Chapter 15 Cpu Module Data Backup/Restoration Function - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

15
CPU MODULE DATA BACKUP/RESTORATION
FUNCTION
RnPCPU RnPCPU
RnCPU RnENCPU
(Process) (Redundant)
• This function cannot be used in the R00CPU, R01CPU, and R02CPU.
This function backs up data such as program files, a parameter file, and device/label data
memory card. The data backed up in the SD memory card can be restored as required.
*1 Module access devices and buffer memory are excluded.
SD memory card
$MELPRJ$
Backup
CPU
20160101
00001
Program memory
Data memory
00002
20160102
The following table lists the backup and restoration methods of the CPU module data backup/restoration function.
Function
Backup function
Restoration function
The restoration function modifies programs, parameters, or device/label data of the CPU module. After
restoration, check the restored data carefully before an actual operation. (Check the data with an engineering
tool.)
When using the CPU module data backup/restoration function, check the versions of the CPU module and
engineering tool used. ( Page 1008 Added and Enhanced Functions)
RnPSFCPU RnPSFCPU RnSFCPU RnSFCPU
(Standard) (Safety) (Standard) (Safety)
Device/label memory
Device/label data
Backup processing triggered by turning on
SM1351
Automatic backup using SD944
Restoration processing triggered by turning on
SM1354
Automatic restoration using SD955
*1
CPU module
Backup
Program memory
Device/label memory
Restoration
Data memory
Device/label data
Reference
Page 272 Backup processing triggered by turning on
SM1351
Page 273 Automatic backup using SD944
Page 281 Restoration processing triggered by turning on
SM1354
Page 282 Automatic restoration using SD955
15 CPU MODULE DATA BACKUP/RESTORATION FUNCTION
of a CPU module to an SD
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