Output
variable
Meaning
Data
type
Valid range Unit Description
Busy Executing BOOL TRUE or
FALSE
---
TRUE: Execution processing is in progress.
FALSE: Execution processing is not in progress.
Error Error BOOL TRUE or
FALSE
---
TRUE: Error end
FALSE: Normal end, execution in progress, or ex-
ecution condition not met.
ErrorID Error
Code
WORD 16#0000 to
16#FFFF
--- This is the error code for an error end.
The value is WORD#16#0 for a normal end.
Related Device Variables
Device variable Meaning Data type Reference
EIP_Comm1Status.EstbTar-
getSta
CIP Communications1 Normal Target Node
Information
ARRAY[0..255]
OF BOOL
page 6-26
EIP_Comm2Status.EstbTar-
getSta
CIP Communications2 Normal Target Node
Information
ARRAY[0..255]
OF BOOL
page 6-26
EIP_Comm1Status.Target-
NodeErr
CIP Communications1 Target Node Error In-
formation
ARRAY[0..255]
OF BOOL
page 6-28
EIP_Comm2Status.Target-
NodeErr
CIP Communications2 Target Node Error In-
formation
ARRAY[0..255]
OF BOOL
page 6-28
EIP_Comm1Status.TDLin-
kAllRunSta
CIP Communications1 All Tag Data Link
Communications Status
BOOL page 6-25
EIP_Comm2Status.TDLin-
kAllRunSta
CIP Communications2 All Tag Data Link
Communications Status
BOOL page 6-25
EIP_Comm1Status.TDLink-
RunSta
CIP Communications1 Tag Data Link Com-
munications Status
BOOL page 6-24
EIP_Comm2Status.TDLink-
RunSta
CIP Communications2 Tag Data Link Com-
munications Status
BOOL page 6-25
Related Error Codes
Error code Name Description
0400 hex Input Value Out of Range
• UnitProxy is out of range
• PortNo is out of range
5C00 hex Cannot Execute at Specified
Unit/Port
The EtherNet/IP port designated by the specified Unit and port number does
not exist.
An instruction was executed when execution was not possible.
5C01 hex Too Many Simultaneous In-
struction Executions
Tag data link control instructions (TDLinkStartConnection and TDLinkStop-
Connection) were executed more than the number that can be executed at
the same time.
5C03 hex Target Node IP Address
Does Not Exist
Connection settings with the target node IP address do not exist on the
Ethernet/IP port specified by the specified Unit and port number.
5C04 hex
Connection Communications
Error
Communications can not be established with the target node specified by
target node IP address.
5C05 hex Connection Setting Error An abnormal response from the target node was received.
13 Instructions Specific to NX-series EtherNet/IP Units
13-4
NX-series EtherNet/IP Unit User's Manual (W627)