Product overview
Wuxi Beiwei Sensing Technology’s BW-AH127 is a low-cost attitude and heading reference system for integration into equipment including unmanned aircraft, unmanned vehicles and stabilized platforms. Its compact physical envelope measures 55 mm long, 37 mm wide and 24 mm high, providing a defined space requirement for installation. The system uses high-performance Kalman filtering and offers selectable RS232, RS485 or TTL outputs with Modbus communication. Operating current is 30 mA, with a maximum of 40 mA.
The BW-AH127 measures pitch across ±90° and roll across ±180°, with 0.01° attitude resolution. Pitch and roll accuracy each depend on motion conditions: 2° RMS dynamically and 0.5° RMS statically. Heading accuracy is 2°, with 0.01° resolution. For host integration, startup delay is less than three seconds, maximum output frequency is 100 Hz, and serial rates span 2400 to 115200 baud. Digital output uses a high-performance binary protocol. Operating temperature extends from -40 to 85°C, with temperature compensation.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Wuxi Beiwei Sensing Technology Co., Ltd. |
| Model and product type | BW-AH127 low-cost Modbus attitude and heading reference system |
| Output interfaces and protocol | RS232, RS485 or TTL; Modbus protocolSelectable output interface. |
| Temperature compensation | Temperature compensation over -40°C to +85°C |
| Filtering algorithm | High-performance Kalman filtering |
| Dimensions | L55 × W37 × H24 mm |
| Operating current | 30 mA; 40 mA maximum |
| Operating temperature | -40 to 85°C |
| Pitch accuracy | 2° dynamic; 0.5° staticRMS; dynamic and static conditions respectively. |
| Roll accuracy | 2° dynamic; 0.5° staticRMS; dynamic and static conditions respectively. |
| Tilt range | Pitch ±90°; roll ±180° |
| Attitude resolution | 0.01°Attitude parameters. |
| Heading accuracy | 2° |
| Heading resolution | 0.01°Heading parameters. |
| Startup delay | Less than 3 s |
| Maximum output frequency | 100 Hz |
| Serial communication rate | 2400 to 115200 baud |
| Digital output format | High-performance binary protocol |
| 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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