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OPC HDA ActiveX

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If you are a developer creating OPC client applications, Integration Objects´ OPC HDA ActiveX is designed for you. This customizable ActiveX Control implements all required and optional OPC Historical Data Access interfaces for OPC 1.00, 1.10 and 1.20 HDA standards and can be embedded into any Web page or Windows application.

This control handles all OPC and COM details needed to interface with OPC HDA servers and can be embedded in the most popular ActiveX containers. Using this ActiveX custom application, you will be able to access historical data points from any OPC server without being burdened with the details of OPC standards. This easy-to-use tool ensures simplicity, efficiency and flexibility for HDA client application development.


Product Features
  • Listing of all available local or remote OPC HDA servers within the network.
  • Connection to multi local or remote OPC HDA servers at the same time.
  • Browsing of any OPC HDA server address space.
  • Capabilities for synchronous and asynchronous reads of:
    • Raw data
    • Data at time
    • Processed data (such as interpolative, minimum, maximum, average, range and total aggregates)
    • Modified data
    • Item attributes
  • Capabilities for synchronous and asynchronous updates to:
    • Insert / Replace item values
    • Delete Raw
    • Delete at time
  • Synchronous annotations read and insert.

Operating System Compatibility
  • Windows 2000 (SP4)
  • Windows NT4.0 (SP6a)
  • Windows XP

OPC Compatibility
  • OPC Historical Data Access 1.20
  • OPC Historical Data Access 1.10

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