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1-4
Introduction to Communications
Services
1-4-1
CIP (Common Industrial Protocol) Communications Services
Tag Data Links (Cyclic Communications)
A program is not required to perform cyclic data exchanges with other devices on the EtherNet/IP net-
work.
Normally, a connection is started with the target device for each tag set that was created with the Net-
work Configurator to start communications for tag data links for a built-in EtherNet/IP port. One con-
nection is used per tag set.
The maximum number of connections that can be registered is shown below.
• NX701 CPU Unit: 256 connections (total of 512 connections with two ports)
• NX102 CPU Unit: 32 connections (total of 64 connections with two ports)
• NX1P2 CPU Unit: 32 connections
• NJ-series CPU Unit: 32 connections
on page 1-8 for the built-in EtherNet/IP port tag and tag set specifica-
tions.
EtherNet/IP
Tag
ii
Originator device
Target device
Tag
i
Controller Status
Tag set name: SP1_OUT
Tag Set (Output)
Data flow
Connection
Tag
g
Tag
c
Tag
b
Tag
a
Controller status
Tag set name: SP1_IN
Tag Set (Input)
• Packet interval (RPI)
• Originator tag set
• Target tag set
• Target IP address
Connection Information
Note
In this example, a connection is established with the originator’s tag list with tags a to g (inputs), which are
in a tag set called
SP1_IN
, and the target’s tag list with tags i and ii (outputs), which are in a tag set called
SP1_OUT
.
1 Introduction
1-19
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
1-4 Introduction to Communica-
tions Services
1
1-4-1
CIP (Common Industrial Protocol) Communications Services
Summary of Contents for Sysmac NX1P2-10 1 Series
Page 8: ...Manual Structure 6 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 34: ...Revision History 32 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 388: ...9 Socket Service 9 34 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 430: ...12 FTP Client 12 14 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 569: ...I Index I 1 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506 I...
Page 576: ...Index I 8 NJ NX series CPU Unit Built in EtherNet IP Port User s Manual W506...
Page 577: ......