Mitsubishi Electric MELSEC-Q00U(J)CPU User Manual page 279

No. Folder type
(1) Backup data folder Backup CPU (fixed)
Automatically determined
Folder name format: YYYYMMDD
(2) Date stamp folder
YYYY: Year the data backed up (4 digits)
MM: Month the data backed up (2 digits)
DD: Day the data backed up (2 digits)
Automatically determined
(3) Numbered folder
Folder name: Sequentially numbered
from 00001 to 32767 (5 digits)
Drive 0 (fixed), Drive 3 (fixed), Drive 4
(4) Drive folder
(fixed)
System information
file for CPU module
(5) BKUPINF.QSL
data
backup/restoration
System data file for
(6) CPU module data BKUPDAT.QBK
backup/restoration
Device data file for
(7) CPU module data DEVDATA.QDT
backup/restoration
*1 Folder names of date stamp folders and numbered folders are automatically determined by the CPU module.
*2 The number of storable folders is up to 32767.
*3 The file register (R, ZR), the extended data register (D), and the extended link register (W) are backed up as the file
register file. Also, the local device is backed up as the local device file.
*4 For the modules whose serial number (first five digits) is "18052" or later, the number of folders can be set with SD1928
(Upper limit value setting for the number of backup data). (
Storable number of
Folder name
One
*1
Depends on the
capacity of the SD
memory card used
or 1 to 100 folders
*1 Depends on the
capacity of the SD
memory card used
One each in a
numbered folder
One in a numbered
folder
One in a numbered
folder
One in a numbered
folder
Description
folders
A folder which stores whole backup
data.
Folders which store backup data by
date. As for the upper limit value setting
for the number of backup data, the
number of backup data represents the
*2
,
number of date stamp
*4
folders.(
3.32.1 (1))
Folders which store backup data in
units of 1 backup data. Each backup
data made on the same date is stored
*2
by sequentially numbered folders.
Folders which store files stored in each
drive of a backup source CPU module
by each drive.
Files which store the information
required at a time of restoration, such
as a list of the data to be backed up
and identification information of the
CPU module.
Files which store the following data.
• Data regarding operations of
sampling trace setting at a time of a
backup
• Data regarding operations of data
logging setting
• Data stored to a flash ROM with the
IP address change function
• Error history of a CPU module and
intelligent function module.
Files which store device data at a time
*3
of a backup.
Page 281, Section 3.32.1 (1))
CHAPTER 3 FUNCTIONS
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