Gebruiksaanwijzing /service van het product 7300A van de fabrikant Teledyne
Ga naar pagina of 85
i Infrared Gas Analyzer Teledyne Analytical Instruments OPERA TING INSTR UCTIONS Model 7300A Infrared Gas Analyzer P/N M00000 10/13/00 ECO # 00-0000 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.
ii Model 7300A Teledyne Analytical Instruments Copyright © 2000 Teledyne Analytical Instruments All Rights Reserved. No part of this manual may be reproduced, transmitted, transcribed, stored in a re.
iii Infrared Gas Analyzer Teledyne Analytical Instruments Technician Record Sheet Technician Record Sheet Technician Record Sheet Technician Record Sheet Technician Record Sheet The following data is .
iv Model 7300A Teledyne Analytical Instruments.
i Table of Contents Teledyne Analytical Instruments OPERA TING INSTR UCTIONS Model 7300A Infrared Gas Analyzer T ab le of Contents General Pur pose.
ii Model 7300A Infrared Gas Analyzer Teledyne Analytical Instruments Table of Contents 1 Introduction 1. 1 Overview ........................................................................ 1-1 1. 2 T ypical Gas Applications ...........................
iii Table of Contents Teledyne Analytical Instruments 3 Start-up and Theory of Operation ......................................... 3-1 3. 1 Preliminary ..................................................................... 3-1 3. 2 NDIR Analyzer set-up .
iv Model 7300A Infrared Gas Analyzer Teledyne Analytical Instruments 4.4.2 Span Cal ................................................................ 4-19 4.4.2.1 Auto Mode Spanning ..................................... 4-19 4.4.2.2 Manual Mode Spanning .
1-1 Infrared Gas Analyzer Introduction 1 Teledyne Analytical Instruments 1.0 Introduction 1.1 Overview The Teledyne Analytical Instruments Model 7300A Analyzer, is a versatile microprocessor-based instrument. The manual covers the Model 7300A General Purpose 19 ” Panel/Rack mounted analyzer.
1-2 1 Introduction Model 7300A Teledyne Analytical Instruments 1 . 3 Main Features of the Analyzer The Model 7300A Infrared Gas Analyzer is sophisticated yet simple to use.
1-3 Infrared Gas Analyzer Introduction 1 Teledyne Analytical Instruments being measured. There is a direct correlation between absorption and the concentration of the component of interest in the liquid mixture. 1 . 5 NDIR Analyzer The Model 7300A contains an optical system consisting of an infrared (IR) source, sample cell, and detectors.
1-4 1 Introduction Model 7300A Teledyne Analytical Instruments.
Infrared Gas Analyzer Installation 2 2-1 Teledyne Analytical Instruments 2.0 Installation Installation of the Model 7300A Infrared Gas Analyzer includes: 1.
2 Installation Model 7300A 2-2 Teledyne Analytical Instruments placed as close to the sample point as possible and bolted to its supporting surface. When installed as a system with enclosure (non-pane.
Infrared Gas Analyzer Installation 2 2-3 Teledyne Analytical Instruments 2.2.4 Pipe Connections Refer to Appendix Piping Drawings for information about pipe connec- tions. On special systems, consult the text in the manual that describes your particular sample system in detail.
2 Installation Model 7300A 2-4 Teledyne Analytical Instruments 2.3.1 Primary Input Power The power cord receptacle and fuse block are located in the same assembly. Insert the power cord into the power cord receptacle. DANGER: POWER IS APPLIED TO THE INSTRUMENT'S CIR- CUITRY AS LONG AS THE INSTRUMENT IS CON- NECTED TO THE POWER SOURCE.
Infrared Gas Analyzer Installation 2 2-5 Teledyne Analytical Instruments 4 – 20 mA dc % Range: Current rises linearly with concentration, from 4 mA at 0 concentration to 20 mA at full scale. (Full scale = 100% of programmable range.) 4 – 20 mA dc Range ID: 8 mA = Range 1, 12 mA = Range 2, 16 mA = Range 3, 20 mA = Range 4.
2 Installation Model 7300A 2-6 Teledyne Analytical Instruments 6 0.6 13.6 7 0.7 15.2 8 0.8 16.8 9 0.9 18.4 10 1.0 20.0 To provide an indication of the range, the Range ID analog outputs are used. They generate a steady preset voltage (or current when using the current outputs) to represent a particular range.
