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RAMSES RT 2500 S Universal – User Guide

VII

M

AINTENANCE

This chapter concerns the preventive maintenance of the RT961B2S Release

Transponder. The preventive maintenance operations described below mainly consist of

•

PM01: Washing after recovery

•

PM02: Opening the Release Transponder

•

PM03: Replacing the batteries

•

PM04: Cleaning the O-ring seals

•

PM05: Reassembling the Release Transponder

•

PM06:

Decommissioning

•

PM07:

Recommisionning

MU – RT961SMk2 – AN - 001- A – June 2010

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Summary of Contents for RAMSES RT 2500 S Universal

Page 1: ...RAMSES RT 2500 S Universal RT961S Mk2...

Page 2: ......

Page 3: ...ties of merchantability and fitness for a particular purpose with respect to this product and documentation IXSEA reserves the right to revise or make changes or improvements to this product or docume...

Page 4: ...malfunctions or damages caused by improper use or inadequate maintenance of the product Under no circumstances shall IXSEA be due to provide repair or replacement under this warranty in order a to re...

Page 5: ...1S Mk2 This part helps you to install RT961S Mk2 Part 4 Setting the RT961S Mk2 to Work This part describes the survey parameters to setup the different parts of the system Part 5 Operating the RT961S...

Page 6: ...aths directories programs functions filenames and extensions italic Italic text is the result of an action in the procedures Icons The Note icon indicates that the following information is of interest...

Page 7: ...s CIF Common Interrogation Frequency CRF Common Response Frequency IIF Individual Interrogation Frequency IRF Individual Response Frequency MDS Minimum Detect Signal MFSK Multiple Frequency Shift Keyi...

Page 8: ...chanical Drawing 6 II 2 Acoustic Specifications 7 II 2 1 Reception Specifications 7 II 2 2 Transmission Specifications 7 II 2 3 Operating Modes 8 II 2 3 1 Remote Control Mode 8 II 2 3 2 Transponder Mo...

Page 9: ...g the Configuration 30 VI 5 3 1 Loading Saving a Configuration from a Disk 30 VI 5 3 2 Resetting the Configuration 31 VI 5 3 3 Saving the Configuration to the Beacon 31 VI 5 4 Configuring the Interrog...

Page 10: ......

Page 11: ...erate in transponder acoustically triggered or responder electrically triggered mode Figure 1 RT961B2S Mk2 Release Transponder Figure 2 Mooring Structure The RT961S Mk2 are compatible with Compatibili...

Page 12: ...ut a release hook version ET961S Mk2 Depending of the model the configuration of the transponder is possible via an internal RS232 serial port or via an external waterproof plug Two models of this tra...

Page 13: ...ming and qualified with the following performances Safe Working Load 2 500 daN Release Load 2 500 daN Test Load 5 000 daN Optional Pressure Sensor with acoustical or electrical data transmission Dimen...

Page 14: ...al Pressure Sensor with acoustical or electrical data transmission Dimensions length 690 mm diameter 130 mm tube diameter 126 mm Weight with remote transducer PET661S In air 23 kg In water 17 kg Mecha...

Page 15: ...ough the tube The RT961B2S Mk2 release hook is a 2 5 tons load release used when the load is in the axis of the RT961B2S Mk2 and the release unit on the side Figure 7 B2S Release System End Cap The re...

Page 16: ...he opposite side the lever turns around an axis ref 910 1529 One hook ref 910 2923A receiving the release ring This hook is locked to the lever at one end and turns around the axis ref 910 1528 at the...

Page 17: ...s factory configured monochromatic signals and or M FSK frequencies durations and chirp codes Two channels IIF and CIF dedicated to the transponder mode on site configurable monochromatic signals and...

Page 18: ...IIF ENABLE IIF1 CIF ENABLE IIF2 IIF ENABLE IIF1 CIF DISABLE IIF2 IIF DISABLE IIF1 CIF ENABLE IIF2 IIF DISABLE IIF1 CIF DISABLE IIF2 ENABLE DISABLE responder channels RESPONDER ON IIF IIF1 RESPONDER O...

Page 19: ...emote control unit of by serial link The activation of one channel in Responder mode inhibits the Transponder mode on the same channel In this mode the interrogation is achieved by a electrical synchr...

Page 20: ...added or not after the positioning transmission depending on the status of the Telemetry mode this mode is activated by the Telemetry ON OFF command from the acoustic remote control Remote control sp...

Page 21: ...y failure Protection against the polarity inversions II 3 2 OPTIONAL EXTERNAL INPUT The optional external plug is used to transmit the responder signals the external power supply and the serial port M...

Page 22: ...ystem without any welding of the cells The replacement of Alkaline cells by Lithium cells and the opposite is straightforward and does not require any hardware modification The assessment of lifetime...

