Omron Sysmac NY512-1300, User Manual

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7 Tag Data Link Functions
NY-series Industrial Panel PC / Industrial Box PC Built-in EtherNet/IP Port User’s Manual (W563)
7-
3 Lad
d
er Prog
ramm
ing
for T
ag D
at
a L
inks
7
7-3
-2 S
tatus Flags Related to T
ag Dat
a
Links
The status of the tag data links is reflected in the following system-defined variables.
7-3-2 Status Flags Related to Tag Data Links
Variable name Description
_EIP_TargetPLCModeSta[255] (Target PLC
Operating Mode)
* Corresponds to the Controller Operating Flag
in the Controller status.
This variable shows the operating status of the target node
Controllers that are connected with the built-in EtherNet/IP
port as the originator. The information in this area is valid
only when the corresponding Normal Target Node Informa-
tion is TRUE. If the corresponding Normal Target Node Infor-
mation is FALSE, the Target Node Controller Operating
Information indicates the previous operating status.
Array[x] is TRUE: The target Controller with a node address
of x is in operating status.
Array[x] is FALSE: Other than the above.
_EIP_TargetNodeErr[255] (Target Node Error
Information)
* Corresponds to the Controller Error Flag in the
Controller status.
This variable indicates that the connection for the Registered
Target Node Information was not established or that an error
occurred in the target Controller. The information in this area
is valid only when the Registered Target Node Information is
TRUE.
Array[x] is TRUE: The Registered Target Node Information
for a node address of x is TRUE, and the Normal Target
Node Information is FALSE or the Target PLC Error Informa-
tion is TRUE.
Array[x] is FALSE: When the Registered Target Node Infor-
mation for a node address of x is FALSE, or when the Regis-
tered Target Node Information is TRUE, the Normal Target
Node Error Information is TRUE, and the Target PLC Error
Information is FALSE.
_EIP_EstbTargetSta[255] (Normal Target Node
Information)
* This status is not included in the Controller sta-
tus.
This variable gives a list of nodes that have normally estab-
lished EtherNet/IP connections.
Array[x] is TRUE: The connection to the node with a node
address of x is established normally.
Array[x] is FALSE: A connection is not established or an
error has occurred.