Omron CJ1W-EIP21 User Manual

7 Tag Data Link Functions
7-70
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
 Programming Example to Detect Normal Operation
The following programming can be used to confirm that normal communications are being per-
formed for each target node. If the Controller status is included in the tag data, the status of the Con-
troller can also be detected.
• Programming Example 1 to Detect Normal Operation
• Programming Example 2 to Detect Normal Operation
Online
(*_ETNOnlineSta)
Normal Target Node
Table (#1)
*_EstbTargetSta[1]
Normal Target Node
Table
(#2)
*_EstbTargetSta[2]
Target Node PLC Operating
Flags (#2)
*_TargetPLCMdSta[2]
Target Node PLC Operating
Flags (#1)
*_TargetPLCMdSta[1]
Target Node PLC Error
Flags (#1)
*_TargetPLCErr[1]
Target Node PLC Error
Flags (#2)
*_TargetPLCErr[2]
Node 1 data
link operation
normal
Node 2 data
link operation
normal
Node 1 data
link operation
normal
Data link
operation
normal
Target Node PLC Error
Flags (#1)
*_TargetPLCErr[1]
All Tag Data Links Operating
*_TDLAllRunSta
Online
(*_ETNOnlineSta)
Target Node PLC Operating
Flags (#1)
*_EstbTargetSta[1]
Node 2 data
link operation
normal
Target Node PLC Error
Flags (#2)
*_TargetPLCErr[2]
Target Node PLC Operating
Flags (#2)
*_EstbTargetSta[2]

Omron CJ1W-EIP21 Specifications

General

Brand	Omron
Model	CJ1W-EIP21
Category	Controller
Language	English