Saab G3 Uživatelský manuál

Third editionCopyright © June 1997Saab Marine Electronics AB™ServiceManual

10Service ManualThird edition, June 19971 General Description of Saab TankRadarSaab TankRadar is made up mainly by the following parts:• Transmitters•

100Service ManualThird edition, June 199717. If the resistance measured in step 16 is less than 10 MΩ,check the cable between the Transmitter and the

101Service ManualThird edition, June 1997TankRadarreferencepointTankRadarreferencepointCenter of theTransmitterdeck socket555mmTankRadarReferencePoint

102Service ManualThird edition, June 1997There are three different ways in which the TankRadar can beconfigured as far as hand dipping and trim/list c

103Service ManualThird edition, June 199710 Spare Parts10.1 Standard Spare Parts Set, 9150065-981Part no. Spare Part Quantity9150065-615 Transmitter t

104Service ManualThird edition, June 199711 Recycling of Saab TankRadarAt a point in time when your TankRadar system has servedyou well for many years

105Service ManualThird edition, June 199712 Saab Marine Service AgentsAustraliaNovaMarine Instruments Pty. Ltd.Tel +61-49-69 44 77Fax +61-49-62 12 10B

106Service ManualThird edition, June 1997SpainAries Industrial y Naval S ATel +34-1-533 92 00Fax +34-1-554 95 94SwedenSaab Marine Electronics ABTel +4

107Service ManualThird edition, June 1997IndexAA/D converter... 63AddressTransmitter Interface ...

108Service ManualThird edition, June 1997Ground Failure ... 100Replacing ...

109Service ManualThird edition, June 1997Registers, viewing... 41Relays ...

11Service ManualThird edition, June 1997The Saab TankRadar system is the main part of the SaabCargo Control system which includes the following option

110Service ManualThird edition, June 1997Replacing ... 16Replacing a board ...

12Service ManualThird edition, June 19971.1 Radar PrincipleThe radar transmitter on top of the tank emits microwavesdirected by an antenna towards the

13Service ManualThird edition, June 19972 General InformationNote: If TankRadar system needs to be switched off, check withofficer in charge that it i

14Service ManualThird edition, June 1997- Use only a certified battery operated multimeter.- Disconnection of live units in hazardous area is al-lowed

15Service ManualThird edition, June 19973 Work StationFigure 3-1 shows the Work Station.The Work Station is operated with a light pen. With the lightp

16Service ManualThird edition, June 19973.1 Description of the Work Station’s CabinetCaution: Always turn the Work Station PC off before removingany c

17Service ManualThird edition, June 19975. Connect all connectors (that were previously connectedto the master) to the new master Work Station.6. Star

18Service ManualThird edition, June 19973.5 Screen Settings of the Work Station MonitorThere are a number of controls below the monitor’s screen.Whene

19Service ManualThird edition, June 19973.7 The Service Windows of the Work Station SoftwareA number of the actions in the fault finding section at th

2Service ManualThird edition, June 1997The contents, descriptions and specifications within thismanual are subject to change without notice. Saab Mari

20Service ManualThird edition, June 1997Undo and Save. Any data that is changed in these windowsis stored according to the settings in the destination

21Service ManualThird edition, June 1997Note: When setting the Level Unit into one-tank measurementmode, there is no measurement on the other tanks.Se

22Service ManualThird edition, June 1997• Distance is the distance from a separate ullage plug,included, to the surface of the product in the tank. It

23Service ManualThird edition, June 1997• TX ID switch on is checked when the button on theService Display is pressed or when positions 4 and 30on WT5

24Service ManualThird edition, June 1997• The A- and B-distances are explained in the InstallationManual.• The Beam 1-4 distances are used to filter o

25Service ManualThird edition, June 1997reference point. There is no need to enter a value here ifTX type is selected as 1 or 2.• The Local Display Mo

26Service ManualThird edition, June 19973.10 Level Unit – Temperature DataThe Temperature Data-window shows the dynamic data andthe database values fo

27Service ManualThird edition, June 1997• Temp 1, 2 or 3 in liq. This box is checked when thistemperature sensor is immersed in the liquid, when ithas

28Service ManualThird edition, June 19973.11 Level Unit – IG Pressure DataThe IG Pressure Data-window shows the dynamic data andthe database values fo

29Service ManualThird edition, June 19973.12 Level Unit – Extra Sensor DataThe Extra Sensor Data-window shows the dynamic data andthe database values

3Service ManualThird edition, June 1997Overview of ContentsGuide to this manual ...

30Service ManualThird edition, June 19973.13 Level Unit – Trim/List DataThe Trim/List Data-window shows the measured trim andlist angles. They are dis

31Service ManualThird edition, June 1997• LU Orient. This shows in which direction the LevelUnit cabinet has been placed on board.0 - front of LU face

32Service ManualThird edition, June 1997• Test running. The LCM asks the LCS for a test signalwhich is processed and compared with an expected testres

33Service ManualThird edition, June 1997moving surfaces are measured more often. This func-tion can be useful if there are many tanks, and some ofthem

34Service ManualThird edition, June 1997• Sweep err LCM 1 or 2. This is an indication that theLCM is not measuring normally. The sweep counter onthe L

35Service ManualThird edition, June 19973.16 Level Unit – LI StatusThis window shows the individual status of up to four Trans-mitter Interfaces (LI).

