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Section 3 – Technical Description 

3.5  Battery 

The Lodestar contains a backup lithium-ion battery to cope with short external power interruptions 
and has a life of approximately five minutes with no external power. The battery is charged from the 
external power supply and when depleted, takes approximately 20 minutes to reach full charge. 

3.6  Connector Ports 

The Lodestar 500 is provided with 4 x Seacon connector ports as shown in 

Figure 3-2

. The 

connector port functions are described in 

Table 3-1

Figure 3-2  Lodestar 500 Connect Ports 

 

Table 3-1  Lodestar 500 Connector Port Functions  

Lodestar 500 Port 

Function 

CP/E1 

RS232 and RS485 Full Duplex Communications and Input Power 

Ethernet (100 Mbit/s) Communications and Input Trigger 

C1 

RS232 Communications, Input Trigger and Power Pass Through 

T1 

RS232 and RS485 Half Duplex Communications, Output Trigger and Power 
Pass Through 

T2 

RS232 and RS485 Half Duplex Communications, Output Trigger and Power 
Pass Through 

 

 

 

Summary of Contents for 8084-6510

Page 1: ... Blackbushe Business Park Yateley Hampshire GU46 6GD United Kingdom T 44 0 1252 872288 F 44 0 1252 876100 E support sonardyne com W www sonardyne com UM 8084 6510 User Manual for Lodestar 500 Issue A Rev 1 Issue Date 27 January 2016 ...

Page 2: ...parties and as such may not be used disclosed or placed in the public domain by whatever means by the customer except expressly in accordance with and subject to the above referenced terms and conditions of sale The copyright and any and all intellectual property rights of any and all third parties which may be referenced in this user manual or which may have provided proprietary products and or s...

Page 3: ...e personnel Our aim is to make sure emergency requests are dealt with immediately during office hours and are responded to within 30 minutes at all other times Please note the helpline is for emergency use only If you require non emergency product support please contact your nearest Sonardyne office Alternatively contact the Sonardyne Head Office Sonardyne International Ltd Blackbushe Business Par...

Page 4: ...4 Power Pass Through 5 3 5 Battery 6 3 6 Connector Ports 6 3 6 1 CP E1 Pin out Functions 7 3 6 2 C1 Pin out Functions 7 3 6 3 T1 T2 Pin out Functions 8 3 6 4 Trigger Input 8 3 7 Pressure Relief Vent Valve 9 Section 4 Installation 10 4 1 Introduction 10 4 2 Unpacking and Inspecting 10 4 3 Installation Location 10 4 4 Mounting 11 4 4 1 Site Preparation 11 4 4 2 Mounting Holes and Dowels 11 4 5 Vehic...

Page 5: ...e requisites 18 8 2 2 Update Procedure 18 Section 9 Lodestar Messages Specification 22 9 1 AHRS Messages 22 9 2 SPRINT INS Operation 22 Section 10 Troubleshooting 23 10 1 Introduction 23 10 2 Lodestar Hardware Test Procedure 23 10 3 Recovery Procedures 25 10 3 1 Lodestar Hardware Reset 25 10 3 2 Restore Lodestar Factory Settings 25 Section 11 Spares 27 11 1 Introduction 27 11 2 Lodestar 500 Spares...

Page 6: ...2 Endcap Alignment Markings 12 Figure 10 1 Lodestar Hardware Test Procedure 24 Figure 12 1 Lodestar Outline Dimensions mm 28 Tables Table 1 1 Related Publications 1 Table 3 1 Lodestar 500 Connector Port Functions 6 Table 3 2 Lodestar 500 CP E1 Pin Out 7 Table 3 3 Lodestar 500 C1 Pin Out 7 Table 3 4 Lodestar 500 T1 T2 Pin Out 8 Table 3 5 Lodestar 500 Trigger Input 8 Table 6 1 Storage Conditions 15 ...

Page 7: ...Lodestar 500 UM 8084 6510 Issue A Rev 1 vii Amendment History The amendment history records all amendments and additions made to this manual Issue Revision Date Comments Section Page A 1 27 01 16 Initial Issue All All ...

Page 8: ... in any additional manuals are read and fully understood 1 3 U S Department of Commerce License This product contains U S Department of Commerce controlled items As such the Lodestar 500 or Lodestar portion of the product must not be removed from the housing be disassembled or repaired outside of the terms and conditions detailed in the U S Department of Commerce Re Export Licence under which the ...

Page 9: ... of the system 2 2 Safety Procedures 2 2 1 Warnings Personal protection Appropriate protective equipment such as protective footwear hard hat and gloves must be worn when handling or carrying out any procedures involving Sonardyne and other equipment Heavy equipment Many Sonardyne products and equipment types such as Lodestar transponders transceivers cable drums etc require Manual Handling Equipm...

Page 10: ...ons Incorrect Power Supply Make sure the Lodestar is supplied with 20 VDC to 50 VDC Do not use an AC power supply Damage to connectors Failure to clean sand or silt correctly could result in damage to the connectors and O ring seals ...

