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Seapath

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 320 

Technical Description 

 

 

 

Summary of Contents for Seapath 320

Page 1: ...Seapath 320 Technical Description ...

Page 2: ...ed No part of this work covered by the copyright hereon may be reproduced or otherwise copied without prior permission from Kongsberg Seatex AS Disclaimer The information contained in this document is subject to change without prior notice Kongsberg Seatex AS shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or ...

Page 3: ...ECIFICATIONS 9 2 1 Performance data 9 2 2 Physical dimensions 9 2 2 1 Processing Unit 9 2 2 2 HMI Unit 9 2 2 3 Monitor 17 inch LCD 10 2 2 4 MRU Unit 10 2 2 5 MRU Wall Mounting Bracket 10 2 2 6 MRU Junction Box 10 2 2 7 Antenna Bracket 11 2 2 8 GNSS antenna 11 2 2 9 Cabinet 11 2 3 Power 11 2 3 1 Processing Unit 11 2 3 2 HMI Unit 12 2 3 3 Monitor 17 inch LCD 12 2 3 4 MRU 12 2 3 5 GNSS antenna 12 2 4...

Page 4: ... 1 Processing Unit 16 2 10 Compass safe distance 16 2 10 1Processing Unit 16 2 11 Cables 16 2 11 1MRU cable 16 2 11 2Processing Unit to MRU Junction Box cable 16 2 11 3GNSS antenna cables Coax 17 2 12 Interfaces Processing Unit 18 2 12 1RS 422 A and B signal definition 19 2 12 2Pin layout 19 2 12 3MRU to Processing Unit cable wiring 25 2 13 Interfaces HMI Unit 26 2 13 1Pin layout 27 3 INSTALLATION...

Page 5: ...des 37 4 3 NavEngine configuration 38 4 4 Standard configuration 38 4 4 1 Vessel configuration 40 4 4 2 GNSS configuration 41 4 4 3 DGNSS configuration 45 4 4 4 MRU configuration 45 4 4 5 Monitoring points 48 4 4 6 Communication interface 52 4 4 7 Data pool 53 5 OPERATING INSTRUCTIONS 55 5 1 Screen sections views 55 5 1 1 Switch and select views 56 5 2 Top bar 56 5 3 Sky view 58 5 4 DGNSS views 60...

Page 6: ... 79 6 7 6 U cabinet dimensions 81 7 PART LIST 83 List of figures Figure 1 Typical information shown to the user 2 Figure 2 System architecture 3 Figure 3 Front panel of Processing Unit 4 Figure 4 Rear panel of Processing Unit 4 Figure 5 Front panel of HMI Unit 4 Figure 6 Rear panel of HMI Unit 5 Figure 7 The MRU 5 5 Figure 8 MRU 5 functional modules 6 Figure 9 Antenna Bracket 7 Figure 10 Side view...

Page 7: ...igure 28 Monitoring points view 49 Figure 29 Add a new monitoring point 50 Figure 30 New monitoring point MP4 added to list 51 Figure 31 Renaming of monitoring point to preferred name 51 Figure 32 Input output view before interface details are added 52 Figure 33 Input Output list view with configuration details 53 Figure 34 Data Pool configuration view 53 Figure 35 Main view sections 55 Figure 36 ...

Page 8: ...ectors at rear of Processing Unit 19 Table 3 Connectors at front of Processing Unit 19 Table 4 Pin layout of Com 1 and Com 2 20 Table 5 Pin layout of Com 9 through Com 14 21 Table 6 Pin layout of PPS port 21 Table 7 Pin layout of Alarm 22 Table 8 Pin layout of Analog Out 23 Table 9 Pin layout of MRU 24 Table 10 Pin layout for LAN 1 Ethernet ports 24 Table 11 Pin layout for LAN 2 3 and 4 Ethernet p...

Page 9: ...GLONASS Differential GLONASS DGNSS Differential Global Navigation Satellite System DGPS Differential GPS ED50 European Datum of 1950 EGNOS European Geostationary Navigation Overlay System SBAS Europe EPE Estimated Position Error GLONASS Global Navigation Satellite System A Russian system GNSS Global Navigation Satellite System GPS Global Positioning System The American NAVSTAR system GPS Time The ...

