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Saab G3 User's Manual

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1. 74 Saab TankRadar Third edition June 1997 Service Manual Electronic Box IG pressure sensor option Cable inlet Protective hose option Insulation Stainless steel cone antenna Figure 6 2 Cross cut of the Cone Antenna perature Connection Box may be deck mounted or pump mounted There is a wire terminal within the transmitter housing used for connection of the optional sensors the Local Display and the cables to the Level Unit The electronics for the Transmitter are intrinsically safe and are placed in the Electronic Box The same type of Electronic Box is used for both types of Transmitters The function of the Transmitter can be tested with the Transmitter Test Cable see chapter 6 2 below 6 1 Replacing an Electronic Box The Electronic Box is placed inside the transmitter housing See figures 6 1 and 6 2 The Electronic Box can be replaced while the system is oper ating Avoid letting water into the transmitter housing Handle with care and make sure the wire terminal is clean and dry Note The Electronic Box is waterproof and must not be opened Always replace the entire Electronic Box if it is faulty Saab TankRadar 75 Third edition June 1997 Service Manual 76 Note Make sure the interior of the transmitter housing is com pletely d
2. mm DE j J Protective hose f Option Thermowell for temperature sensors Figure 7 1 Temperature Connection Box 7 1 Checking a Temperature Sensor The Pt 100 temperature sensor has a near linear relation between resistance and temperature 0 C corresponds to 100 Q and 100 C corresponds to 138 5 Q The relation between the temperature and the resistance is shown in figure 7 3 Saab TankRadar 83 Third edition June 1997 Service Manual When checking the resistance of a Pt 100 sensor observe the additional resistance of the connecting leads which can be either in a 3 wire or 4 wire configuration Note For service of temperature sensors strictly observe the safety regulations for intrinsic safety see chapter 2 1 white Only on Use a certified battery operated multipurpose instrument to 4 wire senson check the resistance of the Pt 100 element The cable leads are colored according to the DIN Standard white white red and red 1 Begin by opening the cover of the Temperature Connec tion Box and disconnect the leads to the Pt 100 element you want to check 2 Measure the resistance between two red cable leads to DIN Standard establish the lead resistance B Then measure the resistance between white and red leads to get the total Figure 7 2 resistance A The resistance of the Pt 100 elements R ABQ Check corresponding temperature i
3. e p a s na os a z gii R12 LEIK 844 SiS HAG 41 8gig B19 gt HBS Mark sign if channel value can be negative If AMP Echo Amplitude is to be logged make sure AMP is activated LLELLCALLCRALL LLLLLLLLLL AMP Active vf Restart WorkStation after Save Setup and Restart Log AMP is activated ACTIVITY STATUS The Service Log window is used to setup the logging of the measured values Sample time The time between the logged samples It can be set to between 10 and 99999 seconds Max samples in The maximum number of entries in one file the log file before a new log file is created typically 20 000 channels Number of channels to be logged between 0 and 20 Tag Channel tag with seven characters For example CTO1ULL for ullage of first tank or CTO1RAT for level rate of first tank Sign A sign indicates that the channel can have positive and negative values such as level rate Saab TankRadar 53 Third edition June 1997 Service Manual 3 34 54 AMP Active Log running Log stopped Start Stop Save Setup and Restart Log Backup AV sign indicates that the the AMP channel for echo amplitude exists Check the box to create AMP channels if they are not active then restart the Work Station Indicates that the log is running Indicates that the log is not running Use this button to start or stop the log Use this button to save the
4. eeseseseeeseeeeesesesrsrseeee 98 9 14 2 Ground Failure Transmitter Cable 0 sseseeseceeseeecneees 98 9 14 3 Ground Failure Temperature Sensors ceccsssecesesessaeatenns 98 9 14 4 Ground Failure IG Pressure Sensor ou cesses csseseeseeeseeeens 99 9 14 5 Ground Failure Extra Temperature Sensors ccccceeseseeees 99 9 14 6 Ground Failure Local Display ysis cniinuadantivn inition 99 9 14 7 Ground Failure Wire Terminals 0 0 ccc sesesesesseeeeeeceeaeees 100 9 14 8 Checking a Cable for Ground Failure ccc 100 9 14 9 Checking a Wire Terminal for Ground Failure 0 0 0 0 100 9 15 Comparing Ola ges c ciiscesdassncsssessdsssecesvscessensnaovessesceveswsusesdiasedsssese seosos 101 10 Spare Parts da sdabeesnavesswevie Sabina enegancueannene Sasaadeevenabasauncees scsnsseaneees 103 10 1 Standard Spare Parts Set 9150065 98 1 cccscsssssssrerrreeseoseees 103 10 2 Extended Spare Parts Set 9150065 982 sscscsssssssrssssssseees 103 10 3 Complete Spare Parts Set 9150065 983 ssssssscssessssssssssseees 103 II Recycling of Saab TankRadar T erase eias 104 12 Saab Marine Service Agents sssssssesecsososssessecceocosseseosesossssesesee 105 INdOX ccccccrrreoes PREOT TET TTT busschescenseeveences 107 8 Saab TankRadar Third edition June 1997 Abbreviations and Denominations Service Manual The following abbreviations are used
5. 1 Open the cleaning hatch 2 Clean the antenna feeder and the parabolic reflector with a rag If necessary use a suitable solvent 6 3 4 Cleaning the Cone Antenna Before cleaning the inert gas pressure must be reduced Also observe local environmental safety and health regulations 1 Remove the transmitter cover 2 Loosen the strap and remove the Electronic Box 3 Remove the large nut by turning its handle counter clockwise 4 Carefully lift the Waveguide Cone straight up 5 Clean the inside of the Cone Antenna through the open ing O50 mm 6 Carefully clean the inside of the Waveguide Cone Be careful with the Teflon cone inside the Waveguide Cone 7 Replace the Waveguide Cone Be careful not to damage the O rings on the Waveguide Cone 8 Replace Electronic Box and the Transmitter Cover 9 If there is still a clean antenna warning for the Transmit ter after half an hour please contact Saab Marine Elec tronics Service Department for further assistance Be careful not to damage this teflon plug Figure 6 5 Turn handle to remove the Waveguide Turn this Cone handle Saab TankRadar 79 Third edition June 1997 Service Manual 6 4 80 Inert Gas Pressure Sensor Option IG Pressure Sensor in Parabolic Antenna Transmitter IG Pressure Sensor in Cone Antenna Transmitter Figure 6 6 The IG pressure sensor in the Parabolic and the Cone Antenn
6. Third edition June 1997 Service Manual 6 2 Transmitter Test Cable In the spare parts set on board there is a Transmitter Test Cable Use this cable to check the function of the Electronic Box of the Transmitter There is a distance printed on the Test Cable It will differ from the ullage shown by TankRadar when the Test Cable is applied on the Transmitter The distance should be within 10 of the distance stated on the Test Cable corrected for the A distance the A distance is shown in the Transmitter Data window see chapter 3 9 It can be used to see that the Transmitter is working properly However the main function of the Test Cable is to check the amplitude value see figure 6 3 1 Remove the Electronic box according to steps 1 3 in chapter 6 1 above 2 Place the Test Cable into the Electronic Box 3 The function of the Electronic Box can be checked either from the Backup Display or the Work Station 4 On the Work Station check value of amplitude postfilt in the Transmitter Data window see chapter 3 9 On the Backup Display check the Register frame in the Service part Check register number 21 amp_post_filt Amplitude Amplitude mV mV Figure 6 3 The amplitude 5000 5000 from the Test Cable varies with ambient temperature 4090 4909 and is different for indi vidual Test Cables The rated amplitude for 20 C ambient temperature is printed on a label on each Test Cable The shaded area in the dia
7. Figure 6 10 82 The antenna feeder is mounted in the centre of the trunk and its upper part is engaged in the Electronic Box Replacement can be carried out when the system is operating Important When removing the antenna feeder the tank must be opened Per mission from officer in charge must be obtained before the service work commences 6 5 1 Disassembly 1 Begin by removing the Electronic Box according to chapter 6 1 2 Note the exact position of the adjustment scales Take a reading of both FORE and SB starboard scale positions over the clamp ring edge 3 Remove the adjustment scales assembly from the an tenna feeder 4 Loosen and remove the eight nuts securing the clamp ring 5 Remove the clamp ring by lifting it straight up 6 Lift the antenna feeder straight up and remove it but leave the gasket in its original place If the gasket is damaged it must be replaced with a new one 6 5 2 Reassembly 1 Insert the antenna feeder in the socket Make sure the wings of the antenna feeder point to the cleaning hatch plane thus allowing brush cleaning of the Teflon plug on antenna feeder through the cleaning hatch 2 Mount the clamp ring Apply molybdenum sulphide paste on threads Mount the nuts loosely but do not tighten 3 Install the adjustment scales assembly and adjust the FORE scale pointing forward and the SB scale pointing starboard 4 Adjust the antenna feeder in its original position u
8. PSI pounds per square inch 5 9 4 Local Display Frame Select Disp to change the display mode of the Local Display Each tank can have its own display mode Enter a digit from 0 to 3 to change the display mode Mode 0 Display is off 1 Ullage 2 Toggle between ullage temperature and IG pressure 3 Data directly from the Work Station 5 9 5 Register Frame The Register frame is used for viewing and changing data in the registers in the LCI and LCM database See chapter 3 21 for a list of the registers There are two types of registers the database and dynamic registers The database registers contain static register that can be changed while the dynamic registers contain dynamic values that are continuously measured or calculated The registers are shown in order starting with register 0 New registers can be viewed either by pressing the up or down arrow keys or by entering the register number and pressing the Enter key Four registers are shown at a time on the display The values are shown as either decimal or hexadecimal values When the values are hexadecimal an H is displayed after the value You can also use the Enter key to move the cursor in the frame If two LCMs are included in the system both are updated when database values are changed 5 9 6 FiltDist Frame This frame is used for viewing the Filter Distance of the Transmitters The frame shows three filter distances at a time Saab TankRa
9. Service Manual 3 Work Station Optional wooden box for PC when located under monitor 2 HE ers Figure 3 1 shows the Work Station The Work Station is operated with a light pen With the light pen the operator just points directly on the screen to activate various functions For input of for example alarm limits a keyboard is included There is an on line Help function providing direct access to relevant help texts As an option a number of Work Stations can be placed in different locations and connected in a network sharing data and processing power with each other New software can be downloaded from the Work Station to the various units in Saab TankRadar The Work Station is also used for on board configuration and service of the Transmit ters the Level Unit and the Work Station itself The Work Station software runs under the real time operat ing system QNX The operation of the Work Station is described in the Operat ing Manual However the Service part of the Work Station software is described in this manual in chapter 3 7 Saab TankRadar 15 Third edition June 1997 Service Manual 3 1 3 2 3 3 16 Description of the Work Station s Cabinet Caution Always turn the Work Station PC off before removing any cables at the back of the PC Note On the inside of the Work Station there are parts that are sensitive to static
10. TankRadar or 5 Reference Customer s i j jit j Center of the ee Transmitter deck socket Figure 9 1 shows the TankRadar reference point Saab TankRadar 101 Third edition June 1997 Service Manual There are three different ways in which the TankRadar can be configured as far as hand dipping and trim list corrections are concerned Depending on the configuration please follow the appropriate steps below when comparing ullages It is important to know which reference point the system uses for correction See the Setup window on the Work Station If the TankRadar ullage plug is the only reference then proceed as follows to compare ullages 1 Take a hand dip ullage reading and the TankRadar ullage not corrected for trim and list Off button pressed in the Setup window on the Work Station 2 Compare the ullages If a separate ullage plug is used as reference and TankRa dar is trim list corrected to C O G C and E distances to C O G then proceed as follows to compare ullages 1 Take a hand dip ullage reading in the separate ullage plug and use the ship s volume tables to get a volume related to the tank s C O G 2 Take the trim list corrected TankRadar ullage with trim list correction on This is equal to the ullage at C O G at even keel Use this ullage to get the volume 3 Compare the volumes If the separate ullage plug is the reference and the TankRa dar ullage is trim list
11. Type spell Subtype Hi priority Ef Pos Value 4 2 mA Manual Status Max Min Blink 1 8 88 _ NORMAL a 2 86 88 _ NORMAL a Undo Save The I O window shows the raw values of the signals in and out of the terminals of for example the I O Box and SIOX modules Hit the Terminals button to select which terminal you want to look at Hit the Terminals button to show a list of the available termi nals Select one of the shown terminals The Scale button shows the scalings available for showing the raw values as current or voltage SERVICE 1 0 Terminal Terminalst Scaler Back Exit Channels 2 Inactive Hi priority E al Status Max Min Blink _NorMAL 8 a 50 Saab TankRadar Third edition June 1997 Service Manual The value for digital inputs or outputs is shown as either 0 or 1 For digital outputs it is possible to change the value and hit the Save button to see that the output is working Some times detection of the output is easier if the Blink selection is set to 1 The output for example relay will change back and forth between active and inactive The value for analog inputs or outputs is shown in unscaled units The maximum and minimum values for the terminal are shown and cannot be changed These values could for example be the unscaled raw values from a SIOX system The check boxes show if the terminal has been set to be inac tive or if it has been given a h
12. e 2 Four wire sensor Temperature range 50 to 250 C e 5 Three wire sensor Temperature range 0 to 100 C e 6 Three wire sensor Temperature range 50 to 250 C e Sensor 4 or 5 offset An offset can be set for each sensor individually Any changes of the database values must be followed by hitting the Save button as well as restarting the transmitter by hitting the Restart TX button Saab TankRadar 29 Third edition June 1997 Service Manual 3 13 Level Unit Trim List Data LEVEL UNIT Trim List data Register T Service 7 Backi Exit DYNAMIC DATA LCI Trimlist status DYNAMIC DATA LCI Trim 116 188 mj Irim sens fail _ Trim manual Used for actual trim list correction List 11 168 oO List sens fail _ List manual See CONFIGURE Ship Data for source DYNAMIC DATA LCM1 Trimlist status DYNAMIC DATA LCM Trim 116 1088 mj Tela kcerenfaail Measured from the LU cabinet List 11 7108 _ List sens fail inclinometer DYNAMIC DATA LCM2 Trimlist status Trim S127109 A Trim sens fail List 1 168 4 List sens fail DATABASE LCM LT sensor type mot connected 1 standard inclin LU Cabinet ores Orientation le Il Fore DATABASE LCM m LT sensor type Irim offset List offset LU orient 4 Undo Save The Trim List Data window shows the measured trim and list angles They are displayed as 1 100 of degrees The source of the trim and list values are shown in the Ship
13. if included in system from the wire terminal inside the transmitter housing Hold all the wires of the sensor cable together so that they are in contact with each other Measure the resis tance to ground which should be more than 10 MQ If it is go to step 13 below If the resistance measured in step 12 is less than 10 MQ replace the IG pressure sensor with a spare sensor See chapter 6 4 2 9 14 5 Ground Failure Extra Temperature Sensors 13 14 If there are extra temperature sensors connected there can be up to two extra sensors except for the one two or three inside the tank these can also be the cause of a ground failure These extra sensors can either be con nected to the wire terminal inside the transmitter hous ing or the temperature housing Remove one sensor s wires from the terminal and hold them together Mea sure resistance which should be more than 10 MQ If it is go to step 15 below If the resistance measured in step 13 is less than 10 MQ replace with new spare sensor 9 14 6 Ground Failure Local Display 15 16 Saab TankRadar Third edition June 1997 If a Local Display is connected to the Transmitter this could also be causing ground failure Remove all the wires to the Local Display from the terminal inside the Transmitter Housing Hold all the wires of the sensor cable together so that they are in contact with each other Measure the resis tance to ground which should be
14. 10n Reset System Failure Reset Power Failure Reset Extreme Pressure Alarm Status Aborti In the status box in this window the status of the relays in the Power Block of the Level Unit are shown These will show the same status as the Sysfail and Power fail in the LCI status window described in chapter 3 15 The Fxternal pressure alarm relay will be activated when the this alarm is active See chapter 3 11 for more information Note The Sysfail and Power fail relays are normally on This means that when the system is working the relays are activated and consequently off During a black out for example these relays go on In the TankRadar systems that have a Work Station the relays in the I O Box are used instead of the ones in the Level Unit See also chapter 5 11 and 4 1 4 In the database box it is possible to manually set the two auxiliary relays in the Power Block Enter a 1 and hit the Save button to activate the relay If the relays in the Level Unit are used for System Failure Power Failure and Extreme Pressure Alarm indication these warnings can be reset by hitting the buttons at the bottom of the window Use the Abort button if there would be any problem when hitting the Reset buttons Note It is only the relays that are reset the alarms may still be active This is useful for example when you need to quiet a siren that is connected to one of the relays Saab TankRadar 39 Thi
15. Saab TankRadar Third edition June 1997 Service Manual 12 Saab Marine Service Agents Australia NovaMarine Instruments Pty Ltd Tel 61 49 69 44 77 Fax 61 49 62 12 10 Brazil Unitec Engenharia Ltda Tel 55 21 254 97 41 204 05 36 Fax 55 21 264 71 62 China PRC Shanghai Ship amp Shipping Research Institute Tel 86 21 888 58 422 88 56 638 475 Fax 86 21 88 55 073 Croatia Miso Bace Tel 385 51 351 90 Fax 385 51 212 721 Finland SF Control Tel 358 975 72 770 Fax 358 975 72 778 France Radarson Tel 33 491 22 66 80 212 29 65 33 1 30 933 291 Paris Fax 33 491 23 35 33 Greece Kaminco Overseas Ltd Tel 30 1 4293 517 562 645 Fax 30 1 4293 355 India Marine Electronics and Navigation Sys tems Ovt Ltd Tel 91 22 343 26 52 Fax 91 22 344 84 84 Saab TankRadar Third edition June 1997 Italy Wilson Walton Int Spa Italiana Tel 39 10 613 61 11 Fax 39 10 613 63 79 Japan Tokimec Inc Tel 81 45 584 10 11 operator Fax 81 45 548 10 10 Korea Sam Joo International Corp Tel 82 2 542 79 67 542 79 68 Fax 82 2 542 79 69 Poland Taurus Tel 48 91 83 19 88 Fax 48 91 83 19 88 Russia St Petersburg SAAB Marine Liaison Office Tel 7 812 311 33 44 Fax 7 812 312 61 92 Russia Vladivostok NORFES Co Ltd Tel 7 4232 250 487 Fax 7 4232 250 986 Singapore CHP Navcom Pte Ltd Tel 65 8 63 22 22 Fax 65 8 63 23 83 Tix RS 24980
16. Sensor Temperature Sensors Parabolic Antenna Transmitter with IG Pressure Sensor Local Display Temperature Sensors Figure 1 1 shows the TankRadar system with a number of the available options 10 Saab TankRadar Third edition June 1997 Figure 1 2 Parabolic Antenna Figure 1 3 Cone Antenna Service Manual The Saab TankRadar system is the main part of the Saab Cargo Control system which includes the following optional features e Cargo control functions with Saab TankRadar MaC e Ballast level gauging and draft gauging with the LevelDatic system e Overfill and high level alarm system with Omicron system e Load calculation with Kockumation s LoadMaster The Work Station is used by the operator for monitoring of tank ullages temperatures inert gas pressures and all the other data that is handled by the Saab TankRadar The Work Station does the alarm handling of the measured values The Work Station communicates with other systems such as load calculators and electro pneumatic level gauging systems for ballast etc and supervises the Transmitter and Level Unit computers The Level Unit contains terminals for the intrinsically safe connection of the Transmitters It contains the electronics used for processing the signals from the Transmitters for calculating the tank parameters such as trim list corrected ullage and for communicating with the Work Station The Transmitte
