Specifications
Maxiva ULX Series
November 11, 2013
6‐3
888‐2628‐300 WARNING:Disconnectprimarypowerpriortoservicing.
Copyright©2013,HarrisBroadcast
• UnderVoltagePallet
• OverTemperatureModuleController
• OverCurrentModuleDriver
• OverTemperaturePre‐driverHeatsink
• OverDriveModuleRFInput
• OverDriveModuleRFOutput
• UnderCurrentPhaseandGainBoard
• OverCurrentPhaseandGainBoard
• OverCurrentPallet
• UnderCurrentPre‐Driver
• OverCurrentPre‐Driver
• OverTemperaturePowerSupplyBoard
• LowVoltageOutputDCConverter
• ShortCircuit
• HighModuleReflectedPower
6.4 FaultTables
ThefollowingtablesprovidealistingofMaxivaTransmitterfaultsalongwithabriefdescription,thefaultlevelor
thresholdandtheactiontakenbythetransmitter.
Table6‐1MaxivaDriveChainFaultList
TYPE Description FaultLevelorThreshold TransmitterAction
Three
Strike
Availablein
LifeSupport
IPAAFault:PowerSupply,
LDMOS,VSWR,Power
Overload,Temperature,
InputPower
TheIPAcanreportupto6
faultsviatheirparallel
controlpins
Anyonefaultactive
IPASwitchto
alternateIPAifin
AutoMode
YES YES
IPABFault:PowerSupply,
LDMOS,VSWR,Power
Overload,Temperature,
InputPower
TheIPAcanreportupto6
faultsviatheirparallel
controlpins
Anyonefaultactive
IPASwitchto
alternateIPAifin
AutoMode
YES YES
PDU(Predriver)AFault
ThePredrivercurrentis
monitoredinsidethePDU.A
faultissentifitisbelowthe
normalminimumcurrent.
Predrivercurrentisbelow
TBDmA
IPASwitchto
alternateIPAifin
AutoMode
NO YES
PDUPredriverBFault
ThePredrivercurrentis
monitoredinsidethePDU.A
faultissentifitisbelowthe
normalminimumcurrent.
Predrivercurrentisbelow
TBDmA
IPASwitchto
alternateIPAifin
AutoMode
NO YES
ExciterAPowerOutput ExciterApowerlevellow
Trippointis50%of
nominal.Trippoint
adjustablebyepot
ExciterSwitchto
alternateExciterif
inAutoMode
NO YES
ExciterBPowerOutput ExciterBpowerlevellow
Trippointis50%of
nominal.Trippoint
adjustablebyepot
ExciterSwitchto
alternateExciterif
inAutoMode
NO YES
EXCANO
COMMUNICATIONS
ExciterAnotcommunicating
withtransmittermain
controller
Noserialcommunications
trafficdetected
ExciterSwitchto
alternateExciterif
inAutoMode
NO NO
EXCBNO
COMMUNICATIONS
ExciterBnotcommunicating
withtransmittermain
controller
Noserialcommunications
trafficdetected
ExciterSwitchto
alternateExciterif
inAutoMode
NO NO
EXCASummaryFault
ExciterAreportsasummary
fault
ExciterSwitchtoalternate
ExciterifinAutoMode
NO YES
EXCBSummaryFault
ExciterBreportsasummary
fault
ExciterSwitchtoalternate
ExciterifinAutoMode
NO YES