Page 10: ...is the vessel CG or rotation centre PGND Power Ground PPS Pulse Per Second PRN Pseudorandom Noise PSS Physical Shore Station RAIM Receiver Autonomous Integrity Monitoring RMS Root Mean Square RTCM Radio Technical Commission of Maritime Services SA Selective Availability SBAS Satellite Based Augmentation System SL Speed Along Ship SNR Signal Noise Ratio SOG Speed Over Ground SRRD Seatex Rescue and ...

Page 11: ...dynamic motion variables oscillating around a mean value typically zero Height The height in the Seapath product is defined as the vertical position relative to the WGS84 datum rotational ellipsoid Host system In this manual defined as Navigation computers Dynamic Positioning Systems etc receiving data from Seapath Origin The zero point in the coordinate system The origin is the intersection point...

Page 12: ... vehicle is aligned horizontally Positive rotation about this axis is turning the bow of the vehicle to starboard Yaw A rotation about the vertical axis is positive when turning Eastward Clockwise when the vehicle cruises in North direction Normally yaw means the dynamic yaw motion References 1 M300 62 Seapath 320 Installation Manual 2 NMEA 0183 Standard for Interfacing Marine Electronic Devices V...

Page 13: ...h product to other countries than EU countries or Argentina Australia Canada Iceland Japan New Zealand Switzerland South Korea Turkey Ukraine and USA requires an export license Notice to Importer The MRU product specified in this document has been shipped from Norway in accordance with The Ministry of Foreign Affairs Official Notification on Export Control and may be subject to restrictions if re ...

Page 14: ...free sight to the sky minimum four visible satellites PDOP value less than 6 and otherwise normal conditions to operate It is designed for use on board marine surface operated vehicles with linear acceleration less than 30 m s2 3g and an angular rate range less than 150 s Only relative dynamic heave position is calculated ...

Page 15: ...ly increases satellite availability provides robust integrity monitoring and results in more precise solutions particularly in highly obstructed environments The combination of GNSS signals and inertial data enables much better performance than each of the signals alone with a high output data rate up to 200 Hz zero delay on output data data available in up to eight different monitoring points and...

Page 16: ...omprises the following main components which are physically separated A Processing Unit for I O and calculations An HMI Unit with MONITOR keyboard and PC mouse An MRU 5 inertial sensor An MRU wall mounting bracket An MRU junction box with three metres of cable for interfacing to the MRU An Antenna Bracket with two GNSS antennas ...

Page 17: ...andard 19 inch racks and is typically installed on the bridge or in the instrument room The Processing Unit comprises the following main parts Hard disk Serial I O board Ethernet and computer main board Power supply Two GNSS receivers The power on off switch LAN port and USB connection are located under the lid on the left part of the front panel ...

Page 18: ...ed Figure 4 Rear panel of Processing Unit 1 2 2 The HMI Unit The HMI Unit is designed to fit 19 inch racks and is typically installed on the bridge or in the instrument room The 1U height HMI Unit comprises the following main parts Flash disk Serial I O board Ethernet and computer main board Power supply The power on off switch and USB connection are located under the lid on the left part of the f...

Page 19: ...in the MRU axes direction as well as velocity and relative position are also provided The MRU achieves high reliability by using sensors with no rotational or mechanical wear out parts Figure 7 The MRU 5 When the MRU is used within the Seapath product only raw angular rate and linear acceleration data is output from the unit All processing of these signals to roll pitch heave and velocity measurem...

Page 20: ...ly by plug in boards when the housing cylinder has been removed The housing cylinder should however not be removed by anyone else than Kongsberg Seatex The MRU is integrated in Seapath and all digital data are routed through the Processing Unit 1 2 4 The GNSS antennas and antenna bracket In a standard Seapath delivery the Antenna Bracket is 2 5 metres The Antenna Bracket is delivered in aluminium ...

Page 21: ... 1 3 Networked architecture The Navigation Engine runs all critical computations independent of the HMI Unit to ensure continuous and reliable operation Navigation Engine runs in a safe mode protected from unintended user operations Several HMI Units can be connected to the same Navigation Engine in a networked architecture ...

Page 22: ...Seapath 320 8 Man_techn_seapath320 rev 1 ...

