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3 Data Exchange with the CPU Unit
3-26
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
The following device variables for CJ-series Unit are used to reference individual information.
Name of device variables for
CJ-series Unit
Type
R/W
Area
Function
*_UnitErr
BOOL
R
Unit Error
<Operation specifications>
TRUE:
Displays DeviceNet Unit operating errors.
*_UnitErr
(Unit Error) changes to TRUE if
any bit from 01 to 15 in
*_Unit1Sta
(Unit
Status 1) is TRUE (OR information of bits
01 to 15).
Usage example: When you write the pro-
gram for remote I/O communications, use
this bit as an N.C. input condition to con-
trol slave I/O processing.
FALSE:
Indicates that the error did not occur. Or,
changes to FALSE when the error is
cleared.
Default: FALSE
*_MstrFunErr
BOOL
R
Master
Function
Error
<Operation specifications>
TRUE:
Indicates that at least one master error
occurred. Refer to
*_Mstr1Sta
(Master
Status 1).
The master errors are as follows:
•
*_Mstr1VefyErr
(Verification Error)
•
*_Mstr1StruErr
(Structure Error)
•
*_Mstr1IOErr
(Remote I/O Communica-
tion Error)
•
*_Mstr1SListErr
(Invalid Scan List Data
Error)
•
*_Mstr1IORefErr
(Master I/O Refresh
Error)
FALSE:
Indicates that none of above errors
occured. Or, changes to FALSE when all
of above errors are cleared.
Default: FALSE
Содержание CJ1W-DRM21
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