Omron CJ Series Operation Manual page 284

Appendices
Communication Error Messages
The table below lists the Error messages related to CX-Server communication between the PROFIBUS
Master Unit DTM and the CPU.
Number
50 Communication Failure with
Unit
A-18
Message
The communication between the PC
and the Unit on the CPU could not be
achieved.
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Description
• Ensure there are no problems with
the connection between the Per-
sonal Computer and the CPU.
• Ensure the Master Unit has been
correctly mounted - Refer to section
2-2 Installing the PROFIBUS Mas-
ter Unit for detailed information.
• Make sure the Device settings are
correct.
• Perform one of the following suc-
cessfully to confirm the problem has
been solved:
Settings tab
Diagnostics, clearing error log).
Correction
* Download configuration
* Communication Test in Device
* Update monitoring data (Slave