Page 23: ...with SBAS 0 5 m RMS or 1 m 95 CEP Position accuracy with RTK floating ambiguity mode 0 15 m RMS or 0 35 m 95 CEP Velocity accuracy 0 03 m s RMS or 0 07 m s 95 CEP The performance figures are valid with a minimum of four visible satellites HDOP less than 2 5 PDOP less than 6 high quality DGPS corrections correctly measured offsets and otherwise normal conditions Excessive multipath GNSS signal obst...

Page 24: ... 8 kg Colour Black and silver 2 2 4 MRU Unit Type MRU 5 Height 204 mm 8 032 Diameter 105 mm 4 134 Weight 2 5 kg Colour Blue Connector Souriau 851 36RG 16 26S50 MIL spec 2 2 5 MRU Wall Mounting Bracket Type MRU M MB3 Length 265 mm Width 119 mm Height 119 mm Weight 1 6 kg Colour Black Material POM H 2 2 6 MRU Junction Box Type MRU E JB1 Length 226 mm Width 126 mm Height 90 mm Weight 2 0 kg ...

Page 25: ...tenna Type Novatel GPS 702 GG Height 69 1 mm Diameter 185 mm Weight 0 5 kg Colour White The GNSS antenna is a right hand circular polarised L band antenna with an integral low noise amplifier The internal thread is 5 8 x 11 standard marine mount 2 2 9 Cabinet Height 390 mm Depth 600 mm Width 553 mm Depth with keyboard extended 770 mm Recommended free space from wall 20 mm 2 3 Power 2 3 1 Processin...

Page 26: ...tts typical 2 3 4 MRU Voltage 24 V DC from Processing Unit 2 3 5 GNSS antenna Voltage 5 V DC from Processing Unit 2 4 Environmental 2 4 1 Processing Unit Enclosure material Aluminium Operating temperature range 15 C to 55 C2 Recommended operating temperature Room temperature 20 C Storage temperature 20 C to 70 C Operating humidity Max 95 non condensing Storage humidity Less than 55 Ingress protect...

Page 27: ...perature range 5 to 40 C Relative humidity 20 to 80 2 4 4 MRU Unit Enclosure material Anodised aluminium Enclosure protection IP 66 Operating temperature range 5 to 55 C Operating humidity max Sealed no limit Storage temperature range 20 to 70 C Storage humidity Sealed no limit Max allowed vibration operational 10 2000 Hz continuous 0 5 m s2 Max allowed vibration non operational 0 200 Hz continuou...

Page 28: ...z Data delay All data in real time 0 ms plus transmission delay 1PPS signal accuracy 220 nsec Analog outputs 3 user configurable channels 10 Volts 2 5 2 HMI Unit USB 3 ports 1 in front and 2 in rear LAN 1 Ethernet port in rear 2 5 3 MRU Unit Serial ports 1 RS 232 or RS 422 Digital output variables Max 16 Data output rates Max 100 Hz Timing 1 ms 2 6 Product safety 2 6 1 Processing Unit Electrical s...

Page 29: ...Message types NMEA 0183 ZDA GGA GLL VTG HDT GST GSA and GRS NMEA proprietary PSXN 20 PSXN 21 PSXN 22 and PSXN 23 Simrad EM1000 Simrad EM950 and EM1000 compatible Seapath binary format 3 Simrad EM3000 Simrad EM3000 EM300 and HiPap compatible Calibration format Echo sounder format RD Instrument ADCP proprietary NMEA format PRDID Seapath binary format 11 Lehmkuhl gyro repeater format 1PPS time tag NM...

Page 30: ...pass mounted in 6U cabinet 2 6 m Note If the Processing Unit is not marked with a compass safe distance label the unit shall be placed five metres from both the steering compass and the standard compass 2 11 Cables 2 11 1 MRU cable Type MRU E CS1 Heavy duty screened 14 x 2 x 0 25 mm2 Length 3 m Diameter 13 5 mm Weight 0 27 kg m Flame retardation IEC 332 1 Insulation ETFE Screen Cu braid 2 11 2 Pro...

