3 System-defined Variables Related to the Built-in EtherNet/IP Port
3-8
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
_EIP2_MacAdrErr Port2 MAC Address
Error
Indicates that an error occurred when the
MAC address was read on the communi-
cations port 2 at startup.
TRUE: Error
FALSE: Normal
Note You can use this system-defined vari-
able only for the NX701 CPU Units.
BOOL TRUE or
FALSE
page 3-38
_EIP_LanHwErr
Communications Con-
troller Error
NX-series CPU Units: Indicates that a
communications controller failure
occurred on the communications port 1.
TRUE: Failure
FALSE: Normal
NJ-series CPU Units: Indicates that a
communications controller failure
occurred.
TRUE: Failure
FALSE: Normal
BOOL TRUE or
FALSE
page 3-38
_EIP1_LanHwErr
Port1 Communica-
tions Controller Error
Indicates that a communications controller
failure occurred on the communications
port 1.
TRUE: Failure
FALSE: Normal
Note You can use this system-defined vari-
able only for NX-series CPU Units.
BOOL TRUE or
FALSE
page 3-38
_EIP2_LanHwErr
Port2 Communica-
tions Controller Error
Indicates that a communications controller
failure occurred on the communications
port 2.
TRUE: Failure
FALSE: Normal
Note You can use this system-defined vari-
able only for the NX701 CPU Units.
BOOL TRUE or
FALSE
page 3-39
_EIP_EtnCfgErr
Basic Ethernet Setting
Error
NX-series CPU Units: Indicates that the
Ethernet communications speed setting
(Speed/Duplex) for the communications
port 1 is incorrect. Or, a read operation
failed.
TRUE: Setting incorrect or read failed
FALSE: Normal
NJ-series CPU Units: Indicates that the
Ethernet communications speed setting
(Speed/Duplex) is incorrect. Or, a read
operation failed.
TRUE: Setting incorrect or read failed
FALSE: Normal
BOOL TRUE or
FALSE
page 3-39
_EIP1_EtnCfgErr
Port1 Basic Ethernet
Setting Error
Indicates that the Ethernet communica-
tions speed setting (Speed/Duplex) for the
communications port 1 is incorrect. Or, a
read operation failed.
TRUE: Setting incorrect or read failed
FALSE: Normal
Note You can use this system-defined vari-
able only for NX-series CPU Units.
BOOL TRUE or
FALSE
page 3-39
Variable name Meaning Function Data type
Range of
values
Reference
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