SimradSX90
• Pulselog(200pulses/nauticalmile)
Foranytypeofpulselogoutput(relay,opencollector,or
optocoupler),theoutputmustbefreefromotherconnections.
Thismeansthatonthespeedlogoutputtobeused,onlythe
sonarcanbeinterfaced.TheconnectiontotheInterfaceUnit
isshowninsectionPulsespeedloginterfaceonpage198.For
connectionofapulselogwithopencollectororoptocoupler
output,theconnectionmustbemadebetweenSpeedlog+
(TB8-2)andSpeedlog-(TB8-5).Ifthisisthecase,beaware
ofthepolarization.
Figure55Pulseloginterface
• SpeedlogwithRS-232seriallineoutput
ThesonarcanreadthespeedlogdatafromaRS-232serialline
withastandardNMEA0183telegramformat.Thetelegram
cancontainboththespeedandthecoursedata.Connectthe
seriallinetoanyvacantport(TB1-7)intheInterfaceUnitas
describedinsectionRS-232totheInterfaceUnitonpage200.
Inordertoperformthephysicalconnectiontothespeedlog,
refertotheapplicablelogdocumentation.
•
(D)GPSserialline(RS-232)
The(D)GPSoutputdatawillnormallycontainthespeedlog
information.Insuchcase,thisseriallinecanbeusedforboth
thepositionandspeeddata.Connecttheseriallinetoany
vacantport(TB1-7)intheInterfaceUnitasdescribedin
sectionRS-232totheInterfaceUnitonpage200.Inorderto
performthephysicalconnectiontotheGPSsystem,referto
theapplicablesystemdocumentation.
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