Gilbarco Dispenser Twowire Protocol For Third Party Pump Controllers New [updated] Guide

When connecting a new third-party controller to Gilbarco dispensers (models: Encore 300, 500, 700, or legacy E系列), follow the terminal mapping below:

To manage this, a is almost always required. This device sits between the third-party controller and the Gilbarco dispenser, converting the PC's standard RS-232 or USB signals into the 20mA current loop signals that the dispenser understands. Many modern interfaces feature a USB port and appear as a Virtual Serial COM Port to the host system, making them compatible with microcomputers like a Raspberry Pi for custom integration projects. When connecting a new third-party controller to Gilbarco