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Paramagnetic Oxygen Analyzer

Appendix

Teledyne Analytical Instruments

Appendix

A-1

Specifications

Packaging:

Explosion-proof.

Bulkhead mount.

Sensor:

Paramagnetic Sensor.

Cell Block:

Application dependent.

Ranges:

Three user definable ranges:

0-5% to 0-100% (std. sensor)
0-1% to 0-100% (optional sensor)
Autoranging with range ID output.

Sample System:

Flow indicator visible from front of unit.

Maximum flowrate: 1.1 SLPM

Positive pressure service.

Maximum inlet pressure: 25 psig

Auto Cal / Auto Zero. (Available with

optional, electrically operated valves.)

Alarms:

One system-failure alarm contact to detect

power failure.

Two adjustable concentration threshold

alarms with fully programmable setpoints.

Diagnostics:

Start-up or on-demand self-testing

function.

Response Time:

90% in 10 seconds or less.

Displays:

2 line by 20 alphanumeric, VFD screen,

and one 5 digit LED display.

Digital Interface:

Full duplex RS-232 communications port.

Содержание 3020 M

Страница 1: ...us voltages exist on certain components internally which may persist for a time even after the power is turned off and disconnected Only authorized personnel should conduct maintenance and or servicin...

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Страница 9: ...t of any parts in so far as such alterations do not adversely affect our warranty Important Notice This instrument provides measurement readings to its user and serves as a tool by which valuable data...

Страница 10: ...andard instrument Commonly available options are listed below with check boxes Any that are incorporated in the instrument for which this manual is supplied are indicated by a check mark in the box In...

Страница 11: ...Model 3020M ATEX Teledyne Analytical Instruments iv Blank Page...

Страница 12: ...s for details on the specific danger These cautions warn of specific procedures which if not followed could cause bodily Injury and or damage the instrument CAUTION HOT SURFACE WARNING This warning is...

Страница 13: ...ou through the installation calibration and operation of your new analyzer Please read this manual and keep it available Occasionally some instruments are customized for a particular application or fe...

Страница 14: ...20 9 The customer should ensure that the principles of operating of this equipment are well understood by the user Misuse of this product in any manner tampering with its components or unauthorized su...

Страница 15: ...Ex d IIC Gb cable glands thread adapters and blanking elements must be used This instrument must be externally and internally grounded as per the Wiring Diagram included in the Appendix WARNING DO NOT...

Страница 16: ...ied in the tables of the IEC 60079 1 standard If repairs are needed please contact Teledyne Customer Service at the address below Teledyne Analytical Instruments 16830 Chestnut Street City of Industry...

Страница 17: ...Model 3020M ATEX Teledyne Analytical Instruments vi Blank Page...

Страница 18: ...s xii Introduction 1 1 1 Overview 1 1 2 Typical Applications 1 1 3 Main Features of the Analyzer 1 1 4 Model Designations 2 1 5 Operator Interface 3 1 5 1 UP DOWN Switch 4 1 5 2 ESCAPE ENTER Switch 5...

Страница 19: ...3 3 4 Alarm Relays 28 3 3 5 Digital Remote Cal Inputs 29 3 3 6 Range ID Relays 31 3 3 7 Network I O 31 3 3 8 RS 232 Port 31 3 3 9 Remote Sensor and Solenoid Valves 33 3 4 Gas Connections 34 Operation...

Страница 20: ...nual Mode Spanning 52 4 9 The ALARMS Function 53 4 10 The RANGE Function 55 4 10 1 Setting the Analog Output Ranges 56 4 10 2 Automatic Ranging 56 4 10 3 Fixed Range Analysis 56 4 11 The CONTRAST Func...

Страница 21: ...ersion 12 Figure 2 2 Sensor rear view shown 13 Figure 2 3 Flow Diagram 17 Figure 2 4 Block Diagram of the Model 3020M Electronics 19 Figure 3 1 Mounting the Analyzer 22 Figure 3 2 Flame Paths 23 Figur...

