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OPC Data Client

OPC Data.NET

OPC Data.NET is a 100% managed .NET tool for developing OPC DA and A&E clients, with native support for both 32 and 64 bit operating systems, primarily targeted for development in Visual Studio 2008 and later. The component can be used in a variety of languages from C#, Visual Basic.NET, and managed C++. Windows Forms, ASP.NET pages, console applications, and WPF applications are all supported

Contains two main classes:

  • EasyDAClient: primary .NET class which includes properties, methods, and events for most common OPC Data Access & XML-DA functions.
  • EasyAEClient: primary .NET class which includes properties, methods, and events for most common OPC Alarms and Events functions.
OPCDataNET_DA-A&E_400W_285H

Helper Classes allow the user to fine tune various settings in the application such as:

  • read and write call timeouts
  • item, server, and topic hold periods
  • managing request and response queue sizes
  • preference for synchronous or asynchronous communications
  • the acceptable time range for the age of the value
  • and more

Live Binding Model provides a point-and-click method for binding OPC DA tags directly to form controls for rapid, codeless development.

  • Automatically read, write, or subscribe to tags on project start up
  • Read or write tags on an event
  • Display other tag properties such as timestamps, qualities, and even errors. 

WinForm components:  Drag and drop components onto your form for even more rapid client  development. Components are available to allow you to automatically:

  • Browse for computers on the network
  • Browse for OPC DA, XML-DA or A&E Servers on a specified computer
  • Browse for OPC DA or XML-DA items or properties
  • Browse for OPC A&E areas, attributes, or categories

Features & Benefits

  • Easy to Learn
  • Robust
  • Scalable
  • Free Code Samples
  • 100% managed code
  • Connect 1 to N OPC Servers
  • Read or Write 1 to N number of tags
  • Programatically/Graphically browse servers
  • Optimized for maximum performance
  • Ability to create reusable logical objects to represent plant equipment or processes with Live Data Mapping
  • Customizable event-log for troubleshooting
     
  • Easy to Implement
  • Easy Deployment
  • Extensive Help
  • Tested at OPC Interop for quality
  • Support for Native x86 and x64 applications
  • Read/Write 1/many Tags in a single instruction
  • Programmatically/Graphically browse Tags
  • Ability to communicate natively to OPC DA, XML-DA or A&E servers.
  • Codeless development option with Live Data Binding
  • Customizable time-out settings

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