System Description
SystemDescriptionandInstallationManualforRangeFinder ICD10000‐01
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Range
ByteOffset ByteName FieldDescription
00 RA0 RA0 RA1 RangeData
01 RA1 0x00
0x00
0x0F
0x28
0x40
0xFF
0x00
0x01
0xFF
0x00
0x00
0xFF
0.00000000NM
0.00390625NM
15.99609375NM
40.00000000NM
64.00000000NM
255.99609375NM
Range
[AltitudeMSB][AltitudeLSB]:(MSBissentfirst)
Rangeissentinthefollowing16bitunsignednumberformat:dddddddddddddddd
Dataresolutionis0.0390625NM:lsb=2**‐8
Table8‐69ModeCInterrogationResponseMessagePayloadStructureExampleData
MessageField ByteValues(original) ByteMessageContent(Hex)
StartByte AA [AA]
MessageType 0xA2
–
ModeCInterrogationResponseMessages [A2]
MessageID Anarbitrarynumberbetween0and255(inclusive)thatuniquely identifiesthe
message.
[00]
PayloadLength [3C]
PAY‐
LOAD
Pressure
Altitude/Range
ResponsesfromaModeCInterrogation.
[000000000001000000000200…0300
0000]
Checksum 8‐bitarithmeticsumofmessagefromStartBytetolastbyteof thePayloadData. [8E]