Omron NJ Series User Manual

Appendices
A-34
NJ-series CPU Unit Software User’s Manual (W501)
 Functional Classification: I/O Bus Status
 Functional Classification: I/O Bus Errors
A-3-3 PLC Function Module, Category Name: _CJB
Variable name Meaning Function Data type
Range of
values
Reference
_CJB_MaxRackNo Largest Rack
Number
Contains the largest rack number of the
Expansion Racks that are detected by the
Controller.
UINT 0 to 3
0: Only CPU
Rack.
page A-61
_CJB_MaxSlotNo Largest Slot
Number
Contains one higher than the largest slot
number with a CJ-series Unit on each of the
Racks that are detected by the Controller.
ARRAY
[0..3]
OF UINT
0 to 10
0: No CJ-
series Unit
mounted.
page A-61
Variable name Meaning Function Data type
Range of
values
Reference
_CJB_ErrSta I/O Bus Error
Status
Gives the I/O bus error status.
Note Do not use this variable in the user pro-
gram. There may be a delay in updating
it. Use this variable only to access sta-
tus through communications from an
external device. Refer to information on
the meanings of the error status bits at
the end of this appendix for details.
WORD 16#0000 to
16#C0F0
page A-62
_CJB_MstrErrSta I/O Bus Master
Error Status
Gives the I/O bus master error status.
Note Do not use this variable in the user pro-
gram. There may be a delay in updating
it. Use this variable only to access sta-
tus through communications from an
external device. Refer to information on
the meanings of the error status bits at
the end of this appendix for details.
WORD 16#0000 to
16#00F0
page A-62
_CJB_UnitErrSta I/O Bus Unit Error
Status
Gives the error status of the I/O Bus Unit.
Note Do not use this variable in the user pro-
gram. There may be a delay in updating
it. Use this variable only to access sta-
tus through communications from an
external device. Refer to information on
the meanings of the error status bits at
the end of this appendix for details.
ARRAY
[0..3, 0..9]
OF WORD
16#0000 to
16#80F0
page A-62
_CJB_InRespTm Basic Input Unit
Input Response
Times
Contains the response times of the Basic
Input Units.
ARRAY
[0..3, 0..9]
OF UNIT
0 to 320 page A-62

Omron NJ Series Specifications

General

Brand	Omron
Model	NJ Series
Category	Controller
Language	English