Hmr3000 Electrical Block Diagram - Honeywell HMR3000 User Manual

The HMR3000 has four operational modes
Continuous Mode
Output unsolicited NMEA standard message(s) at a configurable rate
Strobe Mode
Active Strobe Mode- Measurement is continuous and message output on request
Passive Strobe Mode- Measurement and output upon request
Sleep Mode (requires an interrupt signal at the connector)
Both measurement and output are suspended with serial inputs ignored
Calibrate Mode
Enter the compass in to user Hard Iron calibration mode
3.2

HMR3000 ELECTRICAL BLOCK DIAGRAM

Magnetometers
Tilt Sensor
2-Axis
3-Axis
Analog Drive
Circuits
Figure 3. Electrical block diagram of HMR3000
900240 Rev. B
Regulator 5V
6–15 Vdc
EEPRROM
Continuous/Reset
Micro
Operate/Calibrate
processor
Run/Stop
Ready/Sleep
Tx
RS232
Rx
RS485
Gnd
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