Owner's manual

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Page22
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NAV440UserManual
7430‐0131‐01Rev.F
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Figure3440SeriesFunctions
NAVFunction
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AHRSFunction
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Magnetometer
heading
accels, rates,
mags, attitude,
, ,
A
cceleromete
r
Accelerometer tilt
Correction algorithm
Roll/pitch heading velocity
Attitude propagation
100 Hz
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∑
Magnetomete
r
heading
accels, rates, MAGS, attitude,
velocity, GPS position
, ,
A
cceleromete
r
Accelerometer tilt
Correction algorithm
Roll/pitch heading velocity
Attitude and velocity
propagation 100 Hz
∑
GPS velocity
VGFunctionwithExternalGPS
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VGFunction
A
cceleromete
r
?
GPS velocity
A
cceleromete
r
tilt
Correction algorithm
Roll/pitch heading velocity
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∑
accels, rates, attitude,
velocity, GPS position
A
ttitude and velocit
y
propagation 100 Hz

Correction algorithm
Roll/pitch heading velocity
A
cceleromete
r
Accelerometer tilt
∑
A
ttitude propagation
100 Hz
accels, rates,
attitude,
(heading/yaw free
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440SeriesDefaultCoordinateSystem
The440SeriesInertialSystemdefaultcoordinatesystemisshownin below.Thecoordinatesystemis
configurablewitheitherNAV‐VIEW2.2orbysendingtheappropriateserialcommands.Thissectionofthemanual
describesthedefaultcoordinatesystemsettingsoftheunitwhenitleavesthefactory.Forinformationabout
configuringthe440Seriesunit,refertoChapter7.Configuringthe440SerieswithNAV‐VIEW2.2andChapter10.
Figure4
ProgrammingGuidelines.
Withthe440Seriesconnectorfacingyouandthemountingplatedown,theaxesaredefinedasshownbelow:
Figure4440SeriesDefaultCoordinateSystem
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Xaxis:fromfacewithconnectorthroughtheunit
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Yaxis:alongthefacewithconnectorfromlefttoright
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Zaxis:alongthefacewiththeconnectorfromtoptobottom
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