• Key Features
  • Standard Features
  • Advanced Features
  • Device Support
  • Protocols / Networks
  • Videos & App Notes
  • Help Files & Release Notes
  • Technical Blog
  • Additional Resources

OPC XML-DA Client Key Features Include

  • Maximum Number of Channels & Devices: 
    • Channels - 128
    • Devices per Channel - 256
    • NOTE: Practical channel/device limits will vary depending on your available system resources
  • Provides a single, reliable connection point to access data from multiple OPC XML-DA servers on local and remote machines
  • Enables optimized performance of OPC XML-DA servers
  • Supports connection monitoring and reconnect behavior for each OPC XML-DA server
  • Allows connectivity to multiple OPC XML-DA servers from clients that do not support multiple connections or handle multiple connections well

Standard OPC XML-DA Client Features Include

  • Connect to Third Party OPC XML-DA Servers or OPC XML-DA capable devices
  • Integrate OPC XML-DA Server information through the TOP Server Namespace
  • Translate OPC XML-DA Server data to any supported TOP Server Client Interfaces
  • HTTPS Security / SSL Encryption
  • User and Password Endpoint Authentication
  • Configurable Port
  • Simultaneous connections to multiple servers

OPC XML-DA Client Driver Advanced Features Include

  • Automatic Tag Database Generation
  • OPC XML-DA Server Keep Alive Setting
  • Configurable Update Rate
  • Configurable Hold Time
  • Configurable Wait Time
  • Data Updates via Exception or Polling
  • Deadband Control (Percent)
  • Configurable read and write request size
  • Configurable read and write timeout
  • Array support for all data types

OPC XML-DA Client Supported Devices

  • Any OPC XML-DA Classic Server

OPC XML-DA Client Supported Protocols / Networks

  • OPC XML-DA Classic

Videos / Guides / App Notes to Help You Get Started

To insure you get the most from your investment in TOP Server™, we provide a variety of application notes/guides and how-to videos, since we know that sometimes it helps to see someone showing you how to do things.

Driver Help Files / Release Notes

Use the below links to access TOP Server release history and driver help documentation.

Access use cases, how-tos and more

Real-world use cases, step-by-step how-to's and video tutorials - our blog contains useful resources and information to help you get connected.

TOP Server Specific Blog Posts

Overall Software Toolbox Blog Posts

Subscribe to Blog

Additional Useful Resources

Access additional TOP Server related information below not covered in other sections:

Get Started Now

The demo is the full product once licensed. Once a client application connects to the  TOP Server, the TOP Server runtime will operate for 2 hours at a time. At the end of the 2 hour demo period, the demo timer must be reset by restarting the TOP Server runtime service.

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