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Teledyne Welding Consumables 7600 User's Manual

1. imo 00_ po O0 WE 000 Ee 0n Ag Q00 3 4 ww Scroll O 1 2 ere O0_l mas 00 acl 00 maL O0 0 0 PEAR COUNTER CO 500ppm O times H 5 6 3 7 8 4 Figure 3 4 Example Screen 5 Component Analysis 12 Channels Teledyne Analytical Instruments 38 Infrared Gas Analyzer Operation The numbered call outs in Figure 3 4 refer to No Name Function 1 Component Displays component of instantaneous display value corrected instantaneous value corrected average value etc 2 Concentration Displays measured value of concentration display 3 Range display Displays range values 4 Unit display Displays unit with ppm and vol 5 Peak alarm Displays peak alarm component component 6 Peak alarm Displays peak alarm concentration display concentration Upper limit value 7 Peak alarm Displays the alarm times exceeding the times peak value 8 Peak alarm Displays units of peak alarm with times H unit display Instantaneous value and concentration value The concentration display of Ch component where sampling components such as CO CO or Oz are displayed in the component display indicates current concentration values of the measured components contained in gas tha
2. Ch5 range identification J contact output RNG_ID Ch5 7 Ch4 range identification contact output RNG_ID Ch4 Ch3 range identification contact output RNG_ID Ch3 Ch2 range identification J contact output RNG_ID Ch2 7 Ch1 range identification J contact output RNG_ID Cht Terminal block 5 lt TN5 gt M3 5 screw Teledyne Analytical Instruments Terminal block 2 lt TN2 gt Note 1 Ch5 remote ran Oz sensor input 1 11 1 Sores input ge 02N 2 12 4 R_RNG_Ch5 Ch12 output m _3 13 Ch4 remote range switch input Ch12_0UT a 14 JOR RN hy a Ch11 output 5 15 Ch3 remote range m wi input Ch11_OUT L 6 46 R_RNG Cha 7 17 Ch2 remote range Unassigned 1 switch input L a 18 R_RNG_Ch2 m 9 19 Ch1 remote range Unassigned switch input L 10 20 J RLRNG_Ch1 M3 5 screw Note 1 For external O2 sensor input Terminal block 4 lt TN4 gt Peak count alarm p 7 A output PEAK_ALM Unassigned Unassigned 5 J Unassigned Gaon Lenor r col o CAL ALM L Connector lt CN3 gt Solenoid valve drive signal output for calibration Transister output Contact output for 1 sample gas selection 1 O Contact output for Ch3 20 O 6 span calibration 7 Contact output for Ch4 Contact output for 3 O span calibration zero calibration O a Contact output for Chs Contact output for Ch1 4 O sp
3. I 0 0 i 21 00 Pressing ENT displays the error contents screen which describes the error indicates what channel or component is affected and suggests probable causes for the error If the ESC key is pressed without removing the cause of an error the error will be displayed again When more than one error occurs pressing the SIDE key moves to another error display Auto Cal error Error No 9 ESC Back to MEAS SPAN NOX Calibration error Cause e Calibration gas is not flowing e Gas flowing time is short e Setting conc is different from gas cone e Dirt in sample cell 4 6 1 Error Log File If error occurs the history is saved in an error log file The error log file exists in the maintenance mode 4 6 2 Error Log Screen Up to 14 errors can be saved in the error history the oldest error will be deleted one by one each time a new error occurs Figure 4 11 shows the Error Log screen and identifies the fields Teledyne Analytical Instruments 106 Infrared Gas Analyzer Maintenance Maintenance Mode Error Log ENT Clear ErrorLog A ESC Back a Error No Y ME Errors that occurred No 1 No 6 No 9 No 5 No 3 Next page 04 04 03 03 03 03 M E Clear Error Log a Se d G M PEENI JS Page 1 _ Date and time when an error occurred _ Component with which the error occurred Figure 4 11 The Error Log Screen
4. Se 0 0 Aco ooo Aco 00 User mode displays In the user mode you can e Switch ranges e Set calibration parameters e Adjust alarm settings Teledyne Analytical Instruments 41 Operation Model 7600 e Setup the Auto Calibration feature e Setup an auto zero calibration e Adjust the peak alarm parameter Setting These settings are described in Section 3 5 To enter the user mode from the measurement mode press the MODE key To return to the measurement mode press the MODE key again or ESC User Mode Select an item with UP DOWN and ENT Back with ESC ES switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting 3 5 Setting Up the Analyzer in the User Mode 3 5 1 Switch Ranges From the Switch Ranges menu you can a Manually select a desired range for any channel b Use the remote range switch contacts to select a range c Select autoranging To enter the Switch Ranges menu 1 Press the MODE key to enter the user mode User Mode Select an item with UP DOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting Teledyne Analytical Instruments 42 Infrared Gas Analyzer Operation 2 Move the cursor to th
5. Inlet 12 points max 4 to 20 mA DC or 0 to 1V DC non isolated output max load 550Q for 4 to 20 mA DC min load 100kQ for 0 to IVDC 0 to 1V DC non isolated input from externally installed Zirconia type O2 sensor la contact 250V AC 2A resistive load Instrument error calibration error range identification auto calibration status pump ON OFF peak alarm lc contact 250V AC 2A resistive load selectable 6 outputs High Low limit alarm contact output Power disconnection alarm No voltage contact ON OV OFF SV DC 5mA flowing at ON Remote range switch auto calibration remote start remote holding average value resetting pump ON OFF Isolated from the internal circuit with photocoupler Contact inputs are not iso lated from one another Solenoid valve drive signal for automatic calibration Transistor output 100mA or less Voltage rating 100V to 240V AC Allowable range 85V to 264V AC Frequency 50Hz 60Hz 250VA max Conforms to EN60320 Protection Class 1 Teledyne Analytical Instruments 110 Infrared Gas Analyzer Appendix Operating conditions Storage Conditions Dimensions Weight Internal Sample System Wetted Parts Gas Inlet Outlet Purge Gas Flowrate Ambient temperature 5 C to 45 C Ambient humidity 90 RH max non condensing Ambient temperature 20 C to 60 C Ambient humidity 100 RH max non condensing Analyzer main unit 177 x 483 x 600mm
