Cpu Module Data Backup/Restoration Function - Mitsubishi Electric MELSEC-Q00U(J)CPU User Manual

3.32

CPU Module Data Backup/restoration Function

This function backs up data such as program files, a parameter file, and device data
CPU module to an SD memory card. The data backed up can be restored as necessary.
*1 Except for devices and buffer memory in the intelligent function module
Note 3.20
Backup_CPU Backup_CPU
20151101 20151101
00001 00001
Program memory
Standard ROM
00002 00002
20151102 20151102
The following table lists the backup and restoration methods of the CPU module data backup/restoration function.
Backup function
Restoration function
The restoration function modifies programs, parameters, or device data in the CPU module. After restoration, check the
restored data carefully before an actual operation. (Check the data with an engineering tool or a device monitor.)
Note 3.20
Universal
Only the High-speed Universal model QCPU and Universal model Process CPU support this function. When using the
function, check the version of CPU module used. (
SD memory card
Standard RAM
Device data
Function
Backup by turning on SM1926
Automatic backup using SD910
Restoration by turning on SM1929
Automatic restoration using SD918
*1
CPU module
Program memory
Backup
Standard RAM
Standard ROM
Device data
Restoration
Page 283, Section 3.32.1 (2)
Page 284, Section 3.32.1 (3)
Page 291, Section 3.32.2 (1)
Page 292, Section 3.32.2 (2)
Page 465, Appendix 2)
CHAPTER 3 FUNCTIONS
Note 3.20
including the file register in a
Reference
275
3