17. e Exchange with LIZ board from the Complete Spare Parts set See chapter 5 10 9 Faulty Electronic Box e Replace Electronic Box see chapter 6 1 9 3 2 CFAIL status on five Transmitters LIZ board in LI may be faulty e Check if the five Transmitters are connected to the same LIZ board in the LI that the connectors are placed in a vertical row If they are the LIZ board needs to be replaced See chapter 5 10 9 for information on how to replace it e Exchange with LIZ board from the Complete Spare Parts set See chapter 5 10 9 9 3 3 ERROR status on one Transmitter but not CFAIL status Surface echo is lost There can be waves turbulence or foam on the surface of the product A very large list angle could also cause the echo to be lost e Wait while system searches for the surface echo e Order an echo search on that tank from the TX Service window in the Service part of the Work Station software See chapter 3 25 Faulty Electronic Box e Replace Electronic Box see chapter 6 1 92 Saab TankRadar Third edition June 1997 9 3 4 Warning Clean antenna on tank XXX If the signal strength is reduced due to a thick layer of cargo or other contamination on the antenna this warning will be displayed e Clean antenna See chapter 6 3 for cleaning of the antennas 9 3 5 All warnings associated with one tank shown on Work Station If warnings about communication failure error etc are shown for a single tank the cabling might be brok
18. 50 LI 1_handler 0 none 1 LCM1 2 LCM2 51 LI 2_handler 0 none 1 LCM1 2 LCM2 52 LI 3_handler 0 none 1 LCM1 2 LCM2 53 LI 4 handler 0 none 1 LCM1 2 LCM2 100 Number of tanks 101 Display shutdown timeout in seconds 42 Saab TankRadar Third edition June 1997 Service Manual 3 22 Level Unit LCI LCM Version LEVEL UNIT Program versions Register T Service 7 Backi Exit LCI LCI boot vers LCI flash vers LCM1 LCM boot vers LCM flash vers Steet In this window you can see the version of the programs in the LCI and LCMs You can also see if one or two LCMs are used This information can be useful if you need to contact Saab Marine Electronics or a service agent Saab TankRadar 43 Third edition June 1997 Service Manual 3 23 Level Unit Load Program LEVEL UNIT Load LCI LCM Program Register Service ri Back Exit File name Program file dos aZ Destination LCM 1 LCM 2 LCI Down Load Status Progress Abort Hit the Service button to open this window This window can be used to load new programs into the LCMs and LCI The new program can be downloaded from a diskette Note Make sure the new program is compatible with the Work Station software If unsure please contact Saab Marine Electronics for advice Insert the diskette with the program into the diskette drive of the Work Station Hit one of the three buttons to indicate if you want to download
19. 8 1 Replacing the Trinny List Unit scacjandsss canter ticuas watisaseiaoewsgabdonrises 65 5 8 2 Adjusting the Trim List Uniting du ncsaciviarnmiunndsndas 66 Saab TankRadar 5 Third edition June 1997 Service Manual 5 9 Backup Display LCB sisseicsccsssssetvasaccssssssd sassssacsdeaiuasssaseniues sonaswaseseassonaiess 68 59 1 Replacing the Backup Display scsiiccssstssnervecviedescossdhsonoisatebiossaarvens 68 5 9 2 Description of the Service Frames s cscsccsessssesssnossesessnsaneseosonatsons 68 3 99 JURE Frame 5 deities couna sialic EOAR a iiaia 68 5 94 Loc l Display Brame eh iinan aie eiai aa aak eis 69 3 9 Register Framesi easar a a E E as 69 59 6 TBUMEIDISt Pia iis seesGeei eadakon csc ntsc ous mani e e Ea 69 59 7 Amphtude Frame ctihid awiatestonsientiaiichednumaniarelinmanunitadawedn 70 5 10 Transmitter Interface LlI cccccssccccssscccssccsscsccscsccesssccscsccessccesssosees 70 LOD Cabling sinisiin ieena nean aa ibia 70 5 10 2 Configuration of the Transmitter Interfaces 0 cee 70 5 10 3 Power supply to the Transmitter Interface 0 eee 71 5 10 4 Ground Failure Indication se ciysesccvtetesloasieustatej sect etsaleiatiens atest 71 5 10 5 Addressing the Transmitter Interface oie eee 71 5 10 6 The Analog Digital Power Board LIA cceeeseseteeseeneeee 71 5 10 7 The Zener Barrier Board LIZ cccccccecsccssscssesscssesscssessessecseeees 72 5 10 8 Removing a Transmitter Interface LI oo ee
20. Fa lt Finding norida aea 89 FitDistFraMesoseonneranninoniiaiaa 70 Fel CU Plex iiinis 58 G Ground F ill r ssori 72 99 Ala hiainu 63 H Hal PGUplexs nsan 58 Hard disk replacing sin caiioasnndecetateas 16 l IO BOX a a a Gries 55 Communication Failed cceeeee 90 Watch dog s sssssssssssesssesrssisssrrssrrsssessress 55 Watch Dog LED fils encstaciatutmneniaatio 56 Tf O Wind Ow viceisscccesicaneteativicncadionsteavanccnteass 50 IG Press Zero Adjust window 00 48 IG Pressure Data WindOw ccceee 28 IG pressure offset sais scrsese sath chdcetisedtinates 28 nert gas pressure csucicnsaenacadeseess 11 75 Inert Gas Pressure Measurement 96 Inert Gas Pressure Sensor ceeeeees 81 Cleaning nnmnnn 82 107 Service Manual Ground Failure oeer 100 ReplaGine soeia ae aia 82 Zero pressure Calibration cce 82 Information TOW saxcitacsictictprdtiaetenasiwatts 61 Install database on Work Station 18 Install pictures on Work Station 18 Install Program on Work Station 18 Install Work Station program 52 Install Backup Window sseseesssieeeseereeres 51 Interface Board ceecee 56 61 64 Replacing sisien tisis 65 Troubleshooting oy 28s diet sesser 64 Interface Editor n etra 55 Internal temperature dsicancsaineswn ation 26 Intrinsic safety s seseeseeeesesee 10 13 73 76 INVAListat S cnnan nesena 94 K Keyboard ierta akn 15
21. List distance is positive when ea transmitter is starboard of plug cog Beam 3 dist TX type 2 Beam 2 dist Spec inner len 6 mm Tank Schedule Mode One tank Beam 1 dist m a Local disp mode 6 LCM 1 Normal FFI search Normal LCM 2 Undo Save Level offset __ beeen teed Restart tanki Status Abort Note When setting the Level Unit into one tank measurement mode there is no measurement on the other tanks Select a new tank by hitting the Tank button or by hitting the up or down arrow keys The tank number is the internal number in the TankRadar system and is useful when setting the addresses on the op tional Tank Display Units see chapter 8 1 It is also the num ber that is used when communicating with other systems such as load calculators or ship host computers The tank address corresponds to the terminal on the Trans mitter Interface to which the Transmitter is connected Tank addresses 1 15 are connected to LI 1 addresses 16 30 to LI 2 31 45 to LI 3 and 46 60 to LI 4 The tank address is usually the same as the tank number However they do not need not be the same The dynamic data is status or data that is continuously being measured and presented These values can not be changed by the operator e Ullage is the distance from the TankRadar reference point down to the surface of the product in the tank Innage is the distance from the bottom up to the surface of the product
22. O Box Cable faulty e Check the cabling between base radio and I O Box 9 11 3 No display on PRU Low walkie talkie battery voltage e Walkie talkie battery needs to be recharged PRU cable faulty e Replace cable PRU faulty e Replace 96 Saab TankRadar Third edition June 1997 Service Manual 9 12 Draft measurement 9 12 1 Draft measurement incorrect Failure on LevelDatic equipment e Check LevelDatic equipment See separate documentation in As built drawings and user s manual binder Incorrectly configured data for draft measurement e Check that configured ship data in Ship measures window on Work Station correspond to real distances on ship Faulty communication with LevelDatic equipment e See chapter 9 1 10 9 13 Load Calculator 9 13 1 Values displayed on TankRadar and load calculator differ Ullage values differ due to a delay of information during quick loading or discharging especially in small tanks e When the surface is stable wait for approximately one minute to see that the values become equal e Concentrate on ullage values displayed on TankRadar since they are updated more often than on the load calculator Trim List correction is set to off on Work Station but the protocol to the load calculator is using trim list corrected values e Check setting of trim list correction in the Setup window See Operating Manual Presentation units changed from m to feet or vice versa e Check setting of units i
23. Separate circuits with four zener barriers for Figure 5 11 The Trans each Transmitter mitter Interface boards 70 Saab TankRadar Third edition June 1997 Service Manual One Transmitter Interface is connected to the Calculation Unit at the top of the Level Unit while the other Transmitter Interfaces are connected in serial with a flat cable between each one 5 10 3 Power supply to the Transmitter Interface The intrinsically safe parts of the Transmitter Interfaces receive power from the Power Block at the bottom of the Level Unit via separate cables The non intrinsically safe parts receive their power from the Calculation Unit power supply 5 10 4 Ground Failure Indication On the front panel of the Transmitter Interface there is a LED indicating any ground failure on the intrinsically safe equip ment connected to it 5 10 5 Addressing the Transmitter Interface There is an address switch on side of the Transmitter Inter face When replacing a Transmitter Interface it is important to set the address switch in the same way as on the one that is replaced Switches 1 and 2 are used for setting the address of up to four Transmitter Interfaces in the system Switches 3 and 4 are used to select the LCM that handles the Transmitter Interface Switch 1 Switch 2 LI number Transmitters ON ON LI no 1 OFF ON LI no 2 ON OFF LI no 3 OFF OFF LI no 4 Switch 3 Switch 4 LCM configuration OFF ON Only LCM 1 O
24. a Log file to a Diskette ae O In the Group window it is possible to log values to a file These files are possible to copy to a diskette This could be useful when fault finding the system Follow the instruction below to copy a log file to a diskette 1 Insert a DOS formatted diskette into drive A 2 Hit the Backup button Saab TankRadar Third edition June 1997 Service Manual 3 Select Backup one file 4 Select the log file you want to save Its name has an extension log These are normally placed in the directory acu tmp 5 Order the copying to start 3 33 Service Log Window Select Service Log from the Service menu to open the Service Log window It is used when there is a need to store measured data for a later analysis The log software regularly stores time channel status and channel value into a log file The log file is named dl lt mm gt lt dd gt lt hh gt log where lt mm gt is the month 01 12 lt dd gt is the the day 01 31 and lt hh gt is the hour 00 23 If the log is restarted within the same hour the previous log was started previous log data is lost The log file can be copied onto a DOS diskette see Backup below SERVICE Log Stopi Log ruming Backup Back Exit Sample Time 26 maj s Max Samples in same File 26600 Channels 6_ Tag 1 CT 1ULL CT 1AMP CT 1RAT CT 2ULL CT 2AMP CT 2RAT Enter channel tags 1 CT 1ULL 2 CT 1AMP 3 CT 2ULL
25. and remove the sensor 3 Remove the sensor and the nipple 4 Donot attempt to clean the sensor itself as it can easily be damaged Clean the nipple and the screw in the mounting assembly as well as the opening in the bot tom of the Transmitter housing or into the Waveguide Cone 6 4 2 Replacing the Inert Gas Pressure Sensor Follow steps 1 3 above chapter 6 3 1 to remove the sensor Follow the steps below when replacing the IG pressure sensor 1 Install the new sensor in the same way as the one you have just removed Original or new gaskets must be used 2 On Parabolic Antenna Tighten screw through the banjo nipple to 75 Nm 55 Ibsft torque On Cone Antenna Tighten cap nut to 55 Nm 40 lbsft torque 3 Be sure to connect the electrical leads and the vent hose in the same way as before The vent hose must not be folded or squeezed Note A zero pressure calibration of the IG pressure sensor must be done when it has been replaced 6 4 3 Zero Pressure Calibration of IG Pressure Sensor Make sure that the tank is ventilated and that it has atmo spheric pressure Be aware that a strong wind into a tank opening can change the pressure inside the tank quite con siderably Read chapter 3 28 IG Pressure Zero Adjust for a descrip tion of how to adjust the IG pressure sensors Saab TankRadar 8l Third edition June 1997 Service Manual 6 5 Dismounting of Antenna Feeder of the Parabolic Antenna
26. box indicates which LI that is causing a ground failure alarm e LI comfail If there is any problem with the communi cation to the LI this is shown in the LI comfail check boxes The database shows LI handler The Database box shows which LI that is connected to which LCM 0 indicates that the LI is not used 1 indicates the it is connected to LCM 1 and 2 indicates that it is connected to LCM 2 Saab TankRadar 35 Third edition June 1997 Service Manual 3 17 36 Level Unit Backup and Local Display LEVEL UNIT Backup and Local Display Register TI Service TI Mode Backi Exit LCB T L corr ____ Pressure a a 3 5 Unit Custom 1 Scale A 1 Scale B 1 Scale C 6 Decimals 6 m 1 O e e O a TEL T L corr HA 3 o 3 5 Pressure Unit 6 Custom Scale A Scale B Scale C Decimals H 1 S e je S e See Service Manual This window is used only when special units and special scalings have been programmed into the system at factory before delivery A better way to change presentation units and change pre sentation of trim list correction is in the Setup window opened from the Work Station s base window See Operating Manual for more information However it is possible to change units and trim list correc tion for the Backup Display and the Local Displays from the Backup and Local Display wi
27. changes and restart the log The Backup function saves a compressed archive file more than 10 times compressed file with filename acu pax that contains the log files dl log the soft ware supervisor logfiles syscon log wdog log and a listing of all the files in the log directory dlinfo log The Backup function copies the compressed archive to a DOS diskette It makes sure that the archive fits onto a diskette All logs that are a maximum 12 weeks old are copied However if they do not fit onto a diskette only the most recent logs will be copied For decompression and analysis of a service log contact the Service Depart ment at Saab Marine Electronics Process Debugger Interface Editor PictCopy Shell These selections are normally not used on board They can be used by Saab Marine service engineers or service agents visiting your ship Saab TankRadar Third edition June 1997 Service Manual 4 I O Box The I O box is used to interface various equipment to the Work Station including the Level Unit The I O Box is made up of a motherboard with power supply relays and connec tors for seven Interface Boards The I O Box is connected either to an 8 channel serial inter face board in the Work Station or to the Com 1 and Com 2 ports One of these channels is used for watch dog and relay output control The other seven channels are wired to seven connectors on the motherboard Of these seven channels one Figur
28. described in the Operating Manual However the service part of the display is only described in this Service Manual Note If the Backup Display is blank press any key on the keyboard to light it up There is a time out function that switches it off after approximately 20 minutes after last operation 5 9 1 Replacing the Backup Display Follow the instructions in steps 1 4 in chapter 5 7 2 to remove the Backup Display Connect the new Backup Display and follow steps 7 9 in chapter 5 7 2 5 9 2 Description of the Service Frames Press the Serv key on the keyboard to open the directory to the Service frames You are required to enter a password to open the Service frames The password is 13579 The pass word protection switches on again automatically after 20 minutes 5 9 3 Unit Frame Select the Unit frame to change the units of the system The measuring units for level temperature IG pressure and level can be changed The units are changed in the Backup Dis play Local Display and in the Work Station To change a unit the value of a parameter must be changed You can select any of the following values Level 0 meter 1 feet Level Rate 0 meter hour 1 feet hour Saab TankRadar Third edition June 1997 Service Manual Note The level and level rate always based on the same unit If one of them is changed the other changes as well Temp 0 degrees Celsius 1 degrees Fahrenheit Press 0 mbar 1
29. duplex while the Tank Display Units require full duplex Note When trouble shooting you might need to exchange two RS 485 Interface Boards Remember to check the setting of the jumpers for correct transmission A 485 bus for a LevelDatic system with more than one module may use an unterminated board depending upon its location The Interface Board has a green LED for indication of re ceived signals and a yellow LED for transmitted signals All the received signals are transmitted back on the channel and it is therefore quite difficult to use these LEDs to see if any answers are transmitted SIOX Interface Board The SIOX Interface Board is used to connect the optional SIOX field bus system to the I O Box It converts the signal between RS 232 and the SIOX field bus If an external power supply is used it also provides galvanic isolation The SIOX field bus is a two wire current loop bus which is either powered from the motherboard or from an external power supply Jumpers 51 and S2 must be set according to the power connection The Interface Board has a green LED for data which is nor mally lit A ground failure will blow the fuse F1 and light the red LED on the board Each SIOX module also has two LEDs The Live Bus LED indicates that there is communication on the bus The An swer LED flashes when the module is sending an answer onto the bus If the Answer LED does not flash the SIOX module might need to be replaced PR
30. is starting up Voltage selector F3 F4 Figure 4 3 shows the motherboard of the I O Box after a black out or after the Work Station has been switched on When there is an interruption of the communication to the Work Station watch dog is triggered and the watch dog LED lights up and remains lit Check function of I O Box by following the steps below 1 Open cover of I O Box 2 Locate the red watch dog LED and a reset switch right next to it on the motherboard of the I O Box 3 Beside it there is a reset switch 4 Make sure the Work Station if more than one Work Station the master Work Station is running 5 Press the reset switch in the I O Box 6 Wait for approximately half a minute The watch dog LED should not light up 56 Saab TankRadar Third edition June 1997 Service Manual 4 1 2 Communication LEDs A green LED H2 indicates received data and a yellow LED H3 indicates transmitted data Received data is echoed back to the source 4 1 3 Power LED The voltages on the motherboard are monitored and are indicated by a green LED H1 4 1 4 Relays There are eight relays for alarms and general output signals in the I O Box One of them is a System Failure relay con trolled by the Work Station The other seven relays can be used for alarms or for general output signals There is a similar set of relays in the Power Block of the Level Unit However the System Failure relay in the I O Box i
31. measures window in the Configure part of the software Open the Ship measures window by hitting the Window key and selecting Configure Then hit the Picture button and select Calculation and Ship data The dynamic data box is divided into three parts for LCI LCM 1 and LCM 2 The LCM 1 and 2 read trim and list val ues produced by the Trim List Unit mounted in the Level Unit cabinet The LCI receives its trim and list values from draft sensors separate inclinometer from external communi cation or if it is manually entered The status boxes show e Trim or list sens fail The sensor in question is faulty e Trim or list manual This box is checked if manual values for trim and list have been entered In the database box the following is shown and can be changed e LT sensor type Enter 0 if no trim and list sensor is connected Enter a 1 if the standard Trim List Unit is used e Trim or list offset If you find that the trim list values displayed by TankRadar are not correct their offset can be programmed in the database box The offset is shown in 1 100 degrees angle For example enter 5 to set a 0 05 offset 30 Saab TankRadar Third edition June 1997 Service Manual LU Orient This shows in which direction the Level Unit cabinet has been placed on board 0 front of LU faces to port 1 front of LU faces starboard 2 front of LU faces fore 3 front of LU faces aft Any changes of the database values mus
32. more than 10 MQ If it is go to step 19 below 99 Service Manual 17 18 If the resistance measured in step 16 is less than 10 MQ check the cable between the Transmitter and the Local Display according to the steps in chapter 9 14 8 below If the Local Display is causing the ground failure try cleaning and drying the inside of the display If this does not help replace the Local Display 9 14 7 Ground Failure Wire Terminals 19 If you have come this far in your search for the ground failure check the wire terminals See chapter 9 14 9 9 14 8 Checking a Cable for Ground Failure Note If the cables have not previously been marked mark them before removing them from the wire terminal 1 3 Disconnect all wires in both ends of the cable Make sure the wires are not in contact with anything Hold all the wires of the cable together so that they are in contact with each other and measure the resistance between cable and ground for example use ground bar inside the transmitter housing If the resistance is larger than 10 MQ the cable is OK If the resistance measured in step 3 is less than 10 MQ measure between each single wire and ground to find which wire that is causing the ground failure When it has been located check if there is any spare wire in the cable or lay a new cable 9 14 9 Checking aWire Terminal for Ground Failure 1 100 Remove all wires from the terminal Measure the resis ta
33. service engineers They are of no use to the crew on board the ship The LCM status box shows the status of the communication between the LCM and LCI Saab TankRadar Third edition June 1997 MTA error LCM 1 or 2 Indication of service message failure between LCI and LCM If there is an error so that this box becomes checked the Level Unit will try to restart itself A message will be displayed Level Unit restarted 33 Service Manual 34 Sweep err LCM 1 or 2 This is an indication that the LCM is not measuring normally The sweep counter on the LCM is supervised If there is no change in 10 sec onds this box becomes checked See also chapter 3 14 A message will be displayed Level Unit restarted The Active LCM box shows which LCM that is being used In case there are two LCMs configured in the redundancy mode this box indicates which of the LCMs that is in use The LCI status box shows the status of the LCI Sys fail The Sys fail causes a Level Unit sys fail alarm It can be caused by LI power failure LI communication failure No active LCM Error status set in LCM Status window see chapter 3 14 The LCI mem status shows the result of memory checks on the LCI Both boot and flash memories are continuously supervised LCI RAM error Indicates memory failure of the RAM LCI boot error Indicates memory failure for the boot program LCI flash error Indicates memory failure for the f