6. Teledyne Analytical Instruments 52 Infrared Gas Analyzer Operation range you want to set using the UP or DOWN key Then press the ENT 2 The cursor next to the range of the selected channel is highlighted Select the range to be calibrated using the UP or DOWN key Then press the ENT key The auto calibration will be performed on the selected range Channels which have been set for autoranging AR will undergo the auto calibration and manual calibration on the range selected here Once the calibration has started the range will automatically switch and on completion of the calibration the original range is resumed The range identification contact is interlocked with the range after the switch However if the hold setting is set to ON the contact status before calibration is maintained To ENABLE DISABLE the auto calibration feature 1 With the cursor next to the range of the selected channel you want to enable or disable for autocalibration see steps 1 and 2 above use the SIDE key to highlight the enable or disable option 2 Use the UP or DOWN keys to toggle between the two options then select the desired status by pressing ENT To close the Auto Calibration Components Range screen or cancel this mode midway press the ESC key The previous screen will return Note The order in which the Zero and Span calibrations are performed in the auto calibration routine are different For the zero calibratio
7. Teledyne Analytical Instruments iv Infrared Gas Analyzer IF YOU USE THE ANALYZER IN A MANNER OTHER THAN THAT FOR WHICH IT WAS INTENDED UNPREDICTABLE BEHAVIOR COULD RESULT POSSIBLY ACCOMPANIED WITH HAZARDOUS CONSEQUENCES This manual provides information designed to guide you through the installation calibration operation and maintenance of your new analyzer Please read this manual and keep it available Occasionally some instruments are customized for a particular application or features and or options added per customer requests Please check the front of this manual for any additional information in the form of an Addendum which discusses specific information procedures cautions and warnings that may be peculiar to your instrument Manuals do get lost Additional manuals can be obtained from TI AI at the address given in the Appendix Some of our manuals are available in electronic form via the internet Please visit our website at www teledyne ai com Teledyne Analytical Instruments v Model 760 Table of Contents DISH OR PIGUIGS eaae aa eda aeaa aaaea aaiae aiana aaisan List of Table S asics cccesccs ceveneaccveicvanccencvaccdenceancdencvaccdendeaacvandvacevendven IAPFOCUCHOIN koena E E E 1 1 Overview 1 2 Main Features of the Analyzer 1 3 Options Available 1 4 Applications 1 5 Description of the Main Unit AEETI EEEE EEE 2 1 Unpacking the Analyzer 2 2 Choosing a Location 2 3 Mounting the Analyzer 2 4 M
8. Check and adjust if necessary every day 4 2 Daily Check and Maintenance Procedures Table 4 1 Troubleshooting and Maintenance Item to be checked Display value Phenomena Display values are low Display values are high Cause 1 Dust is mixed in sampling cell Remedy 1 Clean the sampling cell Check sampling system especially gas filter Teledyne Analytical Instruments 93 Maintenance Model 7600 Item to be Phenomena Cause Remedy checked 2 Air is 2 Find cause absorbed of leak and midway in the repair sampling pipe Purge gas flow is Standard flow is Adjust using included when beyond the specified needle valve purge gas in flow rate of 0 5 L min on flowmeter sampling gas 0 3 to 0 7 L min flow rate Zero point of gas It is deflected Adjust analyzer Span point of It is deflected Adjust gas analyzer 4 3 Analyzer Maintenance 4 3 1 Sample Cell Cleaning In rare circumstances will the sample cell require cleaning JAN The procedure for dismantling and cleaning the sample cell should be handled by qualified personnel only In general if it is absolutely required contact the factory The recommended procedure for cleaning the sample cell is as follows 1 Turn off the power switch stop the sample gas and allow the zero gas to flow for several minutes to purge the cell interior 2 Loosen the setscrew 2 piece
9. Installation Model 7600 mounting surface Connect the panel to the same ground as the analyzer main unit Terminal Blocks N Mounting J Holes 6 Communications Connector ja f J JA a ec KW Cabe Solenoid Drive Connector Signal Connector Figure 2 2 Input Output Terminal Module Ensure good metal contact between I O Module and panel Electrical contact between a analyzer or slider and panel Analyzer and terminal module mounted on same panel a lt Ground the panel Figure 2 3 Mounting the I O Module Teledyne Analytical Instruments 24 Infrared Gas Analyzer Installation 2 5 Gas Connections Gas connections are made on the rear panel of the analyzer Adhere to the following guidelines when making gas connections e Use acorrosion resistant tube such as Teflon stainless or polyethylene to connect the instrument to a sampling system Even if there is a danger of corrosion refrain from using rubber or soft vinyl tubing This would result in instrument inaccuracies due to gas absorption by the piping materials e Pipe connection port is Rc1 4 female thread or NPT1 4 Piping should be cut as short as possible for quicker response About 4 mm inner diameter is recommended e Keep out dust and debris from the tubing and connections Always use clean tubing and fittings Connect the gas
10. OPERATING INSTRUCTIONS FOR Model 7600 NDIR Infrared Gas Analyzer MODEL 7600 agrumeti ansigticat ls ge redy 40 P N M7600 ECO Aa oac A Toxic gases and or flammable liquids may be present in this monitoring system Personal protective equipment may be required when servicing this instrument Hazardous 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 servicing Before conducting any maintenance or servicing consult with authorized supervisor manager Teledyne Analytical Instruments Model 7600 Copyright 2005 Teledyne Instruments Analytical Instruments All Rights Reserved No part of this manual may be reproduced transmitted transcribed stored in a retrieval system or translated into any other language or computer language in whole or in part in any form or by any means whether it be electronic mechanical magnetic optical manual or otherwise without the prior written consent of Teledyne Instruments Analytical Instruments 16830 Chestnut Street City of Industry CA 91749 1580 Warranty This equipment is sold subject to the mutual agreement that it is warranted by us free from defects of material and of construction and that our liability shall be limited to replacing or repairing at our factory without charge except for transporta
