Analytical Technology Q46D User manual

ModelQ46D
Optical D.O. Monitor
System
HomeOfficeEuropeanOffice
AnalyticalTechnology,Inc.ATI(UK)Limited
6Iron BridgeDriveUnit 1& 2GateheadBusiness Park
Collegeville, PA 19426 Delph NewRoad, Delph
SaddleworthOL3 5DE
Ph: 800-959-0299Ph: [phone]
610-917-0991
Fax: [phone]Fax: [phone]
Email: [e-mail]: [e-mail]

PRODUCT WARRANTY
AnalyticalTechnology,Inc.(Manufacturer) warrantstothe Customerthatifanypart(s)
ofthe Manufacturer's equipmentprovestobe defectiveinmaterialsorworkmanship
withinthe earlierof18 monthsof the dateof shipmentor12monthsof the dateofstart-
up,suchdefectivepartswillbe repaired orreplacedfreeofcharge.Inspectionand
repairstoproductsthoughttobe defectivewithinthewarrantyperiodwillbe completed
atthe Manufacturer's facilitiesinCollegeville,PA. Productson whichwarrantyrepairs
arerequired shall be shippedfreight prepaidtothe Manufacturer. The product(s)willbe
returnedfreightprepaidandallowed ifitisdeterminedbythe manufacturerthatthe
part(s)failed duetodefectivematerialsorworkmanship.
Thiswarrantydoesnotcoverconsumableitems,batteries,orwearitemssubject
toperiodicreplacement includinglampsandfuses.
Gassensorscarrya12 monthsfromdateofshipmentwarrantyandaresubject
toinspectionforevidenceofmisuse,abuse,alteration,improperstorage,orextended
exposuretoexcessivegasconcentrations.Shouldinspection indicatethatsensors
havefailed duetoanyoftheabove, the warrantyshall notapply.
TheManufacturerassumesnoliabilityforconsequentialdamagesofanykind,
and thebuyerbyacceptanceofthisequipmentwill assumeall liabilityforthe
consequencesofitsuseormisusebythe Customer, hisemployees, orothers. A defect
withinthe meaningofthiswarrantyisanypartofanypieceofaManufacturer's product
whichshall,when suchpartiscapableof beingrenewed,repaired,orreplaced,operate
tocondemnsuchpieceofequipment.
Thiswarrantyisinlieu ofall otherwarranties(includingwithoutlimitingthe
generalityofthe foregoingwarrantiesofmerchantabilityand fitness foraparticular
purpose),guarantees,obligationsorliabilitiesexpressed orimplied bythe Manufacturer
oritsrepresentativesand bystatuteorruleoflaw.
Thiswarrantyisvoidifthe Manufacturer's product(s)hasbeensubjecttomisuse
orabuse,orhasnotbeen operatedorstoredinaccordancewithinstructions,orifthe
serialnumberhasbeenremoved.
AnalyticalTechnology, Inc. makesnootherwarrantyexpressed orimpliedexcept
asstated above.

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Table of Contents
PART1-INTRODUCTION................................5
1.1General................................................ 5
1.2StandardSystem................................. 5
1.3Features.............................................. 5
1.4Q46D/60 SystemSpecifications.......... 6
1.5Q46DPerformanceSpecifications...... 8
PART2– ANALYZERMOUNTING.....................9
2.1General................................................ 9
2.2Wall orPipe Mount........................... 10
2.3PanelMount...................................... 12
PART3– OPTICALD.O.SENSOR....................13
3.1 General.................................................. 13
3.2 Optical Sensing...................................... 14
3.3SubmersionMounting...................... 15
PART4– ELECTRICALINSTALLATION.............17
4.1General.............................................. 17
4.2ACPoweredInstrumentWiring ........ 18
4.5SensorWiring.................................... 22
4.5JunctionBoxConnection................... 24
PART5– CONFIGURATION...........................25
5.1UserInterface................................... 25
5.11Keys................................................... 26
5.12Display............................................... 26
5.2Software............................................ 28
5.21Software Navigation......................... 28
5.22Measure Menu [MEASURE].............. 31
5.23CalibrationMenu [CAL]....................... 32
5.24ConfigurationMenu [CONFIG]......... 33
5.25ControlMenu [CONTROL]................. 38
5.26Diagnostics Menu [DIAG]................... 43
PART6– CALIBRATION.................................48
6.1 General................................................. 48
6.11D.O.SpanCal (1-spl)......................... 48
6.12DissolvedOxygenAir SpanCal (%sat)..
.......................................................... 50
6.13DissolvedOxygenZeroCal................ 51
6.2TemperatureCalibration.................. 52
PART7– PIDCONTROLLER DETAILS..............54
7.1PIDDescription................................. 54
7.2PIDAlgorithm.................................... 54
7.3Classical PIDTuning .......................... 56
7.4Manual PIDOverride Control........... 57
7.5CommonPIDPitfalls......................... 57
PART8– SYSTEMMAINTENANCE.................59
8.1General............................................. 59
8.2AnalyzerMaintenance...................... 59
8.3SensorMaintenance......................... 59
PART9– TROUBLESHOOTING.......................60
9.1General............................................. 60
9.2External SourcesofProblems........... 60
9.3AnalyzerTests................................... 61
9.31DisplayMessages.............................. 62
9.4SensorTests...................................... 64
SPAREPARTS...............................................68

