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HMR3500 

 

2                                                                                                                                                               www.honeywell.com                                                                     

 
 

SPECIFICATIONS

 

Characteristics 

Conditions 

Min 

Typ 

Max 

Units 

Heading 

 

 

 

 

 

       Accuracy 

(Clean Magnetic Environment) 

Level 

Pitch 0° to 

±

30° 

Roll 0° to 

±

30° 

 

 

0.5 

0.75 
0.75 

 

 
 

 

(1 

σ

 

       Resolution 

 

 

0.1 

 

deg 

       Repeatability 

3 sweeps, 0º to 360º, level 

 

0.2 

 

deg 

σ

 

Pitch and Roll 

 

 

 

 

 

       Roll Range 

Default orientation, rotation about X-axis 

 

±

180° 

 

deg 

       Pitch Range 

Default orientation, rotation about Y-axis 

 

±

80° 

 

deg 

       Accuracy 

Roll ±30º, Pitch ±30º 

 

0.5 

deg 

σ

 

       Null Accuracy

1

 

Level 

 

±0.5 

 

deg 

       Resolution 

Level, 1-sigma, 100 readings 

 

0.04 

 

deg 

Roll Repeatability 

Roll ±70º 

Pitch ±70º 

 

0.2 
0.2 

 

deg 

σ

 

Pitch Repeatability 

Roll ±70º 

Pitch ±70º 

 

0.1 
0.1 

 

deg 

σ

 

Magnetic Field 

 

 

 

 

 

       Range 

Maximum Magnetic Flux Density 

 

0.7 

 

gauss 

       Resolution 

1-sigma, 100 readings 

 

0.45 

 

milli-gauss                                                                                                     

       Dip Angle 

Earth’s Vertical Field Component 

-70 

 

+70 

deg 

       Linearity 

 

 

0.2 

 

%FS 

Electrical 

 

 

 

 

 

       Input Voltage    

Standard Product 

2.5 

5.0 

5.2 

volts DC 

       Power 

Input Voltage 2.5 to 5.2V 

 

300 

 

mW 

Digital Interface 

 

 

 

 

 

        UART 

ASCII  

4800 

9600 

38,400 

Baud 

        Update Rate 

Continuous Heading Updates 

0.05 

10 

25 

Hz 

        Format 

Bi-directional binary packet data protocol. 

 

RS-232 

 

Physical 

 

 

 

 

 

         Dimensions 

Circuit Board Assembly 

 

1.97 x 1.65 

x 0.52 

 

inches 

         Weight 

HMR3500 PCB only 

HMR3500 with case, no cable 

 

0.6 
3.0 

 

ounce 

ounces 

         Connector 

5-pin, 2mm pin spacing 

 

 

 

Environment 

 

 

 

 

 

         Temperature 

Operating 

Storage (OEM only) 

-40 
-55 


+85 

+125 

°C 
°C 

1

 Null zeroing prior to use of the HMR3500 and upon exposure to temperature excursions beyond the Operating 

Temperature limits is required to achieve highest performance. 

* Tested at 25°C unless stated otherwise. 

Содержание TruePoint HMR3500

Страница 1: ...r products provide real solutions you can count on FEATURES BENEFITS 4 Precision Compass Accuracy 4 Better Than 1 Nominal Heading Accuracy 1 σ 0 1 Resolution 4 Tilt Compensated 4 89 Pitch and Roll 360 Continuous Roll Capabilit y 4 Update Rate to 25Hz 4 Rapid Heading Computations for Guidance Applications 4 Compact Solution in a 1 97 by 1 65 by 0 52 PCB Assembly 4 Small Size for Tight Mounting Cond...

Страница 2: ...lux Density 0 7 gauss Resolution 1 sigma 100 readings 0 45 milli gauss Dip Angle Earth s Vertical Field Component 70 70 deg Linearity 0 2 FS Electrical Input Voltage Standard Product 2 5 5 0 5 2 volts DC Power Input Voltage 2 5 to 5 2V 300 mW Digital Interface UART ASCII 4800 9600 38 400 Baud Update Rate Continuous Heading Updates 0 05 10 25 Hz Format Bi directional binary packet data protocol RS ...

Страница 3: ... factory default the RS 232 interface is set at 9600 baud with one start bit 8 data bits one stop bit and no parity bits The HMR3500 does not require any hardware or software handshaking or related features The baud rate can be changed by command after initial communication at the current baud rate The CompassHost utility software is a 32 bit Windows application program that is provided with the H...

Страница 4: ...is MEMS accelerometers are mounted horizontally and vertically to combine into a 3 axis tilt sensing sub circuit Each accelerometer outputs a Pulse Width Modulated PWM digital signal that the microprocessor measures for pitch and roll angles Besides an integral temperature sensor a 2 axis and 1 axis magnetic sensor devices are mounted horizontally and vertically to create a 3 axis measurement of t...

Страница 5: ...est program It is capable of sending and receiving all messages described in this manual except the BAUD message It can display all messages received from the module in the main window with scrolling text It has a small window summarizing the current status of the module and a graphic display of the current compass heading roll and pitch CompassHost can be run under Windows 9x ME NT 4 0 2000 or th...

Страница 6: ...ct Honeywell does not warranty or assume liability of customer designed circuits derived from this description or depiction Honeywell reserves the right to make changes to improve reliability function or design Honeywell does not assume any liability arising out of the application or use of any product or circuit described herein neither does it convey any license under its patent rights nor the r...

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