NOVUS AirGate-Modbus - Manual (Page 11)

AirGate-Modbus
NOVUS AUTOMATION 11/22
DETERMINATION AND SELECTION OF THE SERIAL PORT (COM) - WINDOWS
DETERMINATION
The serial port associated to the AirGate-Modbus is automatically determined by the operational system a few instants
after the connection of the AirGate-Modbus. The user may easily identify or alter the COM port associated to the
AirGate-Modbus accessing the Windows® “Device Manager”:
Control Panel / System/ Hardware / Device Manager / COM & LPT Ports
It’s also possible to open the “Device Manager” executing the following command: “devmgmt.msc”.
After opening the “Device Manager” it's possible to verify which is the Serial Port (COM) associated to the AirGate-
Modbus. As it can be seen in Fig. 13 the AirGate-Modbus is associated to COM7.
Fig. 13 - Determination of the COM Port
SELECTION
In case it's necessary to modify the Serial Port (COM) associated to the AirGate-Modbus select “USB Serial Port (COM
X)” where the AirGate-Modbus is connected. Access "Action/Properties" and in the "Port Definitions" tab click
"Advanced...", according to Fig. 14. In case this tab does not appear, the driver was not installed correctly and the
DigiConfig software must be reinstalled. In the “Advanced definitions for COMX” window change the parameter “COM
port Number:” for the desired COM, as indicated in Fig. 15. Some serial ports may be marked as In Use. Only select one
of these ports in case you are sure that it is not being used by another peripheral of your computer.
In some situations the serial ports may be marked as in use even when the associated device is not installed anymore in
the computer. In this case it is safe to associate this port to the AirGate-Modbus.
Fig. 14 - Accessing the advanced configuration of the COM port