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Overview of Tag Data Links Section 6-1
There are both input and output tag sets. Each tag set can contain only input
tags or only output tags. The same input tag cannot be included in more than
one input tag set.
Number of Tags in Tag
Sets
Each tag set can contain one or more tags.
■ Tag Sets with Only One Tag
With basic Network Configurator procedures, each tag set contains only one
tag.
■ Tag Sets with Multiple Tags
As shown below, tags can be created in groups. Each tag set can contain up
to 8 tags totaling 20 words for the CJ2M or 722 words for other CPU Units.
Tag ii
Tag i
PLC status
EtherNet/IP
Connection
Tag Set (Input Tags)
Tag set name: SP1_IN
PLC status
Tag a
Tag b
Tag c
Tag g
Originator device
Target device
Tag set name: SP1_OUT
Tag Set (Output Tags)
IP address: #
Connection Information
· Target IP address: #
· Originator tag set: SP1_IN
· Target tag set: SP1_OUT
· Packet interval (RPI)
Tag set SP1_IN
(tag a)
EtherNet/IP
I/O memory
CPU Unit
a
b
I/O memory
CPU Unit
c
d
Tag set SP2_IN
(tag d)
Tag set SP1_OUT
(tag c)
Connection
Tag set SP2_OUT
(tag b)
Connection
One tag each
(Each tag is set using a text
string of the network symbol
or I/O memory address.)