Product overview
The BWSENSING BW-AH527C provides attitude and heading measurements for integration into unmanned aircraft, robotic systems and stabilization equipment. It supports both dynamic and static measurement, with roll and pitch accuracy of 0.1° and heading accuracy of 0.2°. Its attitude measurement limits are ±90° in pitch and ±180° in roll. Modbus communication and selectable RS232, RS485 or TTL outputs provide integration options for a host system, while the maximum output frequency is 500Hz.
Two physical formats have specified integration dimensions: a packaged unit measuring 60 × 59 × 29 mm and a bare board measuring 44 × 35 × 11 mm. Bare-board length and width may vary by ±1 mm, which affects space allocation. The system requires 9-36V DC and draws 30mA, with a 40mA maximum. Temperature-compensated operation spans -40 to 85°C. Its gyroscope has a ±400°/sec range and 100Hz bandwidth; specified shock resistance is 2000g for 0.5ms, three times per axis.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type and model | BW-AH527C Modbus attitude and heading reference system |
| Measurement modes | Dynamic and static measurement |
| Supply voltage | 9-36V DC |
| Operating current | 30mA; 40mA maximum |
| Operating temperature | -40 to 85°C |
| Storage temperature | -55 to 100°C |
| Roll and pitch accuracy | 0.1° |
| Heading accuracy | 0.2° |
| Tilt range | Pitch ±90°; roll ±180° |
| Resolution | 0.01°Gyroscope specification. |
| Measurement range | ±400°/secGyroscope specification. |
| Gyroscope bias stability | 5°/h (10s, 1σ)Across the full temperature range; 10s, 1σ. |
| Angular random walk coefficient | Less than 0.1 °/√hGyroscope specification. |
| Scale factor nonlinearity | ≤100ppm (1σ)Gyroscope specification; 1σ. |
| Scale factor repeatability | ≤100ppm (1σ)Gyroscope specification; 1σ. |
| Bandwidth | 100HzGyroscope specification. |
| Interface options | RS232, RS485 or TTLSelectable interface output. |
| Maximum output frequency | 500Hz |
| Mean time between failures | ≥90,000 hours per failure |
| Insulation resistance | ≥100 MΩ |
| Shock resistance | 2000g, 0.5ms, three shocks per axis0.5ms; three shocks per axis. |
| Packaged dimensions | L60 × W59 × H29 mmPackaged product. |
| Bare-board dimensions | L44 × W35 × H11 mm; possible ±1mm variation in length and widthBare-board product; length and width may vary by ±1mm. |
| Temperature compensation | Temperature compensated-40°C to +85°C. |
| Applications | Satellite tracking; unmanned vehicles; platform stabilization; underwater robot navigation; drilling equipment measurement and control; marine survey instruments; robot control; unmanned aircraft |
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