Particle Monitor One User manual

MonitorOnedatasheet
Thepicturesinthispreliminarydatasheetareofapre-releaseunit.Theproductionunitswillbea
differentcolor,andmayhaveotherminordifferences.
TheMonitorOneisanoff-the-shelfcompletegatewaydesign,liketheTrackerOne.TheMonitor
OneisinalargerIP67waterproofenclosurewithroominsideforanexpansioncardandadditional
connectors,allowingittobeusedinmorecustomscenariosthantheTrackerOne.
ReadytogowithruggedIP67-ratedenclosurewithroominsideforanexpansioncard.
Flexiblepowersupplytoeasilyaddassettrackingtomostdeviceswitha6-30VDCpower
inputandalarge18650LiPobatterypack.
InternalorexternalantennasforcellularandGNSS.
Temperaturesensorsonthecarrierboard,andalsoabatterypacktemperaturesensor.
Expansioncardconnectortoallowforcustomapplicationspecifichardware.
RGBLEDforsystemstatus,andtwouserRGBLEDsforyourownuse,visiblefromoutsidethe
enclosure.
Userbutton,waterproofandaccessiblefromoutsidetheenclosure.
ParticlegatewaydeviceliketheMonitorOneandTrackerOnearedesignedtobeusedoff-the-
shelftointerfacetootherdevicesandsensorsusingstandardprotocolssuchasCANbus,I2C,and
serial.
ForinformationonsettingupaMonitorOneDeveloperEdition,seetheMonitorOneQuickstart.

Blockdiagram
DetailsabouttheTrackerSoMthatiscontainedwithintheMonitorOnecanbefoundinthe
TrackerSoMDatasheet.

Certification
TheMonitorOneDeveloper'sEditioniscurrentlyintheengineeringsamplestage.
CertificationisnotexpecteduntilSeptemberorOctober2023.

Externalfeatures
Label Feature
1 SystemRGBLED
2 GNSSantenna(internal)
3 Cellularantenna(internal)
4 Externalconnectors(onbottom)
5 Magnetic,bolt-down,orstrap-downmountingbracket
6 UserRGBLEDs(2)
7 Userbutton(externallyaccessible)
8 Wi-Figeolocationantenna(internal,optional)
9 Coverscrews(6)(M2hex,2mm)
Awaterproofbuttonisavailablefromtheoutsideoftheenclosure.
Longpress(10seconds)resetsthedevice(asiftheRESETbuttonwaspressed)
Shorterpressandmultiplepresscanbehandledbyyouruserfirmwareforyourownfeatures
TherearetwosmallRGBLEDsvisiblefromtheoutsideonthesideoftheunit,nexttotheuser
button.
TheupperLEDdefaultstobeingaGNSSlockindicator:
Off:GNSSoff
Blinking(green):attemptingtogetaGNSSfix
On(green):GNSSfixacquired
Youcanprogramcustomcolors,blinking,andfadeeffectsfromyouruserfirmwareforthelower
LED.
USERBUTTON
USERLEDS(2)

LEDsarecontrolledbyaADP8866I2CLEDcontroller.
ThebottomplateoftheMonitorOnecanbecustomizedwithdifferentconnectorsforyour
application.
Label Feature
1 Cellularantenna(SMA)
2 M12connector(8-pin)
3 M12connector(4-pin)
4 GNSSantenna(SMA)
5 Mountingplateattachmentscrew
BydefaulttheMonitorOneusestheinternalcellularandGNSSantennas,butcanbeswitchedto
usingtheexternalconnectorsinsidetheenclosure.
Thecellular(1)andGNSS(4)antennasarenotconnectedinternallyatthefactory.Inordertouse
theexternalconnectorsyoumustopenthecase,disconnecttheinternalantenna,andinstead
connecttheU.FLconnectorfortheexternaljack.
TheMonitorOneisequippedwith2external-facingSMAbulkheadconnectorsforbothcellularand
GNSSbutaredisconnectedinternally.Thehardwareisreadyforusewithexternalantennasgiving
theabilitytoconnectawidevarietyofapplication-specificantennas.Itisrecommendedthatthe
userperformrequiredRFcertificationswiththeselectedantennainstalledastheMonitorOnehas
onlybeencertifiedforuseinselectregionswiththeinternalantennas.
CONNECTORS

