System Description

SystemDescriptionandInstallationManualforRangeFinder ICD1000001
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8.5.2 Installation
InstallationUseCaseisexecutedtoloadandverifyInstallationData.InstallationDatais writtenintoRangeFinder’snonvolatilememoryandonly
needstobeloadedonceperinstallation.InstallationDatacanbereadatanytimetodetermineifthedatahasbeencorrupted.
Theprocessandcommandsequencesfor
theInstallationUseCaseisoutlinedinthefollowingsteps:
1. ConstructandsendaDataRequestMessagerequestingInstallationResponseMessage
2. ReceiveanddecodeAcknowledgeMessage(ACK)
3. ReceiveanddecodeInstallationResponseMessage
Note:TheInstallationMessagecommunicationfieldsvarydependingonwhetherSerialorEthernetcommunications
aretobeused:
SerialCommunications:
o EntervaluesforoneofthetwoCOMPortfields.
Ethernetcommunications:
o EntervaluesinboththeEthernetIPAddressfieldandoneofthetwoCOMPortfields.TheCOMportfieldisusedtosend
theInstallationMessagevia
Serialcommunications.TheEthernetwiththeprovidedIPAddress,isusedthereafter.
4. IftheInstallationResponseMessageindicatesanewinstallation,constructandsendInstallationMessage
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5. ReceiveanddecodeAcknowledgeMessage(ACK)
6. Repeatsteps13toverifyinstallationdataisstoredproperly
Table876isanInstallationUseCaseexamplethatassumes theRangeFinderdoesnotcontaininstallationdata(NewInstallation),thepoweron
operationalmodeisSTBY,andtheaircraftisontheground.
Table876InstallationUseCaseExampleData
Step Message Msg
Direction
FieldName DataValues
(Hex)
Data/FunctionalDescription SDIM
Section
1 ConstructandsendaDataRequestMessagerequestingInstallationResponseMessagetodetermineifinstallationdataexistsandisvalid.
TheACKmessagewillbereturnedfirstfollowedbytheInstallationResponseMessage.
Data
Request
Sentfrom
Host
StartByte [AA] 8.3.6
MessType [05]
MessID[03]

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InstallationMessagedataisstoredinnonvolatilememoryandneedstobesentonlyonce.