SBG Navsight Ekinox IMU Hardware Manual

Inertial systems for survey applications

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Navsight Solution

Inertial Systems for Survey Applications

Hardware Manual

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NAVSIGHTHM.1.3

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1.3 - Jul 2, 2020

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support@sbg-systems.com

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Page 1 Navsight Solution Inertial Systems for Survey Applications Hardware Manual Document NAVSIGHTHM.1.3 Support EMEA Revision 1.3 - Jul 2, 2020 support@sbg-systems.com +33 1 80 88 43 70 Americas support@sbg-systems.com +1 (657) 549-5807...
Page 2 Sep 28, 2018 Alexis Guinamard First official version © 2007 – 2020 SBG Systems SAS. All rights reserved. Information in this document is subject to change without notice. Copy or redistribution of this document is forbidden without express authorization of SBG Systems.
Page 3: Table Of Contents
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 Index 1. Terminology................................ 7 2. Solution overview............................. 8 2.1. System............................... 9 2.2. IMU................................9 2.2.1. Ekinox IMU....................................9 2.2.1.1. Accelerometers................................9 2.2.1.2. Gyroscopes..................................10 2.2.1.3. Surface form factor..............................10 2.2.1.4. Subsea form factor............................... 12 2.2.2.
Page 4 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 4. IMU interface specification..........................29 4.1. Surface IMU interfaces..........................29 4.2. Subsea IMU interfaces..........................29 5. Processing unit Interfaces specifications....................... 30 5.1. Rugged version Overview........................30 5.2. Rack version Overview..........................31 5.3. Interfacing capabilities........................... 32 5.3.1.
Page 5 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.12. Internal Datalogger..........................47 5.13. Power supply interface.......................... 47 5.13.1. Connector pin out................................. 47 5.13.2. Electrical specifications............................... 48 5.14. Typical wiring recommendations......................48 5.14.1. Power supply connection..............................48 5.14.2. Main interface connection on RS-232..........................49 5.14.3.
Page 6 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7.8.1. GNSS antennas..................................62 7.8.2. TNC Cables..................................... 62 8. Appendix B: Sub-systems mechanical outlines..................... 63 8.1. Ekinox IMU – Surface enclosure......................63 8.1.1. Top View....................................63 8.1.2. Right view....................................63 8.1.3. Front view....................................64 8.1.4.
Page 7: Terminology
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 1. Terminology ADC: Analog to Digital Converter AHRS: Attitude and Heading Reference System CAN (Bus): Controller Area Network DHCP: Dynamic Host Configuration Protocol DVL: Doppler Velocity Log EKF: Extended Kalman Filter EEPROM: Electrically-Erasable Programmable Read-Only Memory FIR: Finite Impulse Response (filter) FTP: File Transfer Protocol FS: Full Scale...
Page 8: Solution Overview
For easier installation, the Navsight Processing unit and IMU can be installed at different locations: IMU close to the location we want to track (eg. Multibeam sonar), and processing unit, close to user. SBG Systems tested successfully installations with more than 50m distance between processing unit and IMU.
Page 9: System
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.1. System The following diagram shows the basic organization of the Navsight solution. Internal GNSS receiver is optional. The RS-485 link between IMU and processing unit allows secure and long distance communication (eg 50m). Processing Unit 3 Axis Gyroscopes...
Page 10: Gyroscopes
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.2.1.2. Gyroscopes Remarks Full scale (°/s) ± 300 In run bias instability (°/hr) Allan variance – @ 25°C Angular Random Walk (°/√hr) 0.14 Allan variance – @ 25°C Bandwidth (Hz) Attenuation of 3 dB Orthogonality (°) <...
Page 11 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 Device mechanical alignment For best measurement accuracy, a good mechanical alignment is required. During manufacturing, the Ekinox 2 IMU frame has been carefully aligned to 0.02° with the base plate for roll, pitch and yaw angles. To ease the yaw alignment (X axis), the base plate features two alignment holes Ø...
Page 12: Subsea Form Factor
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.2.1.4. Subsea form factor The Ekinox IMU Subsea is composed of titanium parts, one for the cover and one for the base plate. The device uses a subsea connector to offer a depth rating of 200 m and good resistance to seawater environment.