Страница 22: ...Oxygen Analyzer Teledyne Analytical Instruments xi Figure 5 1 Major Internal Components 0 1 Version with Auto Cal and optional Gas Panel and Flowmeter shown 60 Figure 5 2 Removing Fuse Cap and Fuse fr...

Страница 23: ...ical Instruments xii List of Tables Table 3 1 Analog Concentration Output Example 27 Table 3 2 Analog Range ID Output Example 28 Table 3 3 RS 232 Signals 32 Table 3 4 Commands via RS 232 Input 32 Tabl...

Страница 24: ...l applications of the Model 3020M are Monitoring inert gas blanketing Air separation and liquefaction Chemical reaction monitoring Semiconductor manufacturing Petrochemical process control Quality ass...

Страница 25: ...rest Two adjustable concentration alarms and a system failure alarm Extensive self diagnostic testing at startup and on demand with continuous power supply monitoring RS 232 serial digital port for us...

Страница 26: ...rface All controls and displays on the standard 3020M are accessible from outside the housing The instrument has two simple operator controls The operator has constant feedback from the instrument thr...

Страница 27: ...ed to select the function to be performed Choose UP or DOWN to scroll through the following list of eleven functions Auto Cal Set up an automatic calibration sequence PWD Install a password to protect...

Страница 28: ...ric VFD screen into the instrument Escape Moves VFD display back to the previous screen in a series If none remains returns to the Analyze screen With subfunction selected moves VFD back through items...

Страница 29: ...zing Difference Between LCD VFD LCD has GREEN background with BLACK characters VFD has DARK background with GREEN characters In the case of VFD NO CONTRAST ADJUSTMENT IS NEEDED 1 7 Equipment Interface...

Страница 30: ...efly here and in more detail in Chapter 3 Installation Figure 1 3 Electrical Connector Panel Power Connection 115 or 230 VDC 50 or 60 Hz Analog Outputs 0 1 VDC concentration plus 0 1 VDC range ID and...

Страница 31: ...ontacts Four separate dedicated range relay contacts Low Medium High Cal Network I O Serial digital communications for local network access For future expansion Not implemented at this printing 1 7 2...

Страница 32: ...eparate fittings for zero span and sample gas input plus internal valves for automatically switching the gases in sync with the 3020M electronics Note If you require highly accurate Auto Cal timing us...

Страница 33: ...Introduction Model 3020M ATEX Teledyne Analytical Instruments 10 Blank Page...

Страница 34: ...ise Paramagnetic Sensor 2 2 1 Principles of Operation The heart of the 3020M is a paramagnetic type oxygen sensor that is maintenance free and has a long lifetime Both the standard 3020M sensor P N S1...

Страница 35: ...of sample gas is proportional to the partial pressure of oxygen in the sample gas The sensor enclosure is temperature controlled to 55 C to insure that the magnetic susceptibility of oxygen in the sa...

Страница 36: ...sensor is roughly calibrated to be 0 to 1 volt DC for the range of 0 to 100 O2 The true calibration of the sensor is carried out by the microprocessor as described later in Chapter 4 The electrical in...

Страница 37: ...er Pin out 0 1 Version P1 Pin No Description 1 Remote Zero pot CCW Optional 2 Remote Zero pot CW Optional 3 Remote Zero pot WIPER Optional 4 0V Internally connected 5 Supply 0V 6 Supply 5V 7 Remote Sp...

Страница 38: ...er gases can be ignored but significant errors can occur when the sensor is calibrated with a mixture of oxygen and nitrogen and the sample gas consists mainly of other gases with considerable magneti...

Страница 39: ...0 O2 Cross Interference Value Zero Point Value 0 0 137 0 137 O2 2 4 Sample System The Model 3020M sample system is designed and fabricated to ensure that the oxygen concentration of the gas is not alt...

