Problems with communication with I/O units
Maintenance/Troubleshooting
1-85
1.5.8 USB-Serial (RS-232C) conversion cable is
not recognized.
Is a project file created by GP-Pro EX Ver.1.10 or later transferred to the Dis-
play?
Cause
To use a USB-Serial (RS-232C) conversion cable, you need to transfer a project file cre-
ated by GP-Pro EX Ver.1.10 or later (same applies to the version of the transfer tool) to
the GP3000 Series in advance.
Solution
• When a project file created by GP-Pro EX Ver.1.10 or later is transferred
Select [Transfer Setting], [Transfer System], and then [Forced] to transfer the project
file according to the following section.
)
GP-Pro EX Reference Manual “33.10.1 [Transfer Settings] Settings Guide” (page
33-59)
• When a project file created by GP-Pro EX Ver.1.10 or later is not transferred
Transfer the project file created by GP-Pro EX Ver.1.10 or later before connecting the
cable.
Does the Display recognize the USB-Serial (RS-232C) conversion cable?
Cause
The Display may not have recognized the USB-Serial (RS-232C) conversion cable.
Solution
Correct the problem according to the following procedure:
(1) Select [USB] from [Peripheral Settings] in offline mode. Connecting the USB-Serial (RS-
232C) conversion cable displays the USB information. Check the following:
(2) If the USB information does not appear on the Display, the USB interface of the Display may
have a problem. Please contact your local GP distributor.
)