Page 11: ...f an integrated system The Lodestar 500 provides the following as standard Industry standard output telegrams Battery backup to maintain uninterrupted operation in the event of brief power failure 8 GB of internal memory Upgrade capability to a full INS that provides additional outputs of position velocity orientation and angular velocity at high update rates 0 04 dynamic to 0 1 secant latitude 0 ...

Page 12: ...0V DC power supply through the CP port A power supply is not provided with the Lodestar 500 Refer to Section 12 Technical Specifications for power requirements 3 4 Power Pass Through The Lodestar is capable of passing through input power 20V to 50V DC from an external power supply to sensors connected to the Lodestar s C1 T1 and T2 ports Refer to SPRINT User Manual UM 8253 for operational use ...

Page 13: ...provided with 4 x Seacon connector ports as shown in Figure 3 2 The connector port functions are described in Table 3 1 Figure 3 2 Lodestar 500 Connect Ports Table 3 1 Lodestar 500 Connector Port Functions Lodestar 500 Port Function CP E1 RS232 and RS485 Full Duplex Communications and Input Power Ethernet 100 Mbit s Communications and Input Trigger C1 RS232 Communications Input Trigger and Power P...

Page 14: ... 8 RS232 485 Select Connect to 0V1 for RS232 Not connected for RS485 10 Ethernet RD Pin 2 11 RX TX RS232 RS485 Pin 3 12 Ethernet TD Pin 3 13 TX TX RS232 Pin 2 RS485 Pin 4 14 RX RS485 Pin 1 15 Ethernet RD Pin 1 16 RX RS485 Pin 2 3 6 2 C1 Pin out Functions The Lodestar 500 C1 connector pin functions are shown in Table 3 3 Table 3 3 Lodestar 500 C1 Pin Out Seacon Pin No Function Connection 2 0V1 RS23...

Page 15: ...nection 2 0V1 RS232 RS485 Pin 5 BNC Inner 3 Trigger 0v BNC Outer 4 DC 0V Black Socket 5 TX TX RS232 Pin 2 RS485 Pin 4 6 RX TX RS232 RS485 Pin 3 7 DC Out Red Socket 3 6 4 Trigger Input The Lodestar trigger input characteristics are shown in Table 3 5 Table 3 5 Lodestar 500 Trigger Input Parameter Specification Voltage Recommended 0 V 5 V Minimum 0 V 3 6 V Pulse Width Recommended 10 ms Minimum 5 µs ...

Page 16: ...build up of gas inside the transponder caused by the charging process or a failing battery The Pressure Relief Vent Valve must be checked before installing and operating the Seanet Lodestar refer to Section 4 6 1 Checking the Pressure Relief Vent Valve Figure 3 3 Pressure Relief Vent Valve Pressure Relief Vent Valve ...

Page 17: ...f damage 4 3 Installation Location The Lodestar 500 can be installed at any convenient location on the vehicle However to gain optimal performance from the system identify a location to install the Lodestar 500 that conforms as closely as possible to the following criteria If possible the location should be close to the vehicle centre of rotation under normal operating conditions The location must...

Page 18: ...ing angles and entering them in the AHRS or SPRINT software refer to Section 4 5 Vehicle Alignment 4 4 2 Mounting Holes and Dowels The subsea Lodestar has a set of eight mounting holes on the underside of the unit In addition there are two sets of three dowel alignment holes and four alignment flats The mounting holes dowel alignment holes and alignment flats are shown in Figure 4 1 Note The forwa...

Page 19: ...configured for any mounting angle that may be required An in depth description of the theory and process for measuring and configuring mounting angles can be found in the following user manuals UM 8253 User Manual for SPRINT UM 8084 107 Lodestar AHRS Operation Manual These manuals also include an explanation for the effects of misalignments between the vehicle and the Lodestar 4 6 Preparing the Lo...

Page 20: ...Pressure Relief Vent Valve Note Refer to Warnings in Section 2 Safety Risk of toxic gases and corrosive liquids 1 Screw an M4 bolt into the Pressure Relief Vent Valve 2 Slowly pull the M4 bolt to withdraw the vent valve 3 To close the vent valve remove the M4 bolt and carefully push the valve in until it is flush with the endcap face 4 6 2 Checking Communications with the Lodestar Check communicat...

Page 21: ...gger C1 RS232 Communications Input Trigger and Power Pass Through T1 RS232 and RS485 Half Duplex Communications Output Trigger and Power Pass Through T2 RS232 and RS485 Half Duplex Communications Output Trigger and Power Pass Through 5 2 AHRS Operation For operation of the Seanet Lodestar as an Attitude and Heading Reference System AHRS refer to UM 8084 107 Lodestar AHRS Operation Manual 5 3 SPRIN...

Page 22: ...tar 500 in its transit case 2 Equipment must be kept in a dry non condensing atmosphere 20 to 80 humidity free from corrosive agents and isolated from sources of vibration 3 The packaging should be stored on solid level and damp proof floors It must not be stored directly on damp or dirt floors or areas prone to flooding In this case suitable shelving raised off the floor should be used 4 It is re...

