RADIOMASTER Nexus Helicopter Flybarless Flight Controller User Manual

1. Киришүү

This manual provides comprehensive instructions for the installation, operation, and maintenance of the RADIOMASTER Nexus Helicopter Flybarless Flight Controller. Designed specifically for Rotorflight 2.0, the Nexus offers advanced control for various helicopter models. Please read this manual thoroughly before use to ensure proper setup and optimal performance.

2. Негизги өзгөчөлүктөрү

• Rotorflight 2.0 Optimized: Engineered from the ground up for seamless integration with Rotorflight 2.0 flight control software.
• Advanced MCU & Sensor: Equipped with an STM32F722 MCU and a TDK 6-axis MEMS motion tracking device, combining a 3-axis gyroscope and a 3-axis accelerometer for precise flight data.
• Кеңири кабыл алгычтын шайкештиги: Supports various receiver protocols including CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP, DSM2, DSMX, and F PORT.
• Туруктуу энергия менен камсыздоо: Features multiple independent power supplies (1.8V for Gyro, 3.3V for MCU, 5.0V for external interface) to minimize noise.
• Flexible USB-C Connectivity: Includes an ultra-lightweight and flexible USB-C extender cable for convenient access in confined spaces, utilizing silicone wires to reduce vibration transfer.
• Integrated Black Box: A 128Mb onboard flash memory allows for logging flight data, essential for fine-tuning and performance adjustments.
• Secure Receiver Connection: Features a locking connector system compatible with Plug'n'Play solder-free RP3-H ExpressLRS receivers (RP3-H not included) for stable communication.
• Кеңейтүүчү дизайн: Multi-function UART ports are available for future expansion and peripheral integration.
• Туруктуу курулуш: Compact and rugged CNC case provides protection for internal components and acts as a heat sink for thermal management.
• Компакт өлчөмү: Measures 41mm x 25mm x 13mm, suitable for a wide range of helicopter builds (250/450/500/550/600/700 classes).
• Tail Control Support: Supports a broad spectrum of Tail Motors and Tail ESCs (760µs / 1520µs).

3. Продукт бүтүп калдыview

The RADIOMASTER Nexus flight controller features a compact design with clearly labeled ports for easy connection. Below are images illustrating the device and its various connection points.

3.1-сүрөт: Жогорку алдыңкы view of the RADIOMASTER Nexus Flight Controller, showing the main pin headers for S1-S5, TAIL, ESC, RPM, SBUS, and various receiver ports (A-CRSF, B, C, DSM).

3.2-сүрөт: Side view of the RADIOMASTER Nexus Flight Controller, highlighting the USB-C port for configuration and data access, along with receiver ports and main pin headers.

3.3-сүрөт: Бурчтуу жагы view of the RADIOMASTER Nexus Flight Controller, providing a clearer perspective of the various input/output connectors and the robust CNC casing.

3.4-сүрөт: Төмөнкү view of the RADIOMASTER Nexus Flight Controller, displaying regulatory markings such as FCC and CE, along with the "Made in China" label.

4. Орнотуу жана орнотуу

1. Монтаждоо: Securely mount the Nexus flight controller to your helicopter frame. Ensure it is oriented correctly as per the Rotorflight 2.0 software requirements. The compact size (41mm x 25mm x 13mm) allows for flexible placement.
2. Кубат туташуу: Connect the flight controller to your helicopter's power distribution system. The Nexus manages its internal power supplies for the Gyro (1.8V), MCU (3.3V), and external interfaces (5.0V).
3. Алуучу туташуусу: Connect your chosen receiver to the appropriate port on the Nexus. The controller supports a wide range of protocols including CRSF, ELRS, GHOST, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, MSP, DSM2, DSMX, and F PORT. For compatible RP3-H ExpressLRS receivers, utilize the locking connector system for a stable connection.
4. Servo and ESC Connections: Connect your helicopter's servos (cyclic, collective, tail) and Electronic Speed Controllers (ESCs) to the designated S1-S5, TAIL, and ESC pins. Ensure correct polarity and pin assignments. The controller supports 760µs / 1520µs Tail Motors and ESCs.
5. USB туташуу: Use the provided flexible USB-C extender cable to connect the Nexus to a computer. This cable is designed to facilitate access to the USB-C port in various mounting configurations and minimize vibration transfer.
6. Программанын конфигурациясы: Download and install the Rotorflight 2.0 configurator software on your computer. Connect the Nexus and follow the software's instructions for initial setup, calibration, and parameter tuning. Refer to the official Rotorflight 2.0 documentation for detailed software guidance.

5. Операция

Once the Nexus flight controller is installed and configured with Rotorflight 2.0, it is ready for operation. Ensure all pre-flight checks are performed according to your helicopter's specific requirements.

• Учуу режимдери: Utilize the flight modes configured within Rotorflight 2.0 via your radio transmitter.
• Data Logging (Black Box): The integrated 128Mb Black Box automatically logs flight data. This data is crucial for analyzing flight performance and making precise adjustments to PID gains and other parameters in Rotorflight 2.0. Access and download Black Box logs through the Rotorflight 2.0 configurator.
• Мониторинг: Monitor your helicopter's behavior during flight. If any unexpected behavior occurs, land safely and review Black Box data or re-check configurations.

6. Техникалык тейлөө

Proper maintenance ensures the longevity and reliability of your RADIOMASTER Nexus flight controller.

• Физикалык текшерүү: Regularly inspect the flight controller for any signs of physical damage, loose connections, or debris.
• Тазалоо: Keep the unit clean and free from dust, dirt, and moisture. Use a soft, dry cloth for cleaning. Avoid using solvents or harsh chemicals.
• Жылуулук башкаруу: The CNC case aids in heat dissipation. Ensure adequate airflow around the unit, especially during intensive operation.
• Программалык камсыздоонун жаңыртуулары: Periodically check the official RADIOMASTER and Rotorflight 2.0 websites for firmware updates. Keeping the firmware current can improve performance and add new features.

7. Кыйынчылыктарды

This section provides general guidance for common issues. For detailed troubleshooting, refer to the Rotorflight 2.0 documentation and community resources.

• No Power/Indicator Lights:
  • Check all power connections from the battery to the flight controller.
  • Кубат булагынын туура көлөмдү камсыз кылып жатканын текшериңизtage.
• No Connection to Rotorflight 2.0 Configurator:
  • Ensure the USB-C cable is securely connected to both the flight controller and the computer.
  • Башка USB портун же кабелин колдонуп көрүңүз.
  • Verify that the necessary USB drivers are installed on your computer.
  • Restart the configurator software and/or your computer.
• Unstable Flight Behavior:
  • Review Black Box logs for anomalies in sensor data or control inputs.
  • Re-check PID tuning parameters in Rotorflight 2.0.
  • Ensure the flight controller is securely mounted and free from excessive vibrations.
  • Verify all servo and ESC connections are correct and functioning.
• Алуучу жооп бербей жатат:
  • Confirm the receiver is properly bound to your transmitter.
  • Check the receiver's wiring to the flight controller.
  • Ensure the correct receiver protocol is selected in Rotorflight 2.0.

8. Техникалык шарттар

9. Кепилдик жана колдоо

For specific warranty information regarding your RADIOMASTER Nexus Helicopter Flybarless Flight Controller, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. RADIOMASTER is the manufacturer of this product.

For technical support, firmware updates, and additional resources, please visit the official RADIOMASTER website or the Rotorflight 2.0 community forums.