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

Enron Modbus Key Features Include

  • Maximum Number of Channels & Devices: 
    • Channels - 1024
    • Devices per Channel - 255
    • COM Port Range - 1 to 999
    • NOTE: Practical channel/device limits will vary depending on your available system resources and communications architecture
  • Configurable Modbus Data Encoding Settings for maximum flexibility
  • Supports user-defined block sizes that are configurable at runtime
  • Supports communications serialization (multiple protocols over same communications link)
  • Support for zero-based archives (for use with Fisher ROC devices)
  • Support for Extended Stations IDs (device IDs above 255)
  • Configurable to include Hex FF before the Extended Station ID in requests.
    • Some RTUs (Schneider Electric SCADAPacks) require this for successful communications to a device configured to use Extended Station ID (above 255)
  • Configurable addressing - flexible support for users with devices not adhering to standard Enron address extensions

Standard Enron Modbus Features Include

Enron Modbus EFM Suite Only Features Include

  • EFM Support using the EFM Exporter Plug-In (EFM Suite Only):
    • FlowCal CFX (V5 & V8 Gas)
    • FlowCal Transaction Queue
    • PGAS
    • CSV
    • SQL / ODBC Databases
  • Support for hourly history, daily history, alarms, and events
  • Support for configuring historical event date formats for compatibility with ABB and Daniels gas chromatographs
  • Support for FP and U32 data types
  • Enable/Disable Clearing Cache on Next Upload (editable via system tag)
  • EFM Configuration and Mapping (EFM History / EFM Alarm / EFM Event)
  • EFM Pointer File caching to disk (eliminates repoll when server is restarted)
  • Pointer Rollback capability for retrieving lost EFM data from a device
  • Time synchronization on EFM poll, user-specified interval, or time of day

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

  • Devices supporting the Enron Modbus protocol including but not limited to:

    • Schneider SCADAPack
    • ThermoScientific AutoPilot Pro
    • ThermoScientific AutoEXEC
    • Eagle Research XARTU
    • Cameron Nuflo Scanner 2000/2200
    • Bristol ControlWave

Supported Protocols / Networks

  • Protocols:
    • Enron Modbus (including Extended Device ID addressing)
  • Networks:
    • Serial RS-232 / 422 / 485
    • Ethernet Encapsulation

Available Languages

  • English

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