14
TROUBLESHOOTING
14
- 24
14.5 Flowchart for Error during Data Link
14.5.2 Flowchart when data cannot be written or read with user program
14.5.2 Flowchart when data cannot be written or read with user program
NO
YES
NO
YES
NO
YES
NO
YES
Is the return value of the
communication function
abnormal?
Monitor the device to be accessed
using the device monitor of the
monitor function (utility).
Or write data by performing "Data
changing".
Could the device be
monitored?
(Could the data be
written?)
Review the user program.
Did an error occur?
Did the error occur in
accessing to the own
station?
Check the CC-Link IE Controller
Network board settings.
Start
Check the error with referring to "Section
14.4 Flowchart when Data Link Failed".