36Service ManualThird edition, June 19973.17 Level Unit – Backup and Local DisplayThis window is used only when special units and specialscalings have

37Service ManualThird edition, June 19971 = Correction to the tank’s reference point (Plug)2 = Correction to the tank’s center of gravity (COG)It is a

38Service ManualThird edition, June 19973.18 Level Unit – LCI Com PortsCommunication port 1 is usually used for the communica-tion with the Work Stati

39Service ManualThird edition, June 19973.19 Level Unit – RelaysIn the status box in this window the status of the relays in thePower Block of the Lev

4Service ManualThird edition, June 1997Complete Table of ContentsGuide to this manual ...

40Service ManualThird edition, June 19973.20 Level Unit – Work Station CommunicationThis window shows the load on the communication betweenthe Work St

41Service ManualThird edition, June 19973.21 Level Unit – Any RegisterIn this window you can view any of the registers in theLCMs or the LCI. There ar

42Service ManualThird edition, June 1997Database registers can be changed. Type in a new value andhit the Save-button.Note: You must be sure that you

43Service ManualThird edition, June 19973.22 Level Unit – LCI, LCM VersionIn this window you can see the version of the programs inthe LCI and LCMs. Y

44Service ManualThird edition, June 19973.23 Level Unit – Load ProgramHit the Service-button to open this window. This windowcan be used to load new p

45Service ManualThird edition, June 19973.24 Level Unit – Up/Download DatabaseHit the Service-button to open this window. Use this windowto copy datab

46Service ManualThird edition, June 19973.25 Level Unit – TX ServiceThe test functions for TX simulation and LCS simulation canbe used if a tank has t

47Service ManualThird edition, June 1997If not even LCS Simulation gives a “distance”, the reason forfault is likely to be located on the LCS Board.3.

48Service ManualThird edition, June 19973.28 Level Unit – IG Press Zero AdjustSelect this window when the IG pressure sensors need to beadjusted. Sele

49Service ManualThird edition, June 19973.29 Disconnect LUUse this function when there is a need to change the LU-database in the Work Station when th

5Service ManualThird edition, June 19973.25 Level Unit – TX Service ... 463.26 Lev

50Service ManualThird edition, June 1997The RS-485 Interface Board can be set to half or full duplex,using jumpers. In this window it is easy to check

51Service ManualThird edition, June 1997The value for digital inputs or outputs is shown as either 0 or1. For digital outputs, it is possible to chang

52Service ManualThird edition, June 19974. Select Backup All. A message is displayed on the screenand the files are copied onto the diskette. Follow a

53Service ManualThird edition, June 19973. Select “Backup one file”.4. Select the log file you want to save. Its name has anextension “.log”. These ar

54Service ManualThird edition, June 1997AMP Active A √-sign indicates that the the AMP channel for echoamplitude exists. Check the box to create AMP c

55Service ManualThird edition, June 19974 I/O BoxThe I/O box is used to interface various equipment to theWork Station including the Level Unit. The I

56Service ManualThird edition, June 19974.1 The Motherboard of the I/O BoxThe motherboard in the I/O Box contains a power supply, acommunication watch

57Service ManualThird edition, June 19974.1.2 Communication LEDsA green LED (H2) indicates received data and a yellow LED(H3) indicates transmitted da

58Service ManualThird edition, June 1997Half duplex two-wire transmission - S1-S4:1-2.Full duplex four wire transmission - S1-S4:2-3.The connection of

59Service ManualThird edition, June 19975 Level Unit5.1 Description of the Level UnitThe Level Unit contains terminals for the intrinsically safeconne

6Service ManualThird edition, June 19975.9 Backup Display, LCB ... 685.9.1 R

60Service ManualThird edition, June 199710F12AF21AF32AF42AF51AF62ANEMKO Nr Ex 94C346 (EEx ia)IICSERVICE PCCONNECTORF8-8AF7-2A(SERVICE POWER)SERVICE

61Service ManualThird edition, June 19975.3 Restarting the Level Unit1. Check with officer in charge that it is OK to restart thesystem. A restart mea

62Service ManualThird edition, June 19975.5 Signal Board, LCSThe Signal Board contains analog filters and an A/D con-verter for the analog signal from

63Service ManualThird edition, June 19975.7 Interface Board, LCIThe Interface Board works as an interface between the Pro-cessor Memory Board and the

64Service ManualThird edition, June 19975.7.2 Replacing the LCINote: In order to avoid ESD-damages (electrostatic discharge), donot touch the componen

65Service ManualThird edition, June 19975.8 Trim/List Unit, LTA unit with inclinometers for measuring trim and list isintegrated in the Level Unit cab

66Service ManualThird edition, June 19975.8.2 Adjusting the Trim/List Unit1. Measure the trim and list angles of the ship.A ship´s trim is the differe

