Owner's manual

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NAV440UserManual
7430‐0131‐01Rev.F
Page96
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hardwareEnvironmentalBITField
ThehardwareEnvironmentalBITfieldcontainsflagsthatindicatelowlevelhardwareenvironmentalerrors.The
environmentalErrorflaginthehardwareBITfieldisthebit‐wiseORofthehardwareEnvironmentalBITfield.
Table85hardwareEnvironmentalBITField
hardwareEnvironmentalBITField Bits Values Category
pcbTemp 0 0=normal,1=outofbounds Soft
Reserved 9:15 N/A 
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comBITField
ThecomBITfieldcontainsflagsthatindicatecommunicationerrorswithexternaldevices.Eachexternaldevicehas
anassociatedmessagewithlowlevelerrorsignals.ThecomErrorflagintheBITstatusfieldisthebit‐wiseORofthe
comBITfield.
Table86comBITField
comBITField Bits Values Category
serialAError 0 0=normal,1=error Soft
serialBError 1 0=normal,1=error Soft
Reserved 2:15 N/A 
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comSerialABITField
ThecomSerialABITfieldcontainsflagsthatindicatelowlevelerrorswithexternalserialportA(theuserserialport).
TheserialAErrorflaginthecomBITfieldisthebit‐wiseORofthecomSerialABITfield.
Table87comSerialABITField
tscomSerialABITField Bi Values Category
transmitBufferOverflow 0 0=normal,1=overflow Soft
receiveBufferOverflow 1 0=normal,1=overflow Soft
framingError 2 0=normal,1=error Soft
breakDetect 3 0=normal,1=error Soft
parityError 4 0=normal,1=error Soft
Reserved 5:15 N/A 
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comSerialBBITField
ThecomSerialBBITfieldcontainsflagsthatindicatelowlevelerrorswithexternalserialportB(theaidingserial
port).TheserialBErrorflaginthecomBITfieldisthebit‐wiseORofthecomSerialBBITfield.