Forecourt Device Controller Specification

A Forecourt Device Controller (FDC) is a software application that interfaces to forecourt devices (e.g., fuel dispenser, tank gauge, car wash, price pole) in a retail petroleum location.  The FDC Specification replaces proprietary protocols that exist between the Point of Sale (POS) and forecourt devices and allows a POS to use standard messaging to interface to the FDC, which provides for device control and enables exchange of device status and data.  A standard interface eliminates the need to implement multiple protocols and/or determine the model/version of a particular forecourt device.  This reduces complexity and therefore reduces the cost of development, maintenance, and validation.

The FDC Specification includes XML schema for communication between a Forecourt Device Controller and one or more POS systems including messages to:

  • Provide logical device states to inform about the current condition of a device;
  • Provide information about and allow configuration of a device and its settings (e.g., fueling limits, service modes, prices);
  • Allow for control of a device (e.g., reserve or authorize a dispenser, obtain a carwash code);
  • Provide data reporting from a device (e.g., tank levels); and
  • Provide information about state changes and alarms through unsolicited messages

This global specification is built on a previous version of the IFSF FDC standard, adding adaptions for use in North America, while simplifying the associated schema.


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