Infrared Gas Analyzer Installation 2 2-7 Teledyne Analytical Instruments System Alarm: Actuates when DC power supplied to circuits is unacceptable in one or more parameters. Permanently configured as failsafe and latching. Cannot be de- feated. Actuates if self test fails.
2 Installation Model 7300A 2-8 Teledyne Analytical Instruments Table 2-6: Remote Calibration Connections Pin Function 9 + Remote Zero 11 – Remote Zero 10 + Remote Span 12 – Remote Span 40 Cal Cont.
Infrared Gas Analyzer Installation 2 2-9 Teledyne Analytical Instruments 2.3.3.4 Range ID Relays Four dedicated Range ID relay contacts. For any single application they are assigned to relays in ascending order.
2 Installation Model 7300A 2-10 Teledyne Analytical Instruments The voltage from these outputs is nominally 0 V for the OFF and 15 V dc for the ON conditions. The maximum combined current that can be pulled from these output lines is 100 mA. (If two lines are ON at the same time, each must be limited to 50 mA, etc.
Infrared Gas Analyzer Installation 2 2-11 Teledyne Analytical Instruments Table 2-8: Commands via RS-232 Input Command Description as <enter> Immediately starts an autospan. az <enter> Immediately starts an autozero. rp <enter> Allows reprogramming of two System functions: APPLICATION (gas use) and ALGORITHM (linearization).
2 Installation Model 7300A 2-12 Teledyne Analytical Instruments 2 . 5 T esting the System Before plugging the instrument into the power source: • Check the integrity and accuracy of the fluid connections. Make sure there are no leaks. • Check the integrity and accuracy of the electrical connections.
Infrared Gas Analyzer Installation 2 2-13 Teledyne Analytical Instruments 1. Introduce zero fluid and set zero as referred in section 4.4.1 NOTE: When calibrating from 0% to an upper concentration gas, obtain a zero gas (minus the analyte) that typically is as pure as the minimum resolution needed to control to.
2 Installation Model 7300A 2-14 Teledyne Analytical Instruments.
Infrared Gas Analyzer Start-up and Operation 3-1 Teledyne Analytical Instruments 3.0 Start-up and Operation 3.1 Preliminary Before applying power to the system, TAI suggests that the electrical wiring installation be checked against the system input-output diagram.
3 Start-up and Theory of Operation Model 7300A 3-2 Teledyne Analytical Instruments and sample flow between 0.1 to 0.6 SCFH (50-250 cc/min) . Zero standard gas must have a composition similar to sample, an ideally, contains none of the components of interest.
Infrared Gas Analyzer Start-up and Operation 3-3 Teledyne Analytical Instruments are not used during automatic sampling. 3 . 3 Theory of operation 3.3.1 General T he non-dispersive infrared (NDIR) analyzer is one of the major components of the system.
3 Start-up and Theory of Operation Model 7300A 3-4 Teledyne Analytical Instruments These lamps are typically rated for 20,000 hours continuous operation when run in the DC mode (+5VDC). This collimated energy is directed through parallel infrared beams.
Infrared Gas Analyzer Start-up and Operation 3-5 Teledyne Analytical Instruments 3.4 Circuit Description The Teledyne Analytical Instruments IR bench is a multiple wave- length, single beam design.
3 Start-up and Theory of Operation Model 7300A 3-6 Teledyne Analytical Instruments 3 . 5 Digital Signal Processing & Electronics The Model 7300A uses an 8031 microcontroller (Central Processing Unit — CPU) with 32 kB of RAM and 128 kB of ROM to control all signal processing, input/output, and display functions for the analyzer.
Infrared Gas Analyzer Start-up and Operation 3-7 Teledyne Analytical Instruments The CPU also provides appropriate control signals to the Displays, Alarms, and External Valve Controls, and accepts digital inputs for external Remote Zero and Remote Span commands.
3 Start-up and Theory of Operation Model 7300A 3-8 Teledyne Analytical Instruments Piece-wise approximation is the method used to linearize the signal, i.
Infrared Gas Analyzer Start-up and Operation 3-9 Teledyne Analytical Instruments 3.7 AUTOMATIC FUNCTION (Optional) The events talking place during a zero cycle are as follows: l. The zero cycle starts with activation of the calibration contact. The analyzer outputs are held during the zero cycle.
