Powerful Sensing Solutions for a Better Life AHRS440 MEMS-BASED AHRS SYSTEM The MEMSIC AHRS440 is a compact standalone attitude and heading reference system that provides roll, pitch and yaw measurement data in both static and dynamic environments. The AHRS440 can accept external GPS aiding inputs for optimized performance, and is available in standard and high range sensor configurations. Features • Roll, Pitch, Heading and 9DOF Inertial Outputs • Accuracy < 0.2 deg Platform Stabilization UAV Flight Control • Output Data Rate > 100 Hz The AHRS440 combines highly reliable MEMS sensors (gyros and accelerometers) with low noise magnetometers to provide accurate attitude and heading in a small and rugged environmentally-sealed enclosure. The AHRS440 provides consistent performance in challenging operating environments and is user-configurable for a wide variety of applications. •High-Range Sensor Options (400 deg/sec and 10g) •GPS Aiding Input •Low Power < 3W •High Reliability, MTBF > 25,000 hours •Analog Output Option •Rugged Sealed Enclosure Applications Certifications •Unmanned Vehicle Control • DO-160D Environments •Land Vehicle Guidance •Avionics Systems •Platform Stabilization 9-42VDC @ 350mA User Configuration Commands GPS Aiding Data Phone: 408.964.9700 RS 232 (A) RS 232 (A) RS 232 (B) AHRS440 Fax: 408.854.7702 Roll, Pitch, Heading, Rate, Acceleration and BIT E-mail: [email protected] w w w. m e m s i c . c o m AHRS440 MEMS-BASED AHRS SYSTEM Performance AHRS440 Heading Range (°) Accuracy1, 2, 3 (°) Resolution (°) ± 180 < 1.0 < 0.1 Analog Output Option Attitude Range: Roll, Pitch (°) Accuracy1, 2, 3 (°) Resolution (°) ± 180, ± 90 < 0.2 < 0.02 Angular Rate Range: Roll, Pitch, Yaw (°/sec) Bias Stability In-Run 2, 4 (°/hr) Bias Stability Over Temp 2 (°/sec) Resolution (°/sec) Angle Random Walk (°/√hr) Bandwidth (Hz) ± 200 (± 400 option available) < 10 < 0.02 < 0.02 < 4.5 25 MEMSIC offers the NAV-DAC440 analog interface adapter for customers wishing to use the AHRS440 in analog data acquisition systems. The NAV-DAC440 converts the AHRS440 serial digital data to 9-channel BNC analog outputs. Acceleration Input Range: X/Y/Z (g) Bias Stability In-Run 2, 4 (mg) Bias Stability Over Temp 2 (mg) Resolution (mg) Velocity Random Walk (m/s/√hr) Bandwidth (Hz) ± 4 (± 10 option available) <1 <4 < 0.5 < 1.0 25 Specifications NAV-VIEW 2.0 Configuration & Display Software NAV-VIEW 2.0 provides an easy to use graphical interface to display, record and analyze all of the AHRS440 measurement parameters. Environment Operating Temperature (°C) Non-Operating Temperature (°C) Enclosure -40 to +71 -55 to +85 IP66 Compliant Electrical Input Voltage (VDC) Power Consumption (W) Digital Interface 9 to 42 <3 RS-232 Physical Size (in) (cm) Weight (lbs) (kg) Connector 3 x 3.75 x 3 7.62 x 9.53 x 7.62 < 1.3 < 0.58 DB15, D-sub 15-pin Male Other Components Each AHRS440 is shipped with an interface cable, MEMSIC’s User’s Manual and NAV-VIEW 2.0 configuration and display software. Support For more detailed technical information please refer to the 440-Series User’s Manual available online at: www.memsic.com/Support Ordering Information Model Description AHRS440CA-200 Attitude & Heading Reference System (Standard) AHRS440CA-400 Attitude & Heading Reference System (High Range) This product has been developed exclusively for commercial applications. It has not been tested for, and makes no representation or warranty as to conformance with, any military specifications or its suitability for any military application or end-use. Additionally, any use of this product for nuclear, chemical or biological weapons, or weapons research, or for any use in missiles, rockets, and/or UAV’s of 300km or greater range, or any other activity prohibited by the Export Administration Regulations, is expressly prohibited without the written consent and without obtaining appropriate US export license(s) when required by US law. Diversion contrary to U.S. law is prohibited. Specifications are subject to change without notice. Notes:1 With valid GPS-Aiding input data . 2 1-sigma value.3 During steady level flight. 4 Constant temperature, Allan Variance Curve. MEMSIC Inc. San Jose, California w w w. m e m s i c . c o m 6020-0087-05 Rev A