CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 34
CJ1W-EIP21
Manufacturer Part Number
CJ1W-EIP21
Description
Ethernet I/P Module
Manufacturer
Omron
Datasheet
1.CJ1W-EIP21.pdf
(469 pages)
Specifications of CJ1W-EIP21
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Communications Services Overview
1-4
CIP (Common Industrial Protocol) Communications Services
6
CS1W-EIP21
CJ1W-EIP21
CJ2H-CPU@@-EIP
Total size of all tags ≤
184,832 words
Maximum size of 1 tag ≤ 722
words
(The maximum size is 721
words when the tag set
includes the PLC status.)
Number of registrable tags ≤
256
Communications Services Overview
Tags
CJ2M-CPU3@
Total size of all tags ≤ 640
words
Maximum size of 1 tag ≤ 640
words
(The maximum size is 639
words when the tag set
includes the PLC status.)
Number of registrable tags ≤
32
Refer to the CX-Integrator Operation Manual (Cat. No. W464) for information
on the CX-Integrator.
The following communications services are supported.
1) Tag Data Links (Cyclic Communications)
A program is not required to perform cyclic data exchanges with other devices
in the EtherNet/IP network.
Normally, the tag data links in an EtherNet/IP Unit or built-in EtherNet/IP port
are started by grouping the tags created with the Network Configurator into a
tag set, and establishing a connection with the target device using that group
of tags. One connection is used per group (tag set). Up to 32 connections for
the CJ2M-EIP21 and up to 256 connections for other CPU Units) can be reg-
istered.
The following table gives the tag and tag set specifications.
*1 Unit version 2.0: 20 words maximum.
*2 Unit version 2.0: 19 words maximum.
EtherNet/IP Unit or
built-in EtherNet/IP port
CS/CJ-series CPU Unit
*1
*2
Routing Table Area
CS1W-EIP21
CJ1W-EIP21
CJ2H-CPU@@-EIP
Maximum size of 1 tag set ≤
722 words
(The maximum size is 721
words when the tag set
includes the PLC status.)
Number of tags per tag set ≤ 8
(7 tags/tag set when the tag set includes the PLC status)
Note Input and output variables cannot be combined.
Number of registrable tag
sets ≤ 256
Personal computer
running Windows
CX-Integrator
Tag sets
Routing table
settings
CJ2M-CPU3@
Maximum size of 1 tag set ≤
640 words
(The maximum size is 639
words when the tag set
includes the PLC status.)
Number of registrable tag
sets ≤ 32
*1
Section 1-4
*2
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