Driver Details





TOP Server Fisher ROC Plus

The Fisher ROC Plus Serial Device Driver works in conjunction with our OPC/DDE Server, to provide data exchange between OPC / DDE Clients and ROC Plus protocol devices. No tag count limits or limits on the number of connected OPC clients. The Fisher ROC Plus Serial  OPC Driver is also included in our Oil and Gas OPC Server Suite and the EFM Suite.


Protocols Supported :



  • ROC Plus

Supported Devices

  • ROC809
  • ROC827
  • ROC809L
  • ROC827L

Driver Features:

  • Support for Gas and Liquid (Electronic Flow Measurement) EFM
  • EFM Configuration and Mapping
    • History, including hourly and daily Gas Chromatograph data
    • Batch
    • Liquid Product
    • Alarms
    • Events

Plug-in Driver Features:

  • Supports Ethernet Encapsulation
  • Supports the Automatic Tag Generation
  • feature of KEPServerEX
  • Operator Identification
  • Time Synchronization
  • Modem Support
    • Automatic Dial Configuration
    • Multiple Phone Number Management
  • Read, Write, and Auto Tag Generation of User Program data (User Defined Points)


Channels & Devices Count

  • Channels: 1024
  • Devices per Channel:  255

Advanced Driver Features:

  • Support for ignoring extra bytes received that are not part of ROC communications and are sometimes added by telemetry equipment.
  • Support for ROC Opcode 180 allowing the driver to read multiple TLP and UDPs per read request. (Configurable per individual device)


EFM-Specific Features:
Applicable ONLY when used with the EFM Exporter Plug-In in the EFM Suite

  • EFM Support using the EFM Exporter Plug-In
    • FlowCal CFX (V5 Format)
    • FlowCal CFX for Liquids (V7 Format)
    • PGAS
    •   CSV
  •     EFM Configuration and Mapping
    •         History, including Gas Chromatograph data
        • Hourly
        • Daily
    • Alarms
    • Events
  •     EFM Pointer File cached to disk - eliminates repoll of previously collected EFM data from the device on restart of the server



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