Skypatrol Evolution Series User manual
www.skypatrol.com
Temperature Sensor TMP04
Guide for TT87XX-Series
SkyPatrol Temperature Sensor Guide for
TT87XX-Series Devices
Revision 1.1
Confidential and Proprietary Information – © 2011 Skypatrol, LLC.
Do not duplicate without express permission from Skypatrol, LLC
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GENERAL
TERMS OF USE OF NEW MATERIALS - PLEASE READ CAREFULLY
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© 2011 SkyPatrol LLC. All rights reserved. Complying with all applicable copyright laws
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TABLE OF CONTENTS
General......................................................................................................................... i
COPYRIGHT ................................................................................................................ i
Table of Contents ........................................................................................................ ii
1General Description .................................................................................................1
2Key Features............................................................................................................1
3Installation................................................................................................................2
4Message Format......................................................................................................2
5Operation.................................................................................................................3
5.1Header..............................................................................................................3
5.2Footer ...............................................................................................................3
5.3Units..................................................................................................................4
5.4Device Id...........................................................................................................4
5.5Low Temperature Set Point ..............................................................................4
5.6High Temperature Set Point..............................................................................5
5.7Periodic Report Time........................................................................................5
5.8Temperature Reading Adjustment....................................................................5
5.9Temperature Reading Reset.............................................................................6
5.10Probe Select .....................................................................................................6
5.11Query Temperature...........................................................................................6
5.12Query Set Points...............................................................................................6
5.13Query Report Time ...........................................................................................6
5.14Query Firmware Version...................................................................................7
5.15Firmware Upgrade............................................................................................7
6Notes........................................................................................................................7
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1General Description
TheTMP04isadigitaltemperaturemeterwithserialoutput,fortheterrestrialtransport
industries.
Thishigh‐techdeviceisdesignedtoaccepttwosensors.Itiseasytoinstallandmaintenance‐
free.
TheTMP04ismadeoutofstrongflameretardantABSplastic.
TheTMP04isbasedinhighperformancemicrocontrollerforrobustness,highaccuracyand
linearityaswellaslongtermstability.
Thelowpower,highvoltagerangeelectronicsoftheTMP04isoptimizedforuseinautomotive
applications.
TheflashmemorymicrocontrollerusedintheTMP04,allowsusertoconfigurethereport
parametersandtodoinfieldfirmwareupgrades.
2Key Features
Temperaturerange:‐22to+212°F(‐30to+100°C)
Accuracy: ±2.7°F(±1.5°C)
Probes:Twosemiconductorsensors
Supplyvoltage: 8to32VDC
Lowpower: 15mA
Serialoutput: 9600,8,n,1
Outputformat: °For°Cuserselectable
Smallsize: 2”x2”x0.75”
‐Probesincluded
‐RS‐232interface
‐Fullycalibrated
‐Newaddedinfieldrecalibration
‐Easytoinstall
‐FullycompatiblewithSkyPatrolunits
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3Installation
SelectasuitableinstallationpositionfortheTMP04temperaturemeterneartheGPSunitand
locatetheprobesinsidethecontrolledarea.
ConnecttheTMP04wirestotheGSPunitasfollows:
TMP04GPS
SignalWireColorSignal
MainPowerRedMainPower
GroundBlackGround
TXYellowRX
RXBrownTX
4Message Format
Themessagesentfromthesensorhasthefollowingformat:
<header><sensor1value>,<status1>,<sensor2value>,<status2>,<unit>,<deviceid><footer>
Where:
<header>Isaparameterdefinedbytheuser
<sensor1value>Temperatureatsensor1
<status1>Normal(0),low(1)orhigh(2)temperatureofsensor1
<sensor2value>Temperatureatsensor2
<status2>Normal(0),low(1)orhigh(2)temperatureofsensor2
<unit>Unitofmeasure(˚For˚C)
<deviceid>Isaparameterdefinedbytheuser
<footer>Isaparameterdefinedbytheuser
Messageexample:
AT$SEND,+034,1,‐005,0,C,QSV236‐END
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<header>AT$SEND,
<sensor1value>+034
<status1>2(Hightemperature)
<sensor2value>‐005
<status2>0(Inrange)
<unit>C
<deviceid>QSV236
<footer>‐END
5Operation
TheTMP04temperaturemetercanbehandledandsetupbythefollowingscommands:
5.1 Header
ThemessageheaderallowstosendacontrolcommandtotheGPSunitlike
AT$MSGSND=2,"orsomethingsimilar.
