TOP Server OPC DA Client Driver Details

Standard OPC DA Client Features Include

• Single, reliable connection point to access data from multiple OPC servers on local and remote machines
• Search for OPC DA Servers or specify directly
• Connect via Local or InProc methods
• Integrate OPC DA Server information through the TOP Server Namespace
• Translate OPC DA Server data to any supported TOP Server Client Interfaces
• Browse for tags to connect (all versions) with support for filtering & sorting (V6.16 & higher)
• Optimize performance of OPC servers through OPC groupings that may be different than those required or allowed by your clients

OPC DA Client Driver Advanced Features Include

• Connection monitoring and reconnect behaviour can be configured for each OPC Server
• Provides connectivity to remote OPC servers for clients that do not support DCOM
• Allow connectivity to multiple OPC servers from clients that do not support multiple connections or handle multiple connections well
• OPC DA Server Tag Browsing (all versions) with filtering & sorting (V6.16 & higher) - users cautioned about remote OPC DA servers and DCOM hardening -supported but may be limited by your organization's security policies
• Automatic Tag Database Generation from OPC Server
• Allow connectivity to OPC DA servers (local or remote) using different interfaces that are supported by clients (such as DDE, Wonderware SuiteLink, and GE Intelligent Platforms)
• Data Updates via Exception or Polling
• Deadband Control (Percent or Absolute)
• Watchdog Item Callback Monitoring (for integrity of exception/subscription based updates)
• Two-dimension Array Support

OPC DA Client Supported Devices

• OPC DA Servers: 1.0, 2.0, and 3.0

OPC DA Client Supported Protocols / Networks

• OPC Classic Data Access (DA)

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.

• TOP Server Quick Start for OPC DA Client Driver (convert OPC DA to OPC UA)
• TOP Server How-To Videos / Tutorials
• TOP Server How-To Application Notes
• TOP Server Quick Start Guide
• TOP Server Troubleshooting Guide

Driver Help Files / Release Notes

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

• Click for Current/Past Release Notes
• OPC DA Client Help File

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

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Additional Useful Resources

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

• TOP Server Operating System Support Information
• Move Data Without DCOM Using the OPC Secure Tunneling
• Software Toolbox DCOM Tutorial
• OPC Foundation Website