OXTS xNAV650, Hardware Manual

Page: 5 / 42

Oxford Technical Solutions Ltd. http://www.oxts.com Page 5 of 42
Operating principles .............................................................................................................................. 30
Strapdown navigator .......................................................................................................................... 30
Extended Kalman filter ...................................................................................................................... 31
Use with survey hardware ..................................................................................................................... 32
Data logging ...................................................................................................................................... 32
PPS and NMEA ................................................................................................................................. 33
PPS/Triggers ..................................................................................................................................... 34
PTP .................................................................................................................................................... 35
Cable modification ............................................................................................................................. 36
Appendix ............................................................................................................................................... 37
Wiring guide for standard interfaces
................................................................................................. 37
Appendix 2 ............................................................................................................................................ 38
Drawings ............................................................................................................................................ 38
Revision history ..................................................................................................................................... 40
List of figures
Figure 1: xNAV650 front view ............................................................................................................... 10
Figure 2: xNAV650 top view.................................................................................................................. 11
Figure 3: xNAV650 dimensions and measurement origin point (mm) .................................................. 13
Figure 4: xNAV650 coordinate frame axes ........................................................................................... 14
Figure 5: xNAV650 main connector pin layout...................................................................................... 15
Figure 6: PPS waveform ....................................................................................................................... 16
Figure 7: xNAV650 user cable .............................................................................................................. 17
Figure 8: xNAV650 mounting points (mm) ............................................................................................ 20
Figure 9: Dual antenna orientations ...................................................................................................... 22
Figure 10: Windows Firewall warning message.................................................................................... 29
Figure 11: Schematic of the strapdown navigator ................................................................................ 30
Figure 12: NAVconfig LiDAR Scanner tab ............................................................................................ 33
Figure 13: The PPS/Triggers tab in NAVconfig. ................................................................................... 34
List of tables
Table 1: Supplementary manuals ........................................................................................................... 7
Table 2: xNAV650 scope of delivery ....................................................................................................... 8
Table 3: xNAV650 points of interest ..................................................................................................... 11
Table 4: Power LED .............................................................................................................................. 12
Table 5: Status LED .............................................................................................................................. 12
Table 6: GNSS LED .............................................................................................................................. 12
Table 7: Main connector pin description ............................................................................................... 15
Table 8: PPS electrical specifications ................................................................................................... 16
Table 9: Digital I/O electrical specifications .......................................................................................... 17
Table 10: xNAV650 user cable pin description ..................................................................................... 18
Table 11: xNAV650 performance specifications ................................................................................... 24
Table 12: xNAV650 inertial sensor specifications ................................................................................. 24
Table 13: xNAV650 physical characteristics ......................................................................................... 25