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100
Reference Manual
00809-0100-4530, Rev DD
May 2016
5.6.4
Specifying the COM port
If communication is not established, open the
Communication Preferences
window and
check that the correct COM Port is selected:
1.
In RRM, select
View
>
Communication Preferences
.
2.
Select the
HART
tab.
3.
Make sure that HART communication is enabled.
4.
Check which COM port the modem is connected to.
5.
Choose the COM port option that matches the actual COM port on the PC that the
transmitter is connected to.
5.6.5
To set the COM port buffers
For Windows 2000/XP/7 the COM port
Receive Buffer
and
Transmit Buffer
need to be set
to 1. To set the COM port buffers:
1.
In the MS Windows Control Panel open the
System
option.
2.
Choose the
Hardware
tab and click the
Device Manager
button.
3.
Expand the
Ports
node in the tree view.
4.
Click the right mouse button on the selected COM port and choose
Properties
.
5.
Select the
Port Settings
tab and click the
Advanced
button.