34. service engineers They are of no use to the crew on board the ship e LCS status Shows the status of the LCS 0 means that the LCS is OK while a 1 indicates that the LCS test failed The LCM system and memory status boxes show e Def DB loaded The checksum of the database is calcu lated at startup If there is some error the default data base is loaded and this box is checked When this box is checked a warning appears on the Work Station See also chapter 9 1 7 If this box is checked download database from Work Station to LCM The Level Unit restarts automatically when the downloading is finished Restart the Level Unit see chapter 5 3 to see that default database has been loaded If the Def DB loaded box is still checked after restart the memory on the LCM board is faulty and the board needs to be re placed See also chapter 9 1 7 LCM RAM error LCM Flash error LCM EEPROM error and LCM EXTRAM error Each time the LCM restarts the memories are checked None of these boxes should be checked If any of these boxes are checked exchange the LCM The database window shows e Prio scheme A 0 means that each tank is measured one after the other However with a 1 the tanks that have 32 Saab TankRadar Third edition June 1997 3 15 Level Unit LCI Service Manual moving surfaces are measured more often This func tion can be useful if there are many tanks and some of them have large level rates when
35. the Level Unit 3 Switch the power off by setting the power switch on the Power Block to position 0 4 Wait until the red LED on the Calculation Unit s power supply goes off 5 Set the power switch to position 1 and the system will start up again D 5 4 Description of the Calculation Unit The Calculation Unit at the top part of the Level Unit has the following components one or two LCS one or two LCM one LCI one Backup Display with keyboard power supply for the Calculation Unit These components are mounted in a board cage Fach one is easy to remove for replacement Two sets of LCS and LCM can be used for one of two pur poses e for redundancy One of the boards is active and the other board is standby to start measuring if the first board becomes faulty e for increased performance of the system It is possible to have quicker updates with two sets of the LCM and LCS serving about half of the transmitters each distrib uted on two or more LIs Backup Display Interface Board Signal Board Processor Memory Board Figure 5 3 The Calculation Unit Calculation Unit Power Supply Saab TankRadar 6l Third edition June 1997 Service Manual 5 5 Signal Board LCS Figure 5 4 Removing a board The Signal Board contains analog filters and an A D con verter for the analog signal from the Transmitters 5 5 1 Replacing a LCS Note In order to avoid ESD damages electros
36. the files are copied onto the diskette Follow any instructions on the screen 3 32 2 Install Database and Pictures Follow the instructions below if you need to install new or backup copies of pictures and or database on the Work Station If you are uncertain of which files are stored on the diskette hit the View button to view the files on the diskette Note When there is a network of Work Stations install must be made on each Work Station in the network 1 Slide the diskette with database and pictures into the diskette drive Open the Install Backup window Hit the Install button Select Install All from the menu A message is displayed The files are copied from the diskette onto the hard disk of the Work Station Follow any instructions on the screen Restart the Work Station 7 Open the Up Download Database window described in chapter 3 24 and download the database to the LCM or LCMs 3 32 3 Installing New Program to the Work Station OT ean oy You may receive a diskette with a new version of the pro gram for the Work Station In such a case follow the steps below to install the new program 1 Slide the diskette with the new program into the dis kette drive Open the Install Backup window Hit the Install button Select Install All from the menu A message is displayed The program is copied from the diskette onto the hard disk of the Work Station 6 Restart the Work Station 3 32 4 Saving
37. to order it to start measuring 2 shows that it is running on its flash program Note If the mode is shown as 0 for a longer period of time the flash program is probably corrupt in some way Load new LCM software from the Load Program window see chapter 3 23 Note If there is only one LCM and it shows mode 1 there is probably something wrong with the LCI or the communica tion between LCI and LCM Saab TankRadar 31 Third edition June 1997 Service Manual e Test running The LCM asks the LCS for a test signal which is processed and compared with an expected test result It should show 14949 10 when it is OK If it is not OK there will be a LCS failure alarm e Sweep counter The sweep counter indicates that the LCM is working It count ordered sweeps Check that the sweep counter is counting to see that the board is operating Check also the Sweep error LCM status box in the LCI Status window described below e Schedule status Shows the setting in the Transmitter Service window 0 is the normal mode A 1 means that every second sweep is done on one of the tanks and the other sweeps are done on the other tanks 2 means that this is the only transmitter that is measuring The tank is selected and the schedule mode is set in the Transmit ter Service window However in the Transmitter Data it is possible to select mode 0 or 2 for a selected tank e Service status and Service code Both of these values can be used by the Saab
38. 89 9 1 7 Warning message Level Unit Memory Failure 0 90 9 1 8 Warning message Level Unit Restarted cccseeeeeeee 90 9 1 9 Warning message Master Communication Failed 90 9 1 10 Warning message LevelDatic Communication Failed 90 9 1 11 Warning message SIOX Communication Failed 91 9 1 12 Warning message PRS Communication Failed 00 91 9 2 Other Messages Shown on the Work Station cssssssssssssseseeees 91 9 2 1 Message PROCESS DATABASE NOT RUNNING Alarm handling is off and pictures are not updated Please wait UNE system restati msia eniinn tni iaaiiai 91 9 2 2 Message NO CONTACT WITH MASTER WORKSTATION Network Error or Master Work Station not running Please wait until connection established se seesreeseeeseeserseeesreeress 91 9 3 Channels with status CFAIL ERROR or INVAL sscccsssssseseees 92 99 1 CRATE status on one Transmitter lt a ssscssgessvesnssatnneninevneatesaweenbee 92 9 3 2 CFAIL status on five Transmitters ss sessssesesseeresesesesseseses 92 9 3 3 ERROR status on one Transmitter but not CFAIL status 92 9 3 4 Warning Clean antenna on tank XXX s sssssssssessessesessesessesess 93 9 3 5 All warnings associated with one tank shown on Work Sta iao a OEE E T van sacettnatagess 93 9 3 6 ERROR status on one temperature Sensor cceceseeeeeees 93 9 3 7 INVAL status on aver
39. Bargraph indicates percentage of full tank lea grap p g Press to display Hi alarm limit on the numeric LED display If the Hi alarm is blocked the display shows 99 99 Press to display Lo alarm limit on the numeric LED display If the Lo alarm is blocked the display shows 99 99 Lo alarm indication Lo Lo alarm indication Press to accept Hi Hi Hi Lo or Lo Lo alarms COMMON ALARM indication of alarm on any parameter in this tank Accept from Work Station LED display for ullage innage or alarm levels Figure 8 1 Tank Display Unit for ullage indication 8 1 Replacing a Tank Display Unit 1 Begin by loosening the four panel screws and pull the 1234567 TDU out of its console 2 Disconnect the wires to the terminal block on the back ojojo of the TDU board OPEN 3 Before you install the new TDU you must address the 1 4 B 16 32 64 128 TDU with its unique number Set the address switch to Ne NE sy p i f the same positions as on the TDU you are replacing Binary Example Code Tank 10 The address switches are located in the middle of the TDU board and accessed through an opening in the black cover plate The positions of the switches repre sent a binary 1 or 0 Note Use a slightly blunt object to set the DIL switch Do not use a lead pencil as some of the lead might come off and damage the switch Figure 8 2 In the exam ple the switches have been set to address Tr
40. L ECI Board siutina a esa 95 LCI Com Ports windoW sseeseeeeeeeeeeeeeeeee 38 LCI LCM Version seeeeeeeeseeeesserreesrreeesree 43 LCI Status windoW cccccccccceessseseeeseees 33 LCM Status window seseseeseesereeesrrreesree 31 Level Unit 11 60 95 Power Block eeeeecceeeseeessserreseerresrrreesee 74 Restarting sniene inaita 62 Level Unit Communication Failed 89 Level Unit Ground Failure 0 0 00 90 Level Unit LI Communication Failed 90 Level Unit Memory Failure 004 91 Level Unit Power Failure cee 90 Level Unit Restarted ccccccceeeceeeeees 91 Level Unit SysFail tscatstwvsattrenaniaitiaewes 89 LevelDatic Communication Failed 91 E EENAA EI ERE AAE ees has A 71 LI Status windoW eeseseeesersesserrsesreressreee 35 ETA Board sis sotnRabonnmirioniteigiaraawenmiianans 71 bight Peiesnnnseususniienininmiiutansi 95 Light pen sssssssessssssssssisssrissrrssrssrressressrresse 15 Light Pen Interface Board uuu 17 MEA S EAE EE dled Tune E EEEE S 12 PAZ poard orena anuanua en 71 Load Calculator oseeeeeeeeeeeeeeeeesseeeessereeeseee 98 Load calculator ooeeeeeeeeeeeeeeeeeeseesssrreresree 11 108 Load Program to LCI and LCM 44 Load software iis cisccsiodsssessecisearsorasbaccdercedveds 18 Local Display wsiwtadenduntosagions 11 36 96 CNNECH OM ih cdcstecdcuancaeiadesn nates 76 Ground Failure s es 100 Local Display Frame s
41. Level Unit see chapter 5 9 4 or from the Transmitter Data window in the Service part of the Work Station see chapter 3 9 Cabling between Local Display and Transmitter may be faulty e Restart Transmitter and Local Display by disconnecting the connector for that Transmitter on the LI and then connect it again Check if the Local Display starts working e Check cabling and repair if necessary Saab TankRadar system may be starting up e Wait approximately 15 min and then check if the Local Display works Communication failure to Transmitter e Check for CFAIL status on Transmitter See chapter 9 3 5 Temperature Measurement Incorrect temperature values on one tank Incorrect setting of temperature range e Check temperature range in Cargo Tank Sensors window in Configuration part of Work Station software If necessary change to correct range and restart Transmitter by disconnecting and connecting its cable at the LI in the Level Unit Inert Gas Pressure Measurement Incorrect reading of the IG pressure IG Pressure sensor not correctly zero adjusted e If or when conditions allow it do a zero adjustment of the IG pressure sensor See chapter 6 4 Venting hose of the sensor may be clogged or squeezed e Check that the venting hose ventilates to the outside of the Transmitter housing See chapter 6 4 IG pressure sensor may have been subjected to a too high pressure more than twice the maximum range e Zero adjust sensor Se
42. Local Display blanki sisss innisis sarine insni 95 9 8 Temperature Measurement sessssscsssoeeesesssessosooeeoeoesesessesoseososeeesesee 95 9 8 1 Incorrect temperature values on one tank cece 95 9 9 Inert Gas Pressure Measurement essessseseesssoseeesoooeceessooeeeecooeeeeessooeeee 95 9 9 1 Incorrect reading of the IG pressure sssccsssssessonsssansseasenens 95 9 9 2 Indicated inert gas pressure always the same cccee 96 9 10 Tank Display Unit essesssssosososossessesssssooeoseoesesssossosooeoseeesesesesooosoessseeee 96 9 10 1 Display on TDU not Workin t sssctiaian ehaniatiaiinnaiies 96 9 11 Portable Readout System scssscsssssssssssssscssssscsscscscscscscscceeeees 96 9 11 1 Indication of communication error CERR on PRU 96 9 11 2 No voice communication between walkie talkie and base iae KOO BA Pae D PAETE E E A E S ETA 96 911 3 No display on PRU Sodni a ei ia a aaa ta eaaa 96 9 12 Draft measurement essessseeeeesssseeeessseoeeecooeeceeseeoeeeesooeeeesesooeeeessoeeeessoee 97 9 12 1 Draft measurement incorrect sseeeeseeeeeeerreerrrrererererereseresrsesese 97 9 13 Load Calculator eesssseseesseseeeesoseeeeessooeeeeoooeeeessocoeeesooeeeeessooeeeeesoeeeesseeoe 97 9 13 1 Values displayed on TankRadar and load calculator differ 97 9 14 Finding Cause of Ground Failure Warning sssssssssessesssescoeoesoesesssssseseo 98 9 14 1 Ground Failure Transmitter Interface
43. N OFF Only LCM 2 OFF OFF Both LCM 1 and 2 in redundancy mode As default the switch is set to LI no 1 and for only LCM 1 Switch 1 ON 2 ON 3 OFF 4 ON 5 10 6 The Analog Digital Power Board LIA The Analog Digital Power Board relays the analog signal from the Transmitter to the Signal Board Saab TankRadar 71 Third edition June 1997 Service Manual 72 relays the digital signals between the Transmitter and the Processor Memory Board and stabilizes the intrinsically safe power supply and checks for ground failure 5 10 7 The Zener Barrier Board LIZ The Zener Barrier Board has five separate circuits for the intrinsically safe connection of up to five Transmitters Each of the five separate circuits on the Zener Barrier Board con tain four zener barriers The Zener Barrier Boards are connected to the Analog Digital Power Board LIA with flat cables The Transmitters are connected to the Zener Barrier Board with jackable con nectors with eight conductors from four twisted pair cables Note The fuses on the LIZ must not be changed in the field If a LIZ has a broken fuse the whole board must be changed as a com plete unit 5 10 8 Removing a Transmitter Interface LI 1 If they are not marked mark up all the connectors so that they can be easily replaced in the same positions 2 Remove all the transmitter connectors 3 Remove the power supply connector and the flat cable connect
44. Navcom South Africa Electro Wave Pty Ltd Tel 27 31 206 09 10 Fax 27 31 25 40 44 105 Service Manual Spain Aries Industrial y Naval S A Tel 34 1 533 92 00 Fax 34 1 554 95 94 Sweden Saab Marine Electronics AB Tel 46 31 37 03 35 Fax 46 31 25 30 22 The Netherlands ASEA Brown Boweri Tel 31 10 407 88 67 Fax 31 10 456 86 87 United Arab Emirates Maritronics Tel 971 4 34 22 11 3425 11 Fax 971 4 34 26 62 USA Saab Tank Control Tel 1 713 722 9199 Fax 1 713 722 9115 USA West Coast Aspen Controls Inc Tel 1 310 595 75 45 Fax 1 310 426 91 33 USA East Coast CAM Co Tel 1 610 566 5139 Fax 1 610 892 75 70 106 Saab TankRadar Third edition June 1997 Index A A D COUVeH els ennnen ena Address Transmitter Interface Adjustment scales s ciicois sien iveabdectaeutecaons Alarm handling 4h ammeter ner are tren arte Amp_post_filt register sj ieiieinessiagieaiovaes Ampht de sisiane nanen Saunton Amplitude Frame Amplitude postfilt sic cuiavensanacnareniaes Analog filters ivives covsevalhiassaiseisetiisitesisanaes Analog in and outputs cceeee 51 Analog SIP Nal ss noensinne Analog Digital Power Board 71 Antenna cleaning s s ssessseesessesseressesessesees Antenna Feeder Dismounting ssssessssesesessereseresersssesesss Any Register windowW ccccseseseeeeeees Average temperature cs cssrasiisrdiasscseedisvedes Back p stevsssscieeiest
45. S Interface Board The PRS Interface Board functions as a modem It transform the digital signals to audio signals Its transmission speed is 1200 Baud The PRS Interface Board has a green LED for indication of received signals and a yellow LED for transmit ted signals Saab TankRadar Third edition June 1997 Service Manual 5 Level Unit 5 1 Description of the Level Unit The Level Unit contains terminals for the intrinsically safe connection of the Transmitters It contains the electronics used for processing the signals from the Transmitters for calculating tank parameters such as trim list corrected ullage and for communicating with the Work Station The Level Unit is a cabinet with mainly three different parts e At the bottom the Power Block is placed supplying the cabinet and the equipment on deck with intrinsically safe power e In the middle of the cabinet the Transmitter Interfaces are placed This is where the cables from the Transmit ters are connected At the top part of the cabinet the Calculation Unit is placed It contains the boards for processing and calcu lating the measured values It also contains the Backup Display with a keyboard The Backup Display is used mainly for service purposes A Level Unit can connect up to 30 Transmitters In large systems with more than 30 tanks a Slave LU cabinet is used With a Slave LU up to 30 additional tanks can be connected The Slave Level Unit does not con
46. Saab TankRadar Service Manual The New Generation Saab TankRadar gt Saab Marine Wy Electronics Third edition Copyright June 1997 Saab Marine Electronics AB Service Manual The contents descriptions and specifications within this manual are subject to change without notice Saab Marine Electronics AB accepts no responsibility for any errors that may appear in this manual As each Saab TankRadar system is specially designed for each delivery the contents and illustrations in this manual may differ from your system Guide to this manual If there is a problem with you Saab TankRadar system start by reading the chapter 9 for information on how to find the problem and how to fix it If you are not familiar with the Saab TankRadar system read chapter 1 to get an overview If you need more information read the Technical Description included in the As built drawings and user s manual binder Use the index at the back of the manual to find the page with the information you are looking for Complete service information If your Saab TankRadar G3 is complemented with Saab TankRadar MaC cargo control system including the Substa tion for handling of control input and output signals there is an additional Service Manual for these parts In this case the service information is divided in two parts Consult this Saab TankRadar G3 Service Manual for information on the Saab TankRadar G3 Consult
47. X Comfail Press Sens Fail or Ext Press Alarm are marked for any of the tanks you intend to adjust 3 Open the IG Press Zero Adjust window on the Work Station Select the tank you intend to calibrate Hit the button Zero adjust this sensor Watch new value in the white database box Hit the Save button Continue with another tank from step 1 above or exit the window Note If you intend to hit the Zero adjust all tanks button make sure that ALL tanks have atmospheric pressure inside Otherwise you might ruin a previously correct calibration on some tanks oND 48 Saab TankRadar Third edition June 1997 Service Manual 3 29 Disconnect LU Use this function when there is a need to change the LU database in the Work Station when there is no communica tion with the Level Unit When you select Disconnect LU on the Service Menu the question Continue without communication with Level Unit OK or Cancel will be displayed 3 30 The Communication Window SERVICE Communication I 0 Box Communication log Serial port activity vi Back Exit Port dev ser1 Baud 96606 Parity E Data 8 Stop 1 Direction Duplex Mode 2 Sending 2 Full Auto RTS 32 Receiving 32 Half Select Communication from the Service menu to open the Communication window This window shows the communi cation on the serial ports to the I O Box Select which serial port to view by hitting the Serial port
48. a program to LCM 1 LCM 2 or LCI Hit the Filename button to find the file containing the pro gram Hit the Down load button once you are satisfied with the settings The progress of the downloading is shown in a bargraph at the bottom of the window There is an Abort key However once the file has started to download the original program is lost Therefore if you abort you must still down load a new software 44 Saab TankRadar Third edition June 1997 Service Manual 3 24 Level Unit Up Download Database LEVEL UNIT Down Upload Database Register TI ServiceTi Back Exit Doun Load Database Up Load Database from WorkStation to WorkStation Restore LCM Default See Service Manual Status Progress 6 Hit the Service button to open this window Use this window to copy database from one memory to another It is possible to download database from the Work Station to the LCMs and the LCL It is also possible to upload database from these boards to the Work Station This window is useful when you have replaced either an LCM LCI or a hard disk in the Work Station Note As the TankRadar system is commissioned a number of parameters may be changed in the system These changes are stored in the database The database will therefore differ from the default database that was installed at delivery of the system Saab TankRadar 45 Third edition June 1997 Service Manual 3 25 Level Un
49. activity button A list is displayed with the available ports Communication data such as baud rate parity bits data bits and stop bit is shown in the white box in the window There are also two indicators showing send and receive activity These are similar to the LEDs on the Interface boards in the I O Box see chapter 4 However in the half duplex setting the Send LED on the Interface boards echoes all the received information It can therefore be quite difficult to see if the board is really sending anything other than the ques tions it is receiving In this window the Send indicator does not echo the received signals Therefore when the Send indicator blinks the interface board is really transmitting data Saab TankRadar 49 Third edition June 1997 Service Manual The RS 485 Interface Board can be set to half or full duplex using jumpers In this window it is easy to check the setting of the jumpers See chapters 9 4 and 4 3 Hit the Communication Log button and select the communi cation you want to view The Communication Log window shows the communication parameters as well as the mes sages that are communicated You can disregard the information in the Mode box The information about the Auto RTS is only used by the Saab Marine service engineers or the service agents 3 31 The I O Window SERVICE I 0 Terminal Terminals ti Scaler Back Exit Name Channels 2 Instance 1 Address Inactive E