Страница 40: ...maintained at about 300 cc minute Range 50 600cc m and must exit freely into atmospheric pressure Figure 2 3 is the flow diagram for the sampling system In the standard instrument shown on the right c...

Страница 41: ...yzer electronics In the presence of oxygen the chamber is rotated in the magnetic field but the cell generates a current to counter torque the oxygen action This current is converted to a voltage whic...

Страница 42: ...ATURE CONTROLLER WILL AFFECT OTHER PARAMETERS IN THE MEASURING PROCESS ALWAYS CHECK WITH TELEDYNE CUSTOMER SERVICE BEFORE MAKING ANY TEMPERATURE CONTROLLER ADJUSTMENTS Refer to the included manual for...

Страница 43: ...Operational Theory Model 3020M ATEX Teledyne Analytical Instruments 20 Blank Page...

Страница 44: ...o contains the overall dimensions Do not forget to allow an extra 1 3 8 for the hinges The 3020M MUST be mounted in an upright position as shown in Figure 3 1 The paramagnetic sensor is orientation se...

Страница 45: ...ation The ground wire must be the largest conductor in the installation We recommended a wire size of 10 18 AWG for the power conductor wiring and so the ground wire size must be at least 10 AWG or he...

Страница 46: ...Paramagnetic Oxygen Analyzer Installation Teledyne Analytical Instruments 23 Figure 3 2 Flame Paths Figure 3 3 Required Front Door Clearance...

Страница 47: ...AUTION ALL ENTRIES MUST BE PROPERLY SEALED PRIOR TO PLACING THE ANALYZER INTO SERVICE 3 3 Electrical Connections Figure 3 5 shows the Model 3020M Electrical Connector Panel There are terminal blocks f...

Страница 48: ...ome in contact with fingers tools or clothing during normal operation The instrument must be grounded both internally and externally as per the Wiring Diagram in the Appendix 3 3 1 Primary Input Power...

Страница 49: ...n The fuse holders accept 5 x 20 mm 4 A type 250VAC fuses Fuses are not installed at the factory Be sure to install the proper fuse as part of installation See Fuse Replacement in Chapter 5 maintenanc...

Страница 50: ...ir Cal Range Examples The analog output signal has a voltage which depends on the oxygen concentration AND the currently activated analysis range To relate the signal output to the actual concentratio...

Страница 51: ...ge Voltage V Current mA LO 0 25 8 MED 0 50 12 HI 0 75 16 CAL 0 25 1 00 20 3 3 4 Alarm Relays There are three alarm circuit connectors on the alarm relays block under RELAY OUTPUTS for making connectio...

Страница 52: ...be configured as failsafe or non failsafe Can be configured as latching or non latching Can be configured out defeated System Alarm Actuates when DC power supplied to circuits is unacceptable in one...

Страница 53: ...lves automatically operate synchronously Cal Contact This relay contact is closed while analyzer is spanning and or zeroing See Remote Calibration Protocol below Remote Calibration Protocol To properl...

Страница 54: ...e gas flow 3 3 6 Range ID Relays There are four dedicated RANGE ID CONTACT relays The first three ranges are assigned to relays in ascending order Low range is assigned to RANGE 1 ID Medium range is a...

Страница 55: ...The range in use HI MED LO The span of the range 0 100 etc Which alarms 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 an...

Страница 56: ...ENSOR connector is not used and the SOLENOID RETURN connectors are used without the C option to synchronize external gas control valves See Figure 3 9 Figure 3 9 Remote Solenoid Return Connector Pinou...

Страница 57: ...vailable to meet customer requirements Contact Teledyne Customer Service for additional information WARNING OPERATING THE UNIT WITHOUT RESTRICTORS WOULD CREATE AN UNSAFE OPERATING CONDITION AND IS PRO...

Страница 58: ...reater flow is required for improved response time install a bypass in the sampling system upstream of the analyzer input Note If the unit is for vacuum service the above numbers apply instead to the...