Mounting
TheMonitorOneisintendedtobemountedintheorientationshownatthetopofthepage,with
theconnectorsfacingdown.Youcanalsomountitwiththemountingplatemountedonaflat
surfaceastheGNSSantennaisangledtoallowittoworkineitherorientation.
WhenusingexternalcellularandGNSSantennasyoucanorienttheMonitorOneinother
directions.
Label Details
1 Mountingscreworboltholes
2 Slotsforstrapmounting
3 Magnets
4 Mountingplateremovalscrew(M3hex,3mm)
Themountingplatecontainstwomagnets(3)thatallowittobeeasilymountedonametal
surface.
Themountingplateisremovablefromthebackoftheunitafterremovingthescrewonthe
bottom(4),neartheexpansionconnectors.
Onceremoved,youcanscreworboltthemountingplatethroughthefourholes(1)andreattach
theMonitorOne.Thisisgoodforroughconditionsandformountingonnon-metalsurfaces.
Themountingplatecanbestrapmountedthroughthetwoslots(2).
Themagnetsdonotneedtoremovedtousescrew,bolt,orstrapmounting.
Dimensions Metric SAE
Top,widthbetweenmountingholes 28mm 13/32"
Bottom,widthbetweenmountingholes 46mm 113/16"
Heightbetweenmountingholes 140mm 51/2"

Dimensions Metric SAE
Bolt/screwheadholediameter(maximum) 12.46mm 31/64"
Bolt/screwheadmaximumheight(maximum) 4.0mm 5/32"
Bolt/screwholediameter(maximum) 4.33mm 11/64"
Bolt/screwshafttosurface(maximum) 3.65mm 9/64"
Recommendedboltorscrew M4 #8
Whenmountingusingastrap,thestrapwillholdthemountingbracketagainstasurfaceandis
sandwichedbetweenthemountingbracketandtheMonitorOneenclosure.
Dimensions Metric SAE
Maximumstrapwidth 15mm 19/32"

Ifyouwishtofabricateyourowncompatiblemountingbracket,theSTEPfilecanfoundinthe
MonitorOneGithubrepository.

Internalfeatures
Label Feature
1 MCUUSBConnector(MicroB)
2 UserRGBLEDs(2,externallyvisible)
3 UserButton(externallyaccessible)
4 SystemRGBLED(externallyvisible)
5 GNSSantenna(internal,optional)
6 GNSSantennaU.FLconnector
7 Cellularantenna(internal)
8 CellularantennaU.FLconnector
9 Expansioncardheaders(2)
10 SWDdebuggingconnector
11 Wi-FigeolocationantennaU.FLconnector
12 MODEandSETUPbuttons
13 VINconnector
14 Expansioncardtoexternalconnectorcable
15 LiPobatteryconnector
16 CellularantennaSMAconnector(external)
17 Expansioncardexternalconnector#1(M12,8-pin)
18 Expansioncardexternalconnector#2(M12)
19 GNSSantennaSMAconnector(external)
20 TrackerSoMmodule
21 Wi-Figeolocationantenna(internal,notpictured)

I/OCard
TheMonitorOneisdesignedwitheasy-to-useexpansionheadersandanenclosurewithsufficient
spaceinsideforanexpansioncard,andforadditionalexpansionconnectorthroughthewallof
enclosure.
TheMonitorOneDeveloper'sEditionincludestheI/OCard,whichincludes:
Feature Location Details
VIN M128-pin Powerinput,6-30VDC
CANBus M128-pin
RS485(Modbus) M128-pin
4-20mAinput M128-pin
0-10Vanaloginput M128-pin
12-24Vslow-signalinput M124-pin Opto-isolated
Relay M124-pin 30VDC2Amaximum
QWIICconnector expansioncard 3.3VI2C
TheMonitorOneincludesaM128-pinmaletoflyingleadscable,1500±20mm(about60inchesor5
feet).ThisisusedtopowertheMonitorOne,andalsousethe4-20mA,0-10Vanalogin,CANbus,
andRS485(Modbus)interfaces.
I/OCARDM128-PINTOFLYINGLEADS

Lookingatthepinsontheendoftheconnectoronthecable
|ConnP1(M12)|Color|Function|GPIO||:---:|:---:|:---|:---|:---:||1|White|CAN_P|||2|Red|VIN
(6-30VDC)|||3|Green|4-20mAinput|A7||4|Yellow|0-10Vinput|A6||5|Gray|RS485_N|||6
|Pink|RS485_P|||7|Blue|CAN_N|||8|Black|Ground||
Alsoincludedisanadapterfromscrewterminalstoa5.5x2.1mmbarreljack,centerpositive.Ifyou
disconnectandreconnecttheadapter,makesurethe+screwterminalisconnectedtoredandthe
-screwterminalisconnectedtoblack.Anappropriate24VDCpoweradapterisincluded.
Any6VDCto30VDCpoweradapterat2Awitha5.5x2.1mmbarrelconnector,centerpositivecanbe
usedinstead,ifdesired.Forautomotiveuse,youcanusethispowerinputdirectlytoa12Vor24V
vehiclepowersystemasthepowersupplyisdesignedtohandletransientvoltagepresenton
vehiclepowersystems.
TheRS485andCANinterfacepinsontheM128-pinconnectorcannotbeusedasGPIO.
TheMonitorOneincludesaM124-pinmaletoflyingleadscable,1500±20mm(about60inchesor5
feet).
|ConnP1(M12)|Color|Function|GPIO||:---:|:---:|:---|:---|:---:||1|Red|12-24Vslow-signalinput|
A5||2|Green|RelayCOM|||3|Black|Ground|||4|Blue|Relay(NO)|NFC_PIN2|
I/OCARDM124-PINTOFLYINGLEADS

