Kongsberg K-Sync Technical specifications

KongsbergK-Sync
SynchronizingUnit
Productdescription
KongsbergMaritime
342385/B
March2010

Documenthistory
Documentnumber:342385
Rev.ADecember2009Firstversion.
Rev.BMarch2010Minorchanges–newpicture
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KongsbergMaritimeAS.
KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentiscorrectandfairly
stated,butdoesnotacceptliabilityforanyerrorsoromissions.
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orworkontheequipment.
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Productdescription
Tableofcontents
1SYSTEMOVERVIEW..........................................................5
2TRIGGERGROUPS.............................................................7
2.1Triggerdisplay.........................................................................................................8
3ECHOSOUNDERSTATUS.................................................10
3.1Enable/disableechosounder..................................................................................10
4DIAGNOSTICTOOL.........................................................11
5TECHNICALSPECIFICATIONS.........................................12
6DRAWINGS.....................................................................13
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Systemoverview
1SYSTEMOVERVIEW
TheSynchronizingUnitschedulestheechosounderstotransmit
accordingtotriggergroups.Thereareatotalof16triggergroups
andanynumberofechosounderscanbeassignedtoagroup
(zeroormore).Eachgroupistriggeredconsecutively,whilethe
echosoundersassignedtoagrouparetriggeredatthesametime.
Onceitisdetermined(byreadingfeedbacksignals)orestimated
(basedonusersettings)thatallechosoundersinthecurrent
grouphavecompletedtheirpingcycle,thenthenextgroupis
triggered.Allgroupsaretriggeredinround-robinfashion.The
durationofeachgroupisnotxedanddependsuponwhatthe
maximumactiveperiodisfortheechosoundersinthatgroup.
Echosounderscanbetakenoutoftheschedulewithoutchanging
thegroupschedule,bysimplydisablingit.Ifagroupdoesnot
containanyavailableechosounders,thenthatgroupisskipped.
TheSynchronizingUnitsystemconsistsoftwomaincomponents:
•AWorkstationPCrunningtheSynchronizingUnit(SU)
application.
•ASynchronizingUnitthatinterfaceswiththeechosounders.
Figure1SystemOverview
TheSynchronizingUnitapplicationprovidestheuserinterface,
whichallowsmonitoringofstatus,modifyingsettings,trigger
scheduleaswellasperformingdiagnostics.Theapplication
needstorunandbeconnectedtotheSynchronizingUnitinorder
forthesystemtoinitializeandbeoperational.However,once
thesystemisrunning,theapplicationcanbeshutdownand
disconnectedcompletelywhiletheSynchronizingUnitcontinues
tocontrolthetriggeringofechosounders.
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TheSynchronizingUnitcontrolspingingandreceivesstatus
fromtheechosoundersviathesignalinterface.Atriggeroutput
isprovidedforeachechosounderaswellasinputsforreceiving
feedbacksignalsfromechosounders.Feedbacksignalsarenot
required,butwillbeusedwhenavailable.Iffeedbacksignalsare
notavailable,theSynchronizingUnitcanestimatetheperiod
requiredfortheechosoundertobecomeready.
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Triggergroups
2TRIGGERGROUPS
Thetriggergroupsarethebasisfortheschedulingoftheecho
sounders.TheSynchronizingUnitusestheruntimeparameters
todeterminetheindividualtimingoftheechosounders,while
thetriggergroupsspecifyinwhatorderandwhichechosounders
willtransmittogether.
Thedisplayconsistsoftwoparts:
1Activegroupindicator(seeFig.Triggerstatusonpage7).
2Triggerschedule.
Theactivegroupindicatorshowswhichgroupiscurrentlyactive.
Groupsthatdonothaveanyechosoundersassignedtothemare
skipped.Amaximumof16groupscanbescheduled.Sinceeach
echosounderhasdifferenttimingrequirements,thedurationof
eachgroupwilldependuponwhichechosoundersareassigned
tothegroup(i.e.longestactiveperiodoftheechosounders).
Figure2Triggerstatus
Triggerstatusshowswhichisthecurrentgroupandwhichgroup
eachechosounderisassignedto
Thetriggerscheduleshowsonesystemperrow,andthetrigger
groupsareshownacross.AgreenLEDdesignatesthattheecho
sounderhasbeenassignedtothatgroup.Tomodifytheschedule,
clickcongure.Andcheckthegroupsthatanechosounder
shouldbeassignedto(seeFig.Triggergroupsonpage8).