Page 23: ...the installation we recommend to check the contents of the pack and the equipment immediately on receipt of your system Specifically you should check that all items are present on delivery and that n...

Page 24: ...syntactic foam buoyancy Transducer Position Use a hose clamp rubber protection and jubilee clips to secure the transponder Fastening It is also recommended to avoid transmitting the mechanical vibrat...

Page 25: ...ponder mode can be tested by switching on the unit and sending a 10 ms wide and positive 5 V pulse on the responder input The RT961B2S Mk2 transmits then a CRF acoustic pulse Responder Mode Test Test...

Page 26: ...S Mk2 Once you have checked the operating state of the RT961S Mk2 see section IV 2 you are ready to set up the mooring See on Figure 14 the structure of an immersed mooring Setting up the mooring Figu...

Page 27: ...specified by IXSEA B2S body must never be used as fulcrum Pay special attention to the fact that parts of the RT961S Mk2 made of UNS32550 Super Duplex material are isolated from any dissimilar metal...

Page 28: ...Allen key size 5 3 Check the position of the dog clutch before proceeding further Dog clutch should be in the position shown on the picture hereafter If it is not the case Transmit an ARM RELEASE sequ...

Page 29: ...Rock the lever ref 910 2922 in order to lean on the Dog Clutch shaft ref 9101661A 7 While holding the lever in contact fit the locking screw ref 910 1662 and screw it up NB Fit the locking screw with...

Page 30: ...dicated in the corresponding User Manual 2 See individual Factory Acceptance Test or the label stuck on the main body of the transponder 3 Transmit the ARM ARM code and check for indication of receipt...

Page 31: ...until the distance equals approximately the depth At this position stop the vessel and proceed with Release operation as follows Step Action 1 Send a Release command with your remote control device US...

Page 32: ...it does not bump against the hull of the vessel The vessel is not moving too quickly causing eddies or turbulence around the acoustic head No frequency or code error has been made Make sure that the d...

Page 33: ...SP2 Windows operating system This workstation should also be equipped with a USB plug Procedure Step Action 1 Insert the provided CD ROM into your PC workstation The installation procedure starts aut...

Page 34: ...the transponder See maintenance PM03 in section VII 2 Connect the serial cable to the electronic board on the J9 plug see photo below and to the serial port of the workstation The RT961B2S Mk2 is rea...

Page 35: ...manages the communication with the transponder Beacon Profile area allows to Perform a factory reset Save the current configuration on a disk Load the previously saved configuration from a disk Gener...

Page 36: ...he RT961B2S Mk2 Settings tab see Figure 18 The RT961B2S Mk2 Settings tab is divided in the following areas RT961B2S Mk2 Settings Tab Individual Interrogation Common Interrogation Time Acoustic Thresho...

Page 37: ...ng Time 0 4 to 10 0 0 1 step s Turn Around Time 0 02 to 0 2 0 005 step s Pressure Link Acoustic and or Serial or none Acoustic Threshold 191 188 185 dB Acoustic Remote Command Beacon Arming Release Re...

Page 38: ...n and the transponder section VI 5 2 Managing the configuration section VI 5 3 Editing the configuration parameters The interrogation and answer frequency codes section VI 5 4 The blanking and turn ar...

Page 39: ...tion port is added to the list Check before connecting the transponder which com ports are already present to be able to choose directly the right com port once you have connected the transponder Step...

Page 40: ...the folders 2 Select the configuration file profil that you want to load 3 Click on Open The configuration is loaded All parameters are set up on the MMI window in the appropriate tab 4 End of procedu...

Page 41: ...G PARAMETERS TO THE DEFAULT FACTORY VALUES IF SPECIFIC PARAMETERS HAVE BEEN ASKED USE THE profil FILE OF THE BEACON VI 5 3 3 Saving the Configuration to the Beacon Figure 22 Saving the Configuration t...

Page 42: ...mode the interrogation is made by an electrical signal and only the response CRF or IRF is acoustic and must be configured the other CIF and IIF is grayed Enable transponder Disable responder The tran...

Page 43: ...e access to the single frequencies on the dial If the transponder is tracked by POSIDONIA click on the middle of the vertical bar below CRF or IRF to have access to the POSIDONIA M FSK codes on the di...

Page 44: ...Set the tab on the Blanking Time ruler at the value to be selected from 0 4 s to 10 0 s in 0 1 s steps 2 Set the tab on the Turn Around Time ruler at the value to be selected from 0 02 s to 0 2 s in...

Page 45: ...is sent in NMEA format VI 5 8 CHECKING THE ACOUSTIC REMOTE COMMANDS In this section we describe the Acoustic remote area see Figure 27 that allows you to check before deployment the acoustic commands...

