Omron CJ1W-DRM21 - Page 138

3 Data Exchange with the CPU Unit
3-62
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 variable for
CJ-series Unit
Type R/W Area Function
*_Nd0Err
to
*_Nd63Err
BOOL R Slave Error
for node
addresses
0 to 63
<Operation specifications>
TRUE:
Indicates that a remote I/O communica-
tions error occurred with the correspond-
ing slave.
More specifically, this bit changes to
TRUE when at least one of the following
errors occurs:
• *_Mstr1VefyErr (Verification Error)
• *_Mstr1StruErr (Structure Error)
• *_Mstr1IOErr (Remote I/O Communica-
tion Error)
FALSE:
Indicates that none of the above errors
occured. Changes to FALSE when the
error is clear.
Default: FALSE
*_Nd0VefyErr
to
*_Nd63VefyErr
BOOL R Slave Verifi-
cation Error
for node
addresses
0 to 63
<Operation specifications>
TRUE:
Indicates that the data for the slave regis-
tered in the scan list is different from the
actual Slave.
FALSE:
Indicates that a verification error did not
occur. Changes to FALSE when a verifica-
tion error is cleared.
Default: FALSE
<Operation conditions>
It occurs with the scan list enabled.
*_Nd0CfgErr
to
*_Nd63CfgErr
BOOL R Slave Con-
figuration
Error for
node
addresses
0 to 63
<Operation specifications>
TRUE:
Indicates that I/O allocations cannot be
made with the scan list disabled.
FALSE:
Indicates that a structure error did not
occur. Changes to FALSE when a struc-
ture error is cleared.
Default: FALSE