Page 31: ...e not delivered by Kongsberg Seatex make sure that the cables meet the following electrical specifications Insertion loss max 15 dB at 1 6 GHz Characteristic impedance 50 Ohm nominal DC resistance max 0 5 Ohm ground braid and centre conductor Table 1 GNSS antenna cable specification The antenna connectors on the Processing Unit are of N type male On the GNSS antennas both TNC type female and N typ...

Page 32: ...antenna IALA N connector 50 Ohm female Not in use LAN 2 RJ 45 User configurable USB 2 USB User configurable USB 3 USB User configurable LAN 3 RJ 45 Not in use LAN 4 RJ 45 User configurable Mouse PS 2 Mouse Keyboard PS 2 Keyboard COM 1 9 pin DSub male RS 232 User configurable COM 2 9 pin DSub male RS 232 User configurable VGA HD15 female Monitor COM 9 5 pins terminal RS 232 422 User configurable CO...

Page 33: ... of the pins on the terminals goes from left no 1 to right 2 12 1 RS 422 A and B signal definition According to the following standard the signal state definitions are IEC 61162 1 The idle marking logical 1 OFF or stop bit states are defined by a negative voltage on line A with respect to line B The active spacing logical 0 ON or start bit states are defined by a positive voltage on line A with re...

Page 34: ...Com 2 2 12 2 2 Connector board The screw terminal pin layout on the connector board at the rear of the PU is described below Figure 12 Connector board Serial lines Com 9 Com 14 The system communicates with external equipment through the six RS 232 or RS 422 configurable serial input and output lines The configuration of serial lines and their default settings are ...

Page 35: ...lse width of 10 ms The 1PPS is generated exactly once every second with its rising edge synchronised to GPS time Compared to the Seapath 200 models which have a BNC connector this Seapath model uses a serial signal Pin no 1 TX_A has a positive edge at the beginning of the pulse and pin no 2 TX_B has a positive edge at the end of the pulse Pin no Signal Direction 1 1PPS TX_A Output 2 1 PPS TX_B Out...

Page 36: ...y and can be connected to an external alarm An alarm will open the alarm relay which can be used to trigger an external alarm The external alarm can be connected to the Alarm 3 pin terminal Pin no Signal 1 NC 2 Alarm_Com 3 Alarm_NO Table 7 Pin layout of Alarm The diagram below shows how an external alarm can be connected to the Processing Unit ALARM terminal Figure 13 External alarm connection dia...

Page 37: ...for the analog outputs is as follows Pin no Signal 1 GND_Isolated_DAC 2 Analog_Out_Ch2_N 3 Analog_Out_Ch2_P 4 GND_Isolated_DAC 5 Analog_Out_Ch1_N 6 Analog_Out_Ch1_P 7 GND_Isolated_DAC 8 Analog_Out_Ch0_N 9 Analog_Out_Ch0_P 10 GND_Isolated_DAC Table 8 Pin layout of Analog Out MRU The MRU connector is used for power and interface to an MRU Usually when an MRU is connected to a Processing Unit a junct...

Page 38: ...ervice port and has less capacity 10 100 Mbps that the other LANs To connect this LAN to a network a straight through twisted pair TP cable with RJ 45 connectors must be used A straight through cable is one where the pins of one connector are connected to the same pins of the other connector In special instances a crossover cable instead of a straight through cable is needed for example when conne...

Page 39: ...s To connect the Processing Unit network use twisted pair TP cable with RJ 45 connectors To comply with the IEC 60945 standard shielded screened cable has to be used Recommended cable type is CAT 5e Category 5e cable is an enhanced version of Category 5 that adheres to more stringent standards It is capable of transmitting data at speeds of up to 1000 Mbps 1 Gigabit per second The maximum length o...

Page 40: ... connected to earth In the MRU junction box both the shield around each pair and the outer shield are terminated in pin 1 chassis on the x3 side Note It is important to insert a wire between pin 24 LGND and pin 27 Shutoff on the user side x1 in the MRU junction box in order to establish RS 422 communication between the MRU and the Processing Unit Otherwise there will be no communication between th...

Page 41: ...ors must be used A straight through cable is one where the pins of one connector are connected to the same pins of the other connector Below is the pin wiring for the twisted pair TP cable Straight through Signal Pin no Pin no Signal TX 1 1 TX TX 2 2 TX RX 3 3 RX RX 6 6 RX Table 15 Pin layout for HMI Unit Ethernet ports The pins 4 5 7 and 8 are not used To connect the HMI Unit network use twisted ...

