A-63
Appendices
NJ-series CPU Unit Software User’s Manual (W501)
A-4 Specifications for Individual System-defined Variables
App
A-4-3 PLC Function Module, Category Name: _CJB
Functional Classification: Auxiliary Area Bits for CJ-series Units
Variable name _CJB_IOUnitInfo
Meaning Basic I/O Unit Information Global/local Global
Function Shows the status of the Basic I/O Unit alarm output (load short-circuit protection).
TRUE: Load short-circuit
FALSE: No load short-circuit
Data type ARRAY [0..3, 0..9, 0..7] OF BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Not published.
Usage in user program Possible. Related instruc-
tions
---
Auxiliary
Area
addresses
Words A50 to A69
Bits A50.00 to A69.15
Variable name _CJB_CBU00InitSta
to
_CJB_CBU15InitSta
Meaning CPU Bus Unit Initializing Flags Global/local Global
Function The corresponding variable is TRUE during initialization of the CPU Bus Unit.
The corresponding variable changes to FALSE when the initialization is completed.
The numbers in the variables indicate the unit numbers of the applicable Units.
Data type BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Published.
Usage in user program Possible. Related instruc-
tions
• ResetUnit
Auxiliary
Area
addresses
Words A302
Bits A302.00 to A302.15
Variable name _CJB_SIO00InitSta
to
_CJB_SIO95InitSta
Meaning Special I/O Unit Initializing Flags Global/local Global
Function The corresponding variable is TRUE during initialization of the Special I/O Unit.
The corresponding variable changes to FALSE when the initialization is completed.
The numbers in the variables indicate the unit numbers of the applicable Units.
Data type BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Published.
Usage in user program Possible. Related instruc-
tions
• ResetUnit
Auxiliary
Area
addresses
Words A330 to A335
Bits A330.00 to A335.15
Variable name _CJB_CBU00Restart
to
_CJB_CBU15Restart
Meaning CPU Bus Unit Restart Bits Global/local Global
Function The CPU Bus Unit is restarted when the corresponding variable changes to TRUE. (It is changed to FALSE by the
system after the CPU Bus Unit is restarted.)
The numbers in the variables indicate the unit numbers of the applicable Units.
If you change the Restart Flag to TRUE with an instruction, the restart process begins from refresh processing in
the next task period.
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