ProSoft Technology MVI56-PNPM User Manual page 65

Reference
Disabling the RSLinx Driver for the Com Port on the PC
The communication port driver in RSLinx can occasionally prevent other
applications from using the PC's COM port. If you are not able to connect to the
module's configuration/debug port using ProSoft Configuration Builder (PCB),
HyperTerminal or another terminal emulator, follow these steps to disable the
RSLinx Driver.
Open RSLinx and go to Communications>RSWho
1
Make sure that you are not actively browsing using the driver that you wish to
2
stop. The following shows an actively browsed network:
Notice how the DF1 driver is opened, and the driver is looking for a processor
3
on node 1. If the network is being browsed, then you will not be able to stop
this driver. To stop the driver your RSWho screen should look like this:
Branches are displayed or hidden by clicking on the
When you have verified that the driver is not being browsed, go to
4
Communications>Configure Drivers
ProSoft Technology, Inc.
January 2, 2008
MVI56-PNPM ♦ ControlLogix Platform
Phantom Network Protocol Master Communication Module
or the icons.
Page 65 of 91