67Service ManualThird edition, June 19972. Switch the Level Unit on and read the trim and listvalues on the Backup Display. Press the System-key andse

68Service ManualThird edition, June 19975.9 Backup Display, LCBThe Backup Display serves only as a backup for the WorkStation, for displaying the meas

69Service ManualThird edition, June 1997Note: The level and level rate always based on the same unit. If oneof them is changed, the other changes as w

7Service ManualThird edition, June 19979 Fault Finding on the Saab TankRadar System ... 88Abbreviations used in the fault fi

70Service ManualThird edition, June 19975.9.7 Amplitude FrameThis frame is used for viewing the amplitude of the tanksignal. The frame shows three amp

71Service ManualThird edition, June 1997One Transmitter Interface is connected to the CalculationUnit at the top of the Level Unit, while the other Tr

72Service ManualThird edition, June 1997- relays the digital signals between the Transmitter andthe Processor Memory Board and- stabilizes the intrins

73Service ManualThird edition, June 19975.10.10 Replacing a Transmitter Interface (LI)1. If it is a completely new LI, set address switch on thenew LI

74Service ManualThird edition, June 1997on the label on the front of the Power Block since theswitch is located inside it.5. Mount the new Power Block

75Service ManualThird edition, June 1997ElectronicBoxIG pressuresensor (option)Cable inletProtectivehose (option)InsulationStainless steelcone antenna

76Service ManualThird edition, June 1997Note: Make sure the interior of the transmitter housing is com-pletely dry and clean before replacing the cove

77Service ManualThird edition, June 19976.2 Transmitter Test CableIn the spare parts set on board there is a Transmitter TestCable. Use this cable to

78Service ManualThird edition, June 1997Check that the amplitude is within the shaded area accordingto figure 6-3. If it is not, exchange with new Ele

79Service ManualThird edition, June 19976. Clean both sides of the antenna feeder in the same way.7. Remove the brush and the Teflon adapter, and repl

8Service ManualThird edition, June 19979.6 Transmitters ... 959

80Service ManualThird edition, June 19976.4 Inert Gas Pressure Sensor (Option)IG Pressure Sensor inParabolic AntennaTransmitterFigure 6-6. The IG pres

81Service ManualThird edition, June 1997Note: The sensor must be fitted to the vent hole by means of aNylon hose.Note: Make a note of how the leads ar

82Service ManualThird edition, June 19976.5 Dismounting of Antenna Feeder of the Parabolic AntennaThe antenna feeder is mounted in the centre of the t

83Service ManualThird edition, June 1997pattern with a dynamometric wrench. Then check theantenna feeder position once again. Readjust if neces-sary.

84Service ManualThird edition, June 1997When checking the resistance of a Pt 100 sensor, observe theadditional resistance of the connecting leads, whi

85Service ManualThird edition, June 19977.2 Replacing a Faulty Temperature SensorTo replace a faulty Pt 100 element, proceed as follows:1. Remove the

86Service ManualThird edition, June 19978 Tank Display Unit (Option)100%806040200RCOMMONALARMMFtBargraph indicates percentage of full tankPress to dis

87Service ManualThird edition, June 19978.2 Checking the Tank Display Power Supply UnitThe Fl, F2 and F3 fuses (ratings 250 V/4 A) are located on asep

88Service ManualThird edition, June 19979 Fault Finding on the Saab TankRadar SystemWhenever there are symptoms in the system that may indi-cate that

89Service ManualThird edition, June 1997Contact fault between Work Station and I/O Box or between I/O Box andLevel Unit.• Check cable and connectors.S

9Service ManualThird edition, June 1997Abbreviations and Denominations:The following abbreviations are used in this manual:LC - Calculation UnitLCB -

90Service ManualThird edition, June 19979.1.7 Warning message: Level Unit Memory Failure.LCM Board faulty.• Restart Level Unit and check Service-windo

91Service ManualThird edition, June 19979.1.11 Warning message: SIOX Communication Failed.Communication cables faulty from the I/O Box to the SIOX equ

92Service ManualThird edition, June 1997If there are more Slave Work Stations, check for any messages on these.• If only one slave Work Station has th

93Service ManualThird edition, June 19979.3.4 Warning “Clean antenna on tank XXX”If the signal strength is reduced due to a thick layer of cargo or ot

94Service ManualThird edition, June 19979.4.2 Work Station monitor image located incorrectly, distorted or discolored.Static field distorting the imag

95Service ManualThird edition, June 19979.6 Transmitters9.6.1 Ullage indication not updated close to empty tank.Too weak radar echo due to inclined bo

96Service ManualThird edition, June 19979.9.2 Indicated inert gas pressure always the sameIG pressure sensor’s opening to the tank may be clogged.• Cl

97Service ManualThird edition, June 19979.12 Draft measurement9.12.1 Draft measurement incorrectFailure on LevelDatic equipment• Check LevelDatic equi

98Service ManualThird edition, June 19979.14 Finding Cause of Ground Failure WarningWhen the warning message “Level Unit Ground Failure” isdisplayed o

99Service ManualThird edition, June 19977. If there is no ground failure on the cable between theTransmitter and the temperature wire terminal, younee