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Appendix
A-3
Error Messages - Communication
The table below lists the Error messages related to CX-Server communication between the PROFIBUS Master
Unit DTM and the PLC.
18
Slave/Master DTM does not
accept the specified address.
The DTM has not accepted the new
address setting. Possible cause is
that the slave DTM data set has
been locked for parameter changes.
19
Master Unit version and DTM ver-
sion do not match. Please select
DTM that can be used with the
connected device [xxxx].
The selected DTM is not suitable to
configure the connected PROFIBUS
Master.
Please use the DTM as specified in
the error message.
Number
Message
Description
Correction
50
Communication Failure with Unit
The communication between the PC
and the Unit on the PLC could not be
achieved.
• Ensure there are no problems
with the connection between the
Personal Computer and the PLC.
• Ensure the Master Unit has been
correctly mounted. 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).
51
Communication Failure with PLC
The communication between the PC
and the PLC could not be achieved.
• Ensure there are no problems
with the connection between the
Personal Computer and the PLC.
• Make sure the Device Settings
are correct.
• When problem has been
removed, disconnect and re-con-
nect. Perform one of the following
successfully to confirm the prob-
lem has been solved:
* Update monitoring data (Slave
Diagnostics, clearing error log).
* Changing the master state
Number
Message
Description
Correction