FunctionDefinetheHeaderofthemessage
SyntaxAT$HEADER=<header>
Parameter<header>isastringwithamaximumof40characters
DefaultNothing
ResponseHeaderOK|ERROR,IdFooter
5.2 Footer
Tosendanendofmessagecommand
FunctionDefinetheFooterofthemessage
SyntaxAT$FOOTER=<footer>
Parameter<footer>isastringwithamaximunof20characters
DefaultNothing
ResponseHeaderOK|ERROR,IdFooter
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5.3 Units
Unitofmeasure,useFforFahrenheitorCforCentigrade,thesettingautomaticallyadjust
thealarmsetpointstothecorrespondingvalues.
FunctionDefinetheunitsforthetemperaturereport
Syntax AT$UNIT=<unit>
Parameter <unit> one character, it should be F or C
Default F
Response HeaderOK|ERROR,IdFooter
5.4 Device Id
Tosetauniquedeviceidentification.
FunctionDefinethedeviceIDofthetemperaturemeter
SyntaxAT$ID=<id>
Parameter<id>isastringwithamaximumof20characters
DefaultTMP04serialnumber
ResponseHeaderOK|ERROR,IdFooter
5.5 Low Temperature Set Point
Ifthereadingoftemperaturedropsbelowthispoint,atemperaturereportmessageis
issued.
Allowedvalues‐022to+212°F(‐030to+100°C).
FunctionDefinethelowtemperaturealarmreportpoint
SyntaxAT$SETLO=<sensor>,<sign><value>
Parameter1<sensor>1or2
Parameter2<sign>+or‐
Parameter3<value>3digitswithleadingzeros
Default‐020°F(‐029°C)
ResponseHeaderOK|ERROR,IdFooter
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5.6 High Temperature Set Point
Ifthesensedtemperaturerisesabovethispoint,atemperaturereportmessageis
issued.
Allowedvalues‐022to+212°F(‐030to+100°C).
FunctionDefinethehightemperaturealarmreportpoint
SyntaxAT$SETHI=<sensor>,<sign><value>
Parameter1<sensor>1or2
Parameter2<sign>+or‐
Parameter3<value>3digitswithleadingzeros
Default+122°F(+050°C)
ResponseHeaderOK|ERROR,IdFooter
5.7 Periodic Report Time
Setsthetimebetweenautomaticreports,valuesallowed0(disable)to250minutes.
FunctionDefinethetimebetweenperiodicreports
SyntaxAT$TIME=<time>
Parameter<time>timeinminutes,3digitswithleadingzeros
Default015
ResponseHeaderOK|ERROR,IdFooter
5.8 Temperature Reading Adjustment
Althoughthetemperaturemeteriscalibrated,sometimesisnecessarytomakesmall
adjustmentstomeettheinfieldconditions.
FunctionAdjustthesensortemperaturereading
SyntaxAT$CALIB=<sensor>,<sign><value>
Parameter1<sensor>1or2
Parameter2<sign>+or‐
Parameter3<value>actualtemperature,3digitswithleadingzeros
DefaultFactorycalibration
ResponseHeaderOK|ERROR,IdFooter
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5.9 Temperature Reading Reset
FunctionTosettheadjustpointtofactorycalibration
SyntaxAT$CALIB=0
ResponseHeaderOK|ERROR,IdFooter
5.10 Probe Select
FunctionToselectoneortwosensorstoreport
SyntaxAT$PROBE=1|2
ResponseHeaderOK|ERROR,IdFooter
5.11 Query Temperature
FunctionToquerythecurrenttemperatureatthesensors
SyntaxAT$QRYTMP
ResponseMessage(seemessageformatsection)
5.12 Query Set Points
FunctionToquerythealarmsetpoints
SyntaxAT$SET?
ResponseHeaderSensor1‐low,sensor1‐high,sensor2‐low,
5.13 Query Report Time
FunctionToquerytheperiodicreporttimesetting
SyntaxAT$TIME?
ResponseHeader,time,IdFooter
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5.14 Query Firmware Version
FunctionToquerythefirmwareversion
SyntaxAT$VER?
ResponseHeader,version,IdFooter
5.15 Firmware Upgrade
UsedtoupgradetheTMP04'sfirmwarebymeansofsoftwaresuppliedbySkyPatrol.Itis
notan"over‐the‐air"commandlikeallothersare.
6Notes
¾Thetimebetweenacommandandtheresponseis2secondstoallowtheGPSunitto
processthemessage.
¾TheHeader,FooterandIDcancontainanycombinationofupperandlowercaseletters,
numbers,symbolsandpunctuationmarks.
¾Allthecommandsmustbetypedinuppercase.
¾ThecablefromtheTMP04tothesensorsshouldnotexceed50meterswithAWG22wire.
This manual suits for next models
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