Page 42: ...Seapath 320 28 Man_techn_seapath320 rev 1 ...

Page 43: ...ty guidelines to be followed when working in mast and on deck Personnel qualifications Trained electrical workers Minimum number of personnel 2 especially when mounting the Antenna Bracket to the Holder Ship location The GNSS antennas have to be mounted such that blocking of the GNSS signal is avoided The MRU 5 unit is preferably mounted low in the ship or close to the system to be compensated The...

Page 44: ...GNSS sensors which only utilise pseudo range data This since Seapath also utilises carrier phase measurements for heading determination and both GNSS antennas need to see at least four common satellites at the same time Caution The GNSS antennas have to be mounted in such a way that blocking of the GNSS signal I avoided In order to reduce problems due to multipath effects the GNSS antennas have to...

Page 45: ...he user equipment and to eliminate errors due to ship hull torsion If the system is not allocated to measure motion of a particular user equipment mount the MRU as close to the Navigation Reference Point NRP as possible This to ensure best roll and pitch measurements If it is not possible to mount the MRU close to NRP try to mount it along the longitudinal axis of the ship and as close to the NRP ...

Page 46: ... 2 4 HMI Unit When installing the HMI Unit consider the following The unit is designed for indoor installation and should not be exposed to heavy vibrations transformers or similar The unit should be resiliently mounted in a 19 inch rack to be in accordance with the environmental standard IEC60945 EN60945 The unit has an internal fan and requires free airflow from the rear and out to the sides It ...

Page 47: ...ngs Such a coordinate system can consist of a Y axis positive forwards which is parallel to the centre line of the vessel an X axis positive to starboard and a Z axis positive upwards All axes are mutually perpendicular The origin where Y 0 X 0 and Z 0 CRP or Common Reference Point is normally defined to be at the AP centre Rudder Stock underside keel which is also where the design origin is commo...

Page 48: ...to be surveyed The offset between the gyro compass heading and the vessel centre line CL Note The heading offset to be surveyed to an accuracy better than 1 Static gyro calibration verification heading log and DGNSS health check should be done after all DGNSS and gyro systems are installed and fully operational This can be performed in dock or alongside Dynamic gyro calibration verification and at...

Page 49: ...G 214 cable in order to route the cables properly into the cabinet 3 3 6 2 Mounting Seapath without delivered cabinet A system delivered without a cabinet shall be mounted on attachment rails in a standard 19 inch rack Minimum depth of the rack is 500 mm It is recommended that the rack is resiliently mounted It is recommended that the rack has air inlet on top and bottom or ventilation splits on t...

Page 50: ...Seapath 320 36 Man_techn_seapath320 rev 1 ...

Page 51: ...nfiguration 4 2 1 System modes The product has three system modes indicated in the System mode field of the Top bar Operation mode This is the default mode In this mode it is not possible to launch any external applications diagnostic tools or reconfigure the system Configuration mode In this mode it is possible to change settings related to the connected sensors applications and system wide setti...

Page 52: ...vailable when logged into Configuration mode while the Advanced configuration is available in Engineering mode Figure 16 NavEngine configuration 4 4 Standard configuration When Standard configuration is selected from the System menu the NavEngine Configuration view is displayed Figure 17 NavEngine Configuration view At the top of the NavEngine Configuration view there are three buttons to handle t...

Page 53: ...able The files are named with the date and time they were saved The ten last files are displayed in the list Via the Browse button at the bottom of the list it is possible to find all saved files Figure 18 History button The following parameters can be set in the Standard configuration Vessel geometry and description Sensor data including GNSS geometry and processing DGNSS and SBAS MRU geometry an...

Page 54: ...n the screen to the actual vessel its dimensions have to be input Description Vessel data for the specific installation This information is helpful to identify the correct configuration file at a later stage 4 4 1 1 Vessel geometry The Vessel Geometry view defines the vessel dimensions Figure 20 Vessel geometry view In the Vessel dimension section it is possible to set the following parameters LOA...

