 9600bps, Please
keep this parameter in accord with the device that is connected to the serial port.
Check Digit
：
No parity, odd parity, even parity, no default can be chose. Please keep this parameter
in accord with the device that is connected to the serial port.
Stop bit
：
You can choose stop bit 1 or stop bit 2. Default is stop bit 1. Please keep this
parameter in accord with the device that is connected to the serial port.
Receive character interval
：
when receiving packets Frame interval detection time can be chose from 1.5t to 200t.
Default is 3.5t. In general, you don't have to change this parameter.
Message sending interval:
Modbus command sending interval (the delay between receiving the response message
from the slave station and sending the next command), 0ms-65535ms can be set, the
default is 0ms, it is recommended to set 100ms to prevent the connected device from