Page 46: ...If the transponder is tracked by POSIDONIA click on the middle of the vertical bar below CAF to have access to the POSIDONIA M FSK codes on the dial click on the frequency of your choice to select it...

Page 47: ...ignals click on the bottom of the vertical bar below PRF to display the single frequencies on the dial If the transponder is tracked by POSIDONIA click on the middle of the vertical bar below PRF to h...

Page 48: ...These tasks available are Button Release sends a release order Button Diagnostic displays the current voltage of the internal batteries Button Telemetry displays the current pressure data from the opt...

Page 49: ...Utility window 6 End of procedure VI 6 1 3 Displaying the Current Pressure Optional The Telemetry button is provisional for monitoring the pressure data if the RT961B2S Mk2 transponder is equipped of...

Page 50: ...Transponder The preventive maintenance operations described below mainly consist of PM01 Washing after recovery PM02 Opening the Release Transponder PM03 Replacing the batteries PM04 Cleaning the O ri...

Page 51: ...been dragged on the seabed thus collecting sediments sand mud 2 When all foreign particles have been removed flush the Release Transponder with fresh water 3 Visually inspect the acoustic actuator for...

Page 52: ...together with any instrument ALLEN key and its extension arm ref FO910 2971 or FOKIT B2S Two ALLEN keys size 5 mm for dismantling of the hook Metal bar not provided by IXSEA Procedure Step Action 1 P...

Page 53: ...rewing the locking screw as shown alternatively open the hook using an IXSEA compatible acoustic remote control unit Store the locking screw in a safe place for later re assembly 3 Remove the lever ar...

Page 54: ...tion 5 minutes Step Action 4 Open the instrument Using the opening closing ALLEN key ref FOKIT B2S unscrew the central locking screw located on the lower end plate anticlockwise until both end plates...

Page 55: ...head connector Flat brown 3 ways plug Keep on removing the upper end plate with is integral internal strength member Install it on a clean surface paying special attention to sealing surfaces and O R...

Page 56: ...at sea it is recommended to install new battery packs Step Action 1 Prepare and check 18 off D Size cells and one 9 V Alkaline battery 6LR61 2 Open the Release Transponder Follow the PM02 3 Remove the...

Page 57: ...needed see section II 3 5 Duration 15 minutes Step Action 7 If necessary but recommended any time the main battery package is replaced replace the 9 V battery 6LR61 in its small separate box located o...

Page 58: ...pressure housing tube using a soft tissue or fabric and apply a fresh thin coat of silicon grease RHODORSIL 33 or RHODORSIL 55 recommended 3 Remove the old O Ring from the lower end plate integral wi...

Page 59: ...ts correct operation Preliminary Steps Connect the transducer head to the electronic package Test correct operation using surface remote control unit or direct cable link and software if applicable In...

Page 60: ...upper end plate in its close position The central axis is not aligned with end plate center You may have to slightly orientate the end plate so that its can be inserted in position 4 Using the standa...

Page 61: ...nce Sub system none Reference PM05 Page 3 3 Subject Reassembling the Release Transponder Periodicity after each opening Duration Step Action 6 Check after closing Check operational tests Check all ins...

Page 62: ...of the unit is recommended for transport Precautions For any handling operation use the suitable handling gear lifting gear shackles slings straps For any transport and or storage the system must be...

Page 63: ...ot provided by IXSEA Every time the unit is recommissioned Systematically check the charge condition of the remote control unit battery pack charging the battery pack is recommended Precautions None P...

Page 64: ...port ixsea com by phone through IXSEA 24 7 hot line 33 0 1 30 08 98 98 for EMEA 1 888 660 8836 toll free for US 65 6747 7027 for Asia Contact IXSEA support for any request on technical matters related...

Page 65: ...RLANDS Tel 31 23 750 5110 Fax 31 23 750 5111 IXSEA Ltd UK Main Office UK Aberdeen Tel 44 0 2392 658252 Tel 44 1224 355 160 Fax 44 0 2392 658253 Fax 44 1224 826 622 IXSEA inc USA Tel 1 781 937 8800 Fax...

Page 66: ...1 VIA SERIAL LINK RT9X1 Configuration Cable RS232C p n 9300214 9 6 3 Nappe 9 DB9 S Nappe 4 Nappe 8 Nappe 1 2 Nappe 6 Nappe 3 Nappe 5 B MECHANICAL DRAWINGS B 1 RT961B2S Mk2 B 2 RT961CS HD R Mk2 B 3 PET...

Page 67: ...RAMSES RT 2500 S Universal User Guide MU RT961SMk2 AN 001 A June 2010 57...

Page 68: ...RAMSES RT 2500 S Universal User Guide MU RT961SMk2 AN 001 A June 2010 58...

Page 69: ...RAMSES RT 2500 S Universal User Guide MU RT961SMk2 AN 001 A June 2010 59...

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