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Honeywell HMR3000 User Manual

Honeywell HMR3000
28 pages
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900240 Rev. B
3/01
HMR3000
Digital Compass Module
User’s Guide
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Honeywell HMR3000 Specifications

General IconGeneral
Resolution0.1°
Accuracy0.5° RMS
Operating Temperature-30°C to 70°C
Power Supply5 VDC
OutputRS-232
TypeDigital Compass
Operating Voltage5 VDC
Weight85 g

Summary

How to Set up HMR3000 Demo Unit

Computer Requirements for Demo Setup

Specifies minimum and recommended PC hardware for the demo software.

Understanding the HMR3000 Product

Identifying HMR3000 Product Options

Details the different HMR3000 module and kit configurations available.

HMR3000 Setup Basics

Covers initial interface and power cable connections for setup.

HMR3000 RS232 Connection Diagram

Electrical Connections for HMR3000

RS232 Communication with HMR3000

RS232 Option Details

Describes the PC Demo Interface software for RS232 communication.

Installing the PC Demo Interface Software

PC Demo Interface Computer Requirements

Lists the necessary computer specifications for running the PC Demo Interface.

Acquiring Compass Data from HMR3000

Configuring the HMR3000 Compass

Using the PC Demo Interface for Configuration

Explains how to adjust HMR3000 parameters using the PC Demo software.

RS485 Communication with HMR3000

HMR3000 Installation Guidelines

Optimal HMR3000 Location

Provides advice on placing the HMR3000 to avoid magnetic interference.

Mounting the HMR3000 Level

Discusses the importance of mounting the compass level for maximum tilt range.

HMR3000 Orientation Considerations

Details how to orient the compass for accurate heading relative to the platform.

HMR3000 Calibration Procedures

Built-in HMR3000 Calibration Method

Describes the iterative procedure for compensating hard iron fields within the unit.

HMR3000 Calibration via PC Demo Software

Explains the calibration process using the PC Demo Interface software.

3D Calibration Method for HMR3000

Recommended for large hard iron fields, collects magnetic vector data.

Z Reference Method for Calibration

Alternative method to find Zoffset when tilt changes are not possible.

HMR3000 Operation Details

General HMR3000 Operation

Provides a general overview of the HMR3000's operation and components.

HMR3000 Electrical Block Diagram

HMR3000 Process Control Block Diagram

HMR3000 Measurement Sequence

Details the step-by-step process of taking measurements and calculating heading.

HMR3000 Interface Pin Descriptions

HMR3000 Communication Protocol

HMR3000 Input Commands

HMR3000 Output Data

Querying HMR3000 NMEA Sentences

HMR3000 NMEA Sentence Formats

HDG Sentence Format

Defines the structure and fields of the HDG (Heading, Deviation, Variation) NMEA sentence.

HDT Sentence Format

Defines the structure and fields of the HDT (Heading, True) NMEA sentence.

XDR Sentence Format

Defines the structure and fields of the XDR (Transducer Measurements) NMEA sentence.

HPR Sentence Format

Defines the structure and fields of the HPR (Heading, Pitch, & Roll) NMEA sentence, including status.

RCD Sentence Format

Defines the structure and fields of the RCD (Raw Compass Data) NMEA sentence.

CCD Sentence Format

Defines the structure and fields of the CCD (Conditioned Compass Data) NMEA sentence.

ASCII Display Message Format

Describes the special ASCII message format for simple heading display.

HMR3000 Checksum Calculation

HMR3000 Warning and Alarm Settings

Tilt Warning and Alarm Settings

Configures tilt limits that trigger warning or alarm status indicators.

Magnetometer Warning and Alarm Settings

Configures magnetic field limits for warning and alarm status indicators.

HMR3000 Configuration Parameters Overview

HMR3000 Operational Commands

Lists commands for controlling the compass operation like Run, Stop, and Reset.

HMR3000 General Configuration Parameters

HMR3000 Measurement Parameters

HMR3000 Serial I/O Settings

HMR3000 Hardware Interrupt Pin Functions

HMR3000 Non-Linear Heading Filter Algorithm

HMR3000 Physical Dimensions

HMR3000 Troubleshooting Guide

Troubleshooting Card Identification Issues

Addresses problems with getting the card identification message in the PC Demo Interface.

Troubleshooting No Compass Output

Guides on resolving issues where no compass data is displayed in the PC Demo Interface.

Troubleshooting Slow or Non-Updating Compass Rose

Provides solutions for a slow or unresponsive compass rose display.

Troubleshooting Log File Update Issues

Helps resolve problems with the log file not updating or displaying recent entries.

Troubleshooting Blank Heading Display

Addresses the issue of the heading display turning blank and red.

Setting the HMR3000 Baud Rate