■Back up file
No.
File type
(6)
System file for backing up CPU module data
(7)
Backup data file for backing up CPU module
data
(8)
Device/label data file for backing up CPU
module data
(9)
System file for CPU module auto exchange
function
Backup/restoration target data
Backup target data is all target data in the CPU module. (Page 166 Backup/restoration target files)
Restoration target data is set with SD954 (Restoration target data setting). (Page 174 Restoration target data)
■Backup/restoration target drives
Target drives is Drive4 (Data memory).
■Backup/restoration target files
The following table lists backup/restoration target files.
: Available, : Not available
File type
Program
FB files
CPU parameters
System parameters
Module parameters
Module extension parameter
Memory card parameter
Device comments
Device initial values
Event history
Global label settings
Data logging setting file
Memory dump setting file
Remote password
Firmware update prohibited
General-purpose data
■The number of CPU module backup data that can be stored in an SD memory card
The number of CPU module backup data that can be stored in an SD memory card is 32767.
The number of files that can be backed up and restored (the number of backup source data files) depends on the maximum
number of files of the drive. (Page 41 CPU MODULE MEMORY CONFIGURATION)
22 DATA BACKUP/RESTORATION FUNCTION
166
File name
$BKUP_CPU_INF.BSC
BKUP_CPU.BKD
BKUP_CPU_DEVLAB.BKD
$BKUP_CPU_EXCHANGE.DAT
Backup/restoration
Description
Files for storing the information required at restoration of data,
such as a list of backup data and identification information of
the CPU module.
The following data is stored.
• Data on operations of the data logging setting
Device/label data is stored.
Information required for restoration with the CPU module auto
exchange, such as restoration target directory path name,
etc., is stored.