3 Start-up and Theory of Operation Model 7300A 3-10 Teledyne Analytical Instruments.
Infrared Gas Analyzer Operation 4 4-1 Teledyne Analytical Instruments Operation 4. 1 Introduction Although the Model 7300A is usually programmed to your application at the factory, it can be further configured at the operator level, or even, cautiously , reprogrammed.
4 Operation Model 7300A 4-2 Teledyne Analytical Instruments 4 . 2 Using the Controls To get the proper response from these controls, press the desired key (ESCAPE or ENTER — DOWN or UP). To enter the screen menu, press any key. The item that is between arrows on the screen is the item that is currently selectable by pressing the ENTER enter key.
Infrared Gas Analyzer Operation 4 4-3 Teledyne Analytical Instruments Figure 4-1: Hierarchy of Functions and Subfunctions Span/Zero Timing Span/Zero Off/On Span/Zero Off/On Change Yes/No Change Passwo.
4 Operation Model 7300A 4-4 Teledyne Analytical Instruments 4.2.1.2 Setup Mode The MAIN MENU consists of 14 functions you can use to customize and check the operation of the analyzer.
Infrared Gas Analyzer Operation 4 4-5 Teledyne Analytical Instruments 15 OFFSET: This function helps set a non-zero offset to the zero calibration. It is useful when zeroing the analyzer with a background gas that is different than the sample. 16 CAL-INDEPD: Not generally accessed buy the end user.
4 Operation Model 7300A 4-6 Teledyne Analytical Instruments If you do not wish to continue a function, you can abort the session by escaping . Escaping a function takes the analyzer back to the previous screen, or to the ANALYZE Function, depending on the function escaped.
Infrared Gas Analyzer Operation 4 4-7 Teledyne Analytical Instruments 4.3.3 Password Protection Before a unique password is assigned, the system assigns TAI by default. This password will be displayed automatically. The operator just presses the Enter key to be allowed total access to the instrument ’ s features.
4 Operation Model 7300A 4-8 Teledyne Analytical Instruments Press Escape to move on, or proceed as in Changing the Password , below. 4.3.3.2 Installing or Changing the Password If you want to install a password, or change an existing password, proceed as above in Entering the Password .
Infrared Gas Analyzer Operation 4 4-9 Teledyne Analytical Instruments When you have finished typing the new password, press Enter . A verifica- tion screen appears.
4 Operation Model 7300A 4-10 Teledyne Analytical Instruments The self diagnostics are run automatically by the analyzer whenever the instrument is turned on, but the test can also be run by the operator at will. To initiate a self diagnostic test during operation, use the UP/DOWN key to scroll through the MAIN MENU to the SELFTEST and Enter .
Infrared Gas Analyzer Operation 4 4-11 Teledyne Analytical Instruments Dpt INPUT OUTPUT Ø Ø.ØØ Ø.ØØ The leftmost digit (under Dpt ) is the number of the data point being moni- tored. Use the UP/DOWN key to select the successive points. The INPUT value is the input to the linearizer.
4 Operation Model 7300A 4-12 Teledyne Analytical Instruments Hard_offset_C=3015 (This is the raw DAC count of the Coarse zero adjustment. It should read between 0 and 4095) Hard_offset_F=2715 (This is the raw DAC count of the Fine zero adjustment.
Infrared Gas Analyzer Operation 4 4-13 Teledyne Analytical Instruments 6 160 7 320 8 640 9 1280 10 2360 The response time listed above can and will change depending on the application and they merely serve to illustrate the effect of the digital filter.
4 Operation Model 7300A 4-14 Teledyne Analytical Instruments How the offset value is selected: To find out what the offset value should be, the intended zero calibration gas and the mix of the process background gas must be procured.
Infrared Gas Analyzer Operation 4 4-15 Teledyne Analytical Instruments Adjst output to 4ma <ENT> to OK: - 7 Use the Up or Down key to adjust the number on the VFD display. The range of this number is from – 255 to 255. As this number changes, so should the reading of the ammeter.
4 Operation Model 7300A 4-16 Teledyne Analytical Instruments 4 . 4 The Zero and Span Functions (1) The Model 7300A can have as many as three analysis ranges plus a special calibration range (Cal Range); and the analysis ranges, if more than one, may be programmed for separate or identical gas applications.
Infrared Gas Analyzer Operation 4 4-17 Teledyne Analytical Instruments If you want to calibrate ALL of the ranges at once (multiple application analyzers only), use auto mode zeroing in the Cal Range. Make sure the zero gas is flowing to the instrument.
