7 AnyWireASLINK
7.4 Backing up/Restoring Data of Devices Supporting iQSS
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7
Considerations for data backup/restoration
■
Use of an SD memory card
• During a data backup or restoration, do not perform the following actions: turning OFF the power, resetting a module, and
inserting or removing an SD memory card. Otherwise, for the data backup, data that was backed up until the data backup
processing was interrupted retains in the SD memory card. As for the data restoration, data that was restored until the data
restoration was interrupted retains in the device supporting iQSS.
• If the memory size or the number of files exceeds the maximum storage capacity of an SD memory card during the data
backup, only the data that has been properly backed up will be stored in the SD memory card.
■
Concurrent use of other functions
While any of the following operations or functions are being performed, backup/restoration cannot be performed.
Additionally, the following operations and functions cannot be performed during data backup/restoration.
When data is backed up or restored during a data logging or the realtime monitor function, the performance of the data
logging or the data sampling for the realtime monitor will be reduced.
Therefore, sampled data may be partially missed and the data missing frequency may be increased.
Operation/function name
Operation with an engineering tool
Initializing the CPU built-in memory/SD memory card
Clearing values (file register)
Writing data to a programmable controller (including online change of files)
Deleting data in the programmable controller
User data operation
Writing user data
Deleting user data
Creating a folder
Deleting a folder
Changing a folder name
Online change (ladder block)
Event history function (clearing event history)
File password function
Predefined protocol support function (writing protocol setting data)
Memory dump function (registering/clearing memory dump)
Operations with CPU Module Logging
Configuration Tool
Data logging function (writing/deleting a logging setting file, registering/clearing a logging setting)
Deleting logging file(s)
Others
• SLMP
• MC protocol
Creating a new file (New File)
Writing data to a file (Write File)
Deleting a file (Delete File)
Copying a file (Copy File)
Changing a file attribute (Change File State)
Changing file creation date (Change File Date)
File transfer from an Ethernet-equipped
module (FTP server)
Writing a file (put, mput, pm-write)
Deleting a file (delete, mdelete)
Changing a file name (rename)
Changing a file attribute (change)
File transfer function (FTP server) of the built-in Ethernet function
File transfer function (FTP client) of the built-in Ethernet function
CPU module data backup/restoration function
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