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Configuration and Operations

LD900 Installation and Oper ations M anual

4.7 Receiver

The

Receiver

menu page provides information and control of the receiver related settings. This section details

the dif ferent menu options and the corresponding settings available.

4.7.1 Receiver > Details

The

Details

page displays the LD900 User Code and Software Version:

4.7.2 Receiver > Authorisations

The

Authorisations

page displays the VERIPOS correction services presently activated for the receiver and

also the GNSS constellations and signals available for use:

Содержание VERIPOS LD900

Страница 1: ...LD900 Installation and Operations Manual AB V MA 00643_RevA3 26 February 2021...

Страница 2: ...e Models 14 2 3 Interface and Connectors 15 3 LD900 Installation 18 3 1 Schematic Examples 18 3 2 Rack Mount Formats 21 3 3 LD900 Location Guidelines 24 3 4 LD900 Mounting 24 3 5 Ventilation Requireme...

Страница 3: ...es 60 6 Reference Information 61 6 1 Technical Specifications 61 6 2 Cabling and Connectors 63 6 3 Veripos H70 PC Specifications 65 6 4 LD900 Output Sentences 66 7 Contact Information 80 7 1 VERIPOS H...

Страница 4: ...nced signal filtering to mitigate the effects of interference Supports RTK operations Multiple communication interfaces for easy installation Optional ALIGN GNSS heading solution Optional SPAN INS sol...

Страница 5: ...tact it would be helpful if the following could be provided Details of the issue or question Vessel name Company name Telephone number Unit User Code VERIPOS hardware type VERIPOS software type Operat...

Страница 6: ...obal Positioning System United States commissioned GNSS HDOP Horizontal Dilution of Precision HDR High Dynamic Range Hz Hertz ID Identification IEC International Electrotechnical Commission IMU Integr...

Страница 7: ...ntrol Protocol TNC A threaded type of RF coaxial connector TNCM A threaded type of RF coaxial connector male UART Universal Asynchronous Receiver Transmitter UI User Interface Ultra VERIPOS high accur...

Страница 8: ...e text is used for hyperlinking to other sections within this document or to external documents or websites Bold italic text is used when display screens are mentioned in text Monospace text is used f...

Страница 9: ...ents contained in the WEEE Directive Instructions for disposal of WEEE by users in the European Union Products which have the undernoted symbol located on either the product itself or its packaging in...

Страница 10: ...t occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encourag...

Страница 11: ...from VERIPOS upon request 1 7 3 2 ROHS The LD900 is in conformity with Directive2011 65 EU of the European Parliament and of the council of 8 June 2011 on the restriction of the use of certain hazard...

Страница 12: ...n disclosure agreement Copyright 2020 VERIPOS Limited All rights reserved No part of this Manual and its contents may be reproduced copied re engineered adapted redistributed published commercially ex...

Страница 13: ...ids Always use the power connections supplied with the unit Before replacing a fuse disconnect the equipment from the power source 1 9 3 Installation During installation ensure the following DC power...

Страница 14: ...system features include Multi channel L band reception supporting all VERIPOS correction services Multi constellation GNSS system with a quad frequency capability Dual antenna inputs for heading Mult...

Страница 15: ...nterfacing with the unit Label Connector Description GNSS1 TNC Primary GNSS connector Used to generate the receiver position and default means of L band signal reception GNSS2 TNC Secondary GNSS anten...

Страница 16: ...systems BothEthernetports supportIPv4Internet layer and TCP IP transport LAN1 of the LD900 is used for data communications and is shipped with a factory default IP address of 192 168 2 91 Connecting...

Страница 17: ...the warranty The supply must be capable of providing enough current to operate the LD900 WARNING To ensure safety only limited power sourceAC DC adapters supplied by VERIPOS should be used with the pr...

Страница 18: ...ctronic equipment WARNING No user accessible parts Disconnect the GNSS antenna s prior to servicing the LD900 Only trained personnel are permitted to install service the LD900 and antennas 3 1 Schemat...

Страница 19: ...LD900 Installation LD900 Installation and Operations Manual 19 3 1 2 Survey Installation LD900 Model Heading Option Independent L band Option...

Страница 20: ...LD900 Installation LD900 Installation and Operations Manual 20 3 1 3 DP Installation LD900M Model Heading Option...

Страница 21: ...ided with a Moxa 8 serial port expansion unit and or UHF receiver as required Single format rack mount front The front facia of the single format rack mount as shown in the above image can be removed...

Страница 22: ...unt securely mounts two LD900 units in an equipment rack with a removable front facia 3 2 3 LD900 and VERIPOS PC Ethernet Cabling Setup For setups that are supplied with a VERIPOS PC Ethernet cabling...