4 Operation Model 7300A 4-18 Teledyne Analytical Instruments 4.4.1.2 Manual Mode Zeroing Scroll to Zero and enter the Zero function. The screen that appears allows you to select between automatic or manual zero calibration. Use the UP/DOWN keys to toggle between AUTO and MAN zero settling.
Infrared Gas Analyzer Operation 4 4-19 Teledyne Analytical Instruments b. Check for leaks downstream from the sensor, where contamina- tion may be leaking into the system. c. Check flowmeter to ensure that the flow is no more than 200SCCM d. Check temperature controller board.
4 Operation Model 7300A 4-20 Teledyne Analytical Instruments ENTER will move the blinking field to units (%/ppm). Use UP/DOWN key to select the units, as necessary. When you have set the concentration of the span gas you are using, Enter to begin the Span calibration.
Infrared Gas Analyzer Operation 4 4-21 Teledyne Analytical Instruments is pressed, the Span reading changes to the correct value. The instrument then automatically enters the Analyze function. 4 . 5 The Alarms Function The Model 7300A is equipped with 6 fully adjustable set points concentra- tion with two alarms and a system failure alarm relay.
4 Operation Model 7300A 4-22 Teledyne Analytical Instruments 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 circuit so that maintenance can be performed under conditions which would normally activate the alarms.
Infrared Gas Analyzer Operation 4 4-23 Teledyne Analytical Instruments the number. Holding down the key speeds up the incrementing or decrementing. • After the number (value) has been choosed, use Enter to move the desired parameter. Then use the UP/DOWN keys to change the parameter.
4 Operation Model 7300A 4-24 Teledyne Analytical Instruments Note: If all three ranges are currently defined for different applica- tion gases, then the above screen does not display (because mode must be manual). Instead, the VFD goes directly to the following screen.
Infrared Gas Analyzer Operation 4 4-25 Teledyne Analytical Instruments range readings are accurate UNLESS the application uses linearization over the selected range.
4 Operation Model 7300A 4-26 Teledyne Analytical Instruments • Ranges that overlap • Ranges whose limits are entirely within the span of an adjoining range. Figure 4-2 illustrates these schemes graphically. Figure 4-2: Examples of Autoranging Schemes 4 .
Infrared Gas Analyzer Operation 4 4-27 Teledyne Analytical Instruments If the concentration detected is over range, the first line of the display blinks continuously. 4. 8 Programming CAUTION: The programming functions of the Set Range and Curve Algorithm screens are configured at the facto- ry to the users application specification.
4 Operation Model 7300A 4-28 Teledyne Analytical Instruments In the autoranging mode, the microprocessor automatically responds to concentration changes by switching ranges for optimum readout sensitivity. If the upper limit of the operating range is reached, the instrument automatically shifts to the next higher range.
Infrared Gas Analyzer Operation 4 4-29 Teledyne Analytical Instruments Note: The ranges must be increasing from low to high, for example, if Range 1 is set to 0 – 10 % and Range 2 is set to 0 – 100 %, then Range 3 cannot be set to 0 – 50 % since that makes Range 3 lower than Range 2.
4 Operation Model 7300A 4-30 Teledyne Analytical Instruments Algorithm setup: VERIFY SETUP UP/DOWN to select and Enter VERIFY to check whether the linearization has been accomplished satisfactorily. Dpt INPUT OUTPUT Ø Ø.ØØ Ø.ØØ The leftmost digit (under Dpt ) is the number of the data point being moni- tored.
Infrared Gas Analyzer Operation 4 4-31 Teledyne Analytical Instruments From the MAIN MENU Screen — 1. Use UP/DOWN to select ALGORITHM , and Enter . 2. Select and Enter SETUP . 3. Select MANUAL from the Calibration Mode Select screen. Dpt INPUT OUTPUT 1 Ø.
4 Operation Model 7300A 4-32 Teledyne Analytical Instruments Note: The span gas use to span the analyzer must be >90% of the range being analyzed. Before starting linearization, perform a standard calibration. See section 4.4. To enter data: From the MAIN MENU screen — 1.
Infrared Gas Analyzer Operation 4 4-33 Teledyne Analytical Instruments tivity of the binary gas, the analyzer would normally be set up so that the 100% oxygen (0% argon) concentration would correspond to the zero level (4mA 0 V) of the output signal. Then, 85% oxygen (15% argon) would correspond to 20mA (1 V) in the signal output.
