Teledyne 3000PA Operating Instructions Manual Download

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Percent Oxygen Analyzer

Teledyne Analytical Instruments

OPERATING INSTRUCTIONS FOR

Model 3000

Percent Oxygen Analyzer

P/N M64573

08/06/99

ECO:#99-0323

HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS
MONITORING SYSTEM.

PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM.

HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PER-
SIST FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.

ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND/OR SERVICING.
BEFORE CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED
SUPERVISOR/MANAGER.

DANGER

Summary of Contents for 3000PA

Page 1: ...SENT IN THIS MONITORING SYSTEM PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PER SIST FOR A TIME EVEN AFT...

Page 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...

Page 3: ...ntoallstandardfeatures thismodelalsohas separateportsforzeroandspangases andbuilt in controlvalves Theinternalvalvesareentirelyunderthe controlofthe3000PAelectronics toautomatically switchbetweengases...

Page 4: ...Reactions 2 3 2 2 4 The Effect of Pressure 2 4 2 2 5 Calibration Characteristics 2 4 2 2 6 Micro Fuel Cell Class 2 5 2 3 Sample System 2 6 2 4 Electronics and Signal Processing 2 8 3 Installation 3 1...

Page 5: ...Analysis 4 16 4 7 The Analyze Function 4 17 4 8 Signal Output 4 17 Maintenance 5 1 Routine Maintenance 5 1 5 2 Cell Replacement 5 1 5 2 1 Storing and Handling Replacement Cells 5 1 5 2 2 When to Repla...

Page 6: ...eaks always exist The customer should ensure that the principles of operating of this equipment is well understood by the user Misuse of this product in any manner tampering with its components or una...

Page 7: ...Typical Applications A few typical applications of the Model 3000PA are Monitoringinertgasblanketing Airseparationandliquefaction Chemicalreactionmonitoring Semiconductormanufacturing Petrochemicalpr...

Page 8: ...mand with continuouspower supplymonitoring Two way RFI protection RS 232 serial digital port for use with a computer or other digital communicationdevice Analog outputs for percent of range and for ra...

Page 9: ...as Model 3000PA C V Figure 1 1 Model 3000PA Front Panel 1 5 Front Panel Operator Interface The standard 3000PA is housed in a rugged metal case with all controls and displays accessible from the fron...

Page 10: ...ne remains returns to the Analyze screen Escape Moves VFD display back to the previous screen in a series If none remains returns to the Analyze screen Digital Meter Display The meter display is a LED...

Page 11: ...s DARK background with GREEN characters In the case of VFD NO CONTRAST ADJUSTMENT IS NEEDED 1 7 Rear Panel Equipment Interface The rear panel shown in Figure 1 2 contains the gas and electrical connec...

Page 12: ...ing calibrated and readings are not monitoring sample Range ID Contacts Four separate dedicated range relay contacts Low Medium High Cal Network For future expansion Not implemented atthisprinting Opt...

Page 13: ...essor controls all signal processing input output and display functions for the analyzer 2 2 Micro Fuel Cell Sensor 2 2 1 Principles of Operation The oxygen sensor used in the Model 3000P series is a...

Page 14: ...ely sealed although one end is permeable to oxygen in the sample gas The other end of the cell is a contact plate consisting of two concentric foil rings The rings mate with spring loaded contacts in...

Page 15: ...h have a conductor connecting them to one of the external contact rings on the contact plate which is on the bottom of the cell 2 2 3 Electrochemical Reactions The sample gas diffuses through the Tefl...

Page 16: ...sample has not changed It is therefore important that the sample pressure at the fuel cell usually vent pressure remain constant betweencalibrations 2 2 5 Calibration Characteristics Given that the to...

Page 17: ...l Micro Fuel Cells are listed below with their typical use and electrical specifications 2 2 6 1 Class A 3 Cell The class A 3 cell is for use in applications where it is exposed continu ously to carbo...

Page 18: ...l The class B 1 cell is for use in applications where it is exposed to less than 0 1 of carbon dioxide and where a longer response time is accept able in order to have a longer cell life Nominal outpu...

Page 19: ...flow through the system is monitored by a flow meter downstream from the cell Figure 2 4 shows the piping layout for the standardmodel Figure 2 4 Piping Layout and Flow Diagram for Standard Model Fig...

Page 20: ...ed from a universal power supply module designed to be compatible with any international power source Figure 2 6 shows the location of the power supply and the main electronic PC boards Figure 2 6 Loc...

Page 21: ...digital and digital to analog converters are located on the motherboard at the bottom of the case The preamplifier board is mounted on top of the motherboard as shown in the figure These boards are ac...

