Gilbarco — Dispenser Twowire Protocol For Third Party Pump Controllers New

Here are the key of the Gilbarco Two-Wire Protocol (often referred to as G-Site or TLS-2 over serial) when used with third-party pump controllers for new installations:

Note: If a pump does not respond within a specific timeout window (usually 50ms–200ms), the Master marks it as "Offline" and proceeds to the next pump.

Typically structured as grade index followed by price per unit (e.g., 4 digits without explicit decimals). C. Authorization Command Here are the key of the Gilbarco Two-Wire

The controller sends a periodic status request to determine the state of the dispenser. The dispenser replies with one of several standard states:

If you want, I can:

What are you using for the controller?

The new third-party controller must correctly interpret the Gilbarco response codes. These codes contain information on: Idle, Authorized, Fueling, Stopped, Finished. Authorization Command The controller sends a periodic status

The Gilbarco Two-Wire protocol is a proprietary serial communication standard designed for data exchange between Gilbarco dispensers and control systems (like POS or forecourt controllers) using a single pair of wires

Gilbarco Two Wire Pump Protocol - TOAZ - INFO | PDF - Scribd These codes contain information on: Idle