Mitsubishi MELSEC QJ71C24, User Manual

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MELSEC-Q
11 TROUBLESHOOTING
Protocol
Error code
(Hexa-
decimal)
Error
Description
Signal
name
Corrective action
MC
Non
Proce-
dure
Bidire-
ctional Pre-
defined
7F91
H
to
7F96
H
7F98
H
to
7F9A
H
7F9D
H
7F9E
H
7FA0
H
to
7FA3
H
7FA8
H
7FAA
H
to
7FAD
H
7FAF
H
to
7FB2
H
7FB5
H
7FB6
H
7FB8
H
to
7FBC
H
7FC0
H
to
7FC4
H
System error
•
The OS of the Q series C24 detected
some error.
⎯
( 1)
7FC8
H
Protocol setting data
error
•
There is an error in the protocol setting
that was edited in GX Configurator-SC
(Pre-defined protocol support function).
•
The protocol setting data written to the
Q series C24N includes unsupported
function data.
•
The protocol setting data written to the
Q series C24N is corrupted.
CHn
ERR.
•
Identify the incorrectly edited protocol in
Protocol setting data error information
(buffer memory: 4086
H
to 4089
H
),
correct the setting data, and write them
again to the Q series C24N.
•
Check the version of the Q series C24N
to confirm the supported functions. Use
the pre-defined protocol function within
the range of supported functions.
•
Write the protocol setting data again to
the Q series C24N, and execute the
CPRTCL instruction.
•
If this error persists even after rewriting,
replace the module.
7FC9
H
to
7FCF
H
System error
•
The OS of the Q series C24 detected
some error.
⎯
( 1)
7FD0
H
to
7FE5
H
Refer to the error code list for use of the modem function, and take corrective action. (Refer to Section 11.2.3.)
7FE6
H
•
Remote passwords do not match.
⎯
•
Check the remote password and
communicate again.
7FE7
H
•
The remote password is not registered.
•
The remote password processing
command was received on the interface
side where the modem function is not
used.
•
The GX Developer connection is
selected in the communication protocol
setting on the corresponding CH.
CHn
ERR.
•
A remote password processing
command is not necessary when a
remote password is not registered.
•
Perform a remote password unlock
processing through GX Developer.
Alternatively, change the
communication protocol setting of the
corresponding CH to the MC protocol.
7FE8
H
Processing disabled
•
The number of remote password
disagreements exceeded the value
designated at the address 200D
H
.
CHn
ERR.
•
Clear the storage area of the
accumulated cout of unlock process
abnormal completion processing
(address: 22FC
H
) to 0.
7FE9
H
Refer to the error code list for use of the modem function, and take corrective action. (Refer to Section 11.2.3.)
7FEF
H
Switch setting error
•
There is an error in the switch setting by
the GX Developer
CHn
ERR.
•
Write CPU to the parameter and reboot
after correcting the setting value for the
switch.