Friday, December 06, 2019
Useful Resources for Brilliant Manufacturing, Operational & Industrial Intelligence Technology Enthusiasts!

Automation, Control & Plant Intelligence - Articles, Analysis, Reviews, Interviews & Views

OPC - OLE (Object Linking and Embedding) for Process Control :: The Industrial Interoperability Standard

OPC
Knowledge Base

Automation Media is dedicated to develop the awareness and understanding about interoperability in automation by providing best information about open specifications that standardize the communication of acquired process data, alarm and event records, historical data, and batch data to multi-vendor enterprise systems and between production devices. Production devices include sensors, instruments, PLCs, RTUs, DCSs, HMIs, historians, trending subsystems, alarm subsystems, and more as used in the process industry, manufacturing, and in acquiring and transporting oil, gas, and minerals.

OPC - What is OPC Client?



A software program that is used to contact and obtain data from a Server software program either on the same computer or on another computer. A client makes a request and the server fulfills the request.

An easy example of a client would be an e-mail program connecting to a mail server or an Internet browser client connecting to a web server.

In the case of OPC,
  • an HMI/SCADA Screens may be a client application that connects to an OPC sever.

  • an HMI/SCADA's Database may be a client application that connects to an OPC sever.

  • OPC Client driver from any vendors may be a client application that connects to an OPC sever. So in this case the OPC Client may be I/O driver that provides the interface and communications protocol between OLE for Process Control servers and your process control software.




  • Free OPC Clients   /   Free OPC Servers   /   Free OPC Utilities


    OPC Foundation owns all OPC trademarks including the OPC logo used throughout this site. Most of information in OPC Knowledge Base is from OPC foundation.
    Free Automation Stuff This information made available on Automation Media, are provided "as is" without any representation or warranty, express or implied, of any kind, including, but not limited to, warranties of merchantability, noninfringement, or fitness for any particular purpose. Automation Meida makes no warranty or representation regarding, and does not endorse, any linked Web sites or the information appearing thereon or any of the products or services described thereon.