Dual-Channel CAN-Bus Bridge for Rotax iS Engines
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Flybox Dual-Channel CAN Bridge for Rotax iS Engines (Cod. 601080)
The Flybox CAN-BRIDGE (Cod. 601080) is an active digital data bridge designed specifically for Rotax 912iS, 915iS, and 916iS fuel-injected engines on Ultralight, Light Sport (LSA), and Experimental aircraft. By reading both Lane A and Lane B CAN buses while keeping them physically isolated, it sends consolidated engine telemetry safely to single-channel cockpit displays—fully respecting official Rotax installation mandates and eliminating single-point bus failure risks.
Operational Capabilities & System Safety
Active bus management engineered to preserve engine data redundancy:
True Physical Isolation
Maintains independent physical separation between Rotax ECU Lane A and Lane B. Completely prevents a short circuit or transmission lock-up on one CAN channel from corrupting the entire engine instrumentation system.
Single-Channel Conversion
Aggregates and formats dual ECU data into a unified CAN3 output stream, allowing modern single-input EIS displays (such as Flybox Omnia, Vigilus, EngiMaster, and third-party panels) to receive full engine telemetry.
Internal 120Ω Terminations
Features integrated 120-ohm bus termination resistors for CAN1, CAN2, and CAN3. Terminations are engaged simply by bridging designated pins on the 16-pin connector—no loose resistors to solder.
Dedicated RPM Pulse Out
Outputs a robust 30 V / 1 ms tachometer pulse derived directly from the digital ECU telemetry, ideal for operating constant-speed propeller governors or secondary mechanical/analogue round gauges.
Technical Specifications
| Manufacturer Part Number | Cod. 601080 (MOD. CAN-BRIDGE) |
| Product Function | Dual-Channel CAN-Bus Isolator & Aggregator for Rotax iS Engines |
| Engine Compatibility | Rotax 912iS, 912iSC, 915iS, 915iSC, 916iS |
| Operating Voltage Range | 10 V to 30 V DC (Compatible with 12V and 24V aircraft electrical systems) |
| Supply Current | 30 mA typical |
| Input Channels | 2x Independent CAN Inputs (CAN1 from ECU A • CAN2 from ECU B) |
| Output Channels | 1x Unified CAN Output (CAN3) • 1x Tachometer Pulse Output (Pin 2) |
| Internal Terminations | Integrated 120 Ω resistors for CAN1, CAN2, and CAN3 (activated via pin jumpers) |
| RPM Signal Output | 1 ms pulse width, 30 V peak (proportional to engine RPM) |
| Connector Assembly | 16-Pin Molex Mini-Fit Jr. receptacle and crimp terminals included |
| Enclosure Dimensions | 110 mm × 56 mm × 26 mm (with mounting flange) |
| Unit Weight | 80 g |
| Operating Temperature Range | -20°C to +70°C (maximum ambient limit 70°C) |
| Cockpit Display Compatibility | Flybox Omnia, Vigilus EIS, EngiMaster EIS, Eclipse NG, and third-party CAN displays |
| Target Aircraft | Ultralights, Light Sport (LSA), Microlights, and Homebuilt Experimental aircraft |
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Technical Inquiry for Dual-Channel CAN-Bus Bridge for Rotax iS Engines
Confirm wiring loom compatibility, panel depths, or kit lead times with our engineering team.