Device & Data Integration
HMI/SCADA Add-Ins
Industrial DataOps
TOP Server DDE Client Bridge OPC Driver
Reliable OPC client access to legacy DDE server applications
The TOP Server® DDE Client Driver provides a communication interface to existing DDE server applications with the same level of performance, stability and ease of configuration as any other TOP Server driver.
This driver provides data exchange between OPC UA, OPC DA, SuiteLink and any DDE server application that supports Microsoft standard DDE. Do you have existing software drivers in your facility that use DDE to interface to other applications and you need to connect them to the latest software using the OPC specification to connect to drivers ? If so, this product provides a solution. You can give your existing DDE applications new life by putting this bridge in front of them, saving you the expense and engineering time of replacing them with new applications. Data acquisition is optimized based on upstream client demand while data integrity is ensured using extensive error handling.
NOTE: Special considerations are required when using DDE depending on the operating system where TOP Server is installed. Please select one of the following options that corresponds to your operating system for additional details. Note that it's possible your IT department has disabled DDE.
Windows XP / Server 2003 Operating Systems
Windows 7 and Newer Operating Systems
Available here as a standalone real-time data driver or also available in the following vertical Industry Suite:
TOP Server DDE Client Bridge Driver
$1846
$
Part # 41233153-N
Delivery Methods: CD or Online
Availability: 0 to 1 Business Days
Perpetual License to use the server and drivers in this suite on a single computer with no artificial limits on number of devices, tags, or connected client applications. Includes 1 yr support & maintenance agreement.
FEATURES & RESOURCES
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Key Features
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Standard Features
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Advanced Features
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Device Support
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Protocols / Networks
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Available Languages
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Videos & App Notes
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Help Files & Release Notes
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Technical Blog
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Additional Resources
DDE Client Bridge Key Features Include
- Maximum Number of Channels & Devices:
- Channels - 1
- Devices per Channel - 1
- NOTE: Practical channel/device limits will vary depending on your available system resources and communications architecture
- Can be used with any DDE server that supports standard Microsoft DDE (CF TEXT DDE data format)
- Addressing uses familiar "ApplicationName| TopicName ! ItemName" method for DDE server data.
- All major data types are supported
- String array support for XLTable format type
- OPC Compliance Tested
- OPC Interoperability Tested
Standard DDE Client Bridge Features Include
- Address format: "ApplicationName| TopicName ! ItemName"
- All major data types are supported
- TOP Server Built-In Features:
- Multi-threaded architecture for high scalability
- Runtime changes via wizard-based configuration interface with intuitive Properties Editor
- Secure User Management
- Built-in Device/Network Redundancy
- Auto-Demotion (Slow Polling)
- Extensive communication and server diagnostics (OPC / Communications / Event Log)
- For all TOP Server built-in features, click here.
DDE Client Bridge Advanced Features Include
- DDE Link can be reinitialized via built-in Reintialization tag.
- String array support for XLTable format type
- This driver uses "hot links", where a DDE server passes data to the driver only when the data value has changed. (This provides a significant performance advantage over the alternative request/response loop approach, since each DDE transaction is relatively time consuming.)
- This driver will automatically reconnect when DDE servers are brought back on-line.
- Clients may reside on remote machines and communicate with this driver via OPC or NetDDE. (Note: The current version of this driver cannot access data from DDE servers running on remote machines.)
Supported Devices Include (Don't See Your Device Listed? Contact Us)
- Any DDE server that supports standard Microsoft DDE
Supported Protocols / Networks
- Dynamic Data Exchange (DDE)
TOP Server How-To Videos and Application Notes
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
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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