Internal Structure Of The Overall Opc Ua Communications System; Overview - Omron NJ501-1300 User Manual

2 Structure of the OPC UA Server
2-1 Internal Structure of the Overall OPC
UA Communications System
This section describes the internal structure of the overall OPC UA communications system with the
NJ-series CPU Units as an OPC UA server.
2-1-1

Overview

An overview of the overall OPC UA communications system is provided below.
The description is given separately for the NJ-series CPU Unit side as a server and the OPC UA client
side.
OPC UA Server Side (CPU Unit Side)
• Set in advance the parameters for communications with the OPC UA client to the CPU Unit from the
Sysmac Studio. There are settings that can be done offline and ones that are only available online.
• Start a communications service that is called OPC UA Server and execute the OPC UA communica-
tions.
OPC UA Client Side
• Connect from the OPC UA client to the CPU Unit as a server.
• Read and write variables in the CPU Unit as a server from the OPC UA client.
Sysmac Studio
Variables
2 - 2
Setting (Offline and Online)
OPC UA server side (CPU Unit)
OPC UA Server
Reading
Settings for communications
and
with clients
writing
OPC UA client side
OPC UA communications
(Connection, reading/writing of
variables, etc.) Connect
via built-in EtherNet/IP port
NJ-series CPU Unit OPC UA User's Manual (W588)