Simrad SU90 - Telegrams Received and Sent by the SU90; Course Gyro Telegrams; Speed Log Telegrams

Telegramformats
TelegramsreceivedandsentbytheSU90
Thefollowingtelegramformatsareeitherreceivedortransmittedbytheperipheral
systemsconnectedtotheSU90.
Topics
•Coursegyrotelegramsonpage227
•Speedlogtelegramsonpage227
•GPStelegramsonpage228
•ITIandtrawlsystemtelegramonpage228
•Echosoundertelegramsonpage229
•Windsensortelegramsonpage230
•Seacurrenttelegramsonpage230
•Catchmonitoringsystemtelegramsonpage230
•Buoytelegramsonpage230
•Targetoutputtelegramsonpage230
Coursegyrotelegrams
Note
Inordertoprovideitsfulloperationalfeatures,theSimradSU90mustbeprovided
withheadinginformation.
TheSimradSU90softwarereadsanexternalcoursegyrothroughaseriallineusing
theNMEA0183standardforreceptionofheadinginformation.Thesonaracceptsthe
followingNMEAheadingtelegrams:
→HDTHeading,trueonpage237
→HDMHeading,magneticonpage237
→HDGHeading,deviationandvariationonpage236
→VTGCourseoverground&groundspeedonpage240
→RMCRecommendedminimumspecicGNSSdataonpage238
→VHWWaterspeedandheadingonpage239
TheVTG,RMCandVHWtelegramsarenormallyprovidedbyothersourcesthanagyro,
butthesetelegramsalsocontainheadinginformation.Theyarethereforesupported
bythesonar.
Speedlogtelegrams
Note
Inordertoprovideitsfulloperationalfeatures,theSimradSU90mustbeprovided
withspeedloginformation.
381293/A
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