174
(4) Causes of a backup error
If backup was not completed, a diagnostic error is not detected. In that case, the error cause is stored in SD689
and the error response is returned to the programming tool.
*1 Only when data are backed up using contacts.
*2 Only when data are backed up by remote operation.
*3 Only when data area backed up from another boot source.
*4 Only when data area backed up from the same boot source.
SD689
(Backup error
factor) value
Error
response
number
Error cause
100
H
*1
41FE
H
*2
• Backup started without an SD memory card inserted or without the SD memory card lock switch slid down.
• Backup preparation or backup started while an SD memory card is disabled by SM606 (SD memory card forced
disable instruction).
200
H
⎯ Size of data to be backed up exceeds the capacity of the SD memory card inserted.
300
H
⎯ Write protection has been set to the SD memory card.
400
H
⎯ Writing data to the SD memory card was not completed.
500
H
⎯ Reading data from a drive storing backup data was not completed. (program memory read error)
503
H
⎯ Reading data from a drive storing backup data was not completed. (standard RAM read error)
504
H
⎯ Reading data from a drive storing backup data was not completed. (standard ROM read error)
510
H
⎯ Reading data from a drive storing backup data was not completed. (system data read error)
600
H
*1
4335
H
*2
Backup preparation started while latch data were being backed up to the standard ROM.
601
H
*1
410A
H
*2
Backup preparation started while data were being written in the RUN status.
602
H
*1
4336
H
*2
Backup preparation started while a FTP client is connected to the CPU module in FTP connection.
603
H
*1
4276
H
*2
Backup preparation started during data logging.
⎯
4082
H
*3
,
4330
H
*4
Backup preparation or backup started while another backup was in execution.
⎯
4333
H
*2
Backup started while the CPU module was in "Before backup start" (SD690 = 0).
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