50. adenasesies 49 3 30 The Communication Window cccccccsssssssssssseceesscscssssssessseeees 49 3 31 The O WindowW sssssssssesesessssssooooeeosessesssoosooeoseessesesesoosooseseeseesessseosoe 50 3 32 Install Backup WindowW sssssssssessesesssososooosseseesesesoocoseosessessssssoosoeeseeeee 5I 3 32 1 Backup Copies of the Database and Pictures sssseseseeeseeeseeeeee 51 3 32 2 Install Database and Pictures xi c ciscetsatesnarctar ad suet asateduestacheatanatacsns 52 3 32 3 Installing New Program to the Work Station 52 3 32 4 Saving a Log file to a Diskette sisi cusisieciivitsetivieeveieievneensveines sacs 52 3 33 Service Log WindowW esececeoeesesesescssssososossssssssssoscesecesecesscsesesssesesesee 53 3 34 Process Debugger Interface Editor PictCopy Shell ssssseeee 54 4 VO BOX Ss ienscditinscssecassinivacstaseasiesssasseedidassasiviecsnus shatateasawteonnssesenssesscdedens 55 4 l The Motherboard of the I O Box eesssssssssssesesessesssssossooeoseeseesssessseooeee 56 AL Watch Dog LED jirassciyaduaadsa tee tgeadae panpana aaa e 56 412 C mmu unicaton LEDS sch uvsxciitiasteniiyssauscuanickivtysias Geiaieecniy sated 57 ANB oAOWOER A E D S E E E E E 57 AlAs Rey Santana titans a a e a a a ice tihiatretets 57 4 1 5 Power Seting senenn einne e ai 57 4 2 RS 232 Interface Board sssssssosoeeesessssssoocoeeoeeesesesossooeoseseeeseesssoecoese 57 4 3 RS 485 Interface Board sssssss
51. age temperature cccceeseseeeeesesees 93 9 3 8 ERROR status on one IG pressure sensor eeeseeeeeeeeeees 93 9 4 Work Station sseesseeessesescccessoeesseceesecesccceesoeesseceesoceessoeesoeeesecceecoeessoeesseee 93 9 4 1 Work Station screen blank ssesesessesesessesesesesesssseseseseeseseseses 93 9 4 2 Work Station monitor image located incorrectly distorted or discolored uerrte tase stables mrant iat a a A aTi 94 9 4 3 No new windows can be opened on the Work Station or Work Station cannot De Started isu jerssscstscnincsrnassncntninsestaennteetest 94 9 4 4 Light Pen is not run comin gis sea ceesintednaguein sane canes 94 9 5 Level Unit sssesssesessecescceeesoecssecesscceesoecessecescceeecoeesoeeessecescoeeesoeesseeesseceeo 94 9 5 1 Backup Display is blank wainisscacasstorinsaacad cratinngceiadntietanetand 94 9 5 2 No response when pressing the keys on the Backup Display s keyboard innen e a atts edantgonihi E 94 9 5 3 Watch Dog LED on LCI board is on the lowest LED 94 9 5 4 Backup Display shows No flash program sssri 94 Saab TankRadar 7 Third edition June 1997 Service Manual 9 6 Transmitters a Sis ciniead sb cecisavinidcsuacasdutesdusaasecdussccnieadsseas sastietentekeseavsedaniness 95 9 6 1 Ullage indication not updated close to empty tank 95 9 7 Local Display ti cscsatitv sin loscesescvssn tun siuaasaesn dscaneacudevedesasaceercodeoseenaoanssassssa evens 95 9 7 1
52. ansmitter in tank number 10 86 Saab TankRadar Third edition June 1997 Service Manual 8 2 Checking the Tank Display Power Supply Unit The FI F2 and F3 fuses ratings 250 V 4 A are located ona separate fuse panel 1 Loosen the four screws to remove the cover 2 Check if the fuses are intact Replace if necessary Also reset the circuit breaker next to the transductor by pressing the reset button between the side panel of the unit and the interior vertical panel 3 Replace the cover and tighten the bolts Figure 8 3 Checking the TDU Power Supply Unit Saab TankRadar 87 Third edition June 1997 Service Manual 9 Fault Finding on the Saab TankRadar System Whenever there are symptoms in the system that may indi cate that there is some failure please start the fault finding by looking at the following pages Look for a similar symp tom as the one your TankRadar system is having and then look for the cause and the action to take in order to fix the failure The symptoms are printed to the far left in bold text On the line below is one or more descriptions of what is possibly causing the symptoms Below each cause there are a number of suggested actions preceded by bullets Both causes and actions are listed so that the ones that are most likely to happen or easiest to fix are placed first Abbreviations used in the fault finding chart LCB Backup Display in Level Unit LCI Inter
53. as WARNING Closed tank condition can not be maintained when removing the gas pressure sensor The tank atmosphere is exposed to deck envi ronment The IG pressure sensor must not be removed without permission from officer in charge Note The inert gas pressure sensor is an optional equipment installed in the Transmitter Unit at the delivery The inert gas pressure sensor is installed in the Transmitter housing The installation differs slightly between the Para bolic Antenna and the Cone Antenna See figure 6 6 The sensor is in contact with the tank atmosphere through the nipple and either through the bottom of the transmitter housing or through the Waveguide Cone These holes can become clogged and may need to be cleaned The IG pressure sensor measures the pressure relative to the atmospheric pressure outside the transmitter housing There is a small venting hose from the sensor to a nipple in the wall of the transmitter housing for the reference atmospheric pressure Saab TankRadar Third edition June 1997 Service Manual Note The sensor must be fitted to the vent hole by means of a Nylon hose Note Make a note of how the leads are connected to the wire terminal on the Electronic Box before you disconnect the leads 6 4 1 Cleaning the Inert Gas Pressure Sensor Follow the steps below when cleaning the IG pressure sen sor 1 Open the cover to the transmitter housing 2 Disconnect the leads to the IG sensor
54. binet scccccssssssssssssceeees 16 3 2 Replacing the Work Station s Hard Disk sscccccscsssssssscsssssceeees 16 3 3 Replacing a Work Station sis sisiisessssisscssessasspessvwaasesisssovesasseaserasusnancensabes 16 3 4 Replacing a Board in the Work Station ssccccccccsscsssssscsssssceeees 17 3 5 Screen Settings of the Work Station Monitor ssscsscscssrssssees 18 3 6 Loading Software to a Work Station ssssssssssssssesssesssscseseseseseseseeeseo 18 3 6 1 Install Program on Hard Disk of Work Station 18 3 6 2 Install Database and Pictures on Hard Disk of Work Station 18 3 7 The Service Windows of the Work Station Software sssssseeses 19 3 8 Level Unit Version Summary and Database Status ccccceseee 20 3 9 Level Unit Transmitter Data ccccsssssssccssscsscscssccsscsssceeeseseees 20 3 10 Level Unit Temperature Data cccscsccsscsccsccscsscssssscsssseessessees 26 3 11 Level Unit IG Pressure Data ccssssssssssssssccsssscsssccsssssccessoseees 28 3 12 Level Unit Extra Sensor Data sscsscssccsccscsssssscssccsssscsceesoseees 29 3 13 Level Unit Trim List Data cccccscscscsccscsssssccessscscssssccsscsecseers 30 3 14 Level Unit LCM I and 2 Status cscccccccccscsccsscsssrssssseeeesssseees 31 3 15 Level Unit LCI Status sis sis sivsnsscisssacessansscadsscsnansunsasansssdaccososuenuas
55. ccccccccccscssscsccscsccsseessesecsees 86 9 Fault Finding on the Saab TankRadar System sscccscseeee 88 10 Spare Parts sisisscsssncsssistensnssvercevsnnsusencssessacseeeesnucboanssdscshveenchupbrevscats 103 Il Recycling of Saab TankRadar ccccccccssssssscscsccccccesssscsscccceees 104 12 Saab Marine Service Agents ssssssesecsesossossseoecosssseseseesoeosssseseeoe 105 Lae OX PTET A E S 107 Saab TankRadar 3 Third edition June 1997 Service Manual Complete Table of Contents Guide to this MANUALS cascccssevsssciscsssecspvennnvavasvsessssetacwaresestandascenevessssnsesacees 2 Complete service information ssssssssossesesssessooooeeesoesesesossoocoeeseesseessosoooeoeeesesee 2 Information on how to operate the Saab TankRadar system ssssssssessessseseosoo 2 Information about technical data of the Saab TankRadar system 2 Abbreviations and Denominations ssssesssssosscoeoeeeseeseessosooocoseeseseeessooeoseoseseesee 9 General Description of Saab TankRadar ccscccccccceeeeseees 10 1 1 Radar Principle wiscuiscsussscsssesarssoseaseavanedasaavadins costsvavndaadaasesacesevedsonenseneunaee 12 2 General Information vascsssciscscsis iocccsvavecsovscsssssansvacsdessesevanwcevessesscucsens 13 2 1 SAISEY EE EE tavessecesnantcneanatanseete 13 3 Work Station ssessssseseecesosssssseseesososseoeseosesossssesesecoososssssseeoesssssss 15 3 1 Description of the Work Station s Ca
56. ce Manual 3 7 The Service Windows of the Work Station Software A number of the actions in the fault finding section at the end of this manual suggest operations done on the Work Station The Service functions are protected by passwords The Cap tain password is required when installing or backing up database and software in the Service part of the Work Station software J downloading or uploading database to Level Unit or Work Station in the Service part of the Work Station software adjusting IG pressure to zero in the Service part of the Work Station software disconnecting a channel changing the Operator password All other functions in the Service part of the Work Station software require the Service password Contact Saab Marine Electronics or one of the service agents to receive the Service password See list of service agents in chapter 12 Hit the Window button at the top of the Work Station screen Hit the Service item on the menu to open the Service sub menu See figure 3 2 In the service windows the dynamic data and database values are in separate boxes Most of the data in the database boxes can be changed Where there is data that can be changed shown as underscored there are two buttons Pictures Overview Group Trend Alarm Notepad Setup P Service P Level Unit Conf igure Communication Exit all 170 Instal1l Backup Log Process Debugger Run Diskette Zedit ScriptGen Shell Boo
57. correct distances from the TankRadar Refer ence point to the tank s reference point center of grav ity or separate ullage plug e TX active is checked when the LCM board requests the transmitter to measure However this checkbox does not automatically mean that the transmitter is working e Searching The transmitter has lost the echo but is searching for it e TX com timeout A temporary break in the communica tion with the transmitter Does not cause an alarm The box can be checked for a short while However if it remains for some time the TX sens fail status will go on resulting in an alarm e TX test fail The LCM tests each transmitter regularly The transmitter sends a known frequency equalling a certain ullage The LCM calculates the ullage from the test frequency and compares with the expected ullage If this box is checked there is also an alarm Note If the TX failure is checked but the TX comfail is not try exchanging the Electronic Box e Clean Antenna If the strength of the tank signal is slowly weakened over a long period of time the Clean Antenna box is checked The effect of both trim and list on the strength of the tank signal are taken into account Note The Clean Antenna warning may come up if the cargo has extremely low reflectivity such as certain chemical prod ucts A few of the database registers are shown in the window These registers can be changed and saved The tank distances displayed in the
58. corrected to the separate ullage plug C and E distances to the separate ullage plug then proceed as follows 1 Take a hand dip ullage reading at the separate ullage plug 2 Take the trim list corrected TankRadar ullage with trim list correction on 3 Compare the ullages 102 Saab TankRadar Third edition June 1997 Service Manual 10 Spare Parts 10 1 Standard Spare Parts Set 9150065 981 Part no Spare Part Quantity 9150065 615 Transmitter test cable G3 1 9150020 891 Cleaning brush nylon for crude amp products CRUDE amp PRODUCT 1 9150020 893 Cleaning brush stainless steel for chemicals CHEM 1 9150021 048 Box spanner for temperature sensors ONLY for systems with TEMP 1 0980240 002 Fuse 0 125 A slow 5x20 F3 amp F4 in I O box 1 0990117 014 Fuse 2 A 6 3x32 slow F1 F3 F4 F6 F7 in LP 2 0990117 011 Fuse 1 A 6 3x32 fast F2 F5 in LP 1 0990117 020 Fuse 8 A 6 3x32 slow F8 in LP 1 0980240 002 Fuse 0 125 A 5x20 F1 in SIOX module type R02 amp F1 on SIOX board ONLY for systems with SIOX 3 10 2 Extended Spare Parts Set 9150065 982 Part no Spare Part Quantity 9150065 981 Standard Spare Parts Set 1 9150064 871 Electronic Box 1 6853489 420 Light Pen Assembly 1 10 3 Complete Spare Parts Set 9150065 983 Part no Spare Part Quantity 9150065 982 Extended Spare Parts Set 1 9150064 541 Analog Digital Power Board LIA 1 9150064 552 Zener Barrier Board LIZ 1 9150064 511 Processor Memory Board LCM 1 9150064 501 Signal B
59. dar 69 Third edition June 1997 Service Manual 5 9 7 Amplitude Frame This frame is used for viewing the amplitude of the tank signal The frame shows three amplitude values at a time 5 10 Transmitter Interface LI The Transmitter Interfaces provide intrinsically safe power to the Transmitters temperature sensors IG pressure measure ment and Local Displays on deck 5 10 1 Cabling The cables from the Transmitters are connected to the Trans mitter Interfaces in the Level Unit The Transmitters are connected with individual jackable terminals 5 10 2 Configuration of the Transmitter Interfaces The Transmitter Interface is made up of two types of printed circuit boards the Analog Digital Power Board LIA and the Zener Barrier Board LIZ Figure 5 10 shows a Transmitter Interface In each Transmitter Interface there can be one two or three LIZ boards Each board can connect up to five Transmitters Each Transmitter Interface can connect up to 15 Transmitters There can be one or two Transmitter Interfaces in the Level Unit For example a system with 18 tanks would have one Level Unit with two Transmitter Interfaces There would be four LIZ boards in these two Transmitter Interfaces together Analog Digital Power Board Zener Barrier Board for 1 to 5 Transmitters Zener Barrier Board for 6 to 10 Transmitters Zener Barrier Board for 11 to 15 Transmitters Connectors for the Transmitters
60. database box are ex plained in the Installation Manual found in the As built drawings and user s manual binder The beam distances can be used when there are disturbing objects in the tank If required these distances are set by a service engineer when the TankRadar system is commissioned These beam dis tances should normally not be changed once the system has been commissioned Saab TankRadar 23 Third edition June 1997 Service Manual 24 The A and B distances are explained in the Installation Manual The Beam 1 4 distances are used to filter out any dis turbing echoes in the tank where Beam 1 is the lowest in the tank These values are programmed by a Saab service engineer during the commissioning of the sys tem They should not be changed Trim dist plug List dist plug Trim dist cog and List dist cog are used to define how the correction of the measured ullage should be corrected for trim and list angles Check if correction is done to a separate ullage plug or to the center of gravity of the tank in the win dow SETUP Drafts Trim and List The trim distance is positive when the TankRadar reference point is fore of the separate ullage plug or the center of gravity The list distance is positive when the TankRadar reference point is to starboard of the separate ullage plug or the center of gravity Trim dist plug is the longitudinal distance from the TankRadar reference point to a separate ullage plug It
61. der e Replace Light Pen Interface board see chapter 3 4 Level Unit Backup Display is blank The display automatically switches off after approximately 20 minutes after the last key pressing e Press any key on the keyboard No response when pressing the keys on the Backup Display s keyboard Connectors or flat cable between LCI and Backup Display is faulty e Check cable with connectors If necessary repair or replace cable Display or keyboard is broken e Replace the Backup Display including keyboard LCI board is not functioning e Check LCI board If faulty exchange the board See chapter 5 7 Watch Dog LED on LCI board is on the lowest LED LCI Board might be faulty e Restart Level Unit and then watch the LCI s watch dog LED Check Work Station for message Level Unit Communication Failed If watch dog LED goes on again replace the LCI board see chapter 5 7 Backup Display shows No flash program LCI Software faulty e Load new software into the LCI See chapter 3 23 Saab TankRadar Third edition June 1997 9 6 9 6 1 9 7 9 7 1 9 8 9 8 1 9 9 9 9 1 Service Manual Transmitters Ullage indication not updated close to empty tank Too weak radar echo due to inclined bottom or sludge on tank bottom e Ullage indication will be resumed when the tank is loaded again Local Display Local Display blank Setting of display mode may be incorrect e Check setting either on Backup Display in
62. e _ Level rate is the rate at which the surface of the product moves as the tank is loaded or discharged Positive values indicate that the surface moves upwards Saab TankRadar 21 Third edition June 1997 Service Manual e Distance is the distance from a separate ullage plug included to the surface of the product in the tank It is the ullage plus the A distance and is T L corrected e Filter center is the location of the center of the measur ing filter during the last sweep This value is normally very close to the ullage value It can differ when the surface is close to the bottom of the tank or close to a disturbing echo e Time stamp is a counter that shows that the transmitter is operating e T L corr cog shows the correction value used to adjust the ullage value from the TankRadar reference point to a trim and list corrected value at the center of gravity in the tank The centre of gravity is in this case the center of gravity of the product s surface COF when it is at the 98 filling volume in the tank e T L corr plug is the trim and list corrected ullage at a separate ullage plug same as A measure e Ampl prefilt is the amplitude of the incoming signal from the transmitter before it has passed any filters e Amp postfilt is the amplitude of the filtered signal This is normally the strength of the surface echo Read the Amplitude postfilt when using the Transmitter Test Cable see chapter 6 2 e No
63. e 4 1 shows the I O is used for connection of the Level Unit Box The Interface Boards are used for connecting equipment such as host computer load calculator ballast level gauging sys tem and Tank Display Units Via a SIOX Interface Board a wide range of analog and digi tal inputs and outputs can be connected via field bus distrib uted I O modules 8 x RS 232 or 2 RS232 SysFail Std Common Alarm Sid Aux 1 Aux 2 Aux 3 Configurable Aux 4 options Aux 5 Aux 6 Level Unit Standard Tank Display Units SIOX field bus Load calculator Optional peripheral Ship host computer units Ballast level gauging system Portable Readout System Figure 4 2 shows the I O Box with various optional equipment connected to it board locations can differ Saab TankRadar 55 Third edition June 1997 Service Manual 4 1 The Motherboard of the I O Box The motherboard in the I O Box contains a power supply a communication watch dog with System Failure output seven relay outputs and seven slots for plug in of various Interface Boards The seven serial channels are directly wired to the seven connectors for the Interface Boards 4 1 1 Watch Dog LED There is a red LED H4 on the motherboard indicating that there has been an interruption of the communication with the Work Station The LED remains lit after the watch dog has been triggered This LED will normally be lit since this watch dog will trigger while the Work Station
64. e chapter 6 4 e Ifit is not possible to adjust replace it See chapter 6 4 Saab TankRadar 95 Third edition June 1997 Service Manual 9 9 2 Indicated inert gas pressure always the same IG pressure sensor s opening to the tank may be clogged e Clean the sensor s opening to the tank See chapter 6 4 IG pressure sensor faulty e Replace sensor see chapter 6 4 9 10 Tank Display Unit 9 10 1 Display on TDU not working No voltage supply e Check fuses in TDU Power Supply See chapter 8 2 e Check power cables and DC distribution to TDUs Communication failure e Check communication cables e Check I O Box See chapter 4 and 9 4 9 11 Portable Readout System 9 11 1 Indication of communication error CERR on PRU Low walkie talkie battery voltage e Charge battery This may be necessary even if voice communication works Bad radio conditions e Move PRU walkie talkie to another position This may be necessary even if voice communication works e Check base radio antenna Low volume control on either radio e Increase volume control Incorrectly adjusted squelch control on either radio e Adjust squelch if any to low level without noise between transmissions 9 11 2 No voice communication between walkie talkie and base radio PRS No power supply e Check batteries in walkie talkie and power supply to base radio Unit faulty e Replace units one by one base radio walkie talkie PRU PRS Interface Board in I
65. e dynamic data from a Transmitter as well as the Transmitter s status The various tank distances stored in the database are displayed in this window You can change these values in this window It is also possible to set the Level Unit to a one tank measurement mode see chapters 3 25 and 3 14 It is also possible to restart the transmitter by hitting the Restart Tank button 20 Saab TankRadar Third edition June 1997 Service Manual LEVEL UNIT Transmitter data Register v Service 7 Back Exit Tank T Number 1 xja Name TL1B Ref point DYNAMIC DATA Ullage 3248 mm Innage 6752 mm Level rate 8 cm h Distance 3248 mm Filter center 3248 mm Time stamp 24872 s 16 T L corr cog 6 mm T L corr plug 6 mm Ampl preFilt 2894 mV Ampl postFilt 2512 mV Noise threshold 356 mV Com err freq 224 4716 TX comfail TX failure TX ID switch on Corr plug inval Corr cog inval TX active Searching TX com timeout IX Type Specific 1 Parabol 2 Cone TX test fail 5 Local Disp Mode None 1 Ullage Clean antenna 2 UL1 Temp Pre 3 WorkStation LLL L LLL Signal FFI search B Moving filter 1 FFT_1 source 2 FFT_2 DATABASE a reesi Trim dist plug _ 8 mm List dist plug _ 8 mm J Normal Trim distance is positive when Acoffs to plug m 5 p B LCS Simul transmitter is fore of plug cog B tank depth Trim dist cog __ Umm imu j A Ni Beam 4 dist List dist cog mm TX Simul
