■Backup/restoration target device data
: Available, : Not available
Classification
User device
System device
Module access device (U\G)
Index register
File register
Nesting
Pointer
Constant
*1 Device data may be overwritten depending on the mounting status (I/O refresh) of each module or the refresh settings.
*2 Values may be overwritten to the areas used by the system after the restoration processing.
Restoring or not restoring can be selected with either of SD955 (restoration function setting) or SD9352 (CPU module auto exchange
function setting) .
■Backup/restoration target label data
: Available, : Not available
Classification
Global label (including module labels)
Global label with latch specified
Local label
Local label with latch specified
*1 Device data may be overwritten depending on the mounting status (I/O refresh) of each module or the refresh settings.
*2 For module labels, the write areas from a module to the CPU module may be overwritten when the refresh settings have been made.
Device name
Input
Output
Internal relay
Latch relay
Link relay
Annunciator
Link special relay
Step relay
Timer
Retentive timer
Counter
Long counter
Data register
Link register
Link special register
Special relay
Special register
Module access device
Index register
Long index register
File register
Nesting
Pointer
Interrupt pointer
Decimal constant
Hexadecimal constant
Real constant
Character string constant
Symbol
Backup/restoration possibility
Backup
X
Y
M
L
B
F
SB
S
T
ST
C
LC
D
W
SW
SM
SD
G
Z
LZ
R
N
P
I
K
H
E
Backup/restoration possibility
Backup
22 DATA BACKUP/RESTORATION FUNCTION
*1
Restoration
22
*2
*2
*1
Restoration
*2
167