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

Lufkin Modbus Key Features Include

  • Maximum Number of Channels & Devices: 
    • Channels - 1024
    • Devices per Channel - 2296
    • COM Port Range - 1 to 999
    • NOTE: Practical channel/device limits will vary depending on your available system resources and communications architecture
  • Supports Ethernet Encapsulation via Ethernet/Serial converters, Ethernet Device or Terminal servers
  • Supports user-defined block sizes that are configurable at runtime
  • Supports communications serialization (multiple protocols over same communications link)
  • Modem Support
  • Configurable Inter-Device Delay
  • Configurable Inter-Request Delay

Lufkin Modbus Advanced Features Include

  • Optimization for extreme conditions (noisy communication channels and low bandwidth)
  • Custom Block Size Configuration
  • Configurable Card Item Settings for Dynagraph Data Requests
  • Configurable read delay for dynagraph tags (gives the device time to populate the values before the read is performed)
  • Supports scan mode for controlling client poll rates
  • Serial - Adjustable RTS Flow timing for radios
  • Automatic Tag Database Generation (Card Items Imported from Device - RPC and VSD models only)

Lufkin Supported Devices Include (Don't See Your Device Listed? Contact Us)

  • IWC (Injection Well Controller)
  • PCP (Progressive Cavity Pump)
  • RPC (Rod Pump Controller)
  • VSD (Variable Speed Drive)

Supported Protocols / Networks

  • Protocols:
    • Extended Lufkin Automation Modbus (ELAM)
    • ELAM TCP (enabled via Ethernet Encapsulation)
    • Standard Modbus RTU Serial (used with Lufkin devices with Device IDs 1-247 
  • Networks:
    • Serial RS-232
    • Serial RS-422
    • Serial RS-485
    • Ethernet Encapsulated Serial - for using Ethernet/Serial convertors, Device Servers, or Terminal server hardware from a variety of suppliers.

Available Languages

  • English

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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

Overall Software Toolbox Blog Posts

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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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