Page 55: ...on view contains mostly textual information regarding the vessel Figure 21 Vessel Description view Vessel name The name of the vessel Vessel owner The name of the vessel owner Country of origin The name of the vessel s country of origin MMSI The MMSI assigned to the vessel IMO Number The IMO ID assigned to the vessel 4 4 2 GNSS configuration 4 4 2 1 GNSS Geometry The lever arm vector from the AP t...

Page 56: ...alibration wizard process Check that the orientation of the antennas in the vessel shape correspond with the actual orientation in the mast See the chapter Calibration for description on how to use the Calibration wizard Note Correct selection of antenna type is only important when raw GNSS data are output from the Seapath for post processing of the position accuracy The selection GENERIC as anten...

Page 57: ...since the filter will start with the entered height value as the initial value The SV masking value can be changed from the default value 10 by entering an Elevation mask value between 7 and 20 degrees This value must not be changed by other than experts from the default value 10 Click the checkbox Enable range rate corrections to use the DGNSS corrections in the GNSS velocity calculations The def...

Page 58: ...Processing see Operating Instructions in the User Manual 4 4 2 3 GNSS Attitude Processing In this dialogue the maximum values to be used for attitude processing can be changed However these parameters are only to be changed if the vessel has an unusual characteristic Figure 24 GNSS Attitude Processing view ...

Page 59: ...f no specific SBAS satellite is selected the system will select and use data from the best of the available satellites If the selected SBAS satellite is not available the system will not use the SBAS correction data in the computations Maximum two SBAS satellites may be tracked by the GNSS receiver 4 4 4 MRU configuration 4 4 4 1 MRU Geometry The lever arm vector from the AP to the MRU location ha...

Page 60: ...g angles 4 4 4 2 Heave configuration When using real time heave measurements it is important to tune the heave parameters heave period and damping to the vessel size and the motion characteristics for the actual weather conditions The default settings for filter mode heave period and damping have to be tuned for the actual vessel and weather conditions in order to achieve optimum heave performance...

Page 61: ... 10 times the selected period To By selecting an unnecessary long heave period the settling time will be slower than it has to For vessels performing surveys with frequent turns the period should be set as low as possible to minimise the heave settling time after turns Damping The heave damping factor is usually set to 0 7 Only for special occasions should this parameter be changed In operations w...

Page 62: ...ined like in echo sounder installations with depth changes due to changes in vessel trim and list If this mode is not selected the heave will always have zero mean level 4 4 5 Monitoring points Enter the Monitoring Point configuration dialogue to configure monitoring points for output of data Up to 8 monitoring points may be defined As the monitoring points are inserted they are displayed graphica...

Page 63: ... selected monitoring point coordinates are shown at the bottom of the view To get exact coordinates from AP to each monitoring point each monitoring point has to be measured or calculated based upon drawings or previously measured points and entered into the software manually To delete a point select the cross Note If data shall be valid for NRP it is not necessary to define a zero vector since th...

Page 64: ...oint The position and name of the added point may also be adjusted by writing the co ordinates into the table below the vessel drawing Figure 29 illustrates adding a new monitoring point by clicking on the cross symbol and dragging the mouse and cross to the correct location Figure 29 Add a new monitoring point Figure 30 illustrates that a new monitoring point MP4 has been added to the list of mon...

Page 65: ...echn_seapath320 rev 1 51 Figure 30 New monitoring point MP4 added to list Figure 31 illustrates renaming of a monitoring point to a preferred name here from MP4 to Helideck Figure 31 Renaming of monitoring point to preferred name ...

Page 66: ...interface details are added Figure 32 Input output view before interface details are added When selecting an interface the Input Output view will be divided into two sections The upper part consists of the list with all interfaces The lower part consists of Configuration details for the interface selected in the list The configuration details vary between the different interfaces ...

Page 67: ..._seapath320 rev 1 53 Figure 33 Input Output list view with configuration details 4 4 7 Data pool Data pool is the distribution media for data from the NavEngine software to the operator software Figure 34 Data Pool configuration view ...

Page 68: ...work interface name The LAN port on the Processing Unit UDP address The address the NavEngine should send data to UDP port The port the NavEngine should send data to Note If the NavEngine should send data to the Operator software the UDP address and UDP port must match the Address and Port entered in the Data Source tab in the Operator software configuration ...

