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Appendices
NJ-series CPU Unit Software User’s Manual (W501)
A-3 System-defined Variables
App
A-3-1 System-defined Variables for the Overall NJ-series Controller (No Category)
Variable name
Meaning Function Data type
Range of
values
Reference
Member name
_Card1BkupCmd
(Ver.1.03)
SD Memory Card
Backup Com-
mands
_sBKUP_
CMD
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ExecBkup Execute Backup
Flag
Change this variable to TRUE to back up Con-
troller data to an SD Memory Card.
Note You cannot use this system-defined
variable in the user program. Use it in
CIP message communications when
sending a command from an HMI or
host computer.
BOOL TRUE or
FALSE
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CancelBkup Cancel Backup
Flag
Change this variable to TRUE to cancel back-
ing up data to an SD Memory Card.
Note You cannot use this system-defined
variable in the user program. Use it in
CIP message communications when
sending a command from an HMI or
host computer.
BOOL TRUE or
FALSE
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ExecVefy Execute Verify
Flag
Change this variable to TRUE to compare the
Controller data to a backup file in the SD
Memory Card.
Note You cannot use this system-defined
variable in the user program. Use it in
CIP message communications when
sending a command from an HMI or
host computer.
BOOL TRUE or
FALSE
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CancelVefy Cancel Verify
Flag
Change this variable to TRUE to cancel com-
paring the Controller data to a backup file in
the SD Memory Card.
Note You cannot use this system-defined
variable in the user program. Use it in
CIP message communications when
sending a command from an HMI or
host computer.
BOOL TRUE or
FALSE
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DirName Directory Name Used to specify the directory name in the SD
Memory Card for which to back up or verify
data.
Note You cannot use this system-defined
variable in the user program. Use it in
CIP message communications when
sending a command from an HMI or
host computer.
STRING(64) Depends on
data type.
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