General DescriptionThe fiber optic gyro north seeker is mainly used to quickly and autonomously determine the true north direction, obtain the earth's rotation angular rate through fiber optic gyro tracking, calculate the earth's rotation angular rate signal, and calculate the angle between the gyro's main axis and the true north direction of the earth to provide a carrier Location information.The fiber optic gyro north seeker is mainly used to quickly and autonomously determine the true north direction, obtain the earth's rotation angular rate through fiber optic gyro tracking, calculate the earth's rotation angular rate signal, and calculate the angle between the gyro's main axis and the true north direction of the earth to provide a carrier Location information.
Feature
●output interface:RS422
●power supply: 24±4V
●power consumpton:20w (peak)
●size:L120×W90×H115
●weight:1.5kg
●working temperature:-20°C to +50°C
●store temperature:-45°C to +70°C
●accuracy: <0.1
●three axis(X,Y,Z)
Technical Data:
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Parameters
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FNF701
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Unit
|
|
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North seeking accuracy (1σ)
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≤0.1
|
°
|
|
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North seek time
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≤ 3
|
min
|
|
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Horizontal accuracy
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≤0.05 (1σ)
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°
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|
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Power-on preparation time
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6
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min
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|
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Interface
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RS422
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/
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Power supply
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24±4
|
V
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|
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Power consumption
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20 (peak)
|
w
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|
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Weight
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<1.5
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Kg
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|
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Dimension
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L120×W90×H115
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mm
|
|
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Operating temperature
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-20 ~ +50
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° C
|
|
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Storage temperature
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-45~ +70
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° C
|
|
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Relative humidity
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95
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%
|
|
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Working mode
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After power on, it start self-test. After the self-test
completed, it will response to the upper computer’s north seek command. And after north seeking, the north seeking result will be sent to upper computer. |
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Screw positioning installation dimension drawing:
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Pin
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RS422 definition
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RS232 definition
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a
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24V+
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24V+
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b
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24V GND
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24V GND
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|
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c
|
TD+
|
TXD
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|
|
|
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d
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TD－
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Reserved, the user does not wire
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|
|
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e
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RD+
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RXD
|
|
|
|
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f
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RD-
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Reserved, the user does not wire
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|
|
|
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g
|
GND
|
GND
|
|
|
|
