Omron CJ2 CPU UNIT SOFTWARE User Manual

5-51
5 Understanding Programming
CJ2 CPU Unit Software User’s Manual
5-5 Symbols
5
5-5-5 Network Symbols (CJ2H-CPU6@-EIP and CJ2M-CPU3@ Only)
Tags can be used from exterior devices to access the I/O memory of the local CPU Unit through the
network symbols defined in the CPU Unit. The CJ2 CPU Units have an internal tag name server that
can convert network symbols to actual I/O addresses, and so it is possible to access the CPU Unit's I/O
memory from the outside by using tags to access network symbols.
Network symbols can be used for the following applications.
• Data links with other PLCs on EtherNet/IP
• Tag access from outside with host or PT.
Set the network symbols in the global symbols tables of the CX-Programmer.
Additional Information
Refer to the EtherNet/IP Units Operation Manual (Cat. No. W465) for the procedures to create
tag data links.
5-5-5 Network Symbols (CJ2H-CPU6@-EIP and CJ2M-CPU3@ Only)
Overview
D100 &200
D200 &500
aa D100 WORD
bb D200 WORD
CJ2 CPU Unit
NS-series PT
PLC
Host computer
Access from
outside by
using tags
Name: aa
Data: &200
Tag name server for network symbols
Name Address Data type
Network Symbol
Publication
INPUT
Address D100
I/O Memory
&200
Address
Data

Omron CJ2 CPU UNIT SOFTWARE Specifications

General

Brand	Omron
Model	CJ2 CPU UNIT SOFTWARE
Category	Software
Language	English