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Table of Figures
FIGURE 1-Q46 ENCLOSURE DIMENSIONS .....................................................................................9
FIGURE 2-WALLOR PIPE MOUNT BRACKET ................................................................................10
FIGURE 3-WALL MOUNTING DIAGRAM ........................................................................................11
FIGURE 4-PIPE MOUNTING DIAGRAM..........................................................................................11
FIGURE 5-PANEL MOUNT INSTALLATION .....................................................................................12
FIGURE 6-SUBMERSIBLE D.O. SENSOR ASSEMBLY .....................................................................13
FIGURE 7-OPTICAL SENSOR ELEMENT .......................................................................................14
FIGURE 8-SUBMERSIBLE SENSOR MOUNTING ASSY ....................................................................15
FIGURE 9-MOUNTING ASSEMBLY DETAIL ....................................................................................16
FIGURE 10 -LINE POWER CONNECTION .......................................................................................19
FIGURE 11 -RELAY CONTACTS ...................................................................................................20
FIGURE 12 -OPTIONAL RELAY BOARD WIRING .............................................................................21
FIGURE 13 -OPTIONAL 3RD ANALOG OUTPUT ..............................................................................21
FIGURE 14 -SENSOR WIRING......................................................................................................23
FIGURE 15 -JUNCTION BOX INTERCONNECT WIRING ....................................................................24
FIGURE 16 -USER INTERFACE.....................................................................................................25
FIGURE 17 -SOFTWARE MAP ......................................................................................................30
FIGURE 18 -CONTROL RELAY HYS &PHASE OPTION ...................................................................41
FIGURE 19 -ALARM RELAY EXAMPLE ..........................................................................................42
FIGURE 20 -Q46 ISA (IDEAL)EQUATION .....................................................................................55
FIGURE 21 -Q46D DISPLAY MESSAGES ......................................................................................63
FIGURE 22 -PT1000 RTD TABLE ................................................................................................65
FIGURE 23 -REFERENCE BAROMETRIC PRESSURE CONVERSION ..................................................66
FIGURE 24 -REFERENCE OXYGEN SOLUBILITY TABLE ..................................................................67

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Part 1 - Introduction
1.1General
TheModelQ46Disaversatileon-line monitoringsystemdesigned forthe
continuousmeasurementofdissolved oxygen insolution.Thefull scale
operatingrangeofthe system0-40 ppm,andthe sensingsystemwill operateon
waterstreamswithtemperaturesrangingfrom0to50°C.
WhiletheQ46Dmaybe usedwitheitheropticaloxygen orgalvanicmembrane
sensors, thismanualisspecificforsystemsutilizingATI’sopticalD.O. sensor.
Q46DMonitorsareavailableintwoelectronicversions,an ACpowered monitor
withintegralalarmrelaysand dual4-20 mAoutputcapability,and a12-24 VDC
unitwithdualoutputand relays.Optionsareavailabletoaddeitherathird4-20
mAoutputor3additionallowpowerSPSTrelays.Inaddition,adigitaloutput
optionforProfibus, Modbus,orEthernet isavailable.
1.2Standard System
ThestandardmodelQ46Dsystemincludestwocomponents,theQ46Danalyzer
and anopticaldissolved oxygen (ODO)sensor.Forconnection ofthe sensorto
the electronics,a30'(9m)cableissupplied.Uptoatotallengthof200 feet(61
m)ofcablemaybe added using#07-0100junction boxand#31-0038 cable.
1.3Features
·Q46Dmonitorsareavailableineither90-260VACor12-24 VDC powersupply
systems. All featuresremainthesameinbothvariations
·Highaccuracy, highsensitivitysystem,measuresfrom0.1ppmto40.0ppm
through2internalautomaticranges.
·Output Hold, Output Simulate, OutputAlarm, and Output DelayFunctions. All
forced changesinoutput conditionincludebumpless transfertoprovide gradual
returntoon-line signallevelsand toavoidsystemcontrolshockson bothanalog
outputs.
·Unitsprovide providesthree SPDTrelayoutputsand twoisolated analog
outputs.Softwaresettingsforrelaycontrolinclude setpoint, deadband,phase,
delay, andfailsafe.

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·SelectablePIDcontrolleron mainanalogoutput. PIDcontrollercanoperatewith
instrument configuredasloop-powertransmitter, orasoneof thetwooutputson
the ACpowered instrument. PIDincludesmanualoperationfeature, and
diagnostic“stuck-controller” timerforrelaynotification ofcontrolproblems.
·SelectableOutput Fail AlarmfeatureonRelayB allowssystemdiagnostic
failurestobesent toexternalmonitoringsystems.
·Large, highcontrast, customLCD displaywithLEDback light providesexcellent
readabilityinanylightconditions. The secondaryline ofdisplayutilizes5x7dot
matrixcharactersforclearmessagedisplay. Twooffourmeasured parameters
maybe on the displaysimultaneously.
·Diagnosticmessagesprovide acleardescription of anyproblemwithno
confusingerrorcodestolookup.Messagesarealsoincluded fordiagnosing
calibration problems.
·Quick andeasyone-point calibration method, air calibrationmethod, andsensor
zero-cal. Toprovide highaccuracy, all calibration methodsincludestability
monitorsthat check temperatureandD.O. stabilitybeforeacceptingdata.
·Highaccuracythree-wirePt1000temperatureinput.Temperatureelement can
be usercalibrated.
·Securitylock featuretoprevent unauthorized tamperingwithtransmittersettings.
All settingscanbeviewed whilelocked,buttheycannot bechanged.
·Highreliability, microprocessor-based systemwithnon-volatilememoryback-up
thatutilizesno batteries. Lowmass, surfacemountPCB constructioncontaining
no adjustment potentiometers. All factorycalibrationsstoredinnon-volatile
EEPROM.
1.4Q46D/60SystemSpecifications
DisplayedParameters Maininput, 0.1ppmto40.0ppm
%Saturation,0to999.9%
Sensortemperature,-10.0to50.0°C(23to122ºF)
Sensor signal, -40to+2000 mVDC
Analogoutputcurrent, 4.00 to20.00mA
Sensor slope/offset
Modelnumberand softwareversion
PIDController Status

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MainParameterRanges Manualselection of one ofthe followingdisplayranges,
0.00 to40.00 ppm or 0.00to40.00 mg/l
0.0to999.9%Saturation
Power 90- 260VAC, 50/60 Hz., 10 VA Maximum
12-24 VDC,500 mAmax.
Enclosure NEMA4X,polycarbonate, stainless steelhardware,
Mounting Options Wall,pipe,orpanelmountstandard.Wall bracketsuitable
foreither1.5” or 2”I.D. U-Boltsforpipe mounting.
Conduit Openings Five½” NPTopenings, Adaptercan beremoved to
provide a1” NPTopening inthebottom ofthe enclosure.
Gland sealsprovided butnotinstalled.
Display 0.75”(19.1mm) high4-digitmaindisplaywithsign
12-digit secondarydisplay, 0.3"(7.6mm)5x7dotmatrix.
IntegralLED back-lightfor visibilityinthe dark.
Relays, Electromechanical: Three SPDT,6amp@250 VAC, 5amp@24VDC
contacts.Softwareselection for setpoint, phase, delay,
deadband, hi-loalarm, and failsafe.A-Bindicatorson
mainLCD,and Cindicator onlower display.
Analog Outputs Two4-20 mAoutputs.Outputone programmablefor PPM
oxygen orPID.Output 2programmableforPPMoxygen,
Temperature, or PID. Maxload 450 Ohmsfor output1and
1000 ohmsforoutput 2.Outputsgroundisolated and
isolated fromeach other.Anadditional3rd analog option is
available.
OptionalDigitalOutput: Profibus DP available,withModbus &Ethernetavailable
soon.
OutputIsolation 600 Vgalvanicisolation
OptionalRelays: Three SPST,[e-mail] for
setpoint,phase, delay, deadband, hi-loalarm, andfailsafe.
Ambient Temperature Analyzer Service, -20 to60 °C (-4to140 ºF)
Sensor Service,-5to55°C(23 to131°F)
Storage,-30to70°C (-22to158 ºF)
Keypad 4-keymembranetype withtactilefeedback, polycarbonate
withUV coating
Filter Adjustable0-9.9minutesadditionaldamping to90%step
input

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TemperatureInput Pt1000 RTDwithautomaticcompensation
Ambient Humidity 0to95%, indoor/outdooruse,non-condensing torated
ambienttemperaturerange
Altitude Upto2000m(6562 ft)
ElectricalCertificationOrdinaryLocation,cCSAus (Certified tobothCSA and UL
standards),pollution degree 2, installation category2
EMI/RFIInfluence Designed toEN 61326-1
Weight 2.4lb.(1.1Kg.)
Sensor Opticaloxygen sensorutilizingfluorescencequenching
technology.Opticalelementlife3-5years.
SensorMaterials Noryl, PVC, and stainless steel
SensorCable Submersible:30ft.(9.1m)
Max.SensorCableLength: 200 feet(61 m), withjunction box
1.5Q46DPerformanceSpecifications
Accuracy 0.5%of selectedrangeor better
Repeatability 0.3%of selectedrangeor better
Sensitivity 0.05%of selectedrange
Non-linearity 0.1%of selectedrange
Warm-up Time 3secondstorated performance (electronics only)
SupplyVoltageEffects ± 0.05%span
InstrumentResponse Time 120 secondsto90%of step inputatlowest damping
Equipmentbearingthismarkingmaynotbediscarded bytraditional
methodsinthe European communityafterAugust12 2005perEU
Directive2002/96/EC.Endusersmustreturnoldequipmenttothe
manufacturerforproperdisposal.

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Part 2 – AnalyzerMounting
2.1General
All Q46 Seriesinstrumentsoffermaximummountingflexibility.Abracketis
includedwitheachunitthatallowsmountingtowallsorpipes.Inall cases,
choosealocation thatisreadilyaccessibleforcalibrations.Alsoconsiderthatit
maybe necessarytoutilizealocation wheresolutionscanbeused duringthe
calibration process.Totakefull advantageofthe highcontrastdisplay,mount
the instrumentinalocation wherethe displaycan be viewed fromvariousangles
and longdistances.
Locatethe instrumentincloseproximitytothe pointofsensorinstallation -this
will alloweasy access duringcalibration.Thesensor-to-instrumentdistance
shouldnotexceed 200feet(61 m).Tomaximizesignal-to-noiseratiohowever,
workwiththe shortestsensorcablepossible.The standardcablelengthofthe
oxygen sensoris30feet.
Figure 1 -Q46 EnclosureDimensions

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2.2Wallor PipeMount
APVCmountingbracketwithattachmentscrewsissuppliedwitheach
transmitter(seeFigure2fordimensions).Themulti-purposebracketisattached
tothe rearoftheenclosureusingthe fourflathead screws.The instrumentis
then attachedtothewall using the fouroutermountingholesinthe bracket.
TheseholesareslottedtoaccommodatetwosizesofU-boltthatmaybe usedto
pipe mountthe unit. Slotswill accommodateU-boltsdesigned for1½“or2”pipe.
Theactualcenter-to-centerdimensionsforthe U-boltsareshowninthedrawing.
NotethattheseslotsareforU-boltswith¼-20 threads.The 1½” pipe U-bolt(2”
I.D.clearance)isavailablefromATIintype 304 stainlesssteelunderpart
number47-0005
Figure 2 -Wall orPipeMount Bracket