Mitsubishi Electric Melsec Q Series User Manual page 299

9
TROUBLESHOOTING
Error Code
Resource error was detected during read processing on the
E431
H
DP-Slave side.
Resource error was detected during write processing on the
E432
H
DP-Slave side.
E433 The resource is already in use on the DP-Slave side.
H
E434 There is no resource that can be used on the DP-Slave side.
H
The service not available for the specified DP-Slave was
E435
H
requested.
Memories used for request processing are insufficient on the
E436
H
DP-Slave side.
E437 The DP-Slave side made this service invalid.
H
E438 The DP-Slave side did not respond to the request
H
E440 The FDL address of the target DP-Slave is out of the range.
H
The FDL address specified for the target DP-Slave belongs
E441
H
to the local station (QJ71PB92V).
E442 The write data length is incorrect.
H
E443 Write error response
H
E444 The slot number is incorrect.
H
E445 The index is incorrect.
H
E446 The CommRef number is incorrect.
H
Class1 service of Acyclic communication was executed while
E447
H
I/O data exchange is stopped.
A physical execution error detected, or system switching
E450
H
occurred during service execution in the redundant system.
E451 Execution error on the protocol was detected.
H
E452 Execution error on the application was detected.
H
E460 Read error was detected on the DP-Slave side.
H
E461 Write error was detected on the DP-Slave side
H
E462 Module error was detected on the DP-Slave side.
H
E463 Processing on the DP-Slave side is not available
H
E464 Application error was detected on the DP-Slave side.
H
Request-not-supported error was detected on the DP-Slave
E465
H
side.
E466 Incorrect index was detected on the DP-Slave side.
H
E467 Incorrect data length was detected on the DP-Slave side.
H
E468 Incorrect slot number was detected on the DP-Slave side.
H
9.5.3 Error codes E400H to E4FFH (Error codes generated during acyclic communication)
Table9.6 Error codes E400H to E4FFH (Continued)
Error Description
9.5 Error Codes
Error codes E431
Action
Check if the request data supported by the DP-Slave is
correctly set or not, and retry.
For details, refer to the manual for the DP-Slave.
Check if the specified FDL address is correct, and retry.
Check if the specified write data length is correct, and
retry.
Check the detailed error codes 1 to 3 and take corrective
actions.
Check if the specified slot number is correct, and retry.
Check if the specified index is correct, and retry.
Check if the specified CommRef number is correct, and
retry.
Turn ON the Data exchange start request signal (Y00) to
start I/O data exchange.
Verify that the bit corresponding to the DP-Slave is ON in
the Slave status area (Normal communication detection)
(Un\G23040 to Un\G23047) and then retry.
Check the detailed error codes 2 and 3, and take
corrective actions.
Verify that the bit corresponding to the DP-Slave is ON in
the Slave status area (Normal communication detection)
(Un\G23040 to Un\G23047) and then retry.
Check the detailed error codes 2 and 3, and take
corrective actions.
Check the detailed error codes 2 and 3, and take
corrective actions.
Check if the request data supported by the DP-Slave is
correctly set or not, and retry.
For details, refer to the manual for the DP-Slave.
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