Simrad SU90 - Page 247

Telegramformats
Format
$PSIMP,D,tt,dd,M,U,S,C,V,Cr,Q,In,SL,NL,G,
Cb,error*chksum<CR><LF>
Formatdescription
1PS=Talkeridentier(mandatory)
2IMP=Telegramidentier
3D=Sentencespecier
4tt=Timeofday
5dd=Currentdate
6M=Measurementtype:
•D=Depth
•T=Temperature
•C=Catch
•B=Bottom
•N=Nosensor
•M=Marker
7U=unit;M,forFfordepthmeasurements,CorFfortemperaturemeasurements
8S=source;number(1,2or3)ofthesensorprovidingthecurrentdatavalues
9C=channel;thenumber(1to30)ofthecommunicationchannelforthecurrent
datasource
10V=value;themagnitudeofthecurrentsensormeasurement
11Cr=changerate;themagnitudeofthecurrentdepthortemperaturemeasurement
12Q=quality:
•0=Noconnectionbetweenthesensorandthereceiver
•1=Oneortwotelemetrypulsesarelost,currentvalueispredicted
•2=Thecurrentdatavalueisreliable
13In=interference:
•0=Nointerference
•1=Interferencedetected
14SL=signallevel–thesignallevelofthetelemetrypulse,measuredindB//1µPa
15NL=noiselevel–theaveragenoiselevelofthecurrentchannel,measuredindB
//1µPa
16G=thecurrentgain;0,20or40dB.
17Cb=cablequality:
•0=cableisnotconnected
•1=cableisOK
•2=ashortcircuit,orthehydrophonecurrentistoolarge
381293/A
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