Gilbarco Dispenser Twowire Protocol For Third Party Pump Controllers New -

Gilbarco Dispenser Two-Wire Protocol for Third-Party Pump Controllers

Highline-111 / Encore / Eclipse: 5787 bit/sec (Corporate baud rate), 8 Data bits, Even Parity, 1 Stop bit. CRC-16 on each message frame

6. Common Issues in New Integrations

When implementing the Two-Wire protocol on a new third-party controller, watch for: Command Codes : Controllers use specific "Special Function

5. Error Detection

• CRC-16 on each message frame.
• Timeout and retry logic defined for noisy environments.

Command Codes: Controllers use specific "Special Function Commands" (SFC) to manage the pump. For instance: 8 Data bits

• Authorize a specific fueling point (pump/ hose).
• Read real-time volume delivered.
• Read price and transaction status.