11. Span Calibration of the Calibration Setting mode the span calibrations will be carried out for each component 3 Wait until the display has stabilized with the span gas flowing After stabilization press the ENT key Span calibration on the range selected by the cursor is performed Note If the selected channel was set for autoranging AR see Section 3 5 1 Switch Ranges the cursor automatically moves to the range selected in Setting of Auto Calibration Component Range Section 3 5 2 4 and calibration is carried out within that range Teledyne Analytical Instruments 91 Operation Model 7600 To close Span Calibration To close the Span Calibration screen or cancel this mode midway press the ESC key A previous screen will return k Teledyne Analytical Instruments 92 Infrared Gas Analyzer Maintenance Maintenance 4 1 Routine Maintenance Aside from normal cleaning of the instrument and making sure connections are tight and secure the following maintenance items should be carried out on a daily basis l Zero and Span Calibration Perform a zero calibration For the calibration procedures refer to Section 3 7 1 Zero Calibration Then perform span calibration For the calibration procedures refer to Section 3 7 2 Span Calibration Flowrate Check Sampling and purge gas flowrates are as follows Sampling gas flow Purge gas flow 0 5L min 0 2 L min About 1 L min
12. e Low Hi limit alarms e Range ID signals e Auto calibration with user adjustable frequency and gas flow time setting programming capabilities e Remote auto calibration initiation e Auto calibration status contacts Teledyne Analytical Instruments 16 Infrared Gas Analyzer Introduction e Instrument or calibration error contact outputs e Extra functions included such as average value computation O2 conversion e Pump ON OFF contact 1 3 Options Available e Percent Oz detector Paramagnetic built in or ZrO2 externally installed user preference e O correction the conversion of measured CO and SO readings into values at standard O concentration Consult factory for more detail for this function e Communication functions e RS 232C 9 pins D Sub connector e Half duplex bit serial e Modbus protocol 1 4 Applications The Model 7600 Infrared Gas Analyzer is a versatile analytical instrument tool and is ideally suited for multi parameter gas analysis requirements for applications such as e Combustion control within the power pulp and paper steel and cement industries e Heat treating Inert gas blanketing atmosphere control e Bulk gas impurity analysis within the air separation industry e Anaerobic digester Bio gas Land fill gas analysis e Vent gas analysis of oxyhydrochlorination reactors EDC e Off gas analysis on PTA and Maleic Anhydride reactors e Fluid Catalytic Cracker FCC rege
13. 1 meter long 1 O Terminal Module Figure 2 11 I O Cable Connection The I O Module carries various input and output signals A detailed list of these signals and pinout information is given in the Appendix Teledyne Analytical Instruments 33 Installation Model 7600 lees ee ee el el 2 7 Testing the System After the analyzer has been installed with gas and electrical connections but prior to powering up the unit make sure you have e Installed the unit correctly e Checked the gas connections for leaks Once the above checks have been made you can connect the power source and turn the analyzer on using the power switch on the front panel Allow the analyzer to warm up for four hours When the instrument is first turned on you will see the measurement screen While in the warm up stage the readings are inaccurate They may even be above the upper limit of range however this is not an error After the analyzer has come to equilibrium approximately four hours after first powering up the instrument is ready to be configured and calibrated for your process This is described in Section 3 Teledyne Analytical Instruments 34 Infrared Gas analyzer Operation Operation 3 1 General Information This section describes the front panel interface of the analyzer Figure 3 1 Shows the Model 7600 Infrared Gas Analyzer front panel The user interface consists of 8 membrane switch buttons or keys a power ON O
14. Contacts close at occurrence of manual or auto calibration error any of errors No 4 to 9 Auto calibration status contact outputs Contacts close during auto calibration Pump ON OFF contact output During measurement this contact close While calibration gas is flowing this con tact open This contact is connected in power supply of pump and stop the sample gas while calibration gas flowing Teledyne Analytical Instruments 114 Infrared Gas Analyzer Appendix A 3 Optional Functions O correction Correction of measured NO SO and CO gas concentrations into values at reference O concentration 21 On C 21 Os Correction formula xCs C Sample gas concentration after O2 correction Cs Measured concentration of sample gas Os Measured O2 concentration Limit setting 1 to 20 O2 On Reference Oz concentration value changeable by setting 0 to 19 O2 Average value after O7 correction and O average value calculation The result of O2 correction or instanta neous O value can be output as an av erage value in the preset period of time The moving average method is used for averaging in which sampling is carried out at intervals of 30 seconds Output is updated every 30 seconds It is the average value in the determined period of time just before the latest update Averaging time is settable within 1 to 59 minutes in increments of 1 minute or 1 to 4 hours in increments of 1 hour Aver
