Product overview
The BWSENSING BW-IMU527C is a packaged inertial measurement unit for integration into unmanned aircraft, robots and other motion-related systems. Its sensing architecture combines a gyroscope with an accelerometer specified across the X, Y and Z axes. The enclosure measures 60 mm long, 59 mm wide and 29 mm high, defining the physical space occupied by the packaged unit. Its integration features include RS232, RS485 and TTL outputs, with Modbus protocol support.
The unit provides dynamic and orthogonal compensation, sampling at up to 500 Hz, and temperature compensation over a stated range of -40 °C to +85 °C. Its gyroscope covers ±400°/sec, while the accelerometer covers ±3.6 g on each specified axis. Bias stability depends on the stated measurement conditions: gyroscope figures distinguish room-temperature and full-temperature operation, and accelerometer figures apply at 25 °C. Both sensors have separate stability values for 100-second and 10-second measurement intervals.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and type | BWSENSING BW-IMU527C high-performance Modbus inertial measurement unit |
| Compensation | Dynamic compensation and orthogonal compensation |
| Sampling frequency | Up to 500 Hz |
| Output interfaces and protocol | RS232 / RS485 / TTL / Modbus |
| Temperature range | -40 °C to +85 °CTemperature compensation |
| Dimensions | L60 × W59 × H29 mmPackaged product |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope measurement range | ±400°/sec |
| Gyroscope bias stability at room temperature | Less than 0.5 °/h (100 s, 1σ); less than 5 °/h (10 s, 1σ)Room temperature; 100 s, 1σ and 10 s, 1σ respectively |
| Gyroscope bias stability across temperature | Less than 20 °/h (10 s, 1σ)Full temperature range; 10 s, 1σ |
| Gyroscope angular random walk coefficient | Less than 0.1 °/√h |
| Gyroscope bias repeatability | Less than 50 °/h (1σ)1σ |
| Accelerometer measurement range | ±3.6 gX, Y and Z axes |
| Accelerometer resolution | 0.01 mg |
| Accelerometer bias stability | 0.001 mg (25 °C, 100 s, 1σ); 0.01 mg (25 °C, 10 s, 1σ)25 °C; 100 s, 1σ and 10 s, 1σ respectively |
| Applications | Unmanned vessels and underwater robots; construction machinery; platform stabilization; automated guided vehicles; heavy trucks; autonomous driving; robotics; unmanned aircraft |
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