66. e of these LEDs are flashing the LCI may not be functioning Follow the steps below 1 Check cables and connectors between LU and I O Box as well as between I O Box and Work Station 2 Check that correct baud rate is used on both Work Station and LCI See chapter 3 18 for more information 3 If no fault is found replace the LCI board It is included in the Complete Spare Parts set See instructions in chapter 5 7 2 below Saab TankRadar 63 Third edition June 1997 Service Manual 5 7 2 Replacing the LCI Note In order to avoid ESD damages electrostatic discharge do not touch the components or the pins in the connector at the back of the board 1 Switch the power off before starting this operation 2 Remove the two screws on the front panel of the board Remove the four screws of the Backup Display 3 Push the knob down to loosen the connector at the back of the board See figure 5 4 4 Pull the both the LCI and the Backup Display out slightly so that you can remove the connectors on the flat cables from the Backup Display 5 Enter the new LCI gently into the slot 6 Connect connectors to the Backup Display 7 Push LCI slightly so that it becomes flush with the other boards 8 Tighten the screws of LCI and Backup Display Switch system on again 9 Download the database from the Work Station to the new LCI See chapter 3 24 64 Saab TankRadar Third edition June 1997 Service Manual 5 8 Tri
67. e switch is marked Saab TankRadar 73 Third edition June 1997 Service Manual on the label on the front of the Power Block since the switch is located inside it 5 Mount the new Power Block Tighten the four nuts 6 Replace the cable connectors 6 Transmitters There are two types of Transmitters with different antennas available with the Saab TankRadar Parabolic Antenna Transmitter Cone Antenna Transmitter The Transmitters are prepared for inert gas pressure mea surement Local Display and connection of up to five Pt 100 sensors Three of these temperature sensors can be placed in a tank mounted thermowell The remaining two inputs can be used for additional Pt 100 sensors for example from heaters When cargo tank temperature measurement is included the Temperature Connection Box is located on top of the thermo well and connected via a cable to the Transmitter The Tem Electronic E Module EP Wire IG pressure terminal sensor option NL ae Cable Ullage S inlet u a Cleaning ff Hatch option Parabolic reflector Trans mitter Antenna EN Feeder Lee aa e Figure 6 1 Cross cut of the Parabolic Antenna
68. e transmitters to restart Restarting the LCM also causes the transmitters to restart LEVEL UNIT Restart of LCI LCM Register Ti Service tT Mode Back Exit Restart LCI Restart LCM 1 Restart LCM 2 Saab TankRadar 47 Third edition June 1997 Service Manual 3 28 Level Unit IG Press Zero Adjust LEVEL UNIT IG pressure zero adjustment Register T Service rT Back Exit Tank Ti Number 1 vjaj Name TL1B DYNAMIC DATA f gy comfail i Important 165 mb E i 4 During zero adjustment Pressure mbar Press sens fail Press valid aha anttenet balat Ext press alarm atmospheric pressure DATABASE Pressure offset 4 Undo Save Zero adjust this sensor Zero adjust all tanks Select this window when the IG pressure sensors need to be adjusted Select the tank that needs to be adjusted Note When the IG pressure sensor is adjusted for zero pressure it is very important that the pressure inside the tank is equal to the pressure outside the tank The tank must be opened See also chap ter 6 4 Permission from officer in charge must be obtained before the tank is opened Follow the instructions below when calibrating the IG pres sure sensor for zero difference in tank pressure and atmo spheric pressure 1 Make sure that the tank or tanks that you intend to calibrate are open and that there is not a strong wind affecting the measurement 2 Check that none of the check boxes for T
69. eeeeseseeeee 72 5 10 9 Replacing a LIZ or a LIA s s esssssessssssesssssissesesessssssssesenresesesesesnesese 72 5 10 10 Replacing a Transmitter Interface LI seseesseseeeseeereseseresrree 73 5 11 Power BOCK siiiscecsscacssasseasassessessonsnaseseesdguasansonnsucvsnsseess sas sadavenceaashnedyssnease 73 5 11 1 Fuses in the Power Block dina caneie iceniateteesaganin ew mandd 73 5 11 2 Replacing the Power Block siesjssecsiveis diorpnaenddpeslesienvarssisotiacdivipucs ens 73 6 TransmMitters ccccees ETEO EON reee EEEE Eea 74 6 1 Replacing an Electronic Box 0 ssssccccsssssssssccssssssscrsecsssssecssscssnses 75 6 2 Transmitter Test Cable svscsssesssaiss saisssistintiacdesdssscvcsansescuseocentacenavianandeoss 77 6 3 Cleaning the Ante nina scssssyecaissicsjegsevnasaavnniesescsiasesnansesustogs tnadeaieetereesarease 78 6 3 1 Cleaning the Parabolic Antenna s sssscsssiesssssscstssnsssovininonevessintonns 78 6 3 2 Brush cleaning the Parabolic Antenna 0 c cece 78 69 5 Cleaning Dy Hand casas cseendivassiataieainnieaaeigennaronasienlannesecs 79 6 3 4 Cleaning the Cone Antenna sesssesessssissstissstsesrersrtessrrssrrssrereseees 79 6 4 Inert Gas Pressure Sensor Option ssssssessessssssoeoesessesssesoosoosoeeeseesee 80 6 4 1 Cleaning the Inert Gas Pressure Sensor sssssessssssississsrieeseeseees 81 6 4 2 Replacing the Inert Gas Pressure Sensor c cece 81 6 4 3 Zero Pressure Calibration of IG P
70. electricity Be careful not to expose any of the components inside to static electricity Always ground yourself by using a grounding wrist band or by touching something that is grounded before touching any of the components inside the Work Station See maker s manual Hewlett Packard for description of the Work Station PC This is enclosed in the Saab TankRadar G3 manual binder The principle connection of the Work Station is shown on the drawing Work Station Connection Principle Diagram in the As built drawings and user s manual binder Replacing the Work Station s Hard Disk See chapters 9 2 1 and 9 2 5 in fault finding section for infor mation on when to change the hard disk of the Work Station Remove the Work Station 1 Turn the power off 2 Disconnect the mains lead 3 Remove the PC from the ruggedizing kit 4 See maker s manual Hewlett Packard for detailed information on how to replace the hard disk Replacing a Work Station Replace the Work Station either with a spare one or by re placing a master Work Station with a slave if more than one Work Station is included in the system See fault finding chapters 9 2 1 and 9 2 2 for more information on when it might be necessary to replace the Work Station 1 Remove all the connectors from both the slave and the master Work Station 2 On both Work Stations remove the monitor as well as front and top cover following the instructions in cha
71. en e Check cabling between faulty Transmitter and Level Unit If there is a warning on Level Unit ground failure there may be water within the Transmitter housing or in any associated cable connection box e Check inside of transmitter housing Clean and dry out if necessary 9 3 6 ERROR status on one temperature sensor Faulty cabling between Transmitter and temperature sensor e Check cabling and if necessary repair Temperature sensor faulty e Replace temperature sensor See chapter 7 2 9 3 7 INVAL status on average temperature This message normally does not indicate any fault None of the temperature sensors are below the product surface immersed in the liquid e Check Tank Setup window for tank in question on the Work Station Sensors that are immersed in the product are shown with INCL in the Mode column See Operating Manual 9 3 8 ERROR status on one IG pressure sensor Cable to sensor may be faulty e Check cable between sensor and cable terminal on Transmitter Sensor may be supplying a signal that is out of range e Try to zero adjust the sensor and if that is not possible replace the sensor See chapter 6 4 9 4 Work Station 9 4 1 Work Station screen blank Monitor not turned on e Check that switch on the front panel below the screen is set to 1 See chapter 3 5 Incorrect brightness contrast setting e Change setting see chapter 3 5 Contact fault between PC and monitor e Check cables and connectors between PC and mon
72. enecaases 33 3 16 _ Level Unit LI Status ics cisssscctssssscssssiessisgessnssanssasonsssnisosessnsesenscanaseseaiooss 35 3 17 Level Unit Backup and Local Display ssccccccssssssssssssssssceees 36 3 18 Level Unit LCI Com Ports ncccccscscssssesssssssonssacossntsasasssssssconssooesecssnsssse 38 3 19 Level Unit Relays cesscscececececcesesescscssosssssosssssssssssssesesesecsesesesesesse 39 3 20 Level Unit Work Station Communication sssssssssessesssssosesoeoeesssesee 40 3 21 Level Unit Any Register sssssssssssssssssccssssssssssscscscscscceceeeees 4l 3 22 Level Unit LCI LCM Version s sseessssecesssscoosscecesceccssseccssscecssseccsseee 43 3 23 Level Unit Load ProgramM ssessessssscsssseoeeessesesossoecososeessesesosooeseeeseesee 44 3 24 Level Unit Up Download Database ssssccccsrccsssssssccssssssseees 45 4 Saab TankRadar Third edition June 1997 Service Manual 3 25 Level Unit TX Service scccsssscccccscccscssscsccsssscsscesscssssscsscssesees 46 3 26 Level Unit Scan Tank sisississssisscvssesssasscsassisssinsseacosvandsdscesdasnassdsasscoeasan 47 3 27 Level Unit Restart LCI LCM ccccsssscsscsccsscscccsscccssccesssccsssceeses 47 3 28 Level Unit 1G Press Zero Adjust cccccssersssssssecscsecscssssssessees 48 3 29 Disconnect LU ssccsociarsss succsscdecevessuneswarosied sadsanscosucbapwauakaasesacssivesv
73. face Board in Level Unit LCM Processor Memory Board in Level Unit LCS Signal Board in Level Unit LED Light Emitting Diode LI Transmitter Interface in Level Unit LP Power Block in Level Unit LU Level Unit WS Work Station 9 1 SysFail and Warning Messages Shown on the Work Station 9 1 1 SysFail message Level Unit SysFail Level Unit may not be switched on e Press power switch in Level Unit to setting 1 see chapter 5 3 Mains power supply to Level Unit may be failing e Check power supply cable and fuses See chapter 5 11 Fuses in Power Block of Level Unit might be blown e Check cause of blown fuse Replace burnt fuses see spare parts list in chapter 10 e If system is new check setting of voltage in Power Block in the Level Unit Voltage setting is marked on the Power Block See chapter 5 11 LCM Board faulty e See chapter 5 6 Communication to one or more LIs within the Level Unit has failed e See chapter 9 1 3 and 9 1 4 below 9 1 2 SysFail message Level Unit Communication Failed I O Box may not be functioning e Check mains power supply and power cable to I O Box Check setting of voltage in I O Box See chapter 4 88 Saab TankRadar Third edition June 1997 9 1 5 Service Manual Contact fault between Work Station and I O Box or between I O Box and Level Unit e Check cable and connectors Serial port Com 1 or Serial Interface Board in Work Station faulty e Check Service window Com
74. ftware onto the hard disk of the Work Station This needs to be done for example if the hard disk has been replaced The software consists of three parts program database and pictures This is complemented with your own backup copy of database and pictures The program is stored on diskettes that are stored on board The first diskette is a boot diskette which means that the PC can be started on that diskette If any other diskette is in the drive when powered on the operator will be notified to remove it 3 6 1 Install Program on Hard Disk of Work Station 1 Slide the Boot diskette into the disk drive of the Work Station 2 Restart the Work Station by pressing the Reset button on the front of the PC The Work Station will now re start on the Boot diskette in the disk drive 3 Follow the instructions on the screen to install the new program 4 When the installation is finished the Work Station will restart using the new program 3 6 2 Install Database and Pictures on Hard Disk of Work Station Database and pictures are stored on a diskette At the deliv ery of the TankRadar system a diskette with files for data base and pictures is included As you make changes to your system you should make backup copies of your database and pictures See chapter 3 32 Follow the instructions in chapter 3 32 to install database or pictures onto the hard disk of the Work Station Saab TankRadar Third edition June 1997 Servi
75. gram shows the acceptable amplitude for a Test Cable with a rated amplitude of 2000 mV When the amplitude printed on the label is other than 2000 mV the shaded area can be moved up or down so that its centre corresponds to its 30 20 10 0 10 20 30 40 50 60 70 co printed amplitude Saab TankRadar 77 Third edition June 1997 Service Manual Check that the amplitude is within the shaded area according to figure 6 3 If it is not exchange with new Electronic Box 6 3 Cleaning the Antenna Figure 6 4 Brush clean ing the Parabolic An tenna 78 The only regular maintenance required is cleaning of the transmitter antenna No general intervals can be stated as cleaning intervals depend on the carried cargo There is an automatic test function in TankRadar indicating when an tenna cleaning is required A warning message stating which Transmitter that needs cleaning is displayed on the Work Station The warning comes up if the reflected signal from the surface during a period of 5 hours is too weak Other failure func tions override the above indication The cleaning of the antennas is carried out differently on the Parabolic Antenna and the Cone Antenna 6 3 1 Cleaning the Parabolic Antenna Follow the steps below when cleaning the Parabolic Antenna 1 First clean the Teflon on the antenna feeder following the Brush cleaning instructions below 2 Wait half an hour If there is stil
76. h another SIOX board from the Complete Spare Parts set See chapter 4 4 e Check the fuse for external supply voltage on the SIOX board 9 1 12 Warning message PRS Communication Failed Communication cables faulty from the I O Box to the PRS equipment e Check cables between PRS and I O Box Mains power supply failing to PRS e Check power supply cables and fuses I O Box failure e See chapter 9 1 5 PRS Interface Board in I O Box faulty e Try exchanging with a spare PRS board See chapter 4 5 e Check the fuse for external supply voltage on the PRS board 9 2 Other Messages Shown on the Work Station 9 2 1 Message PROCESS DATABASE NOT RUNNING Alarm handling is off and pictures are not updated Please wait until system restart If shown on the Master Work Station there is a serious fault in it If the Work Station keeps trying to start up over and over again try the following e Reinstall the Work Station Software see chapter 3 6 e If problem persists Replace hard disk see chapter 3 2 e If problem persists Replace Work Station See chapter 3 3 9 2 2 Message NO CONTACT WITH MASTER WORKSTATION Network Error or Master Work Station not running Please wait until connection established This message is shown on the Slave Master Work Station in a network system when the Master Work Station is not communicating Master Work Station is not turned on or power supply is failing e Turn the Master Work Station on The Master Work S
77. ho is usually strong enough for reliable measurements But in exceptional cases the radar echo can be lost during turbulent loading discharging or with strong trim list angles or when measuring close to the tank bottom Figure 1 4 An inclined cargo Figure 1 5 Waves on the level weakens the radar echo surface give a scattered and Trim list angles of more than weakened echo signal Turbu 3 can lead to error in the lent loading and discharging ullage measurement especially close to empty tank can lead to error in the ullage measurement Saab TankRadar Third edition June 1997 Service Manual 2 General Information 2 1 Safety Note If TankRadar system needs to be switched off check with officer in charge that it is OK to interrupt the operation of the system When connecting equipment in hazardous areas certain requirements must be fulfilled to provide protection against explosion There are requirements both for the equipment in the hazardous area on deck and for the associated equipment in non hazardous area The Saab TankRadar system is intrinsically safe and meets the requirements of all the major classification societies The Transmitters and deck units connected to them have the following safety approval code e EEx ia IIC T4 according to EN50014 and EN 50020 European Norm All other optional equipment such as Portable Readout Sys tem separate high level alarm system su
78. i offset __ 8 C718 L1 8 188 C 3 wire 58 258 C 3 wire 6 H distance 588 mm 6 mm C 18 Restart TX when sensor Restart TX Undo Save type has been changed Select a new tank by hitting the Tank button or by hitting the up or down arrow keys The dynamic data box shows Int temp The internal temperature measured by a sensor inside the Transmitter is displayed Temp avg The average temperature calculated as the average of the values from the sensors that are im mersed in the liquid Temp 1 2 or 3 The value from each individual sensor is displayed The following status are shown Note Temperature sensor number 1 is the lowest sensor If only two sensors are used these will be number 1 and 2 with number 1 as the lowest TX comfail indicates that the transmitter is not commu nicating This produces an alarm on the alarm row Int temp fail The internal temperature measurement has failed when the box is checked Avg error This box is checked if it was not possible to calculate any average temperature For example if there is no temperature sensor in the liquid Temp 1 2 or 3 fail This temperature sensor does not produce an acceptable value Int Temp valid This box is checked when the internal temperature sensor is producing an acceptable value 26 Saab TankRadar Third edition June 1997 Service Manual Temp 1 2 or 3 in liq This box is checked when this temperature sensor is immersed in the l
79. ice threshold Any echoes with amplitudes less than the noice threshold do not interfere with the measure ment This value is set to 350 mV as default A normal echo from an oil surface has an amplitude Ampl postfilt of approximately 1500 to 2500 mV e Com err freq Shows the frequency of communication errors Its value should be less than 10 10 A larger value could be an indication of for example bad wiring The system should have been running for at least 15 minutes before this value shows a reliable figure A true indication of the communication performance is avail able after a few hours operation The Transmitter status are shown as check boxes TX comfail indicates that the transmitter is not commu nicating This produces an alarm on the alarm row e TX failure No echo has been found The transmitter is ordered to wait for a minute then it starts searching again The ullage values displayed are the last valid values The ullage is not updated as long as TX failure is checked 22 Saab TankRadar Third edition June 1997 Service Manual e TX ID switch on is checked when the button on the Service Display is pressed or when positions 4 and 30 on WT500 on the transmitter has been jumpered e Corr plug inval is checked when the trim and list cor rection of the ullage cannot be done or when the calcu lation produces erroneous results This holds true for the Corr cog inval as well This could be caused by totally in
80. igh priority 3 32 Install Backup Window SERVICE Instal1 Backup Install vi Backup Ti View Back Exit aum SA AE le ee ee ACTIVITY STATUS The WorkStation must be restarted after Install from diskette For networked systems Backup must be made on the Master WorkStation Install must be made on all WorkStations Use this window to make a backup copy of pictures and database or to install new software We recommend that you make two backup copies of database and pictures every six months Store one copy in a safe place together with program diskettes Send one copy to Saab Marine Electronics for storage on network servers In this way the database and pictures of your system will always be up to date When communicating with Saab Marine this updated information will be of great help when fault finding changing pictures or in any other way updating the system 3 32 1 Backup Copies of the Database and Pictures Follow the instructions below when making backup copies of the database and pictures Note When there is a network of Work Stations backup must be made from the Master Work Station 1 Slide an empty DOS formatted diskette into the dis kette drive 2 Open the Install Backup window 3 Hit the Backup button A menu is opened Saab TankRadar S Third edition June 1997 Service Manual 52 4 Select Backup All A message is displayed on the screen and
81. in this manual LC LCB LCI LCM LCP LCS LI LIA LIZ LP LU TX WS Saab TankRadar Third edition June 1997 Calculation Unit Backup Display Interface Board Processor Memory Board Calculation Unit Power Supply Signal Board Transmitter Interface Analog Digital Power Board Zener Barrier Board Power Block Level Unit Transmitter Work Station Service Manual I General Description of Saab TankRadar Saab TankRadar is made up mainly by the following parts Transmitters Level Unit Work Station These units are shown in figure 1 1 below All Saab TankRadar Marine transmitters are intrinsically safe providing a number of benefits for the operator There is a high degree of safety built into the system Since its impos sible for electrical faults to cause an igniting spark the equip ment can be serviced at any time even though the ship is in operation Load ieee a calculator Portable Portable Ship host x amp Wie Readout Readout Nese computer Optional Unit System system Work Base Radio Stations in network Printer To Saab TankRadar MaC Electro pneumatic Overfill and level gauging high level system alarm ballast etc system Analog in outputs Digital in outputs Cone Antenna Transmitter with IG Pressure
