Appendices
A-18
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
The table below lists the Error messages related to CX-Server communication between the PROFIBUS
Master Unit DTM and the CPU.
Communication Error Messages
Number Message Description Correction
50 Communication Failure with
Unit
The communication between the PC
and the Unit on the CPU could not be
achieved.
• 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:
* Download configuration
* Communication Test in Device
Settings tab
* Update monitoring data (Slave
Diagnostics, clearing error log).
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