it's Just an introduction of OPC UA

1. OPC UA
OLE for Process Control (OPC)

2. Introduction
• OPC Unified Architecture (OPC UA) is standard communication and systems integration paradigm for
industrial Automation (specially M2M),
Without OPC With OPC

3. History
• 1990 Microsoft’s Microsoft’s COM and DCOM
• 1995 Automation vendors form a task force to develop a standard for
data access based on COM and DCOM, and call it OPC(Microsoft Object
Linking & Embedding) for Process Control.
• 2001 OPC Historical Data Access (OPC HDA).
• 2006 OPC UA version came into Picture.

4. Principle of OPC UA
• Unified Access
• Access via Firewalls and across the Internet
• Reliability
• Platform Independence

6. Facts
• OPC UA is NOT A PROTOCOL
• OPC UA is not Replacement of SCADA system
• OPC UA is a CLIENT SERVER architecture

7. Architecture

8. Information model

9. Services

10. Object Model