Mitsubishi Electric L02SCPU User's Manual And Reference page 188

(2) Execution method
The following two ways are available for backing up data to SD memory card.
• By contacts
• By remote operation
(a) Execution by contacts
Backup is executed by turning on the device specified in the "PLC Module Change Setting" dialog box.
Project window  [Parameter]  [PLC Parameter]  [PLC System]  [PLC Module Change
Setting]
Item
*1
Backup Start Setup Contact
Backup Start Contact
Backup Target Data
Format memory card before
backup
*5
Title Setting
*1 The CPU module enters the STOP status at the rise of the backup start setup contact, the backup start contact cannot
be turned on in the program.
*2 The backup start setup contact and backup start contact cannot be set to the same device.
*3 This indicates the default number of points. The setting range when the internal user device is set to the maximum
number of points (60K points) is M (0 to 61439) and B (0 to 0EFFF).
*4 If data to be backed up is deselected in "Backup Target Data", only device data and system data are backed up.
*5 Title is used for identifying backup data. Settings for the title of the backup data stored in an SD memory card can be
checked on the "Online Data Operation" dialog box with the "Delete" radio button selected.
186
Description
At the rise of the selected device, backup is
ready to start.
At the rise of the selected device, backup
enters execution status.
*4
Select the data to backup.
Select whether to format the SD memory card
before backup.
Set a title to append to the backup data stored
in the SD memory card.
Setting range
*2
Applicable device
• X (0 to 1FFF)
*3
• M (0 to 8191)
*3
• B (0 to 1FFF)
• Program memory (drive 0)
• Standard RAM (drive 3)
• Standard ROM (drive 4)
Format
Not format
32 characters
Default

All drives are backed up.
Not format
Current time is set.
(Example) If data are backed up at
12 p.m. on October 1, 2008,
"20081001200" is set.