Page 69: ... Ethernet ports without any involvement from the user After power on up to 30 minutes is needed to obtain full accuracy on all data Since there normally is no reason to turn off Seapath it should be left running continuously In the following chapters the various display pages comprising the Seapath will be described for better understanding of the displayed parameters 5 1 Screen sections views The...

Page 70: ...iew 2 Press Shift F2 to browse to the next available view in View 3 Press F3 to switch the contents of View 1 and View 2 Press Shift F3 to switch the contents of View 1 and View 3 Press F5 to let View 1 cover the whole screen 5 2 Top bar The Top bar includes the following information Type of system Current date and time UTC Data source System mode Data quality status System status Event message li...

Page 71: ...witch from Operation to Engineering or Configuration mode The password is stx and it is not possible to change The system will return to Operation mode after 3 minutes of user inactivity Data quality status The Seapath has the following four data quality status indicators Horizontal position and velocity Heave Roll and pitch Heading The colour codes are Green normal Orange reduced performance Red ...

Page 72: ...ur menu buttons located to the far right on the Top bar constitute the application menu View Alarm Tools System The various menus have a drop down list offering various operational and visual options 5 3 Sky view The Sky view display shows which satellites the system is tracking and using in the position computation The satellites are presented according to satellite geometry The grey outer circle...

Page 73: ...d satellite Disabled satellite Correction satellite Figure 38 Satellite colours Satellites marked grey are disabled as they are not used directly in the position fix e g satellites under the elevation mask or satellites under a shadow sector The bar s at the bottom of each satellite represents the signal to noise level for the satellite and the longer the bar the stronger the signal The upper bar ...

Page 74: ...iguration dialog It is possible to enable or disable the correction satellites the signal bars the track plot and the shadow sectors Figure 41 Tooltip for GLONASS satellite with corrections 5 4 DGNSS views There are two DGNSS views DGNSS age view and DGNSS status view Both views indicate the status of the available correction links All links are indicated using green colour if correction data are ...

Page 75: ...Figure 43 presents each link as a circular button and presents a bar that indicates the quality as the age of the corrections received through that link If a bar is filled green the correction signals are newer The older the signals are the shorter the bar is If the bar is grey the age of the corrections has exceeded the maximum age and the corrections from the link are not in use The maximum age ...

Page 76: ...n accuracy levels is expressed in three states Safe Caution and Unsafe according to the requirements The different states are indicated with colours green yellow and red on the vertical bar in the view Part of the view is also an error ellipse that describes the position quality and the geometry of the position solution The position accuracy level is configurable from the setup file the value is d...

Page 77: ...curacy level but a single satellite failure might not be detected If such a satellite failure is detected the actual horizontal position error might exceed the selected integrity limit 95 confidence level With only four satellites three when height aiding is chosen there is no way to detect a satellite failure and the system will always be in the state Caution or Unsafe The expected accuracy and H...

Page 78: ... and heading of the vessel Longitudinal and transversal speed SL and ST are presented together with arrows indicating forward aft and port starboard directions The arrows and the vessel s course over ground COG are not displayed if the speed over ground SOG is less than 0 1 m s Also the vessel roll pitch heave and rate of turn ROT are shown in this view Note The displayed speed values apply to the...

Page 79: ...s The user may zoom in parts of each plot The colour of the time series indicates the data quality In the heave time series both real time heave and delayed heave are presented in the same time series Therefore the heave time series is always 2 minutes delayed in time in order to be able to present both measurements in the same curve and for the same sample ...

Page 80: ...1 Figure 47 Times Series view showing data for roll pitch heave and heading 5 9 View menu The View menu is a part of the Application menu located to the far right on the Top bar and holds the Display mode View Display format and Bars features ...

Page 81: ... for daylight use Day black This colour combination uses bright colours but has a dark background Dusk This colour combination is intended for use during dusk or dawn Night This is a special palette with very low contrast on black background intended to be used during night without weakening the night sight of the system operators Figure 48 View menu Press F8 to enter Night mode Press F7 to browse...

Page 82: ... a typical set of tools defined for Seapath and is subject to change without notice 5 10 1 Utilities Satellite Prediction A tool which displays number of satellites and satellite geometry for a defined position and period Copy Configuration A tool that copies all relevant configurations into a zip archive Figure 51 Tools menu 5 10 2 Diagnostics A tool which shows information about available refere...