82. ing sits ie ivincsarhinrimaestlies 41 Relays sunean sidan 55 74 Relays in I O BOX desta tasatiutie tetials decdet te 57 Relays in Level Unitas scnicasieatnssienitears 57 Relays windowW i oistcytusbeavetiaatsaatisedeennaans 39 Replacing a LlAs ak dentin vass 73 Replacine a byl Zvasiswasssantassnanisaitoas 73 Restart ECPECM Aaii iesiti 47 Restarting the Level Unit 62 RS 485 Interface Board cccesceeseeeeees 58 RS 232 connection ccscccesscecesseeessseeesees 74 RS 232 Interface Board ccccesceceseeeeees 57 RS 485 Interface Board cceeseceseeeeees 50 S Saab Cargo Control system cceeeee 11 Saab MaC 501 i ccissvesdsecheaseulbeveneleccasmaseveess 11 DALOLY wiicnininmiacrnielsenbisasieadei io amnion 10 Sa Ves DULON ectanodiiada eau neaodealen tains 20 Sereen SELINGS siisii nias 18 Serial Interface Board n 17 Serial Pottsin asinante iels 49 Service Frames eeeeeseeeeesereessrresssrrressreee 69 Service MENU ssesssseseesesssssererresesseserereesssses 19 Service PErrem eenaa 74 Service software s essesssssssresseserssressesrresee 19 Shells eere Caen a A a 55 Signal Board svisicisesssvieoseievsiaverds 61 63 72 SIOX Communication Failed 92 SIOX Interface Board cccceeseeesseeeeees 58 SIO Mod le sicisussatinencncus niet 58 Sweep COUNTED ict citeiosisnaschaciinimansiesieades 32 DY PUP tOMNS esiisa isisi iia 89 Dy stall Messages cassis niacin suites 89 System fai
83. iquid when it has stabilized and when the ullage value is valid The following database data are shown and can be changed L3 L2 or L1 type range This value shows if it is a three wire or four wire type sensor that is used The temperature range is also defined by this value The following values can be shown e 0 for no connected temperature sensor e 1 for four wire sensor with temperature range 0 to 100 C e 2 for four wire sensor with temperature range 50 to 250 C e 5 for three wire sensor with temperature range 0 to 100 C e 6 for three wire sensor with temperature range 50 to 250 C H distance The H distance is explained in the Installa tion Manual Any changes of the database values must be followed by hitting the Save button as well as restarting the transmitter by hitting the Restart TX button Saab TankRadar Third edition June 1997 27 Service Manual 3 11 Level Unit IG Pressure Data LEVEL UNIT Pressure data Register T Service Ti Mode Backi Exit Tank T1 Number 1 xja Name CT 1 TX comfail Pressure 6 mbar Press sens fail ml Press valid Ext press alarm Def ined types Not connected 9 566 mbar Press sens type 6 Pressure offset 6 mbar Ext alarm low 266 mbar Restart TX when sensor Ext alarm high 768 mbar type or alarm limits Restart TX Undo Save ES ERD ehtala The IG Pressure Data window shows the dynamic data and the database val
84. is also called the C distance see the Installation Manual for more information List dist plug is the transversal distance from the TankRadar reference point to a separate ullage plug It is also called the E distance see the Installation Manual for more information Trim dist cog is the longitudinal distance from the TankRadar reference point to the center of gravity of the products surface at 98 filling volume of the tank COF It is also called the C distance see the Installa tion Manual for more information List dist cog is the transversal distance from the TankRadar reference point to the center of gravity of the products surface at 98 filling volume of the tank COF It is also called the E distance see the Installa tion Manual for more information TX type describes which type of antenna that is used on the tank 0 indicates a special antenna 1 indicates that the Parabolic Antenna is used 2 indicates that the Cone Antenna is used XX indicates that the Fast Opening Parabolic Antenna is used XX indicates that the Draught Antenna is used Spec inner length is a theoretical distance correction for the distance from the microwave unit to the TankRadar Saab TankRadar Third edition June 1997 Saab TankRadar Third edition June 1997 Service Manual reference point There is no need to enter a value here if TX type is selected as 1 or 2 The Local Display Mode indicates which data the Local D
85. isplay should show 0 switches the display off 1 makes it show ullage continuously 2 makes it toggle between ullage average temperature and inert gas pressure 3 sets the display to show a value sent from the Work Station This feature is programmed prior to delivery of the system If no value has been defined the feature is not working 4 sets the display to show ullage always in mm 5 sets the Local Display to show the tank address all the time FFT search This indicates the method used to find the echo when it has been lost The FFT Search method is set by the Saab service engineer when commissioning the system It should only be changed by a Saab service engineer 25 Service Manual 3 10 Level Unit Temperature Data The Temperature Data window shows the dynamic data and the database values for the temperature measurement LEVEL UNIT Temperature data Register v Service vi Mode Backi Exit Tank T Number 1 xja Name CT 1 Int temp Temp avg Temp 3 Temp 2 Temp 1 TX comfail 946 C 16 Int Temp fail F Int Temp valid 8 C 18 avg error C 18 Temp 3 fail 3 Tenp 3 in liq 8 C 18 Temp 2 fail 8 C 18 Temp 1 fail Temp 2 in liq H f Temp 1 in liq Defined temp range type L3 Not connected L3 type range L3 length L3 offset L2 type range L2 length L2 offset a L1 type range 8 ae c tuire B mm L1 length B mm L2 58 250 C tuire 8 c718 L
86. it TX Service LEVEL UNIT Transmitter service Register T Service 7 Back Exit Tank T Number 1 vja Name TL1B Search Tank TT Manual Measurement DATABASE Filter dist xaj mm Beam 4 dist Filter width 1 ajaj 1 4 Beam 3 dist Beam 2 dist Beam 1 dist Undo Save Search tank Manual measurement Tank Schedule Mode Restart tank L Normal One tank Timesharing Status eee See LCM 1 Normal LOM 2 799 All distances are from TankRadar Ref point Filter Width 41 508 mm 2 1506 mm 3 3888 mm 4 6068 mm Use Search Tank to find the echoes in the tank then use Manual Measurement to decide the echo more exactly according to the Commissioning Instructions When the disturbance echo position has been decided the beam distance is entered and saved into the database The beam order is important Start with Beam 1 for the longest distance The test functions for TX simulation and LCS simulation can be used if a tank has the TX Failure check box marked When setting the signal source to TX Simulation a tank signal will be sent from the Transmitter to the Level Unit The LCS Simulation generates a signal from within the Level Unit The simulation signal represents a Distance about half the B distance if TX Type and Specific Inner Length are set to zero and the Pipe and Vapor Correction are not used Note that the simulated Distance is not precise
87. it one of these buttons The normally used registers are shown in the windows de scribed in this chapter 3 It is only for extraordinary service actions that you would need to go directly to the register and change data You can select if you want to see the registers in hexadecimal or in decimal form Normally decimal form is best Enter at which register you want the displayed list to start at and how many registers you want to see max 15 at a time Then hit the Read button to display the registers you have specified Saab TankRadar 4l Third edition June 1997 Service Manual Database registers can be changed Type in a new value and hit the Save button Note You must be sure that you are changing the correct register as many of the registers lack a descriptor A list of a few of the database registers of the LCI is included below Reg no Name Description 00 Port_1_protocol To Work Station 01 Port_1_baudrate To Work Station 02 Port_1_databits To Work Station 03 Port_1_stop bits To Work Station 04 Port_1_parity To Work Station 05 Port_2_protocol To Service PC 06 Port_2_baudrate To Service PC 07 Port_2_databits To Service PC 08 Port_2_stop bits To Service PC 09 Port_2_parity To Service PC 10 LU_setup 0 fast update 1 redundance 11 Relay_4 control O off 1 on 12 Relay_5_control O off 1 on 20 LCB_TrimList_corr O off 1 on 21 LCB_ullage_unit 0 m 1 feet 22 LCB_temp_unit 0 C 1 F 23 LCB_press_unit 0 mbar 1 PSI
88. ithsshdcbesthalteiursiioniaianen Backup Display s iciscsiccsdasaisiees 36 69 Beam distance cccccsssecsssceseeseeesseeeseeees Cc Cables Calculation Unit ssccsinsssdactinssectesacneats 62 CFAIL status Clamp TNE reiii tan steabisacdtarande aeattgnnahs Clean antenna warning ss sessessesese1se Communication data cccccceccccseeseeees Communication Log button Commu nication Window s es Cone Antenna ccccccccccsesssceessssseecesseeeeees Cleaning Cone Antenna Transmitter c0000 Saab TankRadar Third edition June 1997 Service Manual Installation vvecccsdice ie atireete ties aceuecsstens 52 LCT and LEM saccciessssastensoesevgtvnstibyesseraiee 70 Database Memory accwnsuie wasn daadintes 63 Database registers i ctesciyncssonisshonmmsciodsn 70 ICI TCSISLOLS A are anmieds 42 Digital in and outputs cee 51 56 Dig thal signal cess ocaieesanaipnus Hadiccesternaita toss 73 Disturbing ODES aciesctonratnnisdonmesdiadas 23 Draft measurement cesncitaincan nani 98 Dynamic register sa ceneinidciseatsnmeaticen sdeceuts 20 Dynamic registers ii erisnitiniscdistuanaiaeedens 70 E Echos anana as Sad datas eas 12 PICCEONIC HOX svactianieatoivedecintemitaeion 76 Replacing iniinis 76 MIC oscerior miaa asetan 74 ERROR status igcu diniiauiuaniba ica 93 94 European NOM ics euneatstelenenhala 13 Explosion protection ccccccceseesseseeeeees 13 Extreme Pressure Alarm 00084 28 39 F
89. itor Power supply to monitor failing e Check power supply to PC and from PC to monitor cables and fuses Setting of BNC D Sub incorrect on front of monitor e Switch setting to D Sub position see chapter 3 5 Saab TankRadar 93 Service Manual Third edition June 1997 Service Manual 9 4 2 9 4 3 9 4 4 9 5 9 5 1 9 5 2 9 5 3 9 5 4 94 Work Station monitor image located incorrectly distorted or discolored Static field distorting the image e Press the degauss switch see chapter 3 5 Image settings incorrect e Adjust image settings see chapter 3 5 Some object is disturbing the magnetic field controlling the image e Check for any large metal object radio transmitter magnet or transformer placed close to the monitor No new windows can be opened on the Work Station or Work Station cannot be started Hard disk failure or software incorrect e Install new software see chapter 3 6 Start the Work Station If it is still not possible start it replace the hard disk see chapter 3 2 Light Pen is not functioning The setting of the light intensity of the monitor is too low e Increase light intensity see chapter 3 5 Cable or Light Pen is faulty or disconnected e Check cable and connectors e Replace Light Pen It is included in the Complete Spare Parts set e Use arrow keys on keyboard to move the cursor Hold an arrow key down to move the cursor quickly Light Pen Interface Board in PC is out of or
90. ivasicusireasaieites 70 M Master Communication Failed 91 MiCrOWaVeS ccccccscssececssssssssecsseseceesssssseeeess 12 N Network Board ccccccccesssscecesseeeseesseees 17 NO CONTACT WITH MASTER WORK STATION ee ta ee a R AE i 92 P Parabolic Antenna xiscssssosscsrsendsocpoaneseanvecces 75 Brush cleaning gecfssssveitasetarabeaseesstendens 79 CISA ITS inona 79 Cleaning by Hand sien ssi seecden tates hatte 80 Parabolic Antenna Transmitter 11 PICK OPY ionni ohi ad aia dae 55 Pictures BackUp innen a 51 J stallatio M x cxncitscconadesansecrenecelereeteemiees ts 52 Portable Readout System 97 POWer Blockiiisanreinnn anitir 72 74 Repladn gaiiiera ne pase eaa 74 Power Failure relay Sascstn siecivaesea ites ecceteioats 39 Power loss alarmesisasscsscvscssassnccdossinaceassenaees 74 Power outlet a s arseivstaatiatinacsasekeetintaess 74 Power supply Power Block sceiesiiriciiitieinerieaits 74 Pressure AlATIN lt cssscadsoesssarcgeacdsecosasdecsgaabandars 74 PROCESS DATABASE NOT RUNNING 92 Process Debugger iscsi sds iadisiedonenans 55 Processor Memory Board 61 63 73 Status fat T ss ciation Naess a eh nt 31 Protocol setting innsinn 38 PRS Interface Boards baduisncenhiwcndsigan 59 Q CIND E A A EEE AE A E AEO 15 R Radar principle viniisccrdisgetacts atsvaldvttnveess 12 Register Frame sssssesesesssssssserererereresereresese 70 Saab TankRadar Third edition June 1997 Registers view
91. k contains filters for the supply voltage to ensure that the strictest EMC requirements are met The Power Block can be set for supply voltages of either 115 or 230 VAC The switch is located inside the Transmitter Interface The setting of the switch is marked on the outside of the Power Block There are five relays in the Power Block Three of these relays are used for cargo tank IG extreme pressure alarm power loss and System Failure Two relays can be controlled from the Work Station If a Work Station is included in the system there is also an I O Box with a similar set of relays These relays will then be used instead of the ones in the Level Unit s Power Block Only the relay for the IG extreme pres sure alarm is unique for the Level Unit There is an RS 232 connector and a power outlet located in the Power Block for connecting a service PC to the Level Unit 5 11 1 Fuses in the Power Block There are six fuses that protect the two intrinsically safe transformers To maintain the intrinsic safety it is very im portant to use correct fuses when replacing them See the Spare Parts List at in chapter 10 of this manual 5 11 2 Replacing the Power Block If the Power Block is faulty replace it as a whole unit 1 Remove the cover plate below the Power Block 2 Remove the connectors 3 Remove the four nuts holding the Power Block 4 Check that setting of the power supply is correct on new Power Block The setting of th
92. l the warning message check if the parabolic antenna has any moisture on it If it has clean it according to the instructions in Cleaning by Hand below Also check if there is something be tween the parabolic antenna and the surface of the liquid If so remove it 3 If the warning message is still there after another half hour please contact Saab Marine Electronics Service Department or a service agent for further assistance See chapter 12 for a complete list of the service agents 6 3 2 Brush cleaning the Parabolic Antenna The cleaning with the cleaning brush can take place while the tank is in operation and while it is pressurized with inert gas 1 Remove the cleaning hole plug on the cleaning hatch on the transmitter socket 2 Connect the grounding wire of the cleaning brush to the ullage plug or some other suitable place where a good grounding is achieved 3 Push the Teflon adapter into the plug hole The check valve on the inside is now opened Insert the brush to the first mark on the brush shaft Move the brush between the first and the second marks on the brush holder Saab TankRadar Third edition June 1997 Service Manual 6 Clean both sides of the antenna feeder in the same way 7 Remove the brush and the Teflon adapter and replace the cleaning hole plug 6 3 3 Cleaning by Hand Before cleaning the inert gas pressure must be reduced Also observe local environmental safety and health regulations
93. lash program LCI DB error Indicates an error in the database Default DB loaded If the checksum of the database is incorrect at startup this box is checked The box will be checked until the next time the LCI or Level Unit is restarted or the database is changed Saab TankRadar Third edition June 1997 Service Manual 3 16 Level Unit LI Status LEVEL UNIT LI Status Register TI Service 7 Back Exit DYNAMIC DATA LI 1 status LI 2 status LIL 15 V fail _ ura 15 v fail LIL 15 V fail _ ure 15 v fail LIL ground fail L12 ground fail LIL comfail L12 comfail 15 V fail Failure limits 1 V I 3 status I 4 status LI3 15 Y fail LI4 15 fail LI3 15 V fail _ LI4 15 fail LIS ground fail Ej LI4 ground fail LI3 confail L14 comfail b _ Handler DATABASE Unused LI 1 handler 1 LCM 1 LI 2 handler 2 LCM 2 LI 3 handler hese Undo Save Restart LCI after saving LI handler Restart LCI database This window shows the individual status of up to four Trans mitter Interfaces LI This window is useful when you are looking for a ground failure It is easy to detect which Transmitter Interface LI that has ground failure See also chapter 9 1 6 and 9 14 The status boxes show e LI 15V fail and LI 15V fail show if there is any prob lem with the power supply to the LIs If any of these are checked check the Power Block See chapter 9 1 3 e LI ground fail This check
94. loading or discharg ing Status LEVEL UNIT LCI status Register TI Service 7 Back Exit Service Bi z DYNAMIC DATA Wdog reset cnt status Service code LCM status LCI status MTA error Error when sending MTA error LCM1 Sys fail zj gan special service messages to LCM Sweep err LCML Bi Power fail MTA error LCM2 al Ground fail Sweep error LCM is not measuring Sweep err LCM2 Bi LCS fail normally mls Service status Idle 1 Active LCI RAM error 2 Failed 3 Aborted 4 Result LCI boot error F oO Service Code Internal code for O al LCM 1 active LCM 2 active LCI flash error i for special service messages LCI DB error Def DB loaded This window shows the status of the LCI If you suspect that there is some problem with an LCM this window provides some good information The following information is shown in this window Wdog reset cnt This is a counter that counts the num ber of times the watchdog has triggered since the last time the Level Unit was powered on The watchdog is a part of the hardware that triggers a reset if the software gets stuck If it does the watch dog causes the soft ware to restart This indication should normally be very low If there are frequent restarts of the system and this counter shows large values there may be a problem with the LCI Try exchanging it Service status and Service code Both of these values can be used by the Saab
95. lure alartil sur ssesishontnramsamasiads 74 System Failure relay si ccstasacagaisdnctacasanssiars 39 T Tank Ad GECSS eniinn iaaii 21 Tank Display Power Supply Unit 88 Tank Display Unit cctv sscccdtcoestaactcstnsagdens 97 AddressSi g is dapccdevsnnseastandcossranasiaaninsnsanns 87 Replacing iiini aiis 87 Ta k distances Terehia ni 23 Tank n mbefeimnecianniunniaa eiai 21 Tank button oeoc 21 26 28 29 Saab TankRadar Third edition June 1997 Service Manual Temperature Connection BOX 2 75 Temperature Data Window ssss s115 26 Temperature Measurement 0 000 96 Temperature Sensors c 00 s scasseens 75 84 CECI g ararnir 84 Ground Failure oseese 99 Repl cn g s 86 Temperature Sensors escysasiaetndcngnieicasise 11 Test Cablen ar oaa Shodan ale n salaa 22 78 TE PIO We lies sce inca Sherer ds ean menceke 75 Transmitter ccccccceceees 11 61 71 75 96 Transmitter Data window c cceeeeees 20 Transmitter Interface cc ccceeeeeees 61 71 Address nanea ae E R 72 Configurations ssie ain iiaiai 71 Ground Failure ooeec 72 99 Power Supply scutincistaliuetinaiin 72 R placin ganina 73 Transmitter Test Cable 78 TAs n E E Se aes 12 Trim List correction cceeecesscessceeeeeeeeees 66 Trim List Data window c ceeceeeeeeeees 30 Trim List offset sides siusdei steady venceincuadcton teas 30 Trim List Unit Ancecnecccgsrectasiarewenade
96. ly defined If both TX and LCS Simulations give a distance but the TX Failure check box is still marked the reason for fault can be e hardware fault in the Transmitter s Electronic Box e dirty damaged or misaligned antenna e the Electronic Box is not correctly mounted on the antenna feeder or e there are no echoes to find within the defined range If only LCS Simulation produces a distance the reason for fault may be a hardware fault in the Transmitter s Electronic Box or in a Transmitter Interface LI or faulty cabling between Transmitter Transmitter Inter face LCS Board 46 Saab TankRadar Third edition June 1997 Service Manual If not even LCS Simulation gives a distance the reason for fault is likely to be located on the LCS Board 3 26 Level Unit Scan Tank The scan tank function is used when there is a need to view the radar echoes inside the tank This function is used during the commissioning of the system A Saab service engineer will use this window to measure and save a curve of the signal strength throughout the tank The function of the Scan Tank window is not described in this manual since it is not used during normal service of the system The results need to be evaluated by an experienced Saab service engineer 3 27 Level Unit Restart LCI LCM Use this window to restart the LCI or the LCMs Restarting the LCI also causes both the LCM and th
97. m List Unit LT A unit with inclinometers for measuring trim and list is integrated in the Level Unit cabinet These trim and list values are used to support the radar echo detection process that finds the true ullage These values can also be used for ullage correction if there are no better source of trim and list values available The trim an list values are used in the LCM or LCMs to calculate trim list corrected ullages The trim and list values are normally measured by the Trim List Unit in the Level Unit but they can also be measured and calculated using draft sensors or from communication with another system Both the uncorrected and the corrected ullage values are available for presentation on the Work Station Backup Dis play or Local Displays By setting the ullage correction in the Setup window on the Work Station the same correction is presented on all displays The trim list correction can also be set in the T L Mode frame by pressing the System key on the Backup Display s keyboard See Operating Manual 5 8 1 Replacing the Trim List Unit The Trim List Unit is mounted to the back plane inside the Level Unit below the Calculation Unit 1 Switch system off 2 Disconnect the connector from the Calculation Unit s backplane 3 Remove the Trim List Unit 4 Replace with new Trim List Unit Tighten nuts and connect to backplane Note Mechanical adjustment was introduced in October 1995 as a complement to the elect
