Applications - Omron CJ1W-C113 - REV 02-2008 Operation Manual

Easy Backup Function (Ver. 2.0 or later)

9-11-2 Applications

File name: BACKUP@@.PRM
Note @@ is the PCU's unit address, that is the unit number + 10 hex.
This is also the file that is read from Memory Card and used for data compari-
son.
CPU
PCU data in
flash memory
Note (1) This function is available only for the Unit combinations marked Yes in the
following table.
CPU Unit
CJ1-H CPU Unit
CJ1 CPU Unit
(2) Do not try to store data in PCU flash memory while data is being backed
up. Otherwise the data will not be backed up correctly and a parameter
corrupted error (error code: 0001) will be displayed when you try to re-
store the data (i.e., read it from Memory Card).
(3) Data in flash memory can be backed up even if it is corrupted. However,
a parameter corrupted error (error code: 0001) will be displayed when
you try to restore the data (i.e., read it from Memory Card).
Use the easy backup function to back up data for the entire PLC, including the
CPU Unit, MC Units, DeviceNet Units, and Serial Communications Units/
Boards, or to prepare backup data when Units are being replaced.
Memory Card power supply switch
CPU Unit
All data
• Backup
• Restore
• Compare
CJ1W-NC113/213/413/133/
233/433 Ver. 2.0 or later
Yes
No
Section 9-11
Memory Card
PCU
CJ1W-NC113/213/413/133/
233/433 Ver. 1.0
No
No
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