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APPENDICES
A
Appendix 1 Error Codes
Appendix 1.11 Error codes returned to request source during communication with CPU module
408E
H
Other error
• The write step is illegal.
• The program differs from that stored in the
CPU module.
• Write the program after setting the CPU module
to the STOP status.
• The starting position of online program change
is not specified with the correct program step
No. Check whether the programming tool
supports the model and version of the CPU
module that is specified for the project.
• Read the program from the CPU module to
match it with that of the programming tool, and
then execute online change again.
QCPU
LCPU
40A0
H
SFC device
specification
error
A block No. outside the range was specified. Check the setting contents and make a correction.
QCPU
LCPU
40A1
H
SFC device
specification
error
A number of blocks that exceeds the range was
specified.
Check the number of settings and make a
correction.
QCPU
LCPU
40A2
H
SFC device
specification
error
A step No. that is outside the range was
specified.
Check the setting contents and make a correction.
QCPU
LCPU
40A3
H
SFC device
specification
error
Step range limit exceeded
Check the number of settings and make a
correction.
QCPU
LCPU
40A4
H
SFC device
specification
error
The specified sequence step No. is outside the
range.
Check the setting contents and make a correction.
Qn(H)
QnPH
QnPRH
40A5
H
SFC device
specification
error
The specified device is outside the range.
Check the number of settings and make a
correction.
Qn(H)
QnPH
QnPRH
40A6
H
SFC device
specification
error
The block specification pattern and step
specification pattern were wrong.
Check the setting contents and make a correction.
Qn(H)
QnPH
QnPRH
40B0
H
SFC file related
error
The drive (memory) specified in SFC file
operation is wrong.
Check the setting contents and make a correction.
QCPU
LCPU
40B1
H
SFC file related
error
The SFC program specified in SFC file operation
does not exist.
Check the specified file name and make a
correction.
QCPU
LCPU
40B2
H
SFC file related
error
The program specified in SFC file operation is
not an SFC program.
Check the specified file name and make a
correction.
QCPU
LCPU
40B3
H
SFC file related
error
Using online program change of SFC, an attempt
was made to execute rewrite operation of the
"SFC dedicated instruction", such as the "STEP
start instruction or transition start instruction",
that shows an SFC chart. (SFC dedicated
instruction cannot be written during RUN.)
Switch the CPU module to the STOP status, and
write the program.
Qn(H)
QnPH
QnPRH
40B4
H
SFC file related
error
Active blocks cannot be changed or deleted.
After inactivating the target block, change or delete
the block by executing the online change.
QCPU
LCPU
40B5
H
SFC file related
error
The number of SFC steps after the program
modification exceeds the maximum number.
Reduce the number of SFC steps to be added by
executing the online change.
QCPU
LCPU
40B6
H
SFC file related
error
The specified block does not exist.
• Execute the verify with PLC function for the
unedited SFC program and the SFC program in
the CPU module to check for the consistency.
Then edit the SFC program and execute the
online change.
• Edit the SFC program read from the CPU
module by executing the read from PLC
function, and execute the online change.
QCPU
LCPU
40B7
H
SFC file related
error
The online change cannot be executed for the
standby type SFC program.
Execute the online change (SFC inactive block) for
the scan type SFC program.
QCPU
LCPU
40B8
H
SFC file related
error
The device number of the SFC data device is
outside the range.
Review the block data setting.
QCPU
LCPU
40B9
H
SFC file related
error
The modified SFC program is incorrect.
Review the communication route (such as the
cable connection status).
QCPU
LCPU
Error code
(Hexadecimal)
Error item Error details Corrective action
Corresponding
CPU
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