Page 13: Apogee Imu
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.2.2. Apogee IMU Apogee IMU is considered as the highest accuracy for a MEMS Inertial measurement unit. This IMU is the unit of choice for challenging environments and benefits from its ultra low noise gyroscopes. Sensors specifications are listed below.
Page 14 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 Mechanical alignment For best measurement accuracy, a good mechanical alignment is required. During manufacturing, the Apogee IMU frame has been carefully aligned to 0.02° with the base plate for roll, pitch and yaw angles. To ease the yaw alignment (X axis), the base plate features two alignment holes Ø...
Page 15: Subsea Form Factor
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.2.2.4. Subsea form factor The Apogee Subsea IMU enclosure is composed of titanium parts, one for the cover and one for the base plate. The device uses high quality connectors to offer a depth rating of 200 m and good resistance to seawater environment.
Page 16: Horizon Imu
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.2.3. Horizon IMU Horizon IMU is the highest performance available in Navsight Series. Leveraging on a closed loop Fiber Optic Gyroscopes technology, this IMU is the unit of choice for most difficult conditions such as high altitude survey / single antenna airborne applications, high depth survey, harsh automotive environments.
Page 17: Specifications
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 The default center of measurement is located on top of Horizon enclosure, on the coordinate frame center drawing. It is represented on the mechanical outlines by the symbol. This point is defined to simplify installation.
Page 18: Navsight Processing Unit
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.3. Navsight Processing unit The Navsight processing unit embeds all the processing power, an optional GNSS receiver and all the input and output interfaces. 2.3.1. Rugged packaging Thanks to a robust IP-67 design the Rugged Processing unit perfectly suited for most applications. An anodized aluminum enclosure (6061) ensures proper protection against harsh environments.
Page 19: Rack Packaging
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.3.2. Rack packaging The rack version of Navsight processing unit is well suited for integration into a standard 19” rack setup. In addition, the use of standard connectors such as RJ-45 and DB-9 enable fast integration. Located on the front panel, a membrane keyboard and LED indicators inform user about system health.
Page 20: Internal Gnss (Septentrio)
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.3.3. Internal GNSS (Septentrio) The NAVSIGHT-S embed a very high end, survey grade, dual antenna, Septentrio GNSS receiver that is perfectly fitted for the very demanding survey market. It features L1/L2/L5 and L-Band signals tracking and uses GPS, GLONASS, BEIDOU and GALILEO constellations to provide very accurate and reliable measurements even in harsh environments.
Page 21: Internal Gnss (Trimble, Hw Revision >= 1.5)
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.3.4. Internal GNSS (Trimble, HW revision >= 1.5) The NAVSIGHT-T embed a high end, survey grade, dual antenna, Trimble GNSS receiver that is perfectly fitted for the very demanding survey market. It features L1/L2/L5 and L-Band signals tracking and uses GPS, GLONASS, BEIDOU and GALILEO constellations to provide very accurate and reliable measurements even in harsh environments.
Page 22: Internal Gnss (Trimble, Hw Revision < 1.5)
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 2.3.5. Internal GNSS (Trimble, HW revision < 1.5) The NAVSIGHT-T embed a high end, survey grade, dual antenna, Trimble GNSS receiver that is perfectly fitted for the very demanding survey market. It features L1/L2/L5 and L-Band signals tracking and uses GPS, GLONASS, BEIDOU and GALILEO constellations to provide very accurate and reliable measurements even in harsh environments.
Page 23: System Performance Specification
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 3. System Performance specification All specifications are rated to 1σ, over -40°C to +75°C unless otherwise stated. These specifications have been obtained by field tests, using typical mission scenarios and comparison to reference units using post-processing. Outage performance validated by simulation of repeated, pure GNSS outages, separated by at least 200s of optimal GNSS condition, compared to a reference RTK trajectory.
Page 24: Marine & Subsea Applications
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 3.1.3. Marine & Subsea applications All specifications are valid with dual antenna aiding for typical marine survey trajectories. Position Accuracy Velocity Accuracy Attitude Accuracy (°) Outage Positioning Mode Duration Horizontal Vertical Horizontal Vertical Roll / Pitch Heading 1.20 m 2.0m...
Page 25: Apogee Grade Specifications
