Futaba FUTM0855
Futaba SBS-01V External Voltage Sensor Instruction Manual
Model: FUTM0855
Introduction
The Futaba SBS-01V External Voltage Sensor is designed for use with Futaba Telemetry systems. This sensor provides real-time voltage readings of the connected item, capable of measuring two distinct types of voltage. It is an essential component for monitoring power levels in your remote-controlled applications.

Image: The Futaba SBS-01V External Voltage Sensor, showing its compact black housing, twisted red and black wires for voltage input, and a standard Futaba telemetry connector for output. A fuse and heat shrink tube are included for installation.
Package Contents
- Futaba SBS-01V Voltage Sensor
- Fuse
- Heat Shrink Tube
- Instruction Manual (this document)
Setup and Installation
Proper installation of the SBS-01V sensor is crucial for accurate voltage monitoring and safe operation. Follow these steps carefully:
- Identify Connection Points: Determine the voltage source you wish to monitor. This could be a main flight battery, receiver battery, or other power source within your model.
- Connect to Telemetry System: Plug the three-wire connector of the SBS-01V sensor into an available S.BUS2 port on your Futaba telemetry-compatible receiver (e.g., R7008SB, R7003SB). Ensure the polarity is correct.
- Connect Voltage Input: The two loose wires (typically red and black) are for voltage input. Connect these wires directly across the terminals of the battery or power source you intend to monitor.
- Red Wire: Connect to the positive (+) terminal of the voltage source.
- Black Wire: Connect to the negative (-) terminal of the voltage source.
- Install Fuse: For protection, it is highly recommended to install the included fuse in series with the positive (red) wire of the voltage input. Use the heat shrink tube to insulate the fuse connections after soldering or crimping.
- Secure the Sensor: Mount the SBS-01V sensor securely within your model using double-sided tape or a suitable mounting method, ensuring it is protected from vibrations and potential damage.
- Power On: Power on your receiver and transmitter. The sensor should be automatically recognized by your Futaba telemetry system.
Note: Always double-check all connections before powering on your system to prevent damage to the sensor or other components.
Operating Instructions
Once the SBS-01V sensor is installed and connected, you can access its data through your Futaba telemetry-compatible transmitter (e.g., 18MZ, 14SG).
- Access Telemetry Menu: On your Futaba transmitter, navigate to the telemetry menu. The exact steps may vary slightly depending on your transmitter model, but generally involve pressing a dedicated telemetry button or accessing a menu option.
- Sensor Registration: If the sensor is not automatically detected, you may need to register it manually within the telemetry menu. Refer to your transmitter's instruction manual for specific sensor registration procedures.
- View Voltage Data: Once registered, the SBS-01V sensor's voltage data will be displayed on your transmitter screen. You can typically configure the display to show real-time voltage readings.
- Set Alarms: Most Futaba telemetry transmitters allow you to set low-voltage alarms. It is highly recommended to set an alarm threshold appropriate for your battery type (e.g., 3.4V per cell for LiPo batteries) to prevent over-discharge.
- Consult your battery manufacturer's specifications for safe minimum voltage levels.
- Data Logging: Some transmitters support data logging, allowing you to record voltage data over time for later analysis.
For detailed instructions on operating your specific Futaba transmitter's telemetry features, please refer to its dedicated instruction manual.
Maintenance
The Futaba SBS-01V sensor is designed for durability and requires minimal maintenance. However, periodic checks can ensure its longevity and reliable performance:
- Inspect Wiring: Regularly check all wires and connectors for signs of wear, fraying, or damage. Ensure connections are secure and free from corrosion.
- Check Fuse: If the sensor stops reporting voltage, check the fuse for continuity. Replace with a fuse of the same rating if blown.
- Clean Sensor: Keep the sensor unit clean and free from dust, dirt, and moisture. Use a soft, dry cloth for cleaning. Avoid using solvents or harsh chemicals.
- Environmental Protection: Ensure the sensor is not exposed to extreme temperatures, direct sunlight, or excessive moisture during operation or storage.
Troubleshooting
If you encounter issues with your SBS-01V External Voltage Sensor, consider the following troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| No voltage reading on transmitter. |
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| Inaccurate voltage readings. |
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| Sensor not recognized by transmitter. |
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Specifications
| Feature | Detail |
|---|---|
| Model Number | FUTM0855 |
| Compatibility | Futaba Telemetry Systems (e.g., 18MZ, 14SG) with S.BUS2 |
| Function | External Voltage Sensor (measures two types of voltage) |
| Dimensions (L x W x H) | 6.25 x 3.5 x 0.25 inches (approximate) |
| Weight | 0.353 ounces (approximate) |
| Manufacturer | Hobbico Inc (for Futaba) |
| First Available Date | April 24, 2013 |
Warranty Information
For specific warranty terms and conditions regarding the Futaba SBS-01V External Voltage Sensor, please refer to the warranty documentation provided with your original purchase or visit the official Futaba website. Warranty coverage typically addresses manufacturing defects and material flaws under normal use.
Support and Contact
If you require further assistance, technical support, or have questions not covered in this manual, please contact Futaba customer support or your authorized Futaba dealer.
Futaba Official Website: www.futabarc.com (Please check the website for the most current contact information and support resources.)
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