Page 23: ...ry the instrument and any attached cabling with a clean lint free cloth 4 Replace any attached dummy plugs protective caps 7 5 Inspecting Regularly inspect the instrument for the following 1 Inspect the Pressure Relief Vent Valve refer to Section 4 6 1 Checking the Pressure Relief Vent Valve 2 Inspect the housing for signs of damage At full working depth the instrument housing is at risk of failur...

Page 24: ...or use in the main navigation systems of the majority of today s commercial and business aircraft The sensors are maintenance free Lodestar based products do not require re calibration subsequent to initial factory calibration unless The unit has been subject to excessive shock beyond quoted specification Performance re verification is requested by the customer Performance re verification is often...

Page 25: ...llow the procedures in Sections 8 2 1 and 8 2 2 8 2 Updating the Firmware 8 2 1 Pre requisites Before upgrading the firmware ensure you have the following available The new firmware file IMU hex A serial connection to the Lodestar on the CP port A Lodestar PC Utility installation 8 2 2 Update Procedure 1 Connect the Lodestar CP port to the PC either directly via RS232 or through a Navigation Senso...

Page 26: ...star as a text file this is recommended for a backup 5 Click Download Firmware 6 Click Yes to confirm 7 Browse to the folder and select the new IMU HEX file to download supplied by Sonardyne 8 A warning will be displayed asking if you are sure that selected file is a Lodestar firmware file 9 Click Yes to continue ...

Page 27: ...200 baud for all firmware downloads 11 Click Start to commence the download at this point the progress bar will show download status download time at 115200 is less than five minutes Note Do not interact with the PC while the download is in progress 12 Once the download is complete click Done ...

Page 28: ...ction 8 Firmware Update 21 13 At this point the utility will re boot the Lodestar 14 Once complete the Lodestar PC Utility will re program the Lodestar with the same configuration it had before the update ...

Page 29: ...for AHRS operation are listed in the Lodestar AHRS Messages manual refer to UM 8084 109 Lodestar AHRS Messages 9 2 SPRINT INS Operation In addition to the AHRS messages referenced above additional Input and Output messages are supported for SPRINT INS Operation The additional messages are listed in SPRINT user manual refer to UM 8253 User Manual for SPRINT ...

Page 30: ...this by supplying a copy of the relevant configuration file saved automatically by the Lodestar or SPRINT INS log files refer to UM 8084 107 AHRS Operation Manual or UM 8253 User Manual for SPRINT for more information 10 2 Lodestar Hardware Test Procedure Figure 10 1 shows the recommended test procedure to follow if it is suspected that Lodestar 500 has developed a fault You can use this test proc...

Page 31: ...Section 10 Troubleshooting 24 Figure 10 1 Lodestar Hardware Test Procedure ...

Page 32: ...n also be performed using the Reset Lodestar button on the Lodestar dialog 10 3 2 Restore Lodestar Factory Settings Lodestar can be commanded to restore its factory default settings If factory settings are restored all previous user defined settings in Lodestar will be lost It is recommended a careful note is taken of any required settings before restoring factory settings refer to UM 8084 107 AHR...

Page 33: ... Utility will reboot Lodestar and reset it to factory default state It will then wait for Lodestar to re boot 7 After the boot process has completed the Lodestar PC Utility will attempt to connect to Lodestar using factory default settings If successful the lodestar information will be displayed ...

Page 34: ...e description Enquiries about or orders for spare parts should be directed to your local Sonardyne office or agent see back page for Sonardyne office addresses 11 2 Lodestar 500 Spares List Description Drawing Number Stock Code Lodestar Battery MGL200415s 270 0610 Lodestar Manual CD 8084 245 A1 920 0095 Lodestar Transit Case PROTECHNIC 84447 790 1139 ...

Page 35: ...hnical Drawing Figure 12 1 Lodestar Outline Dimensions mm 12 2 Specifications 12 2 1 Performance Parameter Specification Heading Accuracy 0 04 to 0 1 Secant latitude RMS Settling time Better than 5 minutes Follow up speed 500 per second Roll and pitch range 90 to 90 no physical limit ...

Page 36: ...pport Up to 5 minutes from a fully charged condition Data storage 8 GB onboard Number of digital communication ports 5 Protocol RS232 RS485 Half and Full Duplex or Ethernet 100 Mbit s 12 2 3 Environmental Parameter Specification Ingress 6000 metres depth rated Operating Temperature 20 C to 55 C Storage Temperature 20 C to 60 C Operational Shock Rating 10 g 11 ms half sine 12 2 4 Mechanical Paramet...

Page 37: ...Forward IMU Inertial Measurement Unit Inertial Navigation System INS A navigation aid that uses inertial sensors to continuously calculate the position orientation and velocity of a moving object MTBF Mean Time Before Failure PC Personal Computer RLG Ring Laser Gyroscope A sensor that measures rotation SPRINT An Acoustically aided inertial navigation system for subsea vehicles The system extends t...

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