98. mmunication in I O Box faulty e Try exchanging with another RS 232 board either from the Complete Spare Parts set or if another RS 232 board is used in the I O Box See chapter 4 2 9 1 10 Warning message LevelDatic Communication Failed Communication cables faulty from the I O Box to the LevelDatic equipment e Check cables between LevelDatic and I O Box LevelDatic is not turned on or power supply failing e Turn LevelDatic on or check power supply cables and fuses I O Box failure e See chapter 9 1 5 Duplex setting on the RS 485 board is incorrect e Check setting of jumpers on board see chapter 4 3 RS 485 board for LU communication in I O Box faulty e Try exchanging with another RS 485 board either from the Complete Spare Parts set or from another serial channel in the I O Box However do not remove the RS 485 Board in location Com 4 as you will loose the communication with the Level Unit See chapter 4 3 90 Saab TankRadar Third edition June 1997 Service Manual 9 1 11 Warning message SIOX Communication Failed Communication cables faulty from the I O Box to the SIOX equipment e Check cables between SIOX and I O Box Mains power supply failing to SIOX Mains to box or 24 VDC to each SIOX module e Check power supply cables and fuses I O Box failure e See chapter 9 1 5 Single SIOX module failing e Check LEDs on each SIOX module See chapter 4 4 SIOX Interface Board in I O Box faulty e Try exchanging wit
99. munication I O Box on Work Station See chapter 3 30 The RS 485 Interface Board in location Com 4 in I O Box faulty e Check that LEDs in I O Box are flashing see chapter 4 Interface Board LCI in Level Unit faulty e See chapter 5 7 SysFail message Level Unit Power Failure Power failure to LI e Check status of LIs in Service window Level Unit LI Status See chapter 3 16 e Check fuses in the Power Block LP see chapters 5 11 and 10 SysFail message Level Unit LI Communication Failed Contact fault on cable between Calculation Unit and Transmitter Interface LI e Check status of LIs in Service window Level Unit LI Status See chapter 3 16 e Check cables and connectors inside the Level Unit e Check if LCM is functioning see chapter 9 1 7 e Check setting of switch for addressing of the LI see chapter 5 10 5 Power failure to LI e See chapter 9 1 3 above LI faulty e Replace LI If the system is equipped with more than one LI try exchanging the LIs See chapter 5 10 8 Replacing a Transmitter Interface Check result SysFail message I O Box Communication Failed Mains power supply to I O Box failing e Check that I O Box has power and is running See chapter 4 Communication cables faulty e Open the cover and watch the LEDs on the main board at the bottom of the box See chapter 4 1 e Check communication cables Serial Interface Board in Work Station faulty e Restart the Work Station if more tha
100. n figure 7 3 If the derived temperature R is not equal to the actual temperature replace the Pt 100 element 3 Check the insulation to ground Measure the resistance from each of the leads to the inside of the Temperature Connection Box If any resistance is below 10 MQ replace the Pt 100 element See also chapter 9 14 Resistance Ohm 130 125 120 115 110 105 100 Figure 7 3 Relation Tem between temperature and 0 10 20 30 40 50 60 70 80 cc resistance 84 Saab TankRadar Third edition June 1997 Service Manual 7 2 Replacing a Faulty Temperature Sensor To replace a faulty Pt 100 element proceed as follows 1 Remove the cover of the Temperature Connection Box 2 Loosen the cap nut completely 3 Loosen the adapter nipple using the box spanner from the spare parts set Cap nut 4 Pull out the temperature sensor completely T 5 Insert anew temperature sensor completely If it is not hee i entered completely the cover will not fit Tighten the packing adapter nipple first using the box spanner im 6 Make sure the conical metallic packing is correctly fitted in the cap nut and then tighten the cap nut se H curely Figure 7 4 Saab TankRadar 85 Third edition June 1997 Service Manual 8 Tank Display Unit Option Press to display tank level with one LED point on the bargraph Press again to change back to bargraph mode Hi Hi alarm indication Hi alarm indication
101. n one Work Station restart the Master Work Station by pressing the Reset button See chapter 3 1 Warning message Level Unit Ground Failure Ground Failure on one or more LIs e Read chapter 9 14 for information on how to find the cause of the ground failure Saab TankRadar 89 Third edition June 1997 Service Manual 9 1 7 Warning message Level Unit Memory Failure LCM Board faulty e Restart Level Unit and check Service window LCM Status on Work Station If box DF database loaded is checked memory in LCM Board is not working and LCM Board needs to be replaced See chapter 3 14 and 5 6 1 e In Service window LCI Status check LCM status see chapter 3 15 If LCM is faulty replace LCM board 9 1 8 Warning message Level Unit Restarted This message is shown while the Level Unit is starting up after the power has been switched off and on again or after it has been ordered to restart after downloading software into the LCI or LCM e Wait a few minutes until the Level Unit has started up then accept the warning in the Warning Summary window 9 1 9 Warning message Master Communication Failed Communication cables faulty to the master equipment normally a load calculator connected to the I O Box e Check cables between master and I O Box Master is not turned on or power supply failing e Turn master on or check power supply cables and fuses I O Box failure e See chapter 9 1 5 RS 232 board for master co
102. n the Setup window See Operating Manual Saab TankRadar 97 Third edition June 1997 Service Manual 9 14 98 Finding Cause of Ground Failure Warning When the warning message Level Unit Ground Failure is displayed on the Work Station or when the ground failure LED on a Transmitter Interface in the Level Unit lights up there is a need to find the cause of the ground failure The ground failure could be located in the cables between the Transmitter and Level Unit or between Transmitter and temperature sensors IG pressure sensors extra temperature sensors or Local Display if these options are included It could also be located within the units themselves or in their wire terminals You need a multimeter when searching for a ground failure Follow the steps below to find the cause of the ground fail ure 1 Open the LI Status window in the Service part of the Work Station Software In this window the status of the LI s ComFail GroundFail 15 V and 15V are shown Find the LI that is causing the ground failure Or check ground failure LED on LI to find out which LI is caus ing the ground failure 9 14 1 Ground Failure Transmitter Interface Note Before pulling the connectors out check that they are marked so that they can be replaced correctly 2 On the LI that is causing the ground failure pull out the connectors to the Transmitters one by one Check when ground failure LED goes off to find which t
103. nce between each terminal and ground If the resis tance is larger than 10 MQ the terminal is OK If the resistance is less than 10 MQ try to dry the termi nal as well as spraying it with CRC666 spray or equiva lent de moisturizing spray Saab TankRadar Third edition June 1997 Service Manual 9 15 Comparing Ullages The best reference point for ullage measurement is the ullage plug on the flange of the transmitter housing if the Parabolic Antenna is used When measuring on the Cone Antenna the Waveguide Cone has to be removed See instructions in chapter 6 3 4 Hand dip from the top of the edge of the cone Reduce the hand dipped measure with 555 mm The 555 mm includes the length of the cone and the thickness of the gasket approxi mately 4 mm If separate ullage plugs are used for hand dipping and as reference points the vertical distances A distances between the two ullage plugs are stored in the database of the Work Station and the Level Unit The ullage displayed by TankRa dar is corrected so that it is equal at even keel to the ullage at the separate ullage plug Normally TankRadar makes trim list corrections to the centre of gravity C O G at 98 filled tank C and E dis tances refer to C O G On some ships TankRadar makes trim and list correction to a separate ullage plug TankRadar reference TankRadar reference Point Gasket Approx 4 mm
104. ndow You must make the same changes in both windows At restart of the system both these databases will be set to the same values anyway Set units according to the following Ullage 0 meter and meter hour 1 feet and feet hour Temperature 0 C degrees Celsius 1 F degrees Fahrenheit Pressure 0 mbar millibar 1 PSI pound per square inch Trim list correction 0 Uncorrected ullage is displayed Saab TankRadar Third edition June 1997 Service Manual 1 Correction to the tank s reference point Plug 2 Correction to the tank s center of gravity COG It is also possible to use two sets 1 or 2 of customized units for each parameter These can be scaled from the raw data into the new units using the scale constants A B and C The scaling is done according to the formula data in custom units raw data A B C You can also set the number of decimals to be presented on the displays Saab TankRadar 37 Third edition June 1997 Service Manual 3 18 38 Level Unit LCI Com Ports LEVEL UNIT LCI com ports Register Service 7 Mode Back Exit a eee COM PORT 1 Port 1 protocol Port 1 baud Port 1 databits Port 1 stopbits Port 1 parity 116 COM PORT 2 Port 2 protocol 80 Port 2 baud 19208 bps Port 2 databits __8 bits Port 2 stopbits ___1 bits Port 2 parity 110 Undo Save Communication port 1 is usually used fo
105. oard LCS 1 9150065 541 Power supply LCP 1 9150064 531 Interface Board LCI 1 6853489 388 Torx screw driver for LI amp LP unit disassembly 1 9150020 036 Rubber gasket top cover TAP TX 4x 378 mm TAP ONLY 1 6853488 852 O ring 54 5 x 3 0 Floursil TAC ONLY 1 6853489 438 O ring 329 6 x 6 99 Nitrile TAC ONLY 1 Note Contents subject to change without prior notice Saab TankRadar 103 Third edition June 1997 Service Manual 104 Recycling of Saab TankRadar At a point in time when your TankRadar system has served you well for many years and it is time to scrap the ship we at Saab Marine Electronics are more than willing to help you with the recycling of the TankRadar system At our factory we are able to sort out the various parts of the system that are possible to recycle Saab Marine Electronics will see to it that your TankRadar system does not burden our environment when the ship is scrapped We would very much appreciate if you would contact us when a decision has been taken to scrap the ship We will take appropriate measures to be able to remove and trans port the TankRadar system to our factory for recycling We thank you in advance for your kind assistance in helping us care for the environment in the world we live in Please contact Saab Marine Electronics AB Marine Service Department Gamlestadsvagen 18 B Box 13045 402 51 G teborg Sweden Telephone 46 31 37 00 00 Fax 46 31 25 30 22 Telex 21652 saabra s
106. ollow the instructions below 1 Saab TankRadar Third edition June 1997 Remove the Work Station from its ruggedizing kit For opening the Work Station PC follow the instructions in the maker s manual Hewlett Packard enclosed in the Saab TankRadar G3 manual binder Remove the faulty board s connectors at the back of the Work Station Remove the faulty board In some cases it might be necessary to remove more than one board to reach the faulty board Replace it with a new board Connect cables to the boards If you are replacing a Network Board make a note of the ethernet address printed on it Mount cover of the Work Station Mount the Work Station on its ruggedizing kit and connect monitor and other peripheral units If you have replaced a Network Board open the Work Stations window in the Configure part of the Work Station software Enter the ethernet address of the new board Restart the Work Station by pressing the Reset button on the front Service Manual 3 5 3 6 Screen Settings of the Work Station Monitor There are a number of controls below the monitor s screen Whenever the picture on the screen looks distorted or incor rect changing the screen settings may produce a better pic ture See maker s manual Hewlett Packard in the Saab TankRa dar G3 manual binder for information on the monitor con trols Loading Software to a Work Station Follow the instructions below to install new so
107. or or connectors if more than one LI is used 4 Loosen the four nuts and remove the LI 5 10 9 Replacing a LIZ ora LIA To open the LI a TORX screwdriver is required This screw driver can be found in the Complete Spare Part set or it is included together with the spare LIZ or LIA 1 Remove the LI according to steps 1 4 in chapter 5 10 8 above 2 Look for an Open here arrow on the front of the LI and remove that end wall 3 Slide the boards out a little bit so that you can remove the connector to the board you need to replace Slide it out carefully 4 Carefully slide the new board into the LI Mount the end wall 5 Ifit was an LIA that was replaced set the address switches to same positions as on the one you replaced 6 Mount the LI according to the instructions in chapter 5 10 10 Saab TankRadar Third edition June 1997 5 11 Power Block Power outlet RS 232 connection for Service PC Figure 5 12 shows the Power Block Service Manual 5 10 10 Replacing a Transmitter Interface LI 1 If it is a completely new LI set address switch on the new LI to same positions as on the replaced LI See also chapter 5 10 5 Mark up the connectors on the new LI in the same way as the replaced LI Mount the new LI and tighten the four nuts 3 Fit connectors for Transmitters power and flat cable N The Power Block powers the Level Unit and the intrinsically safe equipment on deck The Power Bloc
108. or data Register 7 Service Mode Back Exit Tank T Number 1 xja Name CT 1 al TX comfail Sensor 4 6 C 16 Ej Sensor 4 fail mf Sensor 4 valid Sensor 5 6 C 16 Bj Sensor 5 fail _ Sensor 5 valid Def ined sens range type Not connected 6 166 C 4 uvire 4 uire 3 wire Sensor 4 type 6 Sensor 5 type 6 58 250 C 3 wire Sensor 4 offset 6 C 1 Sensor 5 offset C 18 Restart TX when sensor Restart TX Undo Save type has been changed The Extra Sensor Data window shows the dynamic data and the database values for the two extra temperature sensors that can be connected to each transmitter Select a new tank by hitting the Tank button or by hitting the up or down arrow keys The dynamic data box shows e Sensor 4 and 5 The temperature measured by the sensors are displayed in 1 10 of degrees The following status are shown e TX comfail indicates that the transmitter is not commu nicating This produces an alarm on the alarm row e Sensor 4 or 5 fail The temperature sensor has failed when its box is checked This status will also be shown as an alarm The following database data are shown and can be changed e Sensor 4 and 5 type This value shows if it is a three wire or four wire type sensor that is used The tempera ture range is also defined by this value The following values can be shown e 0 No connected temperature sensor e 1 Four wire sensor Temperature range 0 to 100 C
109. p ter 3 2 1 above 3 Remove all optional boards normally the Serial Inter face Board and the Network Board and place them in the new Work Station or Slave Work Station Make a note of the ethernet address printed on the Network Board 4 Replace the covers and replace the monitor Saab TankRadar Third edition June 1997 D 2 Service Manual Connect all connectors that were previously connected to the master to the new master Work Station Start the new master Work Station Install program according to the instructions in chapter 3 6 During the installation select this Work Station as the master Install database according instructions in chapter 3 32 Restart the Work Station by pressing the Reset button on the front If you have made a slave Work Station become a master follow the steps below to configure it as a master Work Sta tion 10 Open the Work Stations window in the Configure part of the Work Station software Make a note of the ethernet addresses 11 Exchange the ethernet addresses between the master and the slave Work Stations Check that the address corresponds with the note you made in step 3 above 12 Restart the Work Station by pressing the Reset button on the front 3 4 Replacing a Board in the Work Station There are one or more boards such as Light Pen Interface Board Serial Interface Board Network Board placed in the Work Station If you need to replace any of these boards f
110. pplied by Saab Marine Electronics placed in hazardous areas is also intrin sically safe and meets the requirements of all the major clas sification societies Intrinsic safety is based on the principle of restricting electri cal energy available in hazardous area circuits so that any sparks or hot surfaces that may occur as a result of electrical faults in components are too weak to cause ignition To accomplish this zener diodes and current limiting resistors in the Level Unit restrict the maximum voltages and currents into the Transmitters Intrinsic safety is the only technique accepted for Zone 0 hazardous areas It is also safe for the crew or the service personnel and it allows the equipment to be maintained while the ship is in operation IMPORTANT For trouble shooting and repair work of intrinsically safe equipment or associated equipment the following rules need to be strictly followed Working permit a Use only original spare parts from Saab Marine Elec tronics Any replacement with non recognized spare parts will jeopardize the intrinsic safety Saab TankRadar 13 Third edition June 1997 Service Manual E Use only a certified battery operated multimeter Disconnection of live units in hazardous area is al lowed However when replacing for example an Flec tronic Box it is recommended to disconnect its wiring in the safe area in the Level Unit 14 Saab TankRadar Third edition June 1997
111. r the communica tion with the Work Station and port 2 is used for a Service PC If there is any problem with the communication between the Level Unit and the Work Station check that the values are Protocol 0 Baud 19200 bps Databits 8 bits Stopbits 1 bit Parity 110 where 110 none 111 odd and 101 even Check also the Serial Communication window in the con figuration part of the Work Station software for communica tion settings for the Work Station s serial port to the Level Unit Note The information in this window should normally not be changed Once the system has been commissioned the communica tion parameters have been checked and the communication has been established there is no need to change this parameters Note If there is no contact between the LCI and the Work Station check the setting of the LCI com ports on the Backup Display on the Level Unit See the Operating Manual for information about the Backup Display Saab TankRadar Third edition June 1997 Service Manual 3 19 Level Unit Relays LEVEL UNIT Relays Register 7 Service Mode Backi Exit Relay status The System Failure and Power B Sysfail Failure relays are normally on while the others are normally off See installation drawing for how to connect the relays Power fail Ext press alarm AUX 1 AUX 2 AUX 1 relay 4 Auxi and Aux2 can only be set AUX 2 relay a Undo Save manually Off
112. ransmitter that is causing the ground failure 9 14 2 Ground Failure Transmitter Cable 3 Check the cable between Transmitter and Transmitter Interface in the Level Unit following the steps in chap ter 9 14 8 below 9 14 3 Ground Failure Temperature Sensors 4 Check both temperature sensors and cable to tempera ture sensor by removing the wires to the temperature sensors from the terminal in the transmitter housing 5 Hold the wires together so that they are in contact with each other and measure the resistance to ground If the resistance is larger than 10 MQ go to step 10 below 6 Check the cable between the Transmitter and the wire terminal of the temperature sensors following the steps in chapter 9 14 8 below Saab TankRadar Third edition June 1997 Service Manual If there is no ground failure on the cable between the Transmitter and the temperature wire terminal you need to check each individual temperature sensor Remove the wires to the temperature sensor from the terminal inside the Temperature Connection Box Measure the resistance between each wire and ground to find which temperature sensor is causing the ground failure Replace troubling temperature sensor with a new spare sensor ordered from Saab Marine Electronics or any of the service agents see list of agents in chapter 12 9 14 4 Ground Failure IG Pressure Sensor 10 11 12 Remove the wires of the cable to the IG pressure sensor
113. rd edition June 1997 Service Manual 3 20 Level Unit Work Station Communication LEVEL UNIT WorkStation Communication Register Service Ti Mode Back Exit Number of transactions Communication load Number of no responses 33 66 Number of checksum errors Number of hardware errors Reset counters This window shows the load on the communication between the Work Station and the Level Unit It also shows if the communication is working by counting the number of trans actions and responses You can reset these counters by hitting the Reset counters button Note If there is no communication at all the pointer instrument will show 100 load The pointer instrument measures the free capacity on the communication Consequently if there is no com munication there will be no free capacity 40 Saab TankRadar Third edition June 1997 Service Manual 3 21 Level Unit Any Register LEVEL UNIT Any register Register T Service 7 Back Exit LCI input DECIMAL Read LCI database HE LCM input LCM database From register Number of regs 7166 4 16 x4 Register value Prio scheme Number of tanks Fail sweep brk Ww Se S oe 8 o l l Oe In this window you can view any of the registers in the LCMs or the LCI There are two types of registers the dy namic registers and the database registers There are four buttons to select LCI or LCM and to select dynamic or data base registers H
114. ressure Sensor ceeee 81 6 5 Dismounting of Antenna Feeder of the Parabolic Antenna 82 Glos Di ass mbly sities piini aaan Sean nederatn Wei EE a nana 82 65922 REASSEIMDIY easianiecdindnrcs Biaaient ia EA E 82 7 Temperature Sensors Option cccccccccccscsscsscscccsssssccsccscscees 83 7 1 Checking a Temperature Sensor cccrccsccscsssescessssseesessscssssssssess 83 7 2 Replacing a Faulty Temperature Sensor sssssssssssssessscscssscssess 85 8 Tank Display Unit Option cccccccesssees pad dddaageeddasaentecnssses 86 8 1 Replacing a Tank Display Uniit cccccssscsssssssssccsscscssscsssrscceees 86 8 2 Checking the Tank Display Power Supply Unit sscccsssssssseeeees 87 6 Saab TankRadar Third edition June 1997 Service Manual 9 Fault Finding on the Saab TankRadar System scccscceees 88 Abbreviations used in the fault finding chart 0 0 eens 88 9 1 SysFail and Warning Messages Shown on the Work Station 88 9 1 1 SysFail message Level Unit SysFail satis iiawsasia mewn 88 9 1 2 SysFail message Level Unit Communication Failed 88 9 1 3 SysFail message Level Unit Power Failure 0 0 0 0 89 9 1 4 SysFail message Level Unit LI Communication Failed 89 9 1 5 SysFail message I O Box Communication Failed 89 9 1 6 Warning message Level Unit Ground Failure 0 0
