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OPC HDA Client SDK

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Integration Objects´ OPC HDA Client SDK is a Windows DLL (Dynamic Link Library) that implements all required and optional Historical Data Access OPC interfaces for OPC 1.0, 1.10 and 1.20 HDA specifications.

This easy-to-use API ensures simplicity and flexibility of HDA client application development as it easily lets you access data points from any OPC HDA server. Indeed, it effectively helps developers overcome COM and OPC Historical Data Access specification complexities.


Product Features
  • Listing of all local or remote OPC HDA servers available within the network.
  • Simultaneous connection to multi local or remote OPC HDA servers.
  • 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 attribute
  • Capabilities for synchronous and asynchronous updates to:
    • Insert / Replace item values
    • Delete Raw
    • Delete at time
  • An efficient communication interface between the customer application and the Toolkit to exchange data using callbacks.
  • Sample source codes for both MFC and Visual basic client applications
  • Allows you to create OPC HDA Client applications using VB6 and Visual Studio C++ 6

Operating System Compatibility
  • Windows NT4.0 (SP6a)
  • Windows 2000 (SP4)
  • Windows XP (SP1 & SP2)
  • Windows Server 2003 (SP1)

OPC Compatibility
  • OPC Historical Data Access 1.20
  • OPC Historical Data Access 1.10
  • OPC Historical Data Access 1.00

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