Product overview
Wuxi Beiwei Sensing Technology’s BW-IMU127C is an inertial measurement component for integration into unmanned aircraft and other moving equipment. Its sensing architecture combines gyroscope and accelerometer measurements, with an accelerometer range specified for the X, Y and Z axes. Dynamic compensation, orthogonality compensation and temperature compensation support its measurement functions. Sampling reaches up to 500Hz, while the listed output interfaces and protocol comprise RS232, RS485, TTL and Modbus. Applications also include platform stabilization, robotics, autonomous driving and unmanned vessels.
The physical configurations comprise a packaged unit measuring L60 × W59 × H29 mm and a bare board measuring L44 × W35 × H11 mm. The bare board’s length and width may vary by ±1mm, which matters when allocating installation space. Electrical integration requires a 9-36V DC supply, with operating current of 30mA and a 40mA maximum. Operation spans -40°C to +85°C. Gyroscope and accelerometer limits are specified separately, and their bias-stability figures retain distinct temperature, averaging-time and statistical conditions.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Wuxi Beiwei Sensing Technology |
| Model and product type | BW-IMU127C series high-performance Modbus inertial measurement unit |
| Compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500Hz |
| Output interfaces and protocol | RS232 / RS485 / TTL / Modbus |
| Supply voltage | 9-36V DC |
| Operating current | 30mA; 40mA maximum |
| Operating temperature | -40°C to +85°CTemperature compensation provided. |
| Storage temperature | -55°C to 100°C |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope measurement range | ±400°/sec |
| Gyroscope room-temperature bias stability | Less than 30 °/hRoom temperature; 10s, 1σ. |
| Gyroscope full-temperature bias stability | Less than 20 °/hFull temperature range; 10s, 1σ. |
| Angular random walk coefficient | Less than 0.1 °/√h |
| Accelerometer measurement range | ±3.6 gX, Y and Z axes. |
| Accelerometer resolution | 0.01 mg |
| Accelerometer bias stability at 100s | 0.001mg25°C, 100s, 1σ. |
| Accelerometer bias stability at 10s | 0.01mg25°C, 10s, 1σ. |
| Packaged dimensions | L60 × W59 × H29 mmPackaged product. |
| Bare-board dimensions | L44 × W35 × H11 mmBare-board product; length and width may vary by ±1mm; actual dimensions govern. |
| Intended applications | Unmanned vessels, underwater robots, construction machinery, platform stabilization, automated guided vehicles, heavy trucks, autonomous driving, robotics and unmanned aircraft |
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