5 Understanding Programming
5-52
CJ2 CPU Unit Software User’s Manual
Use the following procedure to set network symbols.
1 Right-click on the global variable table and select Insert Symbol.
Note Network symbols cannot be specified in the local symbol tables.
2 The following New Symbol Dialog Box will be displayed.
Select the Net, Variable Check Box, and then select the Publication, Input, or Output Option, and
then click the OK Button.
A maximum of 48 characters can be used for a network symbol name. The names are not case sensi-
tive.
z Network Symbol Column in Global Symbol Table
Setting Network Symbols
Type of symbol Description
Network symbol
column in global
symbol table
Description
Network symbol Symbols accessible
from outside by using
tags.
Publication • Symbols accessible form outside by
using CIP message communications.
• Tag data links are not supported.
Input • Symbols accessible from outside by
using CIP message communications or
tag data links.
• Symbols for data input (from other CPU
Unit to local CPU Unit) when tag data
links are used.
Output • Symbols accessible from outside by
using CIP message communications or
tag data links.
• Symbols for data output (from local
CPU Unit to other CPU Unit) when tag
data links are used.
Select the Net. Variable
Check Box, and then select
either Publication, Input, or
Output Option.
Make the setting in the Network Symbol Column in the Global Symbol Table.
The symbol that has been set to Publish, Input, or Output will be the network symbol.