Страница 23: ...pter options Using the left mouse button highlight both Local Area Connection and Local Area Connection 2 then right click and select Bridge Connections Windows will then report the systems as success...

Страница 24: ...nit securely to prevent movement Ensure there is easy access to the interfacepanel Do not mount the receiver in confined spaces Ensure sufficient slack remains in unit cabling to allow easy access to...

Страница 25: ...ion is performed as this will ensure optimum performance and reliability 3 6 1 Antennas The antennas supplied with the LD900 are detailed below these will vary depending on the LD900 model V560 V86 Pr...

Страница 26: ...ount the antenna at the highest possible location away from any obstruction or possible masking If the GNSS antenna does not have good satellite visibility this may lead to system performance degradat...

Страница 27: ...DP Survey or Navigation systems 3 6 4 Placement for Heading Antennas Careful considerationfortheplacementof theprimaryand secondaryantennasis requiredtomaximisetheLD900 GNSS heading accuracy 3 6 4 1...

Страница 28: ...he UHF receiver The UHF antenna should be ideally 2 metres away from other antennas The metal brackets and metal base of the UHF antennae should be installed below the line of sight of GNSS or L band...

Страница 29: ...ion A support wire is used where the cable run has to cross a free space and does not rely solely on cable ties for support Sufficient space is available in the selected cable entry through the bulkhe...

Страница 30: ...ect power to the rear of the unit Once the system has booted the Status page will be displayed Status page examples with a LD900L model shown on left LD900M model shown on right 4 2 Front Panel Interf...

Страница 31: ...LD900M Models The Status page of LD900 and LD900M models provides a high level system overview by highlighting the state of four LD900 operational items Positioning Corrections GNSS and Heading or IN...

Страница 32: ...dicatorStates Beam sync Services enabled SS 32 5dB System using MF SBAS or UHF corrections No beam sync All corrections disabled Available correction sources will be highlighted LD900M models SBAS ena...

Страница 33: ...service Latitude DD MM SS SSSS WGS84 Longitude DDD MM SS SSSS WGS84 Height Antenna height WGS84 2d SD Horizontal standard deviation 4 5 3 Status Corrections The Corrections page displays the followin...

Страница 34: ...ble NTRIP in use NTRIP configured but not in use NTRIP not configured or L band healthy 4 5 3 3 Status Corrections MF The MF page displays the following information Signal Strength Signal strength in...

Страница 35: ...th used and tracked satellites for each constellation the DOP values and the tracking Elevation Mask 4 5 5 Status Heading The Heading page displays the present heading the current heading standard dev...

Страница 36: ...page changes canbe made to the PPP Mode and both the NMEA Config and TRINAV Config by clicking on the corresponding Edit options 4 6 1 1 Configuration Positioning Mode Within the Positioning menu page...

Страница 37: ...recision and PPP DQI values of the GGA Sentence GGA Precision The GGA Precision value is set to 5 by default but can be set to 5 6 7 or 8 as required PPP DQI The GGA Precision value is set to 5 by def...

Страница 38: ...but can be set to a value between 01 and 99 as required 4 6 2 Configuration Corrections Within the Corrections menu page L Band MF UHF SBAS RTK and NTRIP changes can be madeby clicking on the correspo...

Страница 39: ...erence in the Appendix Alternatively the VERIPOS software Verichart can be used to assess L band availability by creating work location specific coverage charts Beam Name Coverage 98W North America Gu...

Страница 40: ...ng to dampen potential sources of RF distortion at the cost of increased CPU usage It is recommended that if any L band tracking issues are observed intermittent low or no signal this option is enable...

Страница 41: ...followed by tick Then use the arrow keys and tick to select one the displayed UHF frequencies Apply right to select Yes and tick to apply the change 4 6 2 4 Configuration Corrections SBAS Within the S...

Страница 42: ...tick to select Edit and use the arrow buttons to select Off or RTCMv3 as required Then use the arrow keys and tick to select Apply right to select Yesand tick to apply the required change 4 6 2 6 Conf...

Страница 43: ...mined to be the optimal setting Press tick to select Edit and use the arrow buttons to enter a value between 0 default and 89 Then use the arrow keys and tick to select Apply right to select Yes and t...

Страница 44: ...played With Baud Rate highlighted use tick to Edit the baud rate if required LD900 COMs 1 3 are set to a baud rate of 115200 by default but support a baud rate between 1200 to 460800 Use the Arrow key...