Страница 59: ...t the factory Function Value Description hPb 3 1 Heater proportional band setting ti 455 Setting for time integral for the output td 114 Setting for time derivative for the output o tb 1 1 Time base o...

Страница 60: ...37 Check that the voltage selector switch on the Electrical Connector Panel is in the appropriate position for your power source Power up the system and test it by performing the following operations...

Страница 61: ...Installation Model 3020M ATEX Teledyne Analytical Instruments 38 Blank Page...

Страница 62: ...m operation latching failsafe etc Establish a security password if desired requiring Operator to log in Before you configure your 3020M these default values are in effect Ranges LO 0 5 MED 0 25 HI 0 1...

Страница 63: ...el in a series of screens used in the Setup Mode to configure the analyzer for the specific application The DOWN UP commands scroll through the options displayed on the VFD screen The selectable optio...

Страница 64: ...ch alarm will be active or defeated HI or LO acting latching or not and failsafe or not 9 RANGE Used to set up three analysis ranges that can be switched automatically with auto ranging or used as ind...

Страница 65: ...he selected option is a function or subfunction ENTER moves the display to the VFD screen for that function or subfunction When the selected option is a modifiable item the DOWN UP control can be used...

Страница 66: ...ally zero and span the instrument Note If you require highly accurate timing of your AUTO CAL use external AUTO CAL control where possible The internal clock in the Model 3020M is accurate to 2 3 Acco...

Страница 67: ...rt on alarm conditions without entering the password Only one password can be defined After a password is assigned the operator must log out to activate it Until then anyone can continue to operate th...

Страница 68: ...you have clearance to proceed PWD Restrictions Removed In a few seconds if you do not ESCAPE you will be given the opportunity to change this password or keep it and go on Change Password ENT Yes ESC...

Страница 69: ...When you have finished typing the new password the last ENTER enters it A verification screen appears The screen will prompt you to retype your password for verification A A A A A Retype PWD To Verif...

Страница 70: ...RSION and ENTER The screen displays the manufacturer model and software version information 4 7 The SELF TEST Function The Model 3020M has a built in self testing diagnostic routine Preprogrammed sign...

Страница 71: ...onics and internal and external sampling system and improve performance beyond published specification limits The analyzer is calibrated using zero and span gases Any suitable oxygen free gas can be u...

Страница 72: ...ble range for zero Make sure the zero gas is connected to the instrument 4 8 1 1 AUTO MODE ZEROING Press Zero to enter the zero function mode The screen allows you to select whether the zero calibrati...

Страница 73: ...Enter to begin the zero calibration After a few seconds the first of five zeroing screens appears The number in the upper left hand corner is the first stage zero offset The microprocessor samples the...

Страница 74: ...Follow the instructions in section 4 4 to enter your password Once you have gained clearance to proceed you can ENTER the ZERO or SPAN function 4 8 2 Span Cal SPAN is used to span calibrate the analyz...

Страница 75: ...n Then the instrument automatically returns to the ANALYZE mode 4 8 2 2 MANUAL MODE SPANNING ENTER SPAN from the MAIN MENU to start the SPAN function The screen that appears allows you to select wheth...

Страница 76: ...eres resistive load at 250 V ac See Figure in Chapter 3 Installation and or the Interconnection Diagram included at the back of this manual for relay terminal connections The system failure alarm has...

Страница 77: ...non latching mode the alarm status will terminate when process conditions revert to non alarm conditions 4 Are either of the alarms to be defeated The defeat alarm mode is incorporated into the alarm...

Страница 78: ...or UP two times Toggle it to Y and then back to N OR Go to Ltch and then assert either DOWN two times or UP two times Toggle it to N and back to Y Note In this screen ENTER moves you through the field...

Страница 79: ...og Output Ranges To set the ranges ENTER the RANGE function mode by selecting RANGE from the MAIN MENU The RANGE screen appears L 5 00 M 25 0 H 100 00 Mode AUTO Use the DOWN UP control to the range to...

