Simrad EK80 - Interfacing Peripheral Equipment; Setting up the Input from a Navigation System

394149/C
169
Interfacingperipheralequipment
Topics
Settinguptheinputfromanavigationsystem,page169
SettinguptheinputfromaMotionReferenceUnit(MRU),page173
Settinguptheinputfromasoundspeedsensor,page176
Settingupaseriallineforannotationinput,page178
Settingupdepthoutputtoanexternalsystem,page180
Exportingsensordatatoaperipheralsystem,page183
SettinguptheEK80inasynchronizedsystem,page186
Settinguptheinputfromanavigationsystem
Inordertoreadnavigationaldata(position,speed,distanceandheading)fromanexternal
sensor,youmustchoosewhichinterfaceporttouse,andthenwhichdatagram(s)toread.
Prerequisites
Thisprocedureassumesthat:
•YouhaveavacantinterfaceportonyourProcessorUnit.
•YouarefamiliarwithNMEAandotherrelevantdatagramformats.
•Youknowhowtosetuptheparametersforserialandlocalareanetwork(LAN)
communication.
Context
MostGlobalPositioningSystem(GPS)receiversprovideNMEA0183telegramscontaining
speed,saileddistanceaswellasgeographicallatitudeandlongitudeinformation.Some
GPSsystemswillalsoprovidethecurrentheading,butthisinformationisnormallytaken
fromthegyro.
Settingtowork