Plc Function Module, Category Name: _Plc; Plc Function Module, Category Name: _Cjb; Functional Classification: I/O Bus Errors; Functional Classification: I/O Bus Status - Omron NJ501-1 Series User Manual

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PLC Function Module, Category Name: _PLC

 Functional Classification: Errors
Variable name Meaning
_PLC_ErrSta PLC Function
Module Error Sta-
tus
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PLC Function Module, Category Name: _CJB

 Functional Classification: I/O Bus Status
Variable name Meaning
_CJB_MaxRackNo Largest Rack
Number
_CJB_MaxSlotNo Largest Slot
Number
 Functional Classification: I/O Bus Errors
Variable name Meaning
_CJB_ErrSta I/O Bus Error
Status
_CJB_MstrErrSta I/O Bus Master
Error Status
_CJB_UnitErrSta I/O Bus Unit Error
Status
_CJB_InRespTm Basic Input Unit
Input Response
Times
NJ-series CPU Unit Hardware User's Manual (W500)
Function
TRUE when there is a Controller error that
involves the PLC Function Module.
FALSE when there is no Controller error that
involves the PLC Function Module.
Refer to information on the meanings of the
error status bits at the end of this appendix for
details.
Function
Contains the largest rack number of the
Expansion Racks that are detected by the
Controller.
Contains one higher than the largest slot
number with a CJ-series Unit on each of the
Racks that are detected by the Controller.
Function
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.
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.
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.
Contains the response times of the Basic
Input Units.
Appendices
Range of
Data type
values
WORD 16#0000 to
16#00F0
Range of
Data type
values
UINT 0 to 3
0: Only CPU
Rack.
ARRAY 0 to 10
[0..3]
0: No CJ-
OF UINT
series Unit
mounted.
Range of
Data type
values
WORD 16#0000 to
16#C0F0
WORD 16#0000 to
16#00F0
ARRAY 16#0000 to
[0..3, 0..9] 16#80F0
OF WORD
ARRAY 0 to 320
[0..3, 0..9]
OF UNIT
Reference
page A-119
Reference
page A-120
page A-120
Reference
page A-120
page A-120
page A-121
page A-121
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