Parameters | FNF701 | FNF702 | FNF703 | |
Main technical parameters | North seeking accuracy (1σ) | ≤0.1° | ≤0.3° | ≤0.5° |
North seek time | ≤ 3min | |||
Horizontal accuracy (pitch and roll) |
≤0.05°(1σ) | ≤0.05°(1σ) | ≤0.05°(1σ) | |
Power-on preparation time | 6min | |||
interface | RS422 | |||
Power supply | 24±4V | |||
Power consumption | 20w (peak) | |||
Weight | <3 | |||
Dimension | L120×W90×H115mm | |||
Working mode | 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. | |||
Environment requirements | Operating temperature | -20 ~ +50℃ | ||
Storage temperature | -45~ +70℃ | |||
Relative humidity | 95% | |||
Appearance | The metal surface shall not be rusted, and the coating shall not cause blistering or peeling. | |||
Electrical performance | Insulation resistance | The insulation resistance between the individual circuits of the gyro north finder and its circuit and housing shall be not less than 10 MΩ under standard atmospheric conditions. | ||
maintainability | MTBF | ≥1000hrs | ||
MTTR | ≤30min |