Страница 45: ...firm When selecting None all input and outputs for that particular COM port will cease and the user will be returned to the Configuration Ports page If selecting Input or Output the provided response...

Страница 46: ...TCP IP ports These ports are set as TCP IP hosts allowing for client connections There are up to seven ICOM ports available If the single format rack mount system is interfaced the seven ICOM ports wi...

Страница 47: ...erial port expansion unit ports and will be available These will be named P1 P7 To select a specific port for input or output use the arrow buttons and tick to select the required P port A P Settings...

Страница 48: ...puts for that particular COM port will cease and the user will be returned to the Configuration Ports page If selecting Input or Output the provided response will determine which additional configurat...

Страница 49: ...ill be returned to the Configuration Ports page 4 6 5 Configuration Heading LD900 models LD900 and LD900M supplied with heading capability and an enabled heading State within the unit will be capable...

Страница 50: ...keys to select Heading Offset followed by tick Then use the arrow buttons and tick to enter a value between 180 00 and 180 00 Use the arrow keys to select Apply right to select Yes and tick to apply...

Страница 51: ...y tick Then use the arrow buttons and tick enter an X value within 180 00 Use the arrow keys and tick to select Done then use the arrow keys and tick to select Apply right to select Yes and tick to ap...

Страница 52: ...This section details the different menu options and the corresponding settings available 4 7 1 Receiver Details The Details page displays the LD900 User Code and Software Version 4 7 2 Receiver Autho...

Страница 53: ...ick on Edit and using the arrow keys and tick select On or Off as required followed by tick Then use the arrow keys and tick to select Apply right to select Yes and tick to apply the change When selec...

Страница 54: ...nd To configure an antenna voltage click on Edit and using the arrow keys select Off or On default as required followed by tick Turning Off will result in a loss of tracking as the power to the antenn...

Страница 55: ..._archive_data zip When exporting from multiple systems to one USB drive each file must be manually renamed or removed after each export to avoid overwriting a file 4 7 8 Receiver Restart Within the Re...

Страница 56: ...nfiguration and Operations LD900 Installation and Operations Manual 56 4 8 Help Support The Help Support page provides details for contacting VERIPOS with support related queries and activation reques...

Страница 57: ...e integrity and correct antenna siting For further guidance please see Antenna and Coaxial Cable Installation Manual GNSS Heading Antenna Installation Guide where relevant to installation 5 2 Power Is...

Страница 58: ...orrect L band source Check the LD900 Source Antenna selection which defines which RF port should be used for connecting the L band input Change if necessary L band antenna voltage turned off Check Rec...

Страница 59: ...ions If this is not the case togglethe Positioning Mode within Configuration Positioning or contact the VERIPOS Helpdesk and request theappropriate service Fault Description Possible Cause Solution No...

Страница 60: ...em with the GNSS1 feed Check coaxial connection to GNSS1and inspect antenna and cabling for damage Confirm that there are no potential sources of interference or physical obstructions around the GNSS1...

Страница 61: ...Reference Information LD900 Installation and Operations Manual 61 6 Reference Information 6 1 Technical Specifications 6 1 1 Dimensions Note All measurements shown are in millimetres...

Страница 62: ...pass Distance 15 cm 6 1 4 Environmental Specifications Operating temperature range 15 C to 55 C Maximum relative humidity 95 non condensing 6 1 5 Electrical Specifications Voltage 12 to 24 VDC Power C...

Страница 63: ...nformation LD900 Installation and Operations Manual 63 6 2 Cabling and Connectors 6 2 1 Power Cable DC J1 Pins From To J1 E1 Tag Name 1 FLYING LEAD PWR 2 NC 3 FLYING LEAD PWR PE NC 6 2 2 Power Adapter...

Страница 64: ...Reference Information LD900 Installation and Operations Manual 64 6 2 3 COM 1 3 Serial Cables Pin RS232 RS422 1 N C 2 TX TX 3 RX RX 4 N C 5 GND 6 N C 7 RX 8 TX 9 N C...

Страница 65: ...dio Output 3 5 mm jack Intel HD Graphics VGA and DVI Display 8 USB Ports 2 0 2 ports front mounted 6 COM Ports 1 port RS232 422 5 ports RS232 PS2 Mouse Keyboard Support with PS2 splitter Front Power S...

Страница 66: ...e of utilising more than only the GPS constellation the talker has a set value for each constellation For sentences where the data relates to multiple constellations the ID GN will be found Not all NM...

Страница 67: ...tude hemisphere dddmm mmmmm Longitude of position b E or W longitude hemisphere q GPS Quality indicator 0 invalid 1 GPS SPS 2 DGNSS fix 4 Fixed RTK 5 Float RTK PPP 6 Dead Reckoning 7 Manual Input Mode...