Page 83: ...Monitor An application which displays the data traffic on all serial and net ports HMI Unit Access Opens the Windows command shell on the HMI Unit PU Access Opens a MSDOS window on the Processing Unit Registry Editor Opens the Windows Registry Editor Explorer Opens the Windows Explorer view 5 10 3 Log NavEngine log Opens the Windows Explorer in the root folder for the NavEngine log data 5 11 Syste...

Page 84: ...Installation Manual ref 1 for a description on how to configure the NavEngine Figure 53 The NavEngine Configuration menu 5 11 2 Information The Information section contains the Help and About dialogs Help Displays a Quick Help dialog presenting some basic help information Figure 54 Quick Help dialog About Presents the About dialog which contains various information about the system such as contact...

Page 85: ...outline drawings showing mechanical dimensions of the Processing and HMI Units the GNSS Antenna Bracket and Holder the MRU 5 and its mounting bracket the MRU junction box the GNSS antennas and the 6U cabinet Note The drawings are note to scale To scale drawings are available on request ...

Page 86: ...Seapath 320 72 Man_techn_seapath320 rev 1 6 1 Processing and HMI Units ...

Page 87: ...Technical Description Man_techn_seapath320 rev 1 73 ...

Page 88: ...Seapath 320 74 Man_techn_seapath320 rev 1 6 2 Antenna bracket ...

Page 89: ...Technical Description Man_techn_seapath320 rev 1 75 6 3 MRU and mounting bracket ...

Page 90: ...Seapath 320 76 Man_techn_seapath320 rev 1 ...

Page 91: ...Technical Description Man_techn_seapath320 rev 1 77 6 4 MRU junction box ...

Page 92: ...Seapath 320 78 Man_techn_seapath320 rev 1 6 5 GNSS antenna mechanical drawings Excerpt from GPS 702 GG GPS 701 GG and GPS702 GG N User Guide OM 20000095 rev 1B August 7 2009 NovAtel Inc ...

Page 93: ...nuts are well tightened 2 Align the mount thread with the metal adapter on the bottom of the antenna and rotate the antenna clockwise until it is securely screwed to the mount Using a wrench tighten the adapter to the mount 3 Remove the dust cap from the antenna s N Type connector 4 Attach the male N Type connector of the coaxial cable to the antenna s N Type 5 Attach the end of the coaxial cable ...

Page 94: ...r to ensure your antenna performs optimally keep the radome top surface of the antenna clean and brush off any ice and snow In addition ensure the N Type connector remains clean and dry and replace the dust cap when a cable is not connected Excerpt from GPS 702 GG GPS 701 GG and GPS702 GG N User Guide OM 20000095 rev 1B August 7 2009 NovAtel Inc ...

Page 95: ...Technical Description Man_techn_seapath320 rev 1 81 6 7 6 U cabinet dimensions ...

Page 96: ...Seapath 320 82 Man_techn_seapath320 rev 1 ...

Page 97: ...use MRU 5 1 The MRU 5 sensor MRU M MB3 1 MRU wall mounting bracket MRU E JB1 1 MRU junction box for flexible connection of MRU to Seapath MRU E CS1 1 Cable heavy duty screened cable with 14 twisted pairs 3 m MRU M SC1 1 MRU transportation box M300 72 1 Seapath 320 Product Manuals The Seapath 320 can be delivered with following optional equipment Part no Description G070 01 Cable GPS antenna Superf...

Page 98: ...Seapath 320 84 Man_techn_seapath320 rev 1 ...

Page 99: ...thernet connection 25 events 59 F F2 57 F3 57 F5 57 F7 68 F8 68 G GLONASS 60 GNSS antenna installation 81 GPS 60 L LED 26 30 log70 M MRU geometry 46 MRU Mounting Wizard 46 N Night mode 68 P pin layout 20 pin layout MRU 24 PPS signal 22 R relay alarm signal 23 S SBAS 60 SBAS tracking 46 serial lines 21 Sky view 59 SL 65 SOG 65 ST 65 System mode 58 system modes 38 ...

Page 100: ...Seapath 320 86 Man_techn_seapath320 rev 1 ...

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