Mitsubishi Electric MELSEC iQ-R Series User Manual page 315

Process cpu module

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Table of Contents

■Backup/restoration target label data

: Available, : Not available

Classification

Global label (including module labels)

Global label with latch specified

Local label with latch specified

*1 For module labels, data may be overwritten to the write areas from a module to the CPU module when the refresh settings have been

*2 Device data may be overwritten depending on the mounting status (I/O refresh) of each module or the refresh settings.

Progress of the backup/restoration processing

The progress of the backup/restoration processing can be checked in SD1350 (Number of uncompleted folders/files of CPU

module data backup/restoration) or SD1351 (Progression status of CPU module data backup/restoration). However, the

progress of the automatic restoration cannot be checked with the special register.

Special register

*1 When program files are restored, the progress in SD1351 stops while data is being written to the program memory in the restoration

processing because the data is transferred from the program cache memory to the program memory. The progress of data transfer to

the program memory can be checked in SD629 (Program memory write (transfer) status).

Displays the number of remaining backup/restoration target folders and files.

• When the backup/restoration processing is started, the total number of backup/restoration folders and files is

• When the backup/restoration processing is completed, 0 is stored.

Displays the progress of the backup/restoration processing in percentage (0 to 100%).

22 CPU MODULE DATA BACKUP/RESTORATION FUNCTION

Troubleshooting