For decades, the fuel retail industry has operated in a state of semi-walled gardens. Major dispenser manufacturers, particularly Gilbarco Veeder-Root, developed proprietary communication protocols that made it notoriously difficult for third-party point-of-sale (POS) systems, fleet fueling managers, and automated tank gauge (ATG) integrators to communicate directly with the dispenser’s hydraulic components.
Enter the renewed focus on the Gilbarco dispenser two-wire protocol. While the physical two-wire loop has existed for years (handling pulser data and sale authorization), a new wave of innovation has arrived. Recent advancements in protocol translation hardware and software are finally cracking the code, allowing third-party pump controllers to leverage this robust, low-latency communication method like never before.
Data Handling: The protocol can handle volume totals in 6-digit formats, often requiring flags to be set if the pump delivers data with specific decimal placements. 4. Implementation for Third-Party Controllers Unlocking the Forecourt: The New Era of Gilbarco
The Gilbarco dispenser two-wire protocol is a significant innovation in fueling technology, enabling seamless communication between fuel dispensers and third-party pump controllers. With its simplicity, reliability, and security features, the protocol is poised to revolutionize the fueling industry, improving efficiency, reducing costs, and enhancing the customer experience. As the fueling industry continues to evolve, the Gilbarco dispenser two-wire protocol will play a critical role in shaping the future of fueling technology.
The protocol uses a multi-drop configuration supporting up to 16 fueling positions (pumps) per communications channel. Baud Rates Locking: The controller must be able to "lock"
Gauge: Minimum 18 AWG for runs up to 1000 feet; 14 AWG for runs up to 2600 feet.
The Master continuously cycles through connected pumps. A typical logic flow is: Data Handling : The protocol can handle volume
Highline-111 / Encore / Eclipse: 5787 bit/sec (Corporate baud rate), 8 Data bits, Even Parity, 1 Stop bit.