T.2.9.6 In the Pass-Through Configuration Tool, is the check
box for the target COM port number selected?
Cause
The check box for the target COM port number may not be
selected.
Solution
Start the Pass-Through Configuration Tool and select the desired
COM port number from the following dialog box. Then, re-start the
monitor from the ladder software.
For details about the ladder software, refer to
the manual of the connected device.