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 3.2. Apogee grade specifications 3.2.1. Common specifications Performance Remarks Measurement range 360° in all axes, no mounting limitation Solid state sensors Orientation noise < 0.002° RMS Static conditions 3.2.2. Marine & Subsea applications All specifications are valid with dual antenna aiding for typical marine survey trajectories. Position Accuracy Velocity Accuracy Attitude Accuracy (°)
Page 26: Land Applications
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 3.2.3. Land applications All specifications are valid with DMI (odometer) aiding for typical land mapping trajectories. Position Accuracy Velocity Accuracy Attitude Accuracy (°) Outage Positioning Mode Duration Horizontal Vertical Horizontal Vertical Roll / Pitch Heading 0.02 0.01...
Page 27: Horizon Grade Specifications
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 3.3. Horizon grade specifications 3.3.1. Marine applications All specifications are valid with dual antenna aiding for typical marine survey trajectories. Position Accuracy Velocity Accuracy Attitude Accuracy (°) Outage Positioning Mode Duration Horizontal Vertical Horizontal Vertical Roll / Pitch Heading...
Page 28: Land Applications
Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 3.3.2. Land applications All specifications are valid with DMI (odometer) aiding for typical land mapping trajectories. Position Accuracy Velocity Accuracy Attitude Accuracy (°) Outage Positioning Mode Duration Horizontal Vertical Horizontal Vertical Roll / Pitch Heading 0.01 0.01...
Page 29 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 4. IMU interface specification The link between IMU and processing unit uses a set of RS-485 half duplex communication and RS-422 synchronization interfaces that is suitable for secured, long distance communication. 4.1. Surface IMU interfaces All surface IMU models use the same circular, push-pull connector (ODU G83F1C-P08RP09-0000).
Page 30 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5. Processing unit Interfaces specifications 5.1. Rugged version Overview Following diagrams show the different interfaces available on a Navsight processing unit. Front face is dedicated to quick user access to main functions and status indication. Power Ethernet GNSS...
Page 31 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.2. Rack version Overview The rack version of Navsight present the same interfaces and capabilities as the rugged one. Following diagrams show the different interfaces available on a Navsight processing unit. Front face is dedicated to quick user access to main functions and status indication.
Page 32 NMEA, RTCM, TSS1, Septentrio SBF, Novatel Binary protocol, Trimble and others. Note: For a complete description of the sbgECom and other supported protocols, please refer to the SBG Systems Firmware Reference Manual. 32/74...
Page 33 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.4. Keyboard and LEDs indicators 5.4.1. LEDs status indicators Following LEDs display various useful status information. Name Color codes Power status OFF: No power supply available RED: Unit is Idle (not running but power is available). BLINKING ORANGE: No valid IMU data has been received BLINKING...
Page 34 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.4.2. Buttons actions In addition to checking the system status, it is also possible to use the keypad buttons in order to perform several useful actions. Basic actions will be typically performed at every mission while the advanced actions should be used for troubleshooting purpose.
Page 35 Note 2: For more details about the Ethernet interface capabilities, please read the Ellipse Ekinox and Apogee Technical Reference Manual. Browser Compatibility: SBG Systems recommend using latest version of Chrome, Safari, Firefox or Edge web browsers. Due to Internet Explorer limitations, only versions 10 and above are supported.
Page 36 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 Connector's pin out is the following: Pin # Name Description SHIELD SHIELD Connected to the mechanical ground Ethernet Tx+ Ethernet Tx- Ethernet Rx+ Ethernet Rx- 5.6.3. Connector specifications (rack) The Ethernet interface uses a standard RJ-45 connector for direct interfacing on the network. 5.7.
Page 37 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.7.1. Connector specifications (rugged) The CAN connector uses an 8 ways female ODU connector (ref G81F1C-P08LFG00000). Other manufacturers such as Fischer provide compatible plugs (Fischer Core Series). The connector mates with plug ref S31F1C- P08MFG0-5500.
Page 38 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.8. Serial ports interfaces Serial port interfaces can be used to connect various external equipment and share very similar features and capabilities. Specificity of different ports is detailed in the following sections. Some of the common features are listed below: 4 800 to 921 600bps operation (Default set to 115 200) ●...