4 Operation Model 7300A 4-34 Teledyne Analytical Instruments Select STANDBY to restart the system. 4.9.3 Gain Preset NOTE: This function will apply only for the analizer that has multiple range and non-linearity. For nonlinear application, the signal produced by the infrared detector, will not correspond to the actual gas concentration.
Infrared Gas Analyzer Maintenance 5 5-1 Teledyne Analytical Instruments 5.0 Maintenance Aside from normal cleaning and checking for leaks at the gas connec- tions, routine maintenance is limited to replacing filter elements and fuses, and recalibration.
5 Maintenance Model 7300A 5-2 Teledyne Analytical Instruments 4. Reassemble Housing as shown in Figure 5-1. American Fuses European Fuses Figure 5-2: Installing Fuses 5 .1 Routine Maintenance The 7300A should be inspected on a regular schedule to be determined by the maintenance personnel.
Infrared Gas Analyzer Maintenance 5 5-3 Teledyne Analytical Instruments 5.3 NDIR Analyzer Measurement Cell The Infrared Analyzer contains an auto zero circuit which automatically zeroes the analyzer.
5 Maintenance Model 7300A 5-4 Teledyne Analytical Instruments Table 5-1: Self Test Failure Codes Power 0O K 1 5 V Failure 2 15 V Failures 3 Both Failed Analog 0O K 1 DAC A (0 – 1 V Concentration) 2 DAC B (0 – 1 V Range ID) 3 Both Failed Preamp 0O K > 0 Amplifier failure high offset (number is a code that pinpoint which gains are at fault).
Infrared Gas Analyzer Maintenance 5 5-5 Teledyne Analytical Instruments Figure 5-3: Cell Assembly WARNING: HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PER- SIST FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
5 Maintenance Model 7300A 5-6 Teledyne Analytical Instruments 5.6 T roubleshooting 5.7 General This section contains information on the assembly and the electronic sections of the Model 7300A Infrared Analyzer.
Infrared Gas Analyzer Maintenance 5 5-7 Teledyne Analytical Instruments 5.8 TROUBLE SHOO TING CHART SYMPTOM CORRECTIVE ACTION A . Unit does not turn ON (a) Check AC voltage at inlet for when actuating Power correct voltage. Reset breaker Switch (Motor does not or switch to supply power to turn).
5 Maintenance Model 7300A 5-8 Teledyne Analytical Instruments C. Meter reads Negative (a) ZERO control may be misadjusted. (with zero gas flowing Adjust control to bring indication through analyzer) up to zero. (refer to Section 4). (b) If zero indication unattainable with ZERO control centered, monitor TP6 on preamp board.
Infrared Gas Analyzer Maintenance 5 5-9 Teledyne Analytical Instruments (b) Chopper hitting housing. (c) Noisy detector. (d) AC pickup at printed circuit board. (e) Optical unit not grounded to cabinet. (f) Detector connections loose. (g) Faulty preamplifier board.
5 Maintenance Model 7300A 5-10 Teledyne Analytical Instruments.
A-1 Infrared Gas Analyzer Appendix Teledyne Analytical Instruments Appendix A-1 Specifications 7300A Digital Control P ortion : Ranges: Three Programmable Ranges, field selectable within limits (appli.
A-2 Appendix Model 7300A Teledyne Analytical Instruments 7300 Specifications Chemical and petrochemical processes Gas Analysis • Combustion and flue gas processes CO2 0-2% to 0-100% • Pulp and pap.
A-3 Infrared Gas Analyzer Appendix Teledyne Analytical Instruments Recommended 2-Y ear Spare P ar ts List NOTE: Part list may or not be part of your system, due to the wide range of applications implicated.
A-4 Appendix Model 7300A Teledyne Analytical Instruments ATTACHMENT 7300A Quote "Exceptions" and "GAS PHASE Conditions" for this application: 1 Response Time is proportional to sam.
A-5 Infrared Gas Analyzer Appendix Teledyne Analytical Instruments 10 If condensables occur, such as moisture, acid gases, solvents, etc., sample system materials may be compromised for corrosion resis- tance integrity. Special materials may be required.
Een belangrijk punt na aankoop van elk apparaat Teledyne 7300A (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Teledyne 7300A heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Teledyne 7300A vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Teledyne 7300A leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Teledyne 7300A krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Teledyne 7300A bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Teledyne 7300A kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Teledyne 7300A . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