Page 22: ...ell output due to the same temperature changes The result is a signal that is temperature independent The output from the second stage amplifier is sent to an 18 bit analog to digital converter contro...

Page 23: ...he shipping agent 3 2 Mounting the Analyzer The Model 3000PA is for indoor use in a general purpose area It is NOT for use in hazardous environments of any type The standard model is designed for flus...

Page 24: ...h upper right corner is pressed all the way in with a narrow gauge tool less than 0 18 inch wide such as a small hex wrench or screwdriver Allow clearance for the door to open in a 90 degree arc of ra...

Page 25: ...or high pressure 5 to 50 psig applica tions use the restrictor that has a blue sticker on the body For pressurized service use the restrictor without the blue dot and union from the restrictor kit and...

Page 26: ...analyzer input Note If the unit is for vacuum service the above numbers apply instead to the vacuum at the EXHAUST OUT connector de scribed below with minus signs before the pressure readings EXHAUST...

Page 27: ...ed The fuses are not installed at the factory Be sure to install the proper fuse as part of installation See Fuse Replacement in chapter 5 maintenance Analog Outputs There are four DC output signal co...

Page 28: ...shold or low actuates when concentrationisbelowthreshold Can be configured as failsafe or nonfailsafe Can be configured as latching or nonlatching Can be configured out defeated Threshold Alarm 2 Can...

Page 29: ...yzer is spanning and or zeroing See Remote Calibration Protocol below Remote Calibration Protocol To properly time the Digital Remote Cal Inputs to the Model 3000PA Analyzer the customer s controller...

Page 30: ...s printing this port is not yet functional RS 232 Port The digital signal output is a standard RS 232 serial communications port used to connect the analyzer to a computer terminal or other digital de...

Page 31: ...ich has no Remote Probe Unit Instead the Remote Probe connector is used as another method for controlling external sample zero span gas valves See Figure 3 6 Figure 3 6 Remote Probe Connector Pinouts...

Page 32: ...e for too long When the micro Fuel Cell needs to be installed or replaced follow the procedures in chapter 5 Maintenance for removing and installing cells 3 5 Testing the System Before plugging the in...

Page 33: ...e analysis ranges Then choose autoranging or select a fixed range of analysis as required Set alarm setpoints and modes of alarm operation latching failsafe etc Before you configure your 3000PA these...

Page 34: ...percent of oxygen and warns of any alarm conditions System The system function consists of six subfunctions that regulate the internal operations of the analyzer Set LCD screen contrast Setup Auto Ca...

Page 35: ...procedures for their use follow the descriptions Auto Cal Used to define an automatic calibration sequence and or start an Auto Cal PSWD Security can be established by choosing a 5 digit password PSW...

Page 36: ...changed back to TBEAI Logout Logging out prevents an unauthorized tampering with analyzersettings More Select and enter More to get a new screen with additional subfunctionslisted Self Test The instru...

Page 37: ...t OFF to ON if a zero interval is entered A Span Every or Zero Every screen appears Span Every 0 d Start 0 h from now Use arrows to set an interval value then use arrows to move to the start time valu...

Page 38: ...the blinking over to PSWD and press Enter to select the password function Either the default TBEAI password or AAAAA place holders for an existing password will appear on screen depending on whether...

Page 39: ...sting pass word and move on If you chose Enter to change the password the password assignment screenappears T B E A I ENT To Proceed or A A A A A ENT To Proceed Enter the password using the arrow keys...

Page 40: ...L 1 Note If you log off the system using the logout function in the system menu you will now be required to re enter the password to gain access to Span Zero Alarm and Range functions 4 3 4 Logout The...

Page 41: ...Use the arrow keys to blink More then press Enter Version Self Test Cell Output A Use the arrow keys again to move the blinking to the Self Test function The screen will follow the running of the dia...

Page 42: ...re to limit the pressure to 40 psig or less when turning it back on Readjust the gas pressure into the analyzer until the flowrate as read on the analyzer s SLPM flowmeter settles between 0 5 and 2 4...

Page 43: ...table and then manually exits thefunction 4 4 2 1 AutoModeSpanning Press Span to enter the span function The screen that appears allows you to select whether the span calibration is to be performed au...

Page 44: ...the value of the digit Press Enter to enter the span value into the system and begin the span calibration Once the span has begun the microprocessor samples the output at a predeterminedrate Itcalcula...

Page 45: ...rises above the setpoint Setting an alarm as LOW triggers the alarm when the oxygen concentration falls below the setpoint Decide whether you want the alarms to be set as Both high high and high high...