Page 39 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 Connector's pin out is the following: Pin # Name Description SHIELD SHIELD Connected to the mechanical ground SYNC OUT A Synchronization output signal SGND PORT A Signal ground Do not connect – reserved for future use PORT A Tx PORT A Rx Do not connect –...
Page 40 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.8.2. PORT B and C interfaces PORT B and C share all the common specifications with other serial interfaces. They can be used as general purpose data input/output. They operate in both RS-232 or RS-422 and include Sync In pin as well as +12V output for signal translation purpose.
Page 41 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.8.2.3. Electrical specifications Parameter Conditions Min. Typ. Max. Units RS-232 Receiver, Sync In pins Input range Low level threshold Input resistance kΩ RS-422 Receivers Input differential threshold -200 -125 Input hysteresis Input resistance kΩ RS-232 Transmitters Output range +/-5...
Page 42 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.8.3. PORT D interface PORT D interface is specific in the way that it is directly connected to the internal GNSS receiver. PORT D shares all the common interfaces characteristics – see section PORT B and C interfaces for more details.
Page 43 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.8.3.3. Electrical specifications This port shares the same electrical interface as the PORT B and C. See Electrical specifications. 5.8.4. PORT E interface PORT E can be used for all common inputs and outputs functions. In addition to that the PORT E is the dedicated interface for Odometer (DMI) connection.
Page 44 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.8.4.2. Connector specifications (rack) On the Rack version, the PORT E is accessible through a standard male DB-9 plug. Pin # Name Description SHIELD SHIELD Connected to the mechanical ground SYNC_IN_E / ODO B Synchronization input E / Odometer input B RX+ / RX / ODO A RS-422 Rx+ / RS-232 Rx / ODO A input...
Page 45 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.9. SYNC OUT B SYNC Out B is the main synchronization output interface. Directly accessible on the back panel through a standard BNC connector. It can operate in two different ways: Main loop divider: This event is activated at the sensor sample time, but its frequency is divided by ●...
Page 46 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.11. GPS antenna connectors To connect external GNSS antennas, Navsight features two TNC connectors that provide IP -68 protection even unmated. The internal GNSS receiver only supports active GPS antennas. Figure 5.18: GPS antenna connector Figure 5.17: Typical TNC antenna cable Any standard coax cable with a TNC male connector can be used with Navsight.
Page 47 For optimal performance, SBG Systems recommends the use of a geodetic multi-frequency, multi- constellation GNSS antenna. SBG Systems has selected some high quality GPS antennas for different applications. Please refer to the section 7.8 GPS accessories to get more details on available antennas.
Page 48 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.13.2. Electrical specifications Parameter Min. Typ. Max. Units Conditions Operating voltage Navsight-E with Ekinox2-I Navsight-E with Apogee-I Power consumption Navsight-T/S with Ekinox2-I Navsight-T/S with Apogee-I Allowable Input Voltage Ripple mV p-p 11.5 Turn on threshold Under voltage lock out Turn off threshold VIN+ to Mechanical Ground...
Page 49 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.14.2. Main interface connection on RS-232 Below is shown the main interface (Port A) connection, using a full duplex RS-232 connection. The recommended cable is a shielded AWG26 cable. NAVSIGHT Main Connector PORT A Tx PC Rx PORT A Rx PC Tx...
Page 50 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.14.4. GNSS connection in RS-232 mode For this typical connection, a shielded 26AWG cable should be used. Depending on PPS signal strength, we do not recommend this cable to measure more than a few meters. For long distance, PPS signal and GPS NMEA signals should be separated in two cables for better noise immunity.
Page 51 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.15. Typical connection topology The following use cases are presented to quickly show how to connect the Navsight solution various external equipment in different applications. 5.15.1. Navsight use in Land/Air survey applications In this setup we use Navsight solution as navigation sensor for any land or air survey application IMU can be installed remotely, where it’s convenient to the user (eg.
Page 52 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 5.15.2. Navsight use in marine applications In the next diagram, the Navsight unit is used as motion and navigation sensor for a multi-beam echo sounder survey application. IMU is located close to the Sonar head – or at any place convenient for the user ●...
Page 53 6.1. Maintenance Navsight solution does not require particular maintenance when operated in normal conditions. Nevertheless, if you would like to maintain your sensor performance to the highest level, SBG Systems can provide a maintenance service with regularly planned checkups and calibrations.
