MGate MB3000 Modbus Gateway User Manual
Once finishing configuring the COM port, click OK and check if the COM port is changed successfully.
Offline Open
This function enables users to open ProCOM port(s) before the device is connected. In this case, the data
transmitted to ProCOM port(s) will be kept temporarily and will be sent out once the ProCOM port(s) are
ready for access.
Select the Enable Offline Open checkbox and click OK to enable this function.