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Figure3Triggergroups
Triggergroupcongurationdialogueallowsusertoassignecho
sounderstotriggergroups
2.1Triggerdisplay
Thetriggerdisplayisareal-timedisplaythatshowsthecurrent
stateofeachechosounderplottedacrosstime.Therearetwo
plotsforeachechosounder:
1Triggerplot
2Stateplot
ThetriggerplotshowsapulsewhenevertheSynchronizingUnit
istriggeringtheechosounder.Thislineisblue.
Thestateplotshowsthecurrentstatebasedonschedulingand
feedbacksignalsandisconveyedbyitscolour.
Table1Interpretationoftriggerdisplayplots
Gray
line
Echosounderhasbeendisabledby
operatorortheechosounderisinStandby
state(i.e.timedout/notready)
Green
line
Echosounderisreadytobetriggered
RedlineEchosounderiscurrentlytransmitting,
receivingand/orprocessingsamples(i.e.
notready)
State
plot
Red
pulse
Echosounderacknowledgedthata
transmitoccurred(widthofpulseisalways
constant)
Trigger
plot
Blue
pulse
Triggerpulse
Eachtriggergroupisvisuallyseparatedbytheverticalgroup
lineinyellow.
Byinspectingthetriggerchartforaparticulargroupitispossible
toseewhichechosounderistakingthelongesttocompletethe
pingcycle.Thisechosounderwillhavearedlinethatstartsat
thebeginningandextendsallthewaytotheendofthegroup.
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Triggergroups
Figure4OS38–Echosounder
Thisplotshowsanechosounder,OS38,whichhasthelongest
periodinthegroupandconsequentlydeterminestheoverallping
rateforthegroupsitisassignedto.
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3ECHOSOUNDERSTATUS
TheindividualstatesoftheechosoundersareshownintheEcho
sounderstatusdisplay.Foreachechosounderthereisalsoa
checkboxforenablinganddisablingthesystem.
Figure5EchoSounderStatus
TheEchosounderstatusprovidessynchronizingstatusforeach
oftheinstalledechosounders
3.1Enable/disableechosounder
Evenifanechosounderisscheduled,itcanbeoverriddenby
enable/disablesetting.Ifenabled(checked)itwillbetriggered
accordingtotheschedule,ifdisabled(unchecked)itwillnotbe
triggeredevenifscheduled.Thissettingisseeninthecheck
boxonthelefthandsideoftheEchosounderstatusareaofthe
userinterface.
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Diagnostictool
4DIAGNOSTICTOOL
Thediagnosticdisplayshowsthesignalleveloneachinputand
outputoftheSynchronizingUnit.Thereare48inputs(feedback
signals)and16outputs(triggersignals).
InFig.DiagnosticDisplayonpage11,thedialogueforthe
diagnosticdisplayisshown.ThelabelnexttoeachLED
describeswhichmoduleandpinnumberaswellasterminalID
thestateisassociatedwith.Themoduleandpinnumberreferto
thephysicalconnectionsinsidetheSynchronizingUnit,whilethe
terminalIDrefertotheselectionsintheinstallationsettings.
Note
TheLEDsrefertotheactualvoltagelevelontheinput(referred
toas5V).Ifsignalconditioninghasbeenapplied,thestatesmay
becomeinverted.
Figure6DiagnosticDisplay
TheDiagnosticDisplaydialogueshowsthesignallevelofeach
digitalinputandoutput.
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5TECHNICALSPECIFICATIONS
Someofthetimingandsignalspecicationswithrespecttothe
K–Syncarelistedinthetablebelow.
Displayresolution(horizontal):50ms
Displaywidth:10,30or60seconds
Max.triggergroups:16
Timingresolutionofsynchronization:1ms
Availablesignalinputs:48
Maxsystems/triggeroutputs:16
Supportedsignallevels(inputsand
outputs):
TTLandRS-232
Signallatency(feedbacksignalto
triggeroutput):
40µs
Supporteddepthdatagraminput:
•EMx:D,X,andE
•EA500
•NMEA:DPTandDBS
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Drawings
6DRAWINGS
•SSURackUnit
•OutlineDimensionsCabinet
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©2009KongsbergMaritime
Stra n dp rom e n a de n 5 0
P.O.Box 1 11
N- 31 91 H orte n ,
No rwa y
Ko n g s b e r g M a r it im e A S
Te leph one : + 47 3 3 0 2 3 8 0 0
Te lefa x: + 47 3 3 0 4 4 7 5 3
s ub se a @ko ng sb e rg .com
w w w .k o n g s b e r g .c o m