Page 54 In order to avail itself of this warranty, Customer must notify SBG Systems of the defect before expiry of the warranty period and take all steps necessary to enable SBG Systems to proceed. Upon reception of required information (Sensor serial number, defect description), SBG Systems will issue an RMA and will provide return instructions.
Page 55 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7. Appendix A: Ordering codes and Accessories 7.1. Ekinox IMU Ordering codes The following Ekinox IMU variants are available to order. Please contact your sales representative for more information. Navsight Variant EKINOX-I-B | Marine - IMU EKINOX-I-S | Marine - Subsea IMU EKINOX-I-B | Land Air - IMU 7.2.
Page 56 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7.4. Processing unit variants The following Navsight processing unit variants are available to order. Please contact your sales representative for more information. Navsight Variant NAVSIGHT-E | Rugged - Land Air INS NAVSIGHT-E | Rugged - Marine MRU NAVSIGHT-E | Rugged - Marine INS NAVSIGHT-E | Rack - Land Air INS NAVSIGHT-E | Rack - Marine MRU...
Page 57 When high performance is a must, or in case of harsh environments, Qinertia provides a cutting edge, tightly coupled GNSS/INS PPK solution. In addition, Navsight users benefit from a seamless integration with Qinertia. Contact SBG Systems sales team for more information about Figure 7.3: Qinertia Post-processing Qinertia. suite 7.6.2.
Page 58 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7.7. Cables 7.7.1. IMU cables ↔ Various IMU processing cables configurations are provided to suit all application needs. Two lengths are proposed for surface IMUs and two lengths are proposed for Subsea IMUs. In addition, standard cable extenders are provided to meet long distance applications needs.
Page 59 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7.7.3. CA-AEK-PWR-3M This cable mates with the PWR connector to power up the Navsight solution from an external power supply. 1 x ODU Mini-Snap F Series S31F1C-P02LPN0-0002 plug ● 1 x open end ● IP-68 rating ●...
Page 60 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7.7.5. CA-NAVS-COM-2M This open ended cable connects on any serial port or CAN bus plug of the rugged processing unit. It has the following characteristics: 1 x ODU Mini-Snap F Series S31F1C-P08MFG0-5500 plug ● 1x open end ●...
Page 61 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7.7.7. CA-NAVS-SPLIT-COM-0.5M This cable is designed for easy external GNSS integration, thanks to dedicated RS-232/RS-422 serial connector and a PPS input connector. General characteristics are the following 1 x ODU Mini-Snap F Series S31F1C-P08MFG0-5500 plug ●...
Page 62 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 7.8. GPS accessories 7.8.1. GNSS antennas The following GPS antennas are recommended for all survey applications: Product code Description Photo ANT-SEP-POLANT-MC Survey grade, geodetic antenna L1 / L2 / L5, L-Band GPS, GLONASS, GALILEO, Beidou Pole Mount –...
Page 63 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8. Appendix B: Sub-systems mechanical outlines All dimensions are in mm. 8.1. Ekinox IMU – Surface enclosure 8.1.1. Top View 8.1.2. Right view 63/74...
Page 64 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.1.3. Front view 8.1.4. Bottom view 91 ±0,10 4 H7 17,70 4 HOLES 4,50 4 H7 64/74...
Page 65 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.2. Ekinox IMU – Subsea enclosure 8.2.1. Top and bottom views 8.2.2. Front view 65/74...
Page 66 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.3. Apogee IMU – Surface enclosure 8.3.1. Top view 8.3.2. Right view 66/74...
Page 67 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.3.3. Front view 8.3.4. Bottom view 67/74...
Page 68 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.4. Apogee IMU – Subsea enclosure 8.4.1. Top and bottom views 8.4.2. Front view 68/74...
Page 69 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.5. Horizon IMU 8.5.1. Top view 8.5.2. Right view 69/74...
Page 70 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.5.3. Front view 8.5.4. Bottom view 153 ±0,1 4 H8 2.5 4 H8 70/74...
Page 71 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.6. Processing unit – Rugged enclosure 8.6.1. Top view 8.6.2. Right view 71/74...
Page 72 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.6.3. Front view 8.6.4. Back view 72/74...
Page 73 Navsight Solution – Hardware Manual NAVSIGHTHM.1.3 8.7. Processing unit – Rack enclosure 8.7.1. Top view 482,6 (19,0 in) 421,7 (16.6 in) 8.7.2. Front view 8.7.3. Back view 73/74...
Page 74 NAVSIGHTHM.1.3 9. Appendix C: Products labels SBG Systems manufacturing process is based on EN-9100 system with individual and full traceability of every component and operation. Each device is identified by a unique serial number which is used to trace all operations during the product lifetime such as manufacturing, calibration, tests and repairs.

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