AirGate-Modbus
INTAB INTERFACE-TEKNK AB
11/22
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 “US
B 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
IMPORTANT RECOMMENDATION
To improve the communication of the USB interface it is recommended the configuration of a Latency Timer. This parameter may
be modified accessing “
Advanced definitions for COMX
” window according to
Fig. 14
.
Later it's possible to verify, according to
Fig. 15
, the “Latency Timer (ms): which must be altered to
4
.
Fig. 11 -
Advanced definitions for COM
