3 System-defined Variables Related to the Built-in EtherNet/IP Port
Variable name
Meaning
_EIP_TDLinkErr
Tag Data Link Com-
munications Error
_EIP1_TDLinkErr
CIP Communica-
tions1 Tag Data Link
Communications
Error
_EIP2_TDLinkErr
CIP Communica-
tions2 Tag Data Link
Communications
Error
3-14
Function
NX-series CPU Units: Indicates that a tim-
eout occurred in a tag data link connection
for CIP communications 1.
TRUE: A timeout occurred.
FALSE: Other than the above.
NJ-series CPU Units: Indicates that a tim-
eout occurred in a tag data link connec-
tion.
TRUE: A timeout occurred.
FALSE: Other than the above.
Indicates that a timeout occurred in a tag
data link connection for CIP communica-
tions 1.
TRUE: A timeout occurred.
FALSE: Other than the above.
Note You can use this system-defined vari-
able only for NX-series CPU Units.
Indicates that a timeout occurred in a tag
data link connection for CIP communica-
tions 2.
TRUE: A timeout occurred.
FALSE: Other than the above.
Note You can use this system-defined vari-
able only for the NX701 CPU Units.
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
Range of
Data type
values
BOOL
TRUE or
FALSE
BOOL
TRUE or
FALSE
BOOL
TRUE or
FALSE
Reference
page 3-46
page 3-46
page 3-46