Page 46: ...n be changed on this screen Value of the alarm setpoint AL 1 oxygen Out of range direction HI or LO Defeated Dft Y N Yes No Failsafe Fs Y N Yes No Latching Ltch Y N Yes No To define the setpoint use t...

Page 47: ...The autoranging feature can be overridden so that analog output stays on a fixed range regardless of the oxygen concentration detected If the concentration exceeds the upper limit of the range the DC...

Page 48: ...he special 25 cal range Once the oxygen concentration drops back down into your highest range setting the analyzer will automatically switch back to that range CAUTION While the analyzer is in the Air...

Page 49: ...ton in many cases also switches the analyzer back to the Ana lyze function Alternatively you can press the Analyze button at any time to return to analyzing your sample 4 8 Signal Output The standard...

Page 50: ...sary to know what range the instrument is currently on especially when the analyzer is in the autorangingmode To provide an indication of the range a second pair of analog output terminals are used Th...

Page 51: ...s replaced The spent fuel cell should be discarded according to local regulations This section describes fuel cell care as well as when and how to replace it 5 2 1 Storing and Handling Replacement Cel...

Page 52: ...rift downward uncharacteristically try recalibration If recalibration raises the readings temporarily suspect the cell but first check for leaks downstream from the cell where gases may be leaking int...

Page 53: ...nt panel See Figure 5 1 To remove an existing cell 1 Remove power to the instrument by unplugging the power cord at the power source 2 Open the front panel door by pressing the release button on the t...

Page 54: ...5 Maintenance Model 3000P 5 4 Teledyne Analytical Instruments Figure 5 1 Removing or Installing a Micro Fuel Cell...

Page 55: ...fic Model Information and note any Addendum that might be attached to the front of this manual for special information applying to the Cell in your instrument The warranty period for spare cells begin...

Page 56: ...emove the single retaining screw flip Fuse Block over 180 degrees and replace screw 3 Replace fuse as shown in Figure 5 3 4 Reassemble Housing as shown in Figure 5 2 American Fuses European Fuses Figu...

Page 57: ...ther internal components are accessed by removing the rear panel and sliding out the entire chassis See Figure 5 4 below The gas piping is illustrated in Figure 2 4 and the major electronic components...

Page 58: ...ng disconnect 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 s...

Page 59: ...ace the sensor Possible Cause Atmospheric Oxygen may be diffusing in through the vent and affecting the oxygen level which the sensor sees Solution Increase flow rate and or length or vent tubing in o...

Page 60: ...5 Maintenance Model 3000P 5 10 Teledyne Analytical Instruments...

Page 61: ...Others available Cell Block Nylon 90 Response Time 10 seconds at 25 C 77 F Ranges Threeuserdefinablerangesfrom0 1 to 0 100 plus air calibration range of 0 25 Alarms One system failure alarm contact t...

Page 62: ...r operating temperature range on factory default analysis ranges once thermal equilibrium has been reached Analog outputs 0 1 V dcpercent of range Standard 0 1 V dc range ID Standard 4 20 mA dc isolat...

Page 63: ...or Remote Probe Connector 2 O38 O ring 1 C6689 B1 Micro FuelCell foroptionssee __________________ Order B or C not both Check Specific Model Information for cell in your instrument A minimum charge of...

Page 64: ...A 4 Appendix Model 3000PA Teledyne Analytical Instruments Figure A 1 Single and Dual 19 Rack Mounts A 3 Drawing List D 64573 FinalAssembly OutlineDrawing A 4 19 inch Relay Rack Panel Mount...

Page 65: ...s resultinginhigherO2reading andshortercelllife Tousea3000 seriesanalyzeratacellpressureotherthanatmospheric theanalyzermustbe calibratedwithaknowncalibrationgasatthenewcellpressuretoadjustforthe diff...

Page 66: ...the samplelinepriortotherestrictor a60micronfilterisrecommended 3000PAEXAMPLES Example1 withaincoming pressureof10psigthestdrestrictor blue dot willprovideaflowrateof 76SLPM Up streamoftherestrictorth...

Page 67: ...CE Operationwithoutarestrictordeviceisnotrecommendasmentioned above A3000PA withoutanyflowrestrictordevicewastestedon11 19 97 This results in a flow rate of 2 4 SLPM 1 PSIG This is a cv of 0 023 for t...

Page 68: ...e between AUTO and MAN zero settling Stop when AUTO appears blinking on the display Zero Settling AUTO ENT To Begin Press Enter to begin zeroing Zero Slope ppm s The beginning zero level is shown in t...

Page 69: ...n parts per million per second ppm s Zero Slope ppm s NOTE It takes several seconds for the true Slope Slope Slope Slope Slope value to display Wait about 10 seconds Then wait until Slope Slope Slope...

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