New OPC Initiatives XML and Data Access 3.0

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New OPC InitiativesXML and Data Access 3.0

• OMAC User Group Meeting
• February 2, 2000
• Don Holley

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OPC Leverages Commercial Technology to Provide
Industry-Standard Connectivity

• OPC is based on Microsoft technology
• Windows DNA for Manufacturing
• COM DCOM
• ActiveX
• Most successful COM based industry initiative
• Addresses discrete and process manufacturing
  applications
• Worldwide industry-standard
• Supported by 250 companies
• 450 OPC products shipping

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Why Do We Need OPC?
Display Application
Trend Application
Report Application
Software Driver
Software Driver
Software Driver
Software Driver
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OPC Interface Solves the Problem
OPC
OPC
OPC
OPC
Software Driver
Software Driver
Software Driver
Software Driver
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OPC Current Technology

• Todays OPC Specifications
• Data Access 2.0
• Alarm and Events 1.0
• Historical Data Access 1.0
• OPC Work in Progress
• Batch
• Security
• Compliance
• Windows CE
• Java
• White paper

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OPC Foundation New Initiatives

• OPC XML Working Group
• Chair is Al Chisholm Intellution
• OPC Data Access 3.0 Working Group
• Chair is Don Holley National Instruments

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Data Access 3.0 Versus XMLApplication Focus
X M L
Loosely Coupled Systems
D A 3 0
Tightly Coupled Systems
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OPC XML Working Group

• Al Chisholm

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A Logical Progression

• COM works extremely well between applications on
  a local node.
• DCOM works well between nodes on a LAN
• XML works well on Intranets, Internets and non NT
  platforms as well as with middle upper level
  applications (SAP, ORACLE, etc)

Application
OPC-XML
OPC-XML
Application
OPC-COM
OPC-COM
Measurement Control Devices
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The OPC XML Mission

• To develop flexible, consistent rules and formats
  for exposing plant floor data using XML
• To continue to enable interoperability of
  applications and data sharing between automation
  and enterprise systems
• To leverage the work done by Microsoft and others
  on Biztalk.
• To provide samples and examples as needed to help
  vendors understand and leverage this technology.

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OPC XML Working Group Status
The first OPC XML working group meeting will be
held in the Boston area on March 28 and 29,
2000. Contact Al Chisholm achisholm_at_intellution.co
m
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OPC Data Access 3.0 Working Group

• Don Holley

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The OPC Data Access 3.0 Mission

• The OPC TSC established the Data Access 3.0
  Working Group with a goal to achieve the
  following objectives
• Extend Data Access 2.0 to address
• Reading and Writing Complex Data Types
• Invoking Commands
• OPC Data Access 2.0 Enhancements
• Evaluate Proposal to Address SoftPLC
  Application Requirements with Data Access 3.0
• Small Footprint
• No Memory Allocation
• Very High Performance
• Simple to Implement

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OPC Complex Data Problem
How to support advanced measurement devices,
industrial networks and factory automation
equipment whose data is not well represented by
standard OPC data types?
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Applications Requiring Complex Data Type Support

• DCS, PLCs Fieldbuses
• CNC and Robotics
• Continuous Gauging
• Vibration Monitoring
• Machine Vision

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OPC DA 3.0 Working Group Status

• Action Items from Initial Meeting
• Develop User Scenarios
• Review Existing and Emerging Specifications for
  Information

The next OPC DA 3.0 working group meeting will be
held in Austin, TX on April 4 and 5,
2000. Contact Don Holley don.holley_at_ni.com
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For more information...

• www.opcfoundation.org
• www.opceurope.org
• www.microsoft.com/japan/PARTNERS/industry/OPChome.
  HTM