Chapter 10 Opc Ua Server - GE RX3i User Manual

Chapter 10 OPC UA Server

OPC Unified Architecture, or OPC UA, is a communication standard published by the OPC
provide data communications interoperability for industrial automation. This standard specifies client-server
communications with a service-oriented architecture. It is typically used to allow automation controller servers
(such as the PACSystems Controllers) to share process data for the purposes of monitoring, control, supervision,
and logging with Human-Machine Interface (HMI), workstation, alarm system, condition monitoring, and
historian clients.
The embedded OPC UA server provided supports this standard interface to controller data. The
communications mechanism uses standard TCP/IP on the CPE's Embedded Ethernet port. Before getting
started with the OPC UA server, you will want to have an OPC UA client (Proficy CIMPLICITY HMI, for example) to
connect to the OPC UA server.
The following is a high-level list of activities and functionality that is important to understand to startup and use
the OPC UA server.
Application Logic to Control the OPC UA Server

Connect OPC UA Client to the OPC UA Server

OPC UA Client Authentication Settings

OPC UA Address Space

Publish Application Variables to OPC UA Address Space

OPC UA Server Information in Address Space

OPC UA Automatic Restart Function

OPC UA Server Certificates

The sections that follow provide details for each of these topics.
OPC originally meant "Object Linking and Embedding (OLE) for Process Control", but is now said to stand for
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"Open Productivity and Connectivity".
GFK-2224Q January 2017
Foundation to
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