CAN Bus Bridge
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Flybox CAN Bus Bridge / Isolator Module
The Flybox CAN Bus Bridge is an intelligent dual-channel avionics network gateway and galvanic isolator designed for Ultralight, Light Sport (LSA), and Experimental aircraft. Engineered to link distinct digital networks—such as bridging Rotax iS engine ECUs to Flybox glass cockpits—it filters telemetry, translates baud rates, and isolates sensitive flight displays from inductive electrical noise and bus faults.
Network Reliability & Avionics Protection
Why an isolated CAN bridge is essential for modern electronically controlled cockpits:
Galvanic Fault Isolation
Electrically decouples the engine ECU and high-power servo channels from the main instrument bus. Prevents ground loops, alternator voltage spikes, and starter surges from damaging flight deck processors.
Baud Rate & Protocol Gateway
Translates and buffers telemetry packets across busses running at mismatched speeds (e.g. 250 kbps engine ECU data linked to a 500 kbps or 1 Mbps glass cockpit flight bus) without packet loss.
Bus Traffic Filtering
Selectively filters high-frequency raw broadcast traffic, forwarding only relevant engine and air data parameters to keep primary flight computers responsive and prevent bus saturation.
Fault Containment
Contains wiring faults to their respective branch. If a severed wire or short occurs on an actuator or engine harness, the bridge prevents the fault from crashing the primary PFD network.
Technical Specifications
| Product Role | Dual-Channel CAN Bus Bridge / Gateway & Electrical Isolator |
| Avionics System Compatibility | Flybox Eclipse NG, Flybox Vigilus EIS, Flybox EngiMaster EIS, and Oblò PFD |
| Operating Voltage Range | 10 V – 30 V DC (12 V and 24 V aircraft electrical systems) |
| CAN Channels | 2x Independent High-Speed CAN ports (CAN 1 & CAN 2) |
| Protocol Standards | ISO 11898 • CAN 2.0A (Standard 11-bit) & CAN 2.0B (Extended 29-bit) |
| Galvanic Isolation | Up to 1 kV galvanic isolation between ports |
| Supported Baud Rates | 125 kbps, 250 kbps, 500 kbps, and 1 Mbps (independent per port) |
| Termination Provision | Integrated/configurable 120 Ω bus termination resistors |
| Operating Temperature Range | -20°C to +85°C (cockpit and avionics sub-panel rated) |
| Target Aircraft | Ultralights, Light Sport (LSA), Microlights, and Homebuilt Experimental aircraft |
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Technical Inquiry for CAN Bus Bridge
Confirm wiring loom compatibility, panel depths, or kit lead times with our engineering team.