Manualer+

WITMOTION HWT905-TTL

WITMOTION HWT905-TTL MPU-9250 9-akset accelerometer, hældningsmåler, brugermanual

1. Introduktion

This manual provides detailed instructions for the setup, operation, and maintenance of the WITMOTION HWT905-TTL MPU-9250 9-Axis Accelerometer Inclinometer. This industrial-grade sensor integrates a gyroscope, accelerometer, and digital compass, offering high-precision attitude measurement with Kalman filtering and temperature and magnetometer compensation.

2. Produktet er slutview

Nøglefunktioner

  • Høj ydeevne: Provides 3-axis XYZ (Pitch, Roll, Yaw) Acceleration, Gyro, Angle, Magnetic field, and Quaternion data output. Measurement range and output rate (0.2-200Hz) are selectable.
  • Robust design: Features a 32-bit processor, SCA3300 temperature-compensation MEMS module, and military-grade RM3100 magnetometer-compensation chip for reliable performance in demanding environments.
  • Industrielt hældningsmåler: Achieves angle measurement accuracy of 0.05 degrees (X, Y-axis), with low drift for the Z-axis angle, automatic data correction, and high signal-to-noise immunity.
  • Avancerede algoritmer: Integrates R&D dynamic fusion algorithms and Kalman Filtering, ensuring stable data output, excellent bias stability, and low noise levels for enhanced measurement accuracy.
  • IP67 vandtæt: Designed with IP67 protection for resistance against water and dust ingress.

Komponenter

The HWT905-TTL sensor includes:

  • MPU-9250 9-axis sensor module
  • 32-bit processor for high-speed data processing
  • SCA3300 MEMS module for temperature compensation
  • RM3100 chip for magnetometer compensation
WITMOTION HWT905-TTL MPU-9250 9-Axis Accelerometer Inclinometer sensor module.
Figure 2.1: HWT905-TTL Sensor Module.
Diagram illustrating the 32-bit MCU processor integrated into the sensor for high-performance data processing.
Figure 2.2: 32-Bit MCU Processor.
Diagram showing the embedded Murata SCA3300 MEMS chip for temperature compensation.
Figure 2.3: SCA3300 MEMS Chip for Temperature Compensation.
Diagram highlighting the RM3100 magnetic chip designed to defy magnetic interference.
Figure 2.4: RM3100 Magnetometer Compensation Chip.
Image depicting the IP68 waterproof and anti-seismic design of the sensor.
Figure 2.5: IP68 Waterproof Design.

3. Opsætning og installation

Ledningsdiagram

Refer to the following diagram for proper wiring connections. Ensure correct voltage supply and data line connections according to your interface (TTL, 232, or 485).

Wiring diagram for HWT905-TTL sensor showing VCC, TX, RX, GND connections for 232 and 485 interfaces, and connection to an MCU.
Figure 3.1: HWT905-TTL Wiring Diagram for TTL, 232, and 485 Interfaces.

Software installation

To interface with the HWT905-TTL sensor, download the official WitMotion software from the WitMotion website. The software provides a graphical user interface for data visualization, configuration, and calibration.

For detailed instructions on software installation and driver setup, please visit the WitMotion Support Page.

4. Betjening

Datagrænseflade

The WitMotion software provides a comprehensive data interface to monitor real-time sensor readings including acceleration, angular velocity, angle (Pitch, Roll, Yaw), magnetic field, and temperature.

Screenshot of the WitMotion data interface software displaying real-time sensor data for acceleration, angle velocity, magnitude, angle, pressure, and temperature.
Figure 4.1: WitMotion Software Data Interface.

Kalibrering

For optimal accuracy, it is recommended to perform magnetic and acceleration calibration before initial use and periodically thereafter. The WitMotion software includes tools for performing these calibrations.

Follow the on-screen instructions within the software for the calibration process. Ensure the sensor is in a stable environment free from strong magnetic interference during magnetic calibration.

Graph illustrating the effect of WitMotion Algorithm and Kalman Filtering on sensor data, showing improved stability and accuracy.
Figure 4.2: Data Processing with Kalman Filtering.

5. Vedligeholdelse

  • Keep the sensor clean and free from dust and debris.
  • Avoid exposing the sensor to extreme temperatures or humidity beyond its specified operating range.
  • Ensure all cable connections are secure to prevent data loss or intermittent operation.
  • Periodically check for software updates from the official WitMotion webwebstedet for at sikre optimal ydeevne og adgang til nye funktioner.

6. Fejlfinding

If you encounter issues with your HWT905-TTL sensor, consider the following:

  • Ingen dataoutput: Verify power supply and wiring connections. Ensure the correct COM port is selected in the software and drivers are properly installed.
  • Upræcise læsninger: Perform magnetic and acceleration calibration using the WitMotion software. Ensure the sensor is mounted securely and away from strong magnetic fields or vibrations.
  • Firmwareproblemer: In rare cases, firmware updates may be required. Contact WitMotion customer support for guidance on firmware updates, as incorrect procedures can damage the device.
  • Softwareforbindelse: Check firewall settings and USB port functionality. Try a different USB port or computer if connection issues persist.

For yderligere hjælp henvises til WitMotion Support Page eller kontakt kundeservice.

7. Specifikationer

FeatureDetalje
ModelnummerHWT905-TTL
Sensortype9-axis Gyroscope, Accelerometer, Inclinometer, Digital Compass
Vinkelnøjagtighed (X-, Y-akse)0.05 grader
Processor32-bit, 48MHz
TemperaturkompensationSCA3300 MEMS module
Magnetometer CompensationRM3100 chip
Output Rate0.2-200Hz (valgbar)
BeskyttelsesvurderingIP67 vandtæt
Pakkedimensioner5.28 x 5.28 x 1.93 tommer
Vægt3.53 ounce
FabrikantWitMotion

8. Garanti og support

WITMOTION provides a 12 måneders garanti for the HWT905-TTL sensor. Lifetime friendly customer service is available from the WitMotion team.

Kontaktoplysninger

For technical support, inquiries, or warranty claims, please use the following resources:

WitMotion Support Service banner with contact email and operating hours.
Figure 8.1: WitMotion Support Service Information.

9. Yderligere ressourcer

Explore more resources for your HWT905-TTL sensor:

QR codes linking to WitMotion's Google Drive, YouTube channel, and GitHub resources.
Figure 9.1: Quick Access QR Codes for Resources.

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