115. ronics adjustment Preset the Trim List Unit using the adjustment screws on the mounting plate 5 Adjust the Trim List Unit according to the instructions below Saab TankRadar 65 Third edition June 1997 Service Manual Figure 5 6 Trim and list definitions 5 8 2 Adjusting the Trim List Unit 1 Measure the trim and list angles of the ship A ship s trim is the difference between the draft forward and draft aft The trim angle is defined as B in the figure D z D tan B L where D draft aft D draft fore L Length between scales Note Aft trim is positive and forward trim is negative The list angle can be established by hand dipping towards the water surface from port and starboard rails The list angle is calculated by hy h tan w where h port dipping distance h starboard dipping distance w ship s width at the dipping point Note For Saab TankRadar the list angle is considered positive for port list conversely it is negative for starboard list Positive trim Positive list 66 Saab TankRadar Third edition June 1997 Service Manual 2 Switch the Level Unit on and read the trim and list values on the Backup Display Press the System key and select 1 TrimList to see the values from source se lected in Configure Calculate Shipdata Check trim and list values on a Work Station as well 3 The Trim List Unit can be adj
116. rs measure the distance to the product surface using a continuous radar signal The Transmitters have an Electronic Box that generates and processes the radar signal There are two types of Transmitters one standard type with a high performance Parabolic Antenna and another with a Cone Antenna Optional equipment for each tank such as temperature sensors inert gas pressure sensor or the Local Display is connected to a wire terminal inside the transmitter housing The inert gas pressure sensor is placed inside the transmitter housing The Local Display can display ullage average tem perature and inert gas pressure of the tanks Saab TankRadar lI Third edition June 1997 Service Manual Radar Principle The radar transmitter on top of the tank emits microwaves directed by an antenna towards the surface of the tank con tent The echo from the surface is picked up by the antenna again and the difference in frequency between the transmit ted and the reflected signal is directly proportional to the measured distance i e the ullage indication The radar waves are not affected by the atmosphere inside the tank aggressive chemicals thick sticky liquids or any other tank media can be measured without restrictions The ideal condition for ullage measurement is a stable cargo surface perpendicular to the radar beam Trim or list foam and waves on the cargo surface and bottom sludge weakens the radar echo However the radar ec
117. ry and clean before replacing the cover Encased water or damp cause corrosion of the terminal block and wire leads causing contact fault Wipe with a clean and dry cloth if necessary Follow the steps below when removing the Electronic Box 1 Parabolic Antenna Open the transmitter housing by removing the eight bolts for the cover Cone Antenna Open the transmitter housing by loos ening and removing the large clamp ring around the rim of the cover Loosen the strap and lift the Electronic Box straight up Be careful not to touch or damage the top Teflon part of the Antenna Feeder Place the Electronic Box upside down If the wires to the wire terminal have not previously been marked mark them before removing them Re move the wires from the terminal If system is switched on avoid short circuiting the wires Connect the wires to the new Electronic Box Mount the Electronic Box See to it that the pin on the Electronic Box fits into the groove on the antenna feeder Tighten the strap so the Electronic Box cannot move Parabolic Antenna Check that the space inside the transmitter housing is clean and dry before replacing it Make sure the rubber gasket for the transmitter cover is correctly placed and tighten the bolts cross wise Cone Antenna Check the O ring and its groove are clean and dry Check that the space inside the transmit ter housing is clean and dry before replacing it Tighten the clamp ring Saab TankRadar
118. s activated by System Failures from both the Level Unit and the Work Station while the System Failure relay in the Power Block is activated only by System Failures within the Level Unit 4 1 5 Power Setting On the motherboard there is a switch for selecting the power as either 230 VAC or as 115 VAC 4 2 RS 232 Interface Board The RS 232 Interface Board is used to connect equipment with RS 232 communication to the I O Box The Interface Board provides galvanic separation of the signals to the Work Station No conversion of the RS 232 signals is made The Interface Board has a green LED for indication of re ceived signals and a yellow LED for transmitted signals 4 3 RS 485 Interface Board The RS 485 Interface Board is used for connecting equipment with RS 485 communication to the I O Box The Interface Board converts the signal from RS 232 to RS 485 and back to RS 232 as well as providing galvanic isolation The RS 485 Interface Board can be set in two different modes half duplex or full duplex by setting jumpers on the board The jumpers also control the 485 bus end termination The default setting of a spare board is half duplex and end termi nated The jumper settings are Saab TankRadar 57 Third edition June 1997 Service Manual 4 4 4 5 58 Half duplex two wire transmission 1 S4 1 2 Full duplex four wire transmission z 1 S4 2 3 The connection of the Level Unit and LevelDatic system requires half
119. sing the adjustment scales 5 The clamp ring nuts are tightened to different torques depending on which type color of gasket is used under the clamp ring Tighten the nuts to the following torque e Brown gylon gasket 75 Nm e Blue gylon gasket 45 Nm e White gylon gasket 75 Nm Tighten the clamp ring nuts in a uniform crosswise Saab TankRadar Third edition June 1997 Service Manual pattern with a dynamometric wrench Then check the antenna feeder position once again Readjust if neces sary The gasket settles down so tighten the nuts to the torque shown above again after two hours 6 Install the Electronic Box Note Before replacing the transmitter cover make sure the interior of transmitter housing is completely dry and clean Encased water or damp cause corrosion of the terminal block and wire leads caus ing contact fault Wipe with a clean and dry cloth if necessary 7 Temperature Sensors Option The Pt 100 temperature sensors are optional equipment installed separately in a sealed pipe submerged in the tank Up to three temperature sensors are used to measure the cargo temperature The sensors are connected to a wire terminal inside the Tem perature Connection Box From this wire terminal there is a cable to the wire terminal in the transmitter housing If there is an ERROR status on one or more temperature sensors these may need to be replaced
120. ssesoesesesssssscocoeoseeesesssosscososeesesssesssoesosse 57 4 4 SIOX Interface Board sssssssssossoseesessesesosooecosoesesesossosooeoseossesesesssssosee 58 4 5 PRS Interface Board ssssssssssessessssscoosoeoseeseesssosooeseeessesesesoosooeeseesseeseeeo 58 5 Lbeyel Unit isi ssissscinsitanmcossnseasasadaadaceesecesedassdessvessanccdeusaasapessteradectanwsenetes 59 5 1 Description of the Level Unit sccccsssssssssecsssssssscrsessssescosssssonses 59 5 2 Information Flow within the Level Unit ssssssscssssssssssssssesees 60 5 3 Restarting the Level Unit ccccccccsscccssecessscscccrssssssssssssssssssssssseses 6l 5 4 Description of the Calculation Unit sssssssessesesssoseooeosoesesssesssseoeese 6l 5 5 Signal Board LOS nissssscosssssssssssssosssssisosssosossgssossssssseossooessosssoessso ss ssesas 62 J91 Replaans a iC oeii ks aiiet aaa eieae a aa aa paaa EA 62 5 6 Processor Memory Board LCM sssssssssesesssssscseseseseseseseseseoeoeseseseo 62 56L Replaane the LEM mrcsreriarinirecannnaenia ni en aa 62 5 7 Interface Board LCI seesssseesseecseececccecccsecsscecoceoeccoseccseesseesseesecooeeceeees 63 5 7 1 Troubleshooting the TC ai salticeinesguetes ads ndeisateievonaaienise 63 5 7 2 Replacing th Ch isis stiaiay aesendelcoeeuniatevartsdananinneinaaleonmamandans 64 5 8 Trim List Unit ILD 3 cscasesscdasssscecsicessscdsscsesedecsovcesccsessessenssdevevesvovecevecsesuseus 65 5
121. t Figure 3 2 shows the Service menu and sub menu Saab TankRadar 19 Third edition June 1997 Service Manual Undo and Save Any data that is changed in these windows is stored according to the settings in the destination part of the Level Unit window described below The Undo button will change an entry but only if it has not been saved Once you press the Save button you cannot undo the entry unless you enter the previous value and press save again 3 8 Level Unit Version Summary and Database Status This window shows the version and status of the databases and programs in the LCI and LCMs You can also see if one or two LCMs are used There are status boxes for the different programs as well as the dates for the last changes of the database in the Level Unit This information can be useful if you need to contact Saab Marine Electronics or one of the service agents 3 9 Level Unit Transmitter Data Window Level Unit Register Tank Data Transmitter LEVEL UNIT Version summary and database status Register TI Service 7 Back Exit ee LU DATABASE Date of Current Required Checksum last change a a Workstation 976467 68 11 LCI 9780487 88 11 Ba LCM 1 970407 88 11 3 B8 2 1BCFDC Status OK LU PROGRAM Current Required version version LCI 3 B8 2 3 B8 m 1 B gt 3 88 z Status OK Suggested action The Transmitter Data window shows th
122. t be followed by hitting the Save button 3 14 Level Unit LCM and 2 Status LEVEL UNIT LCM 1 status Register T Service Ti Backi Exit DYNAMIC DATA LCM sys status LCM mode Boot 1 Resting LCH mode 2 _J Def 0B loaded AED Test running 14949 mm Test running OK if 14949 16 mm Sweep counter 4799 Schedule status Normal Schedule status 6 aca SETS 1 Timesharing 2 One tank Service status 4 LCM RAM error Service code 48 LCM FLASH error LCS status 8 _ LCM EEPROM err _ LCM EXTRAM err Service Code Internal code for for special service messages Service status Idle 1 Active 2 Failed 3 Aborted 4 Result DATABASE LCS status Test OK 1 Test fail Prio scheme G 0ff 1 0n Undo Save Prio scheme Priority based tank scheduling Use these windows to check the status of the Processor Memory Board LCM As there can be one or two LCM there are two windows LCM 1 Status and LCM 2 Status To check if there is one or two LCM in the system see the window LCI LCM Version see chapter 3 22 If there are two LCM in the system check LCM mode to find out which one is active The active LCM is also shown in the LCI Status window described below See chapter 5 4 for more information on when to use one or two LCM and LCS The dynamic data box shows e LCM Mode Mode 0 is shown when the board is run ning the boot software 1 is shown when it is resting waiting for the LCI
123. tain any Calculation Unit since the signals from it are processed in the main Level Unit Calculation Unit Transmitter Interfaces Power Block Figure 5 1 Level Unit Saab TankRadar 59 Third edition June 1997 Service Manual 5 2 Information Flow within the Level Unit The signals from a Transmitter enter the Level Unit into a Transmitter Interface LI where they pass the zener barriers and go on to the Signal Board LCS The components on the Signal Board amplify and process the signals The signals are converted to digital form by the Signal Board and are sent to the Processor Memory Board LCM where the signals are digitally processed The Interface Board LCI handles the communication between the Level Unit and the Work Sta tion the Backup Display the I O Box and a Service PC if one is connected Work Station ws le I O Box LU f p Hnit LCS j LCM LCI bg LCB Signal Board Processor Memory Interface Board Backup Display Transmitter Interface Power Block Transmitter Figure 5 2 shows the information flow in the Saab TankRadar system 60 Saab TankRadar Third edition June 1997 Service Manual 5 3 Restarting the Level Unit 1 Check with officer in charge that it is OK to restart the system A restart means there may be no information for a few minutes Open the front door of
124. tatic discharge do not touch the components or the pins in the connector at the back of the board 1 Switch the power off before starting this operation 2 Remove the two screws on the front panel of the board 3 Push the knob down to loosen the connector at the back of the board See figure 5 4 4 Enter the new LCS gently into the slots and push it slightly so that it becomes flush with the other boards 5 Tighten the two screws Switch system on again 5 6 Processor Memory Board LCM 62 The Processor Memory Board processes the A D converted signals from the Signal Board and calculates ullages tem peratures and IG pressures for all tanks The Processor Memory Board contains a processor flash memory database memory etc It has inputs for ground failure alarm from the Transmitter Interface Each Processor Memory board can handle up to 60 Transmitters 5 6 1 Replacing the LCM Note In order to avoid ESD damages electrostatic discharge do not touch the components or the pins in the connector at the back of the board 1 Switch the power off before starting this operation 2 Remove the two screws on the front panel of the board 3 Push the knob down to loosen the connector at the back of the board See figure 5 4 4 Enter the new LCM gently into the slots and push it slightly so that it becomes flush with the other boards 5 Tighten the two screws Switch system on again 6 Check that the correct sof
125. tation is starting up e Wait approximately one minute to allow the Master Work Station to start up Saab TankRadar 9i Third edition June 1997 Service Manual If there are more Slave Work Stations check for any messages on these e If only one slave Work Station has the message NO CONTACT WITH MASTER WORK STATION concentrate your fault finding on this Work Station e If all Slave Work Stations have the message displayed check Master Work Station the network cables or the Network Board in the Master Work Station If Master Work Station is turned on and running without any problems e Check cables between the Master and Slave Work Station e Check Network Board in both Slave and Master Work Station 9 3 Channels with status CFAIL ERROR or INVAL 9 3 1 CFAIL status on one Transmitter Cables from Level Unit to Transmitter faulty e Disconnect Transmitter cables at Transmitter Interface LI in Level Unit and check cables to Transmitter e Interchange connectors of failing Transmitter with one that is OK Watch these two channels on Work Station If failing Transmitter becomes OK find a spare connection on LIZ Connect the Transmitter and configure to new address using Transmitter Data window in the service part of the Work Station software LIZ board in LI may be faulty e If there are two LIs in the Level Unit try exchanging them to find out if it is broken See chapter 5 10 8 for information on how to change an LI
126. the Service Manual for Saab TankRadar MaC for information related to the control system s Substa tion and Redundancy Switch Box Information on how to operate the Saab TankRadar system If you need information about the operation of the Work Station or the Backup Display of the Level Unit read the Operating Manual included in the As built drawings and user s manual binder Information about technical data of the Saab TankRadar system If you need to look at the technical specifications of the Saab TankRadar system please read the Technical Description included in the As built drawings and user s manual binder 2 Saab TankRadar Third edition June 1997 Service Manual Overview of Contents Guide to this manual syuscassssssccccensesessssssascnenvsovenysscancabaasdvecssnsesesvenenneedwnsss 2 General Description of Saab TankRadar sssessesossssssesessososssee 10 2 General Information sssseeesssosssseseesosososseseocosososssseseeoooossseseeseeoo 13 3 MWOPICSCACION sascssssssissiscccaciwecessdsassveneaavecasvessiucassseannevecssnesnsteaveseanesass 15 Be WD BOX AA TTE E A 55 5 Level AE ascii ccstvnasnnssdsauscssiceus snes sesccavacnsucstecscessnesesnsndenserceavassnneveoess 59 6 TE ARISUCCERS sascsnssnsadssissssssncsdisvasbdecoondannebebnsssguaadasoaavanpenenpessevedwenssene 74 7 Temperature Sensors Option ccccccccccsccsscsccccccssssccsscsccsees 83 8 Tank Display Unit Option
127. tuaier 66 Replacing onsen niian dsc aina 66 TX Service WindOW seeeceesereeesrereesrrrrsseee 46 U Ullage Trim list COTreCtiON ceeceeeeeeseeeeeeeees 66 Undo button ccccccsnscsssssscceosssseeessssesnarsoesanarns 20 Unit Frame aaa a a aain 69 Units Setting on Backup Display 69 Units Setting irinse 36 Up Download Database eee 45 W Warning Messages sctacintcoacecsmustnicerscndions 89 Watch Dog TLE nnani 95 Waves aeniei AA E E E a 12 Work Station eenaa na iasan 11 Load software ssseesceeeeseeeeeserreerrereesreee 18 NetWork nenir ntanna eei aN 15 Remove COVED sseessssessessessserrereseseeserereeses 16 Replace hard disk rccesssansiatisctestigtisiass 16 109 Service Manual Replacing siistiin teiras 16 Replacing a board Gicieitenacionecn 17 OCreern SetUNgS udii ia 18 Service software essesseserseeseerresrrressee 19 Sysfail and Warning Messages 89 Work Station Communication window 40 Work Station screen ccccccccceeseseeseeeseees 94 Z Zener Barrier Board eee 71 73 Zero Pressure Calibration cccecee 82 110 Saab TankRadar Third edition June 1997
128. tware version is used on the LCM If in doubt contact Saab Marine Electronics 7 Download the database from the Work Station to the new LCM See chapter 3 24 Saab TankRadar Third edition June 1997 Service Manual 5 7 Interface Board LCI Figure 5 5 LEDs on the Interface Board The Interface Board works as an interface between the Pro cessor Memory Board and the Work Station It also supports the Backup Display with its keyboard If a service PC is connected it communicates via this board The Interface Board has five LEDs on the front panel The first LED from the top indicates the transmitted communica tion with the Work Station normally through the RS 485 Interface Board in the I O Box position Com 4 The second LED indicates the received signals from the Work Station In a similar way the third and fourth LEDs show the communi cation with a service PC if one is connected to the spare RS 232 port on the Level Unit The fifth LED shows if the watch dog has been triggered since the LU was last restarted Send to Work Station Receive from Work Station Send to Service PC Receive from Service PC Watch Dog 5 7 1 Troubleshooting the LCI The LEDs are useful when troubleshooting the system If the top LED LCI transmit is flashing the LCI is probably OK See fault finding chapter 9 1 1 If the top LED LCI transmit is not flashing while the second LED from top LCI receive is flashing or if non
129. ues for the IG pressure measurement Select a new tank by hitting the Tank button or by hitting the up or down arrow keys The dynamic data box shows e Pressure The measured pressure The status boxes show e TX comfail indicates that the transmitter is not commu nicating This produces an alarm on the alarm row e Press sens fail The sensor is faulty This status will also be shown as an alarm e Press sens valid This box is checked when the mea surement is working well Ext press alarm The extreme pressure alarm status is an alarm for rapid detection of changes in the IG pres sure The alarm handling is done in the Transmitter and the alarm can therefore be displayed to the opera tor instantly The database box shows e Press sens type The type of sensor can be set as 0 for not connected sensor 9 for 500 mbar type sensor e Pressure offset The offset correction that has been programmed for the sensor The pressure offset is pro grammed by pressing the Service button in the Level Unit window see chapter 3 28 and 6 4 e Ext alarm low and Ext alarm high Set the high and low alarm limits of the extreme pressure alarm Any changes of the database values must be followed by hitting the Save button as well as restarting the transmitter by hitting the Restart TX button 28 Saab TankRadar Third edition June 1997 Service Manual 3 12 Level Unit Extra Sensor Data LEVEL UNIT Extra sens
130. usted in two different directions To adjust it sideways loosen the bottom locking nut and swing it sideways To adjust it towards the back of the Level Unit or away from it loosen the locking nut on the bracket and adjust the angle by turning the adjusting nut and or the locking nut The displayed value must correspond to the ships trim and list within 0 2 4 When the mechanical adjustment is finished make sure that the adjustment nut touches the bracket and that the locking nut is tightened 5 On the Work Station do the fine calibration of the offset of trim and list in the Trim List Data window Back of the Level Unit e Trim List Unit Locking nut Adjustment nut Figure 5 7 Trim List Unit Saab TankRadar 67 Third edition June 1997 Service Manual 5 9 Backup Display LCB 1 2 3 ENTER CLEAR Figure 5 8 shows the Backup Display with its keyboard Figure 5 9 shows the key sequence of the service password 68 The Backup Display serves only as a backup for the Work Station for displaying the measured values and contents of the memory registers in the Transmitters Processor Memory Board and the Interface Board The display can show each tank with its tank name and relevant tank values The display can also show other status in the Level Unit Except for the extreme pressure alarm alarms are not shown on the Backup Display Most of the operation of the Backup Display is

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