15. If the power supply is turned OFF the contents in the error log file will not be lost or damaged 4 6 3 Deleting Error Hstory Press the ENT key on the above screen and the Error Log Clear will be inverted Pressing the ENT key again will clear the error history Teledyne Analytical Instruments 107 Maintenance Model 7600 aa SSS ee eee oa el Teledyne Analytical Instruments 108 Infrared Gas Analyzer Appendix Appendix A 1 SPECIFICATIONS General Specifications Standard specifications Measurable components Max 5 components including O2 Minimum range Maximam range NO 0 50ppm 0 5000ppm SO 0 50ppm 0 10vol CO 0 20ppm 0 100vol CO 0 50ppm 0 100vol CH 0 200ppm 0 100vol Oz built in 0 5vol 0 25vol Oz Ext Zirconia 0 5vol 0 25vol Ranges 2 each channel user settable between Max and Min Measuring Range Ratio lt 1 5 Oz lt 1 25 other than O2 Principle of measurement NO SO2 CO2 CO Non dispersion infrared ray absorption Single light source and double beam double beam system O2 Paramagnetic O2 sensor built in or zir conia O2 sensor externally installed Display 4 digit digital LCD display with back light Teledyne Analytical Instruments 109 Appendix Model 7600 Analog Output Analog Input Relay Contact Output Contact Input Other Output Power Supply Power consumption
16. Input output module 164 x 318 x 55mm Approx 22 kg Analyzer only Gas inlet outlet SUS304 Sample cell SUS304 chloroprene rubber IR window CaF O2 sensor sample cell SUS316 Internal piping Toaron Teflon Rcl 4 or NPT1 4 internal thread 1L min when required A 2 Standard Functions Output signal holding Remote output holding Output signals are held during manual and auto calibrations by activation of holding turning ON its setting The values to be held are the ones just before start calibration mode or setting value Selectable Indication of instantaneous values will not be held Output signal is held at the latest value or setting value by short circuiting the remote output holding input terminals Holding is maintained while the terminals Teledyne Analytical Instruments 111 Appendix Model 7600 Range switching Range identification signal Auto calibration Teledyne are short circuited Indication of instanta neous values will not be held Range switching is available in manual auto and remote modes Only preset switch method is effective Manual Allows range to switch by key operation Auto Allows range to switch from low to high range when 90 FS or more is available in the low range Allows range to switch from high to low range when 80 FS or less is available in the low range Remote No voltage contact input for measurable components Allo
17. offering a range of submenus Note The default password installed in new instruments is 0000 Maintenance Select operating item ode Sensor Input Value Error Log Cal Log Optical Adjustment Interference Compensation Adj Output Adj Other Parameter To Factory Mode NOON WH oO The following submenus are accessed from the maintenance mode screen Interference Compensation Adjustment 1 Sensor Input 2 Error Log 3 Calibration Log 4 Optical Adjustment 5 6 Output Adjustment Teledyne Analytical Instruments 82 Infrared Gas Analyzer Operation 7 Additional Parameters a Password Set b Oy Reference Value c Limit d MODBUS Communication Station No e Range Setting 8 Factory Mode In the maintenance mode screen point the cursor to the item you want to set by pressing the UP or DOWN key and press the ENT key The appropriate screen will automatically display Note To Factory Mode is used for factory service engineers Do not use this mode 3 6 1 Sensor Input Value Upon selecting Sensor Input Value the following screen will appear It lists the installed sensors along with the input value from the measuring sensor M and the compensating detector C Maintenance Sensor Input sensor input Where NOx M NOx sensor input value NOx C NOx interference compensation sensor input value SO M SO sensor
18. the peak alarm contact closes ON If it is less than the set times per hour it is open OFF 1 A peak count alarm is conductive at 5 times hour ON Example 2 A peak count alarm is open at 4 times hour OFF Peak concentration Measured values gt 3 hours ago 2 hours ago 1 hour ago Current hour Peak count alarm ee Figure 3 9 Peak Alarm Example Figure 3 9 depicts the behavior of the Peak alarm where the alarm count has been set to 5 At the point labeled 1 the peak count alarm is turned ON since the alarm count has reached the threshold of 5 per hour Since peaks of more than 5 times within an hour occur between the Teledyne Analytical Instruments 72 Infrared Gas Analyzer Operation interval 1 and 2 the peak count alarm remains ON At 2 the peak count has fallen to 4 per hour so the peak alarm is turned OFF Like the hysteresis of the alarm setting the hysteresis prevents possible chattering when measured gas is fluctuated near the alarm value CAUTION FOR 10 MINUTES AFTER THE POWER IS TURNED ON A PEAK ALARM COUNTING IS NOT AN PERFORMED Releasing peak count alarm To release the peak count alarm set the peak alarm to OFF Turning the peak alarm back ON again resets the count to 0 3 5 7 Parameter Setting This menu allows you to adjust parameter settings such as e Time e Key lock e Output hold e Reset average output e Response time e Average period e
19. 100ppm 0 J 2000ppm 0 10vol O0 00 U 20vol 00 J 100ppm Mi 0 2000ppm 0 10vo1 21 00 0 25vol 21 00 9V0 To change the concentration of a calibration gas 1 Point the cursor to the channel you want to set by using the UP or DOWN key Press the ENT key 2 Select the concentration item you want to set by pressing the UP or DOWN or SIDE key Press the ENT key and the selected value is highlighted Cal Settings Select setting value Cal Value RANGE 0 100ppm 0 2000ppm BE 120 l oo ah 0 E 3 Enter the calibration gas concentration values zero and span For any numerical value entry press the UP or DOWN key to increase or decrease a single digit Select the next digit by pressing the SIDE key 4 When the concentration is correct save the entry by pressing the ENT key The saved value becomes valid from the next calibration process Teledyne Analytical Instruments 47 Operation Model 7600 Note Enter settings that correspond to each range If a zirconia type O2 sensor is used select 21 00 for the field of Zero when air is used and select the concentration listed on the cylinder if the air contained in a cylinder is used To close the calibration concentration value setting process or cancel this mode midway press the ESC key The previous screen will return Setting range of values For NO SO2 CO2 CO CHy external O meas
