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Crossbow Technology AHRS400 Series - User Manual

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AHRS400 Series User’s Manual
Models…
AHRS400CA-
AHRS400CB-
AHRS400CC-
(DMU-HDX-AHRS)
Revision A, March 2002
Document 7430-0004-01
Crossbow Technology, Inc., 41 E. Daggett Dr., San Jose, CA 95134
Tel: 408-965-3300, Fax: 408-324-4840
email: info@xbow.com, website: www.xbow.com
SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com
SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com
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Crossbow Technology AHRS400 Series Specifications

General IconGeneral
Yaw Accuracy±1°
Weight130 grams
Data Output Rate200 Hz
Bandwidth50 Hz
Operating Temperature-40°C to +85°C
Communication InterfaceRS-232, RS-422

Summary

Introduction

The AHRS Series Motion and Attitude Sensing Units

Overview of the nine-axis AHRS system, its components, and measurement capabilities.

Quick Start

GyroView Software

Instructions for installing and using the GyroView software for DMU evaluation and initial setup.

Setup GyroView

Guide to configuring the GyroView software to detect and display AHRS data and select display types.

AHRS Details

Measurement Modes

Explains three operating modes: Voltage, Scaled Sensor, and Angle (VG) mode, and their data outputs.

Analog Output

Details the nine conditioned analog outputs and provides formulas to convert voltage to engineering units.

AHRS Operating Tips

Mounting the AHRS

Provides guidance on optimal mounting to minimize errors from vibration and magnetic interference.

AHRS Output Quick Reference

Hard and Soft Iron Calibration

Description

Explains magnetic interference (hard/soft iron) and the necessity of calibration for accurate heading.

Command List

Lists commands for initiating, completing, and clearing magnetic calibration routines.

AHRS Command Quick Reference