Variable name Meaning Function Data type
Range of
values
Reference
_EIP2_EtnOnlineSta Port2 Online Indicates that the built-in EtherNet/IP
port's communications can be used via
the communications port 2 (that is, the
link is ON, IP address is defined, and
there are no errors.)
TRUE: The built-in EtherNet/IP port’
s
communications can be used.
FALSE: The built-in EtherNet/IP port’s
communications is disabled due to an er-
ror in initial processing, restart process-
ing, or link OFF status.
Note You can use this system-de-
fined variable only for the
NX701 CPU Units and NX102
CPU Units.
BOOL TRUE or
FALSE
page 3-52
_EIP_TDLinkRunSta Tag Data Link Com-
munications Status
NX-series CPU Units: Indicates that at
least one connection is in normal opera-
tion in CIP communications 1.
TRUE: Normal operation
F
ALSE: Other than the above.
NJ-series CPU Units: Indicates that at
least one connection is in normal opera-
tion.
TRUE: Normal operation
FALSE: Other than the above.
BOOL TRUE or
FALSE
page 3-52
_EIP1_TDLinkRun-
Sta
CIP Communica-
tions1 T
ag Data Link
Communications Sta-
tus
Indicates that at least one connection is
in normal operation in CIP communica-
tions 1.
TRUE: Normal operation
FALSE: Other than the above.
Note You can use this system-de-
fined variable only for NX-ser-
ies CPU Units.
BOOL TRUE or
FALSE
page 3-52
_EIP2_TDLinkRun-
Sta
CIP Communica-
tions2 T
ag Data Link
Communications Sta-
tus
Indicates that at least one connection is
in normal operation in CIP communica-
tions 2.
TRUE: Normal operation
FALSE: Other than the above.
Note You can use this system-de-
fined variable only for the
NX701 CPU Units and NX102
CPU Units.
BOOL TRUE or
FALSE
page 3-53
_EIP_TDLinkAllRun-
Sta
All Tag Data Link
Communications Sta-
tus
NX-series CPU Units: Indicates that all
tag data links are communicating in CIP
communications 1.
TRUE: T
ag data links are communicating
in all connections as the originator.
FALSE: An error occurred in at least one
connection.
NJ-series CPU Units: Indicates that all
tag data links are communicating.
TRUE: Tag data links are communicating
in all connections as the originator.
FALSE: An error occurred in at least one
connection.
BOOL TRUE or
FALSE
page 3-53
3 System-defined Variables Related to the Built-in EtherNet/IP Port
3-23
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
3-2 System-defined Variables
3
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