20. 3 4 Example Screen 5 Component Analysis 12 Channels eins cits ones i e a a Codecend cuts ewes to ttaweliatacees cocci 38 Figure 3 5 Setting Selection Screen Areas seeeeeeeeeeeees 41 Figure 3 6 Hysteresis Example for a High Limit Alarm 57 Figure 3 7 Example Auto Calibration ccc eeeeeeeeeeeeeneeeeee 61 Figure 3 8 Example Auto Zero Calibration 0 eeeeeeeee eee 67 Figure 3 9 Peak Alarm Example cccceeeeeeeeeeeeeeeeeeeeeeeeeeees 72 Figure 3 10 Output Hold for Manual Calibration 75 Teledyne Analytical Instruments x Infrared Gas Analyzer Figure 3 11 Output Hold for Auto Calibration eee 76 Figure 3 12 Output Hold for External Hold cc eeeeeeeeeeeees 76 Figure 3 13 Average Value Reset ccccessseeseesesseeeeeetesseees 79 Figure 3 14 Example Average Period cc eeeeeeeeeeteeeeeeteees 80 Figure 4 1 Top Cover Removal ccccccceesssseecceeeeeeeeeeeeeseeeees 95 Figure 4 2 Sample Cell Removal cceeeeeessceceeeeeeeeeeeeeeeeeees 95 Figure 4 3 Sample Cell ceeececcecccceeeeeeeeeeeeeneeeeeeeeeeeeeeeeesaaeees 96 Figure 4 4 IR Window Assembly cccceeeeeeeeeeeteeeeeeeeeeeeeeeeeaees 97 Figure 4 5 Detector Secure Nut e secseesesseeneeesesseeeeeesenseees 98 Figure 4 6 Cell Block ASSEMDIy cccceeeeeseeseeceeeeeeeeeeeeeeeeeees 99 Figure 4 7 Optical Adj
21. 5 2 Calibration Parameters The next menu choice from the user screen is the Calibration Parameters menu Here calibration settings can be configured for your particular application There are 4 submenus in the Calibration Parameters menu They are e Calibration Value set the concentration of calibration gas e About ZERO Calibration set each or all components to be zero calibrated during a manual zero calibration e About Calibration Range sets whether each component during a zero or span calibration should be calibrated with a single or dual range e Auto Calibration Components Range select the component and range with which auto calibration is to be performed 3 5 2 1 CALIBRATION VALUE This submenu allows you to set the concentration of the standard gas zero and span for each channel used for calibration To enter the Calibration Value submenu 1 From measurement mode press the MODE key to display the user mode 2 Point the cursor to Calibration Parameters by pressing the UP or DOWN key 3 Press the ENT key to enter the Calibration Parameters menu Teledyne Analytical Instruments 46 nfrared Gas Analyzer Operation 4 In the Calibration Parameters screen that appears point the cursor to Calibration Value by pressing the UP or DOWN key Press the ENT key Cal Settings Select Ch No Cal Value for setting calibration value SPAN Oppem 0000 0 0100 0 2000ppm 0000 U
22. 6 Installation Requirements 118 A 7 EC Directive Compliance 118 A 8 Terminal Block Connections 119 A 9 Description on Terminal Block 120 NAEK inca aeeai eaa aaaea a aaa aeS 125 Teledyne Analytical Instruments ix Model 7600 List of Figures OUL CC oo Figure 1 1 Model 7600A Infrared Gas AnalyZer 0 eeeeeee 16 Figure 1 2 Model 7600 Description ccccesseeceeeeessereeeeeees 19 Figure 2 1 Slide Rail Mounting Dimensions eee eee 23 Figure 2 2 Input Output Terminal Module cceeeeeeeeeeeees 24 Figure 2 3 Mounting the I O MOdule ccccceeeeeseeteeeeeeeeeees 24 Figure 2 4 Internal Piping with Single or Dual Measuring Units 26 Figure 2 5 External Piping with Single Inlet and Outlet 27 Figure 2 6 External Piping with Two Pair of Inlet Outlet 1 28 Figure 2 7 External Piping with Two Pair of Inlet Outlet 2 28 Figure 2 8 Five Component Analysis System cceeeeeee 31 Figure 2 9 Model 7600 Electrical Connections eeeeeeee 32 Figure 2 10 Noise Suppression cccceeeeeeeeeeeeeeeeeeeeeeeeeeeees 33 Figure 2 11 I O Cable Connection cccecceeessenceeteeseereeeeeees 33 Figure 3 1 Front Panel of the Model 7600 eesseeeeeeees 35 Figure 3 2 Interface Keys on the Front Panel 35 Figure 3 3 Display Modes and Menu Hierarchy cceeee 37 Figure
23. Amount of zero calibration e Zero is deflected much due to dirty indication value is over 50 of cell Ta stale e Detector is faulty e Optical balance is out of adjustment Error No 6 Span calibration is not within the e Span gas is not supplied alOWable range e Calibrated concentration setting does Error No 7 Amount of span calibration not match cylinder concentration difference between indication e Zero calibration was performed value and calibrated incorrectly concentration is over 50 of full Dirt li scale ial e Detector sensitivity has deteriorated Error No 8 Measured values fluctuate too e Calibration gas is not supplied much during Zero and Span e Time for flowing calibration gas is too calibration short Error No 9 Calibration is abnormal during No 4 to No 8 Error occurred during auto calibration Error No 10 Output cable connection is e Wiring is detached between analyzer improper and interface module e Wiring is disconnected between analyzer and interface module When errors No 1 and No 10 occur the analyzing block error contact is closed When errors No 4 to No 9 occur calibration error contact is closed When an error occurs the error number message will appear at the offending channel The screen below shows that error No 9 has occurred on Channel 1 Teledyne Analytical Instruments 105 Maintenance Model 7600 i ee ee i Le ee Eir No 9 8
24. Backlight timer e Enter maintenance mode Description of setting items Current Time Current year month date day of the week hour and minute setting in this order Note The clock backup time is 2 days If power is off for 2 days or longer the time setting will need to be set again Key Lock Sets with ON OFF When set to ON all key operations except key lock OFF are disabled Output Hold Sets whether calibration output is held or not and the holding value setting Teledyne Analytical Instruments 73 Operation Model 7600 Reset Av Output Resets the average value Response time Sets the response time of the electrical system Average Period Sets the moving average time Backlight Timer Sets an automatic OFF of the backlight of display unit and the time until the backlight is turned OFF Maintenance mode Enters passwords to switch to the Maintenance mode For the maintenance mode see Section 3 6 To make parameter changes 1 From the measurement mode enter the user mode by pressing the MODE key 2 Point the cursor to Parameter Setting by pressing the UP and DOWN keys Then press ENT User Mode Select an item Back with Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm CS Parameter Setting 3 Inthe Parameter Setting screen that appears point the cursor to any item you want to set by pr