Страница 80: ...ysis on a fixed range if the oxygen concentration rises above the upper limit as established by the setup for that particular range the output saturates at 1 VDC 20 mA at optional mA dc output However...

Страница 81: ...Mode This is the normal operating mode of the analyzer In this mode the analyzer is monitoring the sample measuring and displaying the amount of oxygen and reporting alarm conditions Normally the Ver...

Страница 82: ...PRESENT All internal components are accessed by unbolting and swinging open the front cover as described earlier The major internal component locations are shown in Figure 5 1 which shows the 0 1 vers...

Страница 83: ...nual for details Figure 5 1 Major Internal Components 0 1 Version with Auto Cal and optional Gas Panel and Flowmeter shown To swing open the cover panel remove all screws 5 3 Cell Replacement The para...

Страница 84: ...ocated inside the explosion proof housing on the Electrical Connector Panel as shown in Figure 5 2 To replace a fuse 1 Disconnect the Unit from its power source 2 Place a small screwdriver in the notc...

Страница 85: ...lts are displayed Power OK Analog OK Preamp 3 The module is functioning properly if it is followed by OK A number indicates a problem in a specific area of the instrument Refer to Table 5 1 for number...

Страница 86: ...visible from front of unit Maximum flowrate 1 1 SLPM Positive pressure service Maximum inlet pressure 25 psig Auto Cal Auto Zero Available with optional electrically operated valves Alarms One system...

Страница 87: ...45 C Accuracy 1 of full scale at constant temperature 5 of full scale over operating temperature range on factory default analysis ranges once thermal equilibrium has been achieved Analog outputs 0 1...

Страница 88: ...295A Main PCB STD 1 D70046A Main PCB 0 1 4 F1295 Fuse 4A 250V 5x20 mm T Slow Blow Note Orders for replacement parts should include the part number if available and the model and serial number of the i...

Страница 89: ...Appendix Model 3020M ATEX Teledyne Analytical Instruments 66 A 3 Drawing List C94974 Outline Drawing D94906 D94907 Wiring Diagrams B95024 Piping Diagram D94409 C94905 Interconnection Diagrams...

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Страница 91: ...IA 91748 USA Teledyne Analytical Instruments INFORMATION IT IS NOT TO BE COPIED REPRODUCED OR USED WITHOUT WRITTEN PERMISSION THIS DRAWING IS THE PROPERTY OF TELEDYNE ANALYTICAL INSTRUMENTS AND CONTAI...

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Страница 93: ...RS SAMPLE FLOW RESTRICTORS 3020 WITH OPTIONAL AUTO CAL VALVES AND GAS PANEL A 4 B 3 C D 4 3 2 1 C DWG NO SHEET REV A B REVISIONS SEE SHEET 1 2 C 1 D 94974 0 2 OF 2 Use and Disclosure of Data Informati...

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Страница 95: ...Use and Disclosure of Data Information contained herein is classified as EAR99 under the U S Export Administration Regulation Export reexport or diversion contrary to U S law is prohibited...

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Страница 97: ...U S Export Administration Regulation Export reexport or diversion contrary to U S law is prohibited Use and Disclosure of Data Information contained herein is classified as EAR99 under the U S Export...

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Страница 99: ...D Use and Disclosure of Data Information contained herein is classified as EAR99 under the U S Export Administration Regulation Export reexport or diversion contrary to U S law is prohibited...

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Страница 101: ...D Use and Disclosure of Data Information contained herein is classified as EAR99 under the U S Export Administration Regulation Export reexport or diversion contrary to U S law is prohibited...

Страница 102: ......

Страница 103: ...D Use and Disclosure of Data Information contained herein is classified as EAR99 under the U S Export Administration Regulation Export reexport or diversion contrary to U S law is prohibited...

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Страница 105: ...C TELEDYNE...

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