Страница 68: ...l DGNSS corrections b bb Standard deviation of semi major axis of error ellipse meters c cc Standard deviation of semi minor axis of error ellipse meters d dddd Orientation of semi major axis of error...

Страница 69: ...will be output in the string d d PDOP e e HDOP f f VDOP hh Checksum 6 4 6 GSV Sentence The NMEA GSV sentence provides information relating to the number of satellites SV in view satellite ID numbers...

Страница 70: ...I Positioning mode indicator A Autonomous D Differential E Estimated Dead reckoning M Manual N Data not valid hh Checksum 6 4 8 VTG Sentence The NMEA VTG sentence provides the actual course and speed...

Страница 71: ...order of PRN numbers in GPGSA cc GNSS System ID see tables below for further explanation dd Ranging SignalID see tables below for further explanation hh Checksum GNSS Constellation GPS GNSS System ID...

Страница 72: ...de direction N or S dddmm mmmmmmm Longitude of position c Longitude direction E or W dd ddd Speed over the ground knots eee e Course over ground degrees True ddmmyy Current date fff f Magnetic variati...

Страница 73: ...3 Latitude A13 dm dd mm mmmmmN space between D and M Longitude A14 dm dd mm mmmmmE space between D and M Height F7 3 m Antenna height above ellipsoid See comment 4 HDOP F5 1 Horizontal Dilution of Po...

Страница 74: ...the probability that the MDE would be detected and the significance level used a The values recommended by UKOOA should be used see UKOOA Guidelines for the use of Differential GPS in offshore survey...

Страница 75: ...Height F7 3 m Antenna height above ellipsoid See comment 3 HDOP F5 1 Horizontal Dilution of Position VDOP F5 1 Vertical Dilution of Position Unit Variance F9 3 m2 See comment 4 Variance Latitude F10 6...

Страница 76: ...are elements from the Variance Covariance matrix of the position fix computation un scaled a Unit Variance currently unavailable and will be a NULL field for the moment 5 The External Reliability is t...

Страница 77: ...Manual 77 8 TRINAV V4 Correction Source Codes Type Code Meaning L L band only always followed by 1 i e L1 M L band multi channel followed by number of links tracked e g M3 I Internet source always fo...

Страница 78: ...ayed with spaces dd mm mmmmm 57 Latitude Hemisphere Indicator N or S 58 71 Longitude Longitude displayed with spaces dd mm mmmmm 72 Longitude Hemisphere Indicator E or W 73 79 Altitude above MSL Anten...

Страница 79: ...f the error ellipse in metres 172 177 Orientation Of Semi Major Axis of Error Orientation of the semi major axis degrees from true North 178 179 F Test A test applied to the Unit Variance P Pass F Fai...

Страница 80: ...upport issues should be initially addressed to the VERIPOS Helpdesk Where appropriate the Helpdesk will refer issues to the regional operations and engineering teams 7 1 VERIPOS Helpdesk Details VERIP...

Страница 81: ...IPOS V560 Combined GNSS L band Antenna Fitted with an extended filter designed for Inmarsat rejection L band GPS GLONASS 1525 1610 MHz GPS L2 GLONASS L2 1160 1252 MHz LNA Gain 45db DC Voltage input 3...

Страница 82: ...nna North alignment reference V560 ARP North Alignment Reference The table below details the V560 North East and Up phase centre values for the GNSS L1 and L2 frequencies Relative to Antenna Reference...

Страница 83: ...1 20 3 92 Impedance 50 Capacitance pF ft pF m 23 9 78 4 Inductance uH ft uH m 0 060 0 20 Shielding effectiveness dB 90 DC resistance Inner conductor Outer conductor 1000 ft km 1000 ft km 1 39 1 65 4 6...

Страница 84: ...er conductor Outer conductor 1000 ft km 1000 ft km 3 2 3 89 10 5 12 8 Voltage withstand VDC 1500 Jacket spark Vrms 5000 Peak power kW 5 6 8 2 2 2 Mechanical Specifications Performance Property Units U...

Страница 85: ...ta Bits 8 Parity N Stop Bits 1 NMEA Message Output COM1 NONE NMEA Message Output COM2 NONE NMEA Message Output COM3 NONE NMEA Precision 5 NMEA DQI 5 NMEA Rate 1 TRINAV Version V3 TRINAV Nav Point 1 LA...

Страница 86: ...Appendix LD900 Installation and Operations Manual 86 8 4 L band Coverage Map...

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