Omron NX102-12 Series User Manual

9-3
Overview of Built-in EtherNet/IP Port
Socket Services
9-3-1
Overview
Socket services on the built-in EtherNet/IP port are used to exchange data between Controllers and
general-purpose applications that do not support CIP message communications.
The Controller requests the socket service from the user program.
At th
e Controller, socket instructions can
be executed in the user program to
directly use UDP or TCP to exchange
data with the host computer.
Built-in EtherNet/IP port
Data
At the host, system calls of sockets, e.g.,
from a C language interface library, can
be used to directly use TCP/IP or UDP/IP
to access Controller data.
General purpose (non-CIP communications) application
Intranet
Ethernet
Overview of Socket Services with Socket Service Instructions
You can use socket services by executing socket service instructions.
The maximum total number of UDP and TCP sockets that you can use is given in the following table.
UDP/TCP
Maximum number of sockets
NX-series CPU Unit NJ-series CPU Unit
NX102 Other than NX102
Unit version 1.00
to 1.02
Unit version 1.03
or later
UDP socket service Total of 60 sockets Total of 30 sockets Total of 16 sockets Total of 30 sockets
TCP socket service
9-3-2
Procedure
1 Make the settings that are required for socket services.
Refer to 9-4 Settings Required for the Socket Services
on page 9-11.
↓
2 Execute the socket service instructions from the user program.
Refer to 9-5 Socket Service Instructions
on page 9-12.
9 Socket Service
9-10
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)

Omron NX102-12 Series Specifications

General

Brand	Omron
Model	NX102-12 Series
Category	Controller
Language	English