Label Details
1 Prototypingarea
2 PowerLED(LED1)
3 RESETandMODEbuttons
4 QWIIC(I2C)connector
5 RS-485120ohmterminationresistorenable(JP3)
6 RS-485pull-upresistor(JP4)
8 RS-485pill-downresistor(JP5)
9 CAN_5VLED(LED3)
10 RelayenergizedLED(LED2)
11 CANterminationresistorenable(JP9)
12 CANterminationcapacitorenable(JP10)
13 Slow-signalinput(12-24V)powered(LED4)
14 M128-pinsolderjumpers,locationforprototypingwires
16 ConnectortoM128-pin
17 Slow-signalinput(12-24V)andGND
18 RelayCOMandNO(normallyopen)
19 Accesstoexpansioncardsignals
20 Accesstoexpansioncardsignals
TheM124-pinbulkheadconnectorhasflyingleadsthatareconnectedtothescrewterminals(18)
asfollows:
|M12Pin|Color|Card||:---:|:---:|:---|:---:||1|Red|INPUT||2|Green|COM||3|Black|GND||4
|Blue|NO|
I/OCARDDETAILS
CUSTOMIZINGTHEI/OCARD

IfyouwishtobuildupontheI/OCard,thereisasmallprototypingarea(1).
Ifyouneedsignalsfromtheexpansioncardinterface,theyareavailableintherowsofpins(19,20).
Ifyouwishtodisableaninterfacethatyouarenotusingandre-usethepinsontheM128-pin
connector,thereisasmalltracejumperbetweentherowsofpinsinarea(14).Cuttingthistrace
isolatestheexpansioncardsignalfromthesignaltotheconnector(16).Thenyoucansolderasmall
jumperwiretoreplacethesignalontheM128-pin.
TheEagleCADschematicandboardlayoutfilesfortheI/Ocardcanbefoundinthe MonitorOne
Githubrepository.
Interconnects-I/OCard
BLOCKDIAGRAM-I/OCARD
SCHEMATICS-I/OCARD

RS485-I/OCard
CAN-I/OCard
4-20mA-I/OCard

0-10V-I/OCard
Slowsignalinput-I/OCard

Relay-I/OCard
EEPROM-I/OCard

BOARDLAYOUT-I/OCARD

PrototypeCard
Label Feature
1 QWIIC(I2C)connector
2 RESETandMODEbuttons
3 EEPROM
4 Prototypingarea
5 Accesstoexpansionportsignals
6 Accesstobulkheadconnectorsignals
7 B8B-PHconnector,connecttoM128-pin
8 Screwterminals,connecttoM124-pin
Theleftconnector(7)attachestotheM128-pinconnectorwithashortadaptercable.Youdon't
havetousethiscablesetup,butit'softenconvenienttodoso.
Connector:JSTB8B-PH(rightangle)
Mateswith:JSTPHR-8
ConnectorB8B-PH Color M12Pin Function
8 2 Red VIN(6-30VDC)
7 8 Black Ground
6 6 Pink
5 5 Gray
4 1 White
3 7 Blue
2 4 Yellow
1 3 Green
B8B-PHCONNECTOR

Werecommendthatyoukeeppin8(VIN)andpin7(GND)isthesamepositions.
Otherpinscanbeusedasdesired.
Thepinsontheboardlayoutarenumbered8-1lefttoright,oppositeofhowthepinsonthe
cablearenumbered.
ScrewTerminal Color M12Pin
A Red 1
B Black 3
C Green 2
D Blue 4
Theorderofthesepinsisn'tsignificant,butthisishowtheI/OCardiswired,soitprobablybest
tobeconsistent.
SCREWTERMINALS
SCHEMATICS-PROTOTYPINGCARD


TheEagleCADschematicandboardlayoutfilesfortheprototypecanbefoundinthe MonitorOne
Githubrepository.