3 System-defined Variables Related to the Built-in EtherNet/IP Port
3-12
NJ-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
Variable name _EIP_MacAdrErr
Meaning MAC Address Error Global/local Global
Function Indicates that an error occurred when the MAC address was read at startup.
TRUE: Error
FALSE: Normal
Data type BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Published.
Usage in user program Possible. Related instruc-
tions
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Variable name _EIP_LanHwErr
Meaning Communications Controller Error Global/local Global
Function TRUE: The communications controller failed.
FALSE: Normal
Data type BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Published.
Usage in user program Possible. Related instruc-
tions
---
Variable name _EIP_EtnCfgErr
Meaning Basic Ethernet Setting Error Global/local Global
Function TRUE: The Ethernet communications speed setting (Speed/Duplex) is incorrect. Or, a read operation failed.
FALSE: Normal
Data type BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Published.
Usage in user program Possible. Related instruc-
tions
---
Variable name _EIP_IPAdrCfgErr
Meaning TCP/IP Basic Setting Error Global/local Global
Function TRUE:
• There is an illegal IP address setting.
• A read operation failed.
• The IP address obtained from the BOOTP server is inconsistent.
• The DNS settings are not correct.
FALSE: Normal
Data type BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Published.
Usage in user program Possible. Related instruc-
tions
---
Variable name _EIP_IPAdrDupErr
Meaning IP Address Duplication Error Global/local Global
Function TRUE: The same IP address is assigned to more than one node.
FALSE: Other than the above.
Data type BOOL Range of values TRUE or FALSE
R/W access R Retained Not retained. Network Publish Published.
Usage in user program Possible. Related instruc-
tions
---
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