25. M3 5 screw and 7 Otherwise it is open between 5 and 6 and conduct ive between 6 and 7 Between 8 9 and 10 Alarm 1 output When the output exceeds the set value it is conductive between 8 and 9 and open between 9 and 10 Otherwise it is open between 8 and 9 Between 12 13 and 14 Alarm 6 output When the analyzer unit is turned ON it is conductive between 12 and 13 and open between 13 and 14 When the analyzer unit is turned OFF it is open be tween 12 and 13 and conduc tive between 13 and 14 Between 15 16 and 17 Alarm 5 output When the output exceeds the set value it is conductive between 15 and 16 and open between 16 and 17 Otherwise it is open between 15 and 16 and conduc tive between 16 and 17 Between 18 19 and 20 Alarm 4 output When the output exceeds the set value it is conductive between 18 and 19 and open between 19 and 20 Otherwise it is open between 18 and 19 and conduc tive between 19 and 20 For detailed action of the alarm contact refer to Item 6 3 Alarm setting Teledyne Analytical Instruments 123 Appendix Model 7600 oa el Teledyne Analytical Instruments 124 Infrared Gas Analyzer Index Index caution sign iv safety information iv combustible gas warning xi serial number iii copyright ii tables listing x figures listing ix technician symbol iv instasllation checklist 33 warning sign iv leak check 33 warranty 11 manuals additi
26. Mode setting Password Set B465 0 ref Value 12 O2 limit 20 02 Station No 04 Range setting 3 Press the UP or DOWN key to change the value and then press the ENT key Note If you forget the password you will be locked out from the maintenance mode Keep a record of the password in a secure place Contact the factory for instruction on reclaiming forgotten or lost passwords To set or change the range The measuring range can be arbitrarily selected in the minimum and the maximum range specified at the time of purchase The range to be used can be selected as 1 or 2 1 Move the cursor to the Range Setting option using the UP or DOWN key and then press the ENT key 2 This brings up another screen that lists the channels and components Move the cursor to the channel whose setting is to be changed by pressing the UP or DOWN key and then press the ENT key Teledyne Analytical Instruments 88 Infrared Gas Analyzer Operation Maintenance Select Ch No D cht NOx Ch2 S02 Ch3 CO2 Ch4 CO Ch O2 3 Another screen appears which displays the current MIN and MAX ranges established for that component To change the existing range move the cursor to the range you want to modify using the UP or DOWN key and then press the ENT key Note The value for range 1 and range 2 must fall within or be equal to the MIN the MAX range and range 1 must be less than range 2 The number of ranges Range num is 1 or
27. Operation perform a reset the contacts must close for at least 1 5 seconds See Figure 3 13 Resetting occurs as the contacts reopen Close hold at least 1 5 sec Open Reset input Figure 3 13 Average Value Reset 3 5 7 3 RESPONSE TIME The response time of the electrical system can be changed Individual settings are available for each component Note Response time does not provide exact seconds for the setting time but rather it is a guide to the overall response Parameter Select Ch No Response Time 3 5 7 4 AVERAGE PERIOD This submenu allows you to set an averaging period over which the average value of O2 correction and O2 average are sampled Parameter Select Ch No Average Period cho NOx O41 hour Ch10 502 01 hour Chii amp CO2 Of hour Ch12 02 014 hour Teledyne Analytical Instruments 79 Operation Model 7600 To modify the average period 1 Choose the channel or channels you want to modify You can set an average time from 1 to 59 minutes in 1 minute steps or 1 to 4 hours in 1 hour steps 2 The UP and DOWN keys will increment or decrement the numerical values while the SIDE key will move the cursor to the right to the next digit Press ENT when the desired value is displayed Changing this parameter resets the average value of Oz correction and O average value Pressing the ENT key validates the resetting only for components whose setting was changed Exampl
28. Setting Selection of items i L ee Peak Alarm ON OFF i Peak Value Peak Count Hysteresis 0 Selection of items Current time Current time setting Key lock Key lock ON OFF Output Hold ON OFF Reset Av Output Average value resetting Response time Response time filter Average Period Average Period setting Backlight Timer ON OFF timeup time To Maintenance mode Maintenance mode entry of password Figure 3 3 Display Modes and Menu Hierarchy Teledyne Analytical Instruments 37 Operation Model 7600 The user mode is where the operator configures the instrument and sets up various parameters for the intended application From the user mode the following menus are available e Switch Ranges e Calibration Parameters e Alarm Setting e Setting of Auto Calibration e Setting of Auto Zero Calibration e Setting of Peak Alarm e Parameter Setting Figure 3 3 shows the overall structure of the Model 7600 display and menu hierarchy 3 3 The Display Screen 3 3 1 Measurement Mode The measurement mode screen is the default mode when the power is turned on It displays component and concentration information about the process The screen depends on the number of components Figure 3 4 is an example of a measurement mode screen for an instrument configured for NO SO2 CO2 CO and O2 analysis with a 12 channel output 1 2
29. a message to confirm the stop of auto calibration Press the ENT key to stop the auto calibration or press the ESC key to cancel the abort Set Auto Cal Auto Cal Stop ENT Run Stop ESC Cancel Start Time SUN 12 00 Cycle OF day Flow Time 300 sec ON OFF OFF Time MON 12 34 Auto Calibration Bij Note During auto calibration the keys are inoperable other than key lock ON OFF and Stop Auto Calibration When the key lock is set to ON even the Auto Calibration Stop is locked out To stop Auto Calibration forcedly set the key lock to OFF and then execute Auto Calibration Stop as detailed above Teledyne Analytical Instruments 64 Infrared Gas Analyzer Operation 3 5 5 Setting of Auto Zero Calibration 3 5 5 1 AUTO ZERO CALIBRATION Auto zero calibration is automatically carried out when the zero calibration is set Components for which a calibration is to be made are determined by setting of auto calibration component in Section 3 5 3 Similar to the menu choices and operation of the auto calibration in this menu you can set when and how frequent the auto zero calibration is performed You also enable or disable the auto zero calibration feature here Description of setting items Start Time Setting at the first calibration day of the week hour minute Cycle A period between the start time of one calibration and another unit hour day Flow Time The time requi
30. input value SO C SO interference compensation sensor input value CO M CO sensor input value CO C CO interference compensation sensor input value Teledyne Analytical Instruments 83 Operation Model 7600 CO M CO sensor input value CO C CO interference compensation sensor input value Temperature temperature sensor input value O2 O sensor input value 3 6 2 Error Log This screen gives the error history for the last fourteen logged errors It also shows the date and time of occurrence year month day hour minute and the channel the error occurred on For error number date and time of occurrence channel and other details of error refer to Section 4 6 Error Messages Maintenance ENT Clear Error Log Mode ESC Back Error Log 5 2 2 2 2 12 Next page vu g CS Clear Error Log To clear the error log select Clear Error Log and press the ENT key 3 6 3 Calibration Log The next screens detail the past calibration history on the analyzer The first screen allows you to choose the channel whose information you want displayed The next screen displays logged information on sensor input value concentration value and the dates when zero span calibration were performed for that channel The last 10 calibration events are logged for each channel The first screen also gives you the opportunity to clear the log To erase the log move the cursor to Clear Calibration Log and pres
31. supplied with your instrument Connect the power cable to the power inlet AC Power Inlet AC Power Cord Figure 2 9 Model 7600 Electrical Connections Input Output Terminal Connector The Model 7600 requires 100 240 VAC 50 60 Hz power Avoid installing this instrument near an electrical unit that generates electrical noise such as a high frequency furnace or electric welder If using the instrument near such a noise generating unit is unavoidable use a separate power line to avoid noise Mount a noise suppressor such as varister or spark killer as shown in Figure 2 10 to the noise generating unit when noise is generated from relays or solenoid valves The suppressor must be mounted near the noise generating source or it will have no effect Teledyne Analytical Instruments 32 Infrared Gas Analyzer Installation Main Unit Power Supply Varister or Spark Killer Connect near the source Figure 2 10 Noise Suppression 2 6 2 Input Output Terminal Module Use the supplied cable to interface the I O Module to the analyzer Plug the cable connector into the receptacle at the rear panel of the analyzer and the receptacle on the PC board of the input output module Make sure that the ferrite core attached to the I O cable goes to the analyzer See Figures 2 9 and 2 11 TL ol i 5 b a i ansiyzer sido f r J JE r coho Analyzer Supplied Cable
32. tube as follows e Sample gas inlet Attach the sample gas tube to the inlet fitting The sample gas should be filtered and dehumidified before passing into the analyzer This port is also used to connect the zero and span calibration gases e The gas flow should be constant within the range of 0 5 L min 0 2 L min e Sample gas outlet Sample gas exits the analyzer through the gas out port at atmospheric pressure Exhaust gases must be vented safely e Purge gas inlet This connection is used for purging the inside of the analyzer Purging is not always required See Section 2 5 6 Purging the Analyzer When required use dry N gt or instrumentation air for the purge gas Use a flow rate of 1L min or greater 2 5 1 Internal Piping Diagram Note When the purge gas inlet is provided an internal connection to measuring unit 2 is installed Teledyne Analytical Instruments 25 Installation Model 7600 lees ee ee el el An internal piping diagram for an instrument with one or two measuring units is shown in Figure 2 4 When there are two measuring units if a built in oxygen sensor is used it must be installed in measuring unit 2 The diagram shows the combination of two cells used in measuring unit 2 This is possible by combining ranges When a single measuring unit is used there is only a single inlet and outlet gas connection cf cy Outlet Inlet Outlet Inl
33. using the UP or DOWN keys Calibration is performed from the measurement mode by pressing ZERO or SPAN See Section 3 7 Calibration Teledyne Analytical Instruments 36 Infrared Gas analyzer Operation 0 Measurement mode 1 The panel configuration is changed depending on the li 4 display channel The measurement mode screen can be viewed by scrolling the arrow key up and down But 2 aiii Y e I Measurement mode ZERO Calibration a Ten gt SPAN Calibration ox Y I Measurement mode A ow o elle _ 0 User mode I Selection of items Calibration value Zero calibration a act yt at Calibration range Auto calibration components range a D Switch Ranges x I Calibration 0 Selection of items Parameters Start Time I User mode Cycle Switch Ranges Flow Time Calibration Parameters lt Alarm Setting Auto calibration ON OFF gt Alarm Setting Auto Calibration Run stop Setting of Auto Calibration z Setting of Auto Zero calibration lt 0 acral Setting of Peak Alarm Bn a E Parameter Setting 0 Selection of items a 0 Setting of Auto Start Time 2 The peak alarm setting is Zero calibration Cae code sna onan oo p DSettingot ONOFF and Oz components exist i Peak Alarm Auto zero Calibration Run stop p OParameter h g a aaa
34. 2 Select range or range num MIN range 100 0 ppm Range 1 500 0 ppm Range 2 1000 ppm D MAX range 2000 ppm Range num 2 4 Press the UP or DOWN key to change the value Press the SIDE key to select the next digit When the decimal point is highlighted press the UP or DOWN key and the decimal point position can be changed 5 When complete press the ENT key to save the change Teledyne Analytical Instruments 89 Operation Model 7600 3 7 Calibration 3 7 1 Zero Calibration The zero calibration is used for zero point adjustment A suitable zero calibration gas is described in Section 2 5 5 Preparation of Calibration Gas To zero calibrate the analyzer 1 Press the ZERO key on the Measurement screen to display the Manual Zero Calibration screen ZERO Cal Select Ch No with UP 7 DOWN and ENT Back with ESC p gt Rangel U Range l CS Chi 1 e 9 p gt Rangel U 1 CO Range 0 2000 ppm 3 chs Rangel U 10 vol O2 pRange 0 25 vol 20 09 2 Select the channel to be calibrated by pressing the UP or DOWN key After selection press the ENT key and zero gas will be supplied Note For channels that are set to both in the Zero Calibration of the Calibration Setting mode the zero calibrations are carried out at the same time 3 Wait until the display has stabilized with the zero gas flowing After stabilization press the ENT key At this
35. FF switch and a display ON OFF switch The 8 user keys are shown in Figure 3 2 and described below LCD Display MODEL 7600 Power Switch Display Switch Operator Interface Keys Figure 3 1 Front Panel of the Model 7600 UP Key _ESCAPE Key te x Fi s ZERO Key m Wy ew i SPAN Key LEFT RIGHT Arrow Key ENTER Key MODE Key DOWN Key Figure 3 2 Interface Keys on the Front Panel Teledyne Analytical Instruments 35 Operation Model 7600 MODE key Used to switch the mode LEFT RIGHT Used to change the selected item by moving the Arrow key cursor and numeral digit UP key Used to change the selected item by moving the cursor and to increase a numeric value DOWN key Used to change the selected item by moving the cursor and to decrease a numeric value ESC key Used to return to a previous screen or cancel the setting midway ENT key Used for confirmation of selected item or value and for performing a calibration ZERO key Used for zero calibration SPAN key Used for spancalibration 3 2 Display and Available Menus The display on the Model 7600 has two modes measurement mode and user mode To change between modes press the MODE key In the measurement mode the display indicates the composition of the sample gas Up to 12 channels of output are available although the screen only shows 5 channels at a time To see additional channels scroll down or up
36. Mode ZERO and SPAN Output Adj The selected value is highlighted Adjust the value using the UP or DOWN key while watching the output on the digital multi meter Press the SIDE key to select the next digit On completion of the adjustment press the ENT key 3 6 7 Other Parameters The last submenu of the maintenance mode menu contains a group of parameters that may be modified by the user These include Password Set Set the password used to enter the maintenance mode An arbitrary 4 digit number can be selected O2 Ref Value Set the oxygen concentration reference value at the time of oxygen correction calculation Settable in the range from 00 to 19 Limit Set the oxygen concentration limit at the time of oxygen correction calculation Settable in the range from 01 to 20 See O correction concentration value in Section 3 3 1 Measurement Mode for oxygen correction calculation procedure Teledyne Analytical Instruments 87 Operation Model 7600 e Station No Set the station No for MODBUS communication Settable in the range from 00 to 32 e Range setting Moves to the screen on which measuring range is changed To adjust or make changes to these parameters 1 Press the UP or DOWN key to move the cursor to the item whose setting is to be changed 2 The values for password oxygen correction limit and station no are highlighted Maintenance Select an item
37. NT Run Stop ESC Cancel Start Time Cycle Flow Time ON OFF Note During auto zero calibration the keys are inoperable other than key lock ON OFF and Stop Auto Zero Calibration When the key lock is set to ON even the Auto Zero Calibration Stop is locked out To stop Auto Zero Calibration forcedly set the key lock to OFF and then execute Auto Zero Calibration Stop as detailed above 3 5 6 Peak Alarm Setting The optional peak alarm is triggered whenever the CO concentration exceeds the upper limit value for a preset number of times The peak number is set from within the Peak Alarm Setting menu Note Only instruments with the peak alarm option installed will have this menu The following items are set within the peak alarm menu e OFF ON status of peak alarm e Alarm setpoint value e Alarm count number of peaks e Hysteresis To adjust the peak alarm settings 1 From the measurement mode enter the user mode by pressing the MODE key 2 Point the cursor to Setting of Peak Alarm by pressing the UP or DOWN key Teledyne Analytical Instruments 70 Infrared Gas Analyzer Operation User Mode Select an item with UP DOWN and ENT Back with ES Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration Setting of Auto Zero Calibration SS Setting of Peak Alarm Parameter Setting Press the ENT key 4 In the Peak Alarm Setting item se
38. On the parameter hold screen that appears move the cursor next to the channel you want to make the setting by pressing the UP or DOWN key and then press ENT 6 The value is highlighted indicating that the value can be changed Change the numerical value by pressing the UP or DOWN key and then move the cursor to the right by pressing the SIDE key 7 After the value is changed press the ENT key to save 8 Press the ESC key to return to the parameter setting screen The setting is expressed in against the range for both ranges For example when 0 to 1000 ppm is selected as the range and 10 FS is selected as hold setting the output equivalent of 100 ppm is output and held irrespective of the measurement value at that time Description of setting Instantaneous value display of the measurement cannot be held Only the output can be held If set value is selected for hold instantaneous O gt correction value is calculated and held based on the set value Range identification contact output cannot be switched even if the range is switched during the hold 3 5 7 2 AVERAGE VALUE RESET This mode is used to clear all average values O2 correction average and O average and restarts averaging All average values are reset at the same time The indication value and output value is 0 ppm vol etc at the time of the reset input Refer to the average period To Teledyne Analytical Instruments 78 Infrared Gas Analyzer
39. T key to accept the change Auto calibration will now be carried out using the entered setting value To close the Setting of Auto Calibration or cancel the mode midway press the ESC key A previous screen will return 3 5 4 2 GAS FLOW TIME SETTING In this submenu you select the gas whose flow time is to be changed The flow time range is from 60 to 900 seