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PDF HMR3500 Data sheet ( Hoja de datos )
| Número de pieza | HMR3500 | |
| Descripción | TruePoint Compass Module | |
| Fabricantes | Honeywell | |
| Logotipo |  |
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TruePoint™ Compass Module
HMR3500
Advanced Information
The HMR3500 TruePoint™ compass module is a 3-axis
digital compass solution with a customizable coordinate
system for mounting in any desired orientation. Three
Anisotropic Magneto-Resistive sensors and three MEMs
accelerometers are combined to provide compass heading
as well as pitch and roll angles.
The HMR3500 has provisions for hard and soft-iron
correction algorithms to handle magnetic distortion effects.
In addition a World Magnetic Model feature is provided to
automatically add declination angle corrections for
reference to true north (geographic north).
Honeywell provides product excellence and performance by introducing innovative solid-state magnetic sensor solutions.
These are highly reliable, top performance products that are delivered when promised. Honeywell’s magnetic sensor
products provide real solutions you can count on.
FEATURES
4 Precision Compass Accuracy
4 Tilt-Compensated
4 Update Rate to 25Hz
4 Compact Solution in a 1.97” by 1.65” by
0.52” PCB Assembly
4 Hard and Soft-Iron Compensation
Routines
4 World Magnetic Model Included
4 -40° to +85°C Operating Temp Range
4 +5 DC Supply Voltage Range
4 Light Weight
4 Customizable Coordinate System
4 All Solid State Components
BENEFITS
4 Better Than 1° Nominal Heading Accuracy (1σ), 0.1° Resolution
4 ±89° Pitch and Roll, 360° Continuous Roll Capability
4 Rapid Heading Computations for Guidance Applications
4 Small Size for Tight Mounting Conditions, Minimal Layout Constraints
4 User Driven Calibration to Null Stray Fields. A Single Routine for Both
Hard and Soft Iron Corrections
4 Choice of True North or Magnetic North References
4 Consumer and Industrial Environment Uses
4 Customizable to a Wide Variety of Power Sources
4 3.0 oz with Aluminum Housing, 0.6 oz PCB only
4 24 Custom Coordinate Orientations
4 Rugged for User-Defined Orientation Plane
1 page  
HMR3500
X
Magnetic
Sensors
Y
Z
Temp
Sensor
T
RS-232
R I/O
16 – Bit
Microcontroller
X
Y
Accels
Z
Power
Supply
Figure 3
HMR3500 Block Diagram
UART COMMUNICATION INTERFACE
The 5-pin power supply and UART interface connector on the HMR3500, mates with a Harwin latching connector (Part #
M80-8980505) per the pin configuration table earlier in this document. The interface hardware protocol is RS-232 without
any further handshaking or hardware control lines.
Further HMR3500 interface commands and protocol are in the HMR3500 user’s guide document.
TEST SOFTWARE DESCRIPTION
Computer test software is provided in the HMR3500 demonstration kit that will permit a thorough evaluation and
demonstration of the compass capabilities. CompassHost is a 32-bit Windows test 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 their successors. One available serial port is required
for communicating with the compass. Processor, memory, and disk space requirements are minimal.
The CompassHost software is not described in this datasheet, but given in depth description in the HMR3500 user’s guide
document.
www.honeywell.com
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet HMR3500.PDF ] | |
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