Simrad SU90 - Connecting the Speed Log; Installation Shipyard; Configuring and Testing the Interface to the Speed Log

SimradSU90
Connectingthespeedlog
Purpose
AspeedlogmustbeconnectedtotheSU90.Thecablemustbeprovidedbythe
installationshipyard.TheSU90canreadthespeedinformationfromthefollowing
threesources.
•Pulselog(200pulses/nauticalmile)(mustbeconvertedtoaseriallineformat)
•Speedlogwithseriallineoutput
•(D)GPSwithseriallineoutput
Note
Theoutputfromapulselogmustneverbeconnectedtomorethanonerecipientsystem
simultaneously.IfitisconnectedtotheSU90,donot
usethesameoutputtofeedother
systems.
Relatedtopics
•Conguringandtestingtheinterfacetothespeedlogonpage157
Procedure
1Connectthespeedlogasdescribed.
→Speedlogwithseriallineoutputonpage142
→(D)GPSseriallineonpage142
2Testtheinterface.
→Conguringandtestingtheinterfacetothespeedlogonpage157
Pulselog(200pulses/nauticalmile)
TheSU90doesnotprovideaninputforapulselog.Inordertoconnectaspeedlogwith
pulselog,youwillneedaconvertertomatchtheseriallineinputontheProcessorUnit.
Speedlogwithseriallineoutput
ThesonarcanreadthespeedlogdatafromaseriallinewithastandardNMEA0183
telegramformat.Thetelegramcancontainboththespeedandthecoursedata.
Inordertoperformthephysicalconnectiontothespeedlog,refertotheapplicable
speedlogdocumentation.
(D)GPSserialline
The(D)GPSoutputdatawillnormallycontainthespeedloginformation.Insuchcase,
thisseriallinecanbeusedforboththepositionandspeeddata.
InordertoperformthephysicalconnectiontotheGPSsystem,refertotheapplicable
systemdocumentation.
142
381293/A