8 Backup Operations
8-4
CJ2 CPU Unit Hardware User’s Manual
z Restrictions
The following restrictions apply.
• Forced Status
Forced status cannot be restored. If you attempt to restore forced status, the address of the force-
set/reset bits will be displayed in the log display area. Use the CX-Programmer or Switch Box to man-
ually force-set/reset the displayed bits.
• Data Stored in EM File Memory (Part of the EM Area Converted to File Memory)
EM file memory cannot be compared or resorted.
EM file memory backups are saved in the CPU\EM_FILES Folder that will be created within the
backup file destination folder. Restore EM file memory manually by using the PLC Memory Card Win-
dow in the CX-Programmer to write the data to memory.
• Restrictions in Comparing and Restoring I/O Memory
The CIO Area and Auxiliary Area data in the I/O memory cannot be compared or restored.
An overview of the PLC Backup Tool is provided below. For details on specific procedures and func-
tions, refer to the CX-Programmer Operation Manual (Cat. No. W446).
z Starting the PLC Backup Tool
Either of the following methods can be used to start the PLC Backup Tool.
•Select PLC Backup Tool from the CX-Programmer Tools Menu.
•Select Programs
−
OMRON
−
CX-One
−
CX Programmer
−
PLC Backup Tool from the Windows
Start Menu.
The PLC Backup Tool Dialog Box will be displayed.
8-2-2 PLC Backup Tool Operations
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