TOP Server Memory Based OPC Driver Details

Memory Based Key Features Include

• Maximum Number of Channels & Devices: 
  • Channels - 100
  • Devices per Channel - 999
  • NOTE: Practical channel/device limits will vary depending on your available system resources
• Acts as Device database or Memory Map container on the PC
• Retains tag values between server runs
  • V6.15 and higher, user configurable persistence rate from 5 to 60 seconds 

Standard Memory Based Features Include

• Acts as Device database or Memory Map container on the PC, allowing data to be shared with OPC UA, OPC DA, SuiteLink and DDE clients.
• Flexible data types including String Arrays - see PDF help file or help installed with product for full list
• 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.

Memory Based Driver Advanced Features Include

• Supports Item Persistence by retaining tag values between server runs or at a user-configurable persistence rate (V6.15 or newer).
  • When the driver's Item Persistence is activated, all D register addresses and string values will be saved when the OPC server shuts down.
  • The values are restored the next time you open the OPC server project.)

Memory Based Supported Devices (Don't See Your Device Listed?  Contact Us)

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 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
• Memory Based 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