Omron NJ-series User Manual page 413

9 Backup Functions
Related System-defined Variables
The system-defined variables that are related to the operation when system-defined variables are used
to restore data are shown below. Refer to A-4 Specifications for Individual System-defined Variables for
details on system-defined variables.
Variable name
Member name
_Card1BkupCmd*
ExecVefy*
CancelVefy*
DirName*
_Card1VefySta*
Done*
Active*
VefyRslt*
Err*
_BackupBusy
* You cannot access these system-defined variables from the user program.
Additional Information
Refer to A-8 Registering a Symbol Table on the CX-Designer for the procedure to register these
system-defined variables in the variable table of the CX-Designer when you connect an NS-
series PT to the NJ-series Controller.
9-22
Meaning
SD Memory Card
Backup Commands
Execute Verify Flag Change this variable to TRUE to compare the
Controller data to a backup file in the SD Mem-
ory Card.
Cancel Verify Flag Change this variable to TRUE to cancel com-
paring the Controller data to a backup file in the
SD Memory Card.
Directory Name Use this variable to specify the directory name
in the SD Memory Card for which to back up
data.
SD Memory Card Ver-
ify Status
Done Flag TRUE when a verification is completed.
Active Flag TRUE when a verification is in progress.
Verify Result Flag TRUE if the data was the same. FALSE if differ-
ences were found.
Error Flag TRUE when processing a verification ended in
an error.
Backup Function TRUE when a backup, restoration, or verifica-
Busy Flag tion is in progress.
Function
_sBKUP_CMD
BOOL
BOOL
STRING(64)
_sVEFY_STA
BOOL
BOOL
BOOL
BOOL
BOOL
NJ-series CPU Unit Software User's Manual (W501)
Data type R/W
RW
RW
RW
RW
R
R
R
R
R
R