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6.30.2 Backup data restoration function
This function restores data backed up to a memory card to the CPU module.
(1) Methods
(a) Restoration from GX Developer
Select [Online]
After selecting "Execute" on the screen above and powering off and then on the CPU module or reset the CPU
module, the restored data become valid.
(b) Automatic restoration
Select "Auto restore at turn OFF
parameter dialog box. (
After data are backed up and the CPU module is powered off and then on or is reset, restoration automatically
starts.
Also, items shown in Table6.56 can be set by the option setting.
Option setting item
Restore for the first time only
*1 *2
Restore every time
*1: This setting is valid only when backup data are stored to the ATA card or SRAM card.
Note if the write protect switch of the SRAM card is set to be valid (write protection), the setting does not
become valid and the data are restored even after the first time ("RESTORE ERROR" (error code: 2226)
occurs).
*2: When using the FLASH card, restoration can be performed even after the first time.
*3: Restoration after the first time can be performed from GX Developer.
Data are restored at initial processing after the CPU module is powered off and then on or is reset.
After restoration, powering off and then on the CPU module or resetting the CPU module again is not required
to change the operating status to the one set with the RUN/STOP/RESET switch.
If a memory card needs to be changed after restoration, turn on SM609 (Memory card remove/insert enable
flag) and change the memory card after SM600 (Memory card usable flags) turns off.
[PLC module change]
[Restore...].
Figure 6.121 Restore screen
ON" in "PLC module change setting" in the PLC system tab of the PLC
Section 6.30.1(1)(a))
Table6.56 Option setting items
The CPU module is powered off and then on or is reset
First time
Restored
Restored
After the first time
Not restored (The CPU module operates the memory card as
*3
usual.)
Restored
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