Simrad SU90 - Echo Sounder Telegrams

Telegramformats
→MTWWatertemperatureatthetrawlonpage244
→HFBTrawlheadropetofootropeandbottomonpage243
→TDSTrawldoorspreadonpage246
→TS2Trawlspread2onpage248
→TFITrawlllingonpage247
→TTSTrawltoshoaldistanceonpage248
→HDMHeading,magneticonpage237
→HDTHeading,trueonpage237
→TPPTrackedtargetpositionormarkeronpage247
Note
TheGLLtelegrammaybereceivedfromintegratedinstrumentsusingthe“ii”talker
identier.TheSimradITIsystemusesthesametalkeridentier“ii”,andthishascaused
someconfusionforsomeofourusers.Inordertorectifythis,theITIGLLtelegram
hasbeeninhibited.
TheHDMandHDTtelegramsarealsosupported.ThesetelegramsareusedbytheITI
system,andthenexportedontheITIoutputseriallinetoexternaldevices.
TheTPPtelegramissenttotheITIsystem.
FS900
ThefollowingtelegramscanbereceivedfromtheSimradFS900system.
→FS3300Binarydepthonpage242
→DBSDepthbelowsurfaceonpage234
FS3300
TheserialoutputoftheSimradFS3300sendsa2-bytebinarydepthvalue.Thistelegram
isthusnot
complianttotheNMEAstandard.
→FS3300Binarydepthonpage242
→DBSDepthbelowsurfaceonpage234
Echosoundertelegrams
TheSimradSU90softwarereadsdepthdatafromanexternalechosounderthrougha
seriallineusingtheNMEA0183standardforreceptionofthewaterdepth.Thesonar
acceptsthefollowingNMEAdepthtelegrams:
→DBSDepthbelowsurfaceonpage234
→DBTDepthbelowtransduceronpage234
→DPTDepthonpage234
→DBSDepthoftrawlbelowsurfaceonpage242
ThesonarwillalsoaccepttheproprietaryDBStelegramformat.
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