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1-10 Part II

1 Operational Theory

Model 6000A

Teledyne Analytical Instruments

Photodetector and Preamplifier PCB

1.7

Sample Systems

Below are sample systems that deliver gases to the 6000/6020 sample

cell of the Analysis Unit. Depending on the mode of operation either
sample or calibration gas is delivered.

Detector

Chopper Motor

Span/Zero Flag

and Solenoid

M/R Filter Wheel

Содержание 6000A

Страница 1: ...YSTEM PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST FOR A TIME EVEN AFTER THE POWER IS TURNED OFF...

Страница 2: ...t of any parts in so far as such alterations do not adversely affect our warranty ImportantNotice This instrument provides measurement readings to its user and serves as a tool by which valuable data...

Страница 3: ...iii Photometric Analyzer Teledyne Analytical Instruments Table of Contents Specific Model Information iv Preface v Part I Control Unit Part I 1 1 Part II Analysis Unit Part II 1 1 Appendix A 1...

Страница 4: ...iv Model 6000A Teledyne Analytical Instruments...

Страница 5: ...Part I i Part I Control Unit Teledyne Analytical Instruments OPERATING INSTRUCTIONS Model 6000A Photometric Analyzer Part I Control Unit Panel Mount...

Страница 6: ...System 2 10 3 Operation 3 1 Introduction 3 1 3 2 Using the Data Entry and Function Buttons 3 1 3 3 The System Function 3 4 3 3 1 Setting up an Auto Cal 3 4 3 3 2 Password Protection 3 6 4 3 2 1 Enter...

Страница 7: ...ms Function 3 20 3 6 The Range Select Function 3 22 3 6 1 Manual Select Define Range Screen 3 23 3 6 2 Auto Screen 3 23 3 6 3 Precautions 3 24 3 7 The Analyze Function 3 25 3 8 Programming 3 26 3 8 1...

Страница 8: ...iv Part I Model 6000A Photometric Analyzer Teledyne Analytical Instruments...

Страница 9: ...a nonhazardous environment only The Analysis Unit or Remote Section can be designed for a variety ofhazardousenvironments 1 2 Typical Applications A few typical applications of the Model 6000A are Oi...

Страница 10: ...ally select the proper preset range for a given measurement Manual override allows the user to lock onto a specific range of interest Twoadjustableconcentrationalarmsandasystemfailurealarm Extensive s...

Страница 11: ...e used to change the specific function performed by the analyzer Analyze Perform analysis for concentration content of a sample System Performsystem relatedtasks describedindetailinchapter 3 Operation...

Страница 12: ...screen is an easy to use interface between operator and analyzer It displays values options and messages for immediate feedback to the operator Power Button The button switches the instrument power b...

Страница 13: ...Part I 1 5 Photometric Analyzer Part I Control Unit Teledyne Analytical Instruments Figure 1 2 Model 6000A Rear Panel...

Страница 14: ...mote Span Zero Digital inputs allow external control of analyzercalibration Calibration Contact To notify external equipment that instrument is being calibrated and readings are not monitoring sample...

Страница 15: ...ered in Part II of this manual 2 1 Unpacking the Control Unit The analyzer is shipped with all the materials you need to install and prepare the system for operation Carefully unpack the Control Unit...

Страница 16: ...ntrols are mounted on the inner control panel door which is hinged on the left edge and doubles as a door to provide access to the internal components of the instrument The door will swing open when t...

Страница 17: ...wer communications and both digital and analog signal outputs are described in the following paragraphs Wire size and maximum length data appear in the Drawings at the back of this manual Figure 2 3 I...

Страница 18: ...eceptacle is not used Fuses are not installed at the factory Be sure to install the proper fuse as part of installation See Fuse Replace ment in chapter 5 maintenance Analog Outputs There are four ter...

Страница 19: ...rrently selected analysis range For example if the analyzer is set on a range that was defined as 0 10 then the output would be as shown in Table 2 1 Table 2 1 Analog Concentration Output Examples Ana...

Страница 20: ...acts Each provides a set of Form C contacts for each type of alarm Each has both normally open and normally closed contact connections The contact connections are indicated by diagrams on the rear pan...

Страница 21: ...erminal block They accept 0 V OFF or 24 V dc ON for remote control of calibration See Remote Calibration Protocol below Zero Floating input 5 to 24 V input across the and terminals puts the analyzer i...

Страница 22: ...remove the zero command 3 When CRC opens again send a span command until the CRC closes The CRC will quickly close 4 When the CRC closes remove the span command When CRC opens again zero and span are...

Страница 23: ...range 0 100 etc Which alarm if any are disabled AL x DISABLED Which alarms if any are tripped AL x ON Each status output is followed by a carriage return and line feed Three input functions using RS 2...

Страница 24: ...luded in the system 2 4 Testing the System After The Control Unit and the Analysis Unit are both installed and interconnected and the system gas and electrical connections are complete the system is r...

Страница 25: ...tion cycle if desired RoutineOperation Calibratetheinstrument Choose autoranging or select a fixed range of analysis Set alarm setpoints and modes of alarm operation latching fail safe etc Program Rep...

Страница 26: ...iliary tasks Checking model and software version Adjust electronic filter of the signal Displaymoresubfunctions Two of these are for programming reprogramming the analyzer Define gas applications and...

Страница 27: ...CAL Enter Password Define Application Range Select range Display gas use andrange Enter Secure System setup not allowed Span Zero status and setup Span Zero timing and on off Enter Span Zero Solenoid...

Страница 28: ...timer schedule for Zero and Span cycling FILSOL Select Span Zero flag filter or Span Zero solenoid valveforcalibrationmethod TRACK Setthesystemreadingtobeheldorfollowedbythe concentration gasorfilter...

Страница 29: ...blink ZERO or SPAN then press Enter again You won t be able to set OFF to ON if a zero interval is entered A Span Every or Zero Every screen appears Zero schedule OFF Day d Hour h Use arrows to set a...

Страница 30: ...the password in a separate safe location 3 3 2 1 EnteringthePassword Toinstallanewpasswordorchangeapreviouslyinstalledpassword you mustkeyinandENTERtheoldpasswordfirst Ifthedefaultpasswordisin effect...

Страница 31: ...edefaultTAIortheprevious lyassignedpassword orpressEscapetokeeptheexistingpasswordand moveon IfyouchoseEntertochangethepassword thepasswordassignment screenappears Selectnewpassword T A I Enter the pa...

Страница 32: ...videsaconvenientmeansofleavingtheanalyzer inapasswordprotectedmodewithouthavingtoshuttheinstrumentoff By enteringLOGOUT youeffectivelylogofftheinstrumentleavingthesystem protectedagainstuseuntilthepas...

Страница 33: ...NNING DIAGNOSTIC Testing Preamp Cell Whenthetestingiscomplete theresultsaredisplayed Power OK Analog OK Cell 2 Preamp 3 ThemoduleisfunctioningproperlyifitisfollowedbyOK Anumber indicatesaprobleminaspe...

Страница 34: ...to return to the previous screen Select and Enter SET UP toCalibrationModescreen set upwillnotworkwithoutaPCbeingconnected totheanalyzer Selectalgorithm mode AUTO Therearetwowaystolinearize AUTOandMA...

Страница 35: ...deoffinnoise isofvalue theoperatorcoulddecreasethenumberofthedigitalfilter In applicationswherethesignalisnoisy theoperatorcouldswitchtoahigher number theresponsetimeissloweddownthough 90 responsetime...

Страница 36: ...rationandtheotherforSpanlocatedintheDetector housing TomovebetweentheZeroandtheSpanflags usetheRightorLeft arrowkeys FILmeansthatafilterwilldothisparticularcalibration SOL meansthatthesignaltoactivate...

Страница 37: ...ingcalibration The analog outputs are both 0 to 1 volt outputs and both 4 to 20 mA outputs 3 3 10 Calibration Hold Timer Setup ThisCalibrationTimerletstheoperatoradjustthetimetheeinstrument purgesthec...

Страница 38: ...put Calibration Thisfunctionwilllettheoperatorcalibratethe4to20mAanalogoutputto matchthedisplayreading ADMMconfigureasaDCammeterisneeded The DMMshouldbeconnectedacrosstheoutputterminalsofthe4to20mAout...

Страница 39: ...gtheUporDownkeyuntilDMM reads 20 0 mA Press the Enter key when done Therangeofadjustmentisapproximately 10 ofscale 1 6ma Sincethe4to20mAoutputistiedtothe0to1voltoutput thisfunctioncanbe used to calibr...

Страница 40: ...wsyoutoselectwhetherthezero calibrationistobeperformedautomaticallyormanually Usethe arrow keystotogglebetweenAUTOandMANzerosettling StopwhenAUTOappears blinking onthedisplay Selectzero mode AUTO Pres...

Страница 41: ...tof threezeroingscreensappears Thenumberintheupperlefthandcorneristhe first stagezerooffset Themicroprocessorsamplestheoutputatapredeter minedrate SO2 Zero adj 2048 C Zero TheanalyzergoesthroughC Zero...

Страница 42: ...the flow is no more than 200 SCCM d Checktemperaturecontrollerboard e Check gas temperature f Check the Sample Cell for dirty windows Ifnoneoftheabove proceedtoperformanopticalbalanceasdescribedin se...

Страница 43: ...atappearsallows youtoselectwhetherthespancalibrationistobeperformedautomaticallyor manually Selectspan mode MANUAL Usethe keystotogglebetweenAUTOandMANspansettling Stop whenMANappears blinking onthedi...

Страница 44: ...failsafe or non failsafe or they can be defeated altogether Thesetpointsforthealarmsarealsoestablishedusingthisfunction Decidehowyouralarmsshouldbeconfigured Thechoicewilldepend uponyourprocess Consid...

Страница 45: ...oproceed entertheAlarmfunction PresstheAlarmbuttononthefrontpaneltoentertheAlarmfunction Use the keys to choose between or ppm units Then press Enter to movetothenextscreen AL1 1 ppm HI Dft N Fs N Ltc...

Страница 46: ...the System function if linearization is to apply through out the range Furthermore if the limits are too small a part approx 10 or less of the originally linear ized range the linearization will be c...

Страница 47: ...ngeIDoutputs willbe noticed Theautorangingfeaturecanbeoverriddensothatanalogoutputstays ona fixedrangeregardlessofthecontaminantconcentrationdetected Iftheconcen trationexceedstheupperlimitoftherange...

Страница 48: ...r limits but upper limits that differ by approximately an order of magnitude Ranges whose upper limits coincide with the lower limits of the next higher range Ranges where there is a gap between the u...

Страница 49: ...the EscapebuttoninmanycasesalsoswitchestheanalyzerbacktotheAnalyze function Alternatively youcanpresstheAnalyzebuttonatanytimetoreturn toanalyzingyoursample TheAnalyzefunctionscreenshowstheimpuritycon...

Страница 50: ...ion for details Send the rp command to the analyzer 3 Press the System button to start the System function DIG_FILT SELF TEST PWD LOGOUT MORE Use the arrow keys to blink MORE then press Enter AUTOCAL...

Страница 51: ...allstobelow85 offullscaleof thenextlowerrange theinstrumentswitchestothelowerrange Acorrespond ingshiftintheDCconcentrationoutput andintherangeIDoutputs willbe noticed Theautorangingfeaturecanbeoverri...

Страница 52: ...s established by the operator for that particular range the output saturates at 1 V dc or 20 mA However the digital readout and the RS 232 output continue to read regardless of the analog output range...

Страница 53: ...eysto setthepropervaluesateachpoint Dpt INPUT OUTPUT 0 Repeattheaboveprocedureforeachofthedatapointsyouaresetting up toninepoints 0 8 Setthepointsinunitincrements Donotskipnumbers The linearizerwillau...

Страница 54: ...O from the Calibration Mode Select screen TheAutoLinearizeModedataentryscreenappears 19 5 ppm SO2 Input 20 00 5 Use the keys to set the proper value of calibration gas and Enter Repeat this step for e...

Страница 55: ...and fuses andrecalibration WARNING SEE WARNINGS ON THE TITLE PAGE OF THIS MANUAL 4 1 Fuse Replacement 1 Place small screwdriver in notch and pry cover off as shown in Figure 4 1 Figure 4 1 Removing F...

Страница 56: ...system mode 2 Use the arrow keys to move to More and press Enter 3 Use the arrow keys to move to Self Test and press Enter The following failure codes apply Table 4 1 Self Test Failure Codes Power 0...

Страница 57: ...ontrol Units contain the following major components Power Supply Motherboard with Microprocessor RS 232 chip and PreamplifierPCB Front Panel Display Board and Displays 5 digit LED meter 2 line 20 char...

Страница 58: ...connect the instru ment from the power source Close and latch the front panel access door Clean outside surfaces with a soft cloth dampened slightly with plain clean water Do not use any harsh solvent...

Страница 59: ...uments OPERATING INSTRUCTIONS Model 6000A Photometric Analyzer Part II Analysis Unit NEC Type Part Number D 65478 6000A GP Rack Panel Integral or Remote 6000B GP Bulkhead Z Purged in Div II areas Inte...

Страница 60: ...king the Analyzer 1 1 2 2 Installing Connecting the Analyzer 1 1 2 2 1 User Connections 3 1 2 2 2 Electrical Power Connections 1 2 2 2 3 Compressed Air Supply 2 2 2 2 4 Pipe Connections 2 2 2 2 5 Sign...

Страница 61: ...of the I to E Converter Output 3 4 3 5 5 Balancing the Optics for Equal Light Transmission with Zero Fluid in the Sample Cell 3 5 3 5 6 Setup of the Logarithmic Amplifier 3 6 3 5 7 Inverting Amplifier...

Страница 62: ...iv Part II Model 6000A Photometric Analyzer Teledyne Analytical Instruments...

Страница 63: ...s the course of optical energy in the analyzer The optical energy is emitted from a source lamp in the source module passed through the sample cell and received by the sensor which converts the optica...

Страница 64: ...optical filters mounted 180 degrees apart that alternately and continuously rotate into and out of the light beam Sample flows continuously through the sample cell and absorbs optical energy at vario...

Страница 65: ...Part II 1 3 Photometric Analyzer Operational Theory 1 Teledyne Analytical Instruments 6000A Unit Only D 69023...

Страница 66: ...1 4 Part II 1 Operational Theory Model 6000A Teledyne Analytical Instruments 6000B Remote Control Unit 6000B Integral Control Unit...

Страница 67: ...nterest the output of the I to E converting amplifier is fed to the input of a logarithmic amplifier which produces a signal that represents the logarithm of the output signal of the second amplifier...

Страница 68: ...it is a digital circuit which employs a DAC Digital to Analog Converter that can go out of range When the threshold cannot be found oscillation persists this means that measuring and reference peak si...

Страница 69: ...Description Thephotometricanalyzerisgenerallyconstructedforgeneral purpose Model 6000A use and is mounted on a BACKPLATE an open rack or in a closedcubicle 1 6 Photometer Thethreephotometermodulesare...

Страница 70: ...tains a constant anode current in the D2 lamp and controls the voltage across the lamp s cathode filament When power is turned on relay K1 is activated and applies 10 VDC across the filaments After io...

Страница 71: ...u must align a reference mark on the wheel with a reference mark on the shaft When the switch activating disc is removed align with the marks on the switch plate and motor mount when you put it back T...

Страница 72: ...ctor and Preamplifier PCB 1 7 Sample Systems Below are sample systems that deliver gases to the 6000 6020 sample cell of the Analysis Unit Depending on the mode of operation either sample or calibrati...

Страница 73: ...V 51 F 383 MODEL 6000 ANALYZER Hi pressure reduction 0 50 psig for faster response Sample in Inst Air in 90 120 psig V 469 F 1242 Sample Return Eductor pump By Pass Flow 2 20 SCFH Zero in Span in G 3...

Страница 74: ...CELL 100C BACK PRESSURE NOT REQURIED IF RETURN IS STABLE AT 1 0 KG CM2A Span in Differential pressure regulator 3 PSID Fast loop and By Pass Filter 5 microns Zero in By Pass Flowmeter 2 20 GPH Sample...

Страница 75: ...dyne Analytical Instruments Model 6000B Photometric Analyzer with D2 Lamp Model 6000B Photometric Analyzer with D2 Lamp Analysis Bench shown with Integral General purpose bulkhead Control Unit Control...

Страница 76: ...1 14 Part II 1 Operational Theory Model 6000A Teledyne Analytical Instruments...

Страница 77: ...erature Control the system must be installed in an area where the ambient temperature is not permitted to drop below 32 F nor rise above 110 F Regardlessofconfiguration thesystemmustbeinstalledonaleve...

Страница 78: ...ut pipe connec tions On special systems consult the text in the manual that describes your particularsamplesystemindetail 2 2 5 Signal and Alarm Output Connections Signal and alarm output connections...

Страница 79: ...ments of your process Power up the system and test it by performing the following operations 1 Repeat the Self Diagnostic Test 2 4 Calibration 2 4 1 Calibration Fluids Zeroandspanfluidsmustbemadebythe...

Страница 80: ...ection I 2 Injectspanfluidandsettheconcentrationofthespanfluidwith the span procedure referred in section 3 4 section I Method Two 1 Determine the span setting using Method One 2 Activate the span fil...

Страница 81: ...the lamp circuit or its starter Youcandetectalampoffconditionwiththesignalfailurealarmcircuit butyoumustconnecttherelaycontactsfromthealarmtoyourindicatingdevice In addition you will experience an ala...

Страница 82: ...ures empirically because the duration of time that the system runs without attention is related directly to the sample scondition 3 4 Suggested Preventive Maintenance Schedule DAILY 1 Visuallyinspectt...

Страница 83: ...to AC to observe the demodulator switch signals DVM DigitalVoltmeter PC Board Extender Use the PC board extender whenever you need to adjust trimpot Because all PC board connectors are keyed to avoid...

Страница 84: ...analyzer keeps operating within its dynamic range ConnecttheoscilloscopetoTP3 Theoscilloscopedisplaysthemeasur ing and reference pulses in an alternating pattern The display is created by the light pa...

Страница 85: ...l R2onthedetectorPCboard Whenthiscannotbedonebecausebothpeaksare tooshortortoolong searchforscreensmountedinthelight path usuallylocated inaholderonthelightpipewhichinterconnectsthedetectorandsamplemo...

Страница 86: ...tinuously taking the logarithm of the outputsignalofthesecondamplifier Youcanobservetheoutputbyconnecting the scope probe to TP4 The correct wave shape has a rounded negative going pulse that is the s...

Страница 87: ...t and a rotating chopper disc activate themagneticmercuryreedswitch Analuminummotormountingblockhouses a bar magnet This bar magnet is parallel with the mercury chopper switch The chopper disc is a gr...

Страница 88: ...The labels stand for Neutral Ground and Hot This is the AC power strip terminal It feeds AC power to other components of the Model 6000B System such as the D2 lamp power supply heater and temperature...

Страница 89: ...the photodetector DC power for the photodetector preamplifier and control signals for the sole noids and filters The labels stand for 230 VDC This is the negative high voltage fed to the photodetector...

Страница 90: ...3 Maintenance Model 6000A 3 10 Part II Teledyne Analytical Instruments...

Страница 91: ...Display 2 line by 20 alphanumeric VFD accompanied by 5 digit LED display SignalOutput Two 0 1V DC concentration and range ID Two 4 20mADC isolated concentration and range ID RS232 Alarm Two fully pro...

Страница 92: ...epen dent Diurnal Less than 1 per 20o F source detector dependent SampleCell Stainless steel with Quartz window standard Othermaterialsavailable Cell Length 01 to 40 inches Flow Rate 50 to 1500 cc min...

Страница 93: ...roller SampleCell 1 L 179 Source Lamp 5 F 57 Fuse 5A Slo Blo 5 F 14 Fuse 10A Slo Blo 1 P 43 Phototube 2 C87 Sample Cell Window Quartz 6 O81 Viton O Ring 1 A 16776 Accessory Kit 2 F1295 Fuse 4A slo blo...

Страница 94: ...67998 Amplifier PCB Schematic A 38750 Phototube Power Supply Schematic B 36470 DetectorModule PhototubeSchematic B 37533 Detector ConverterPCB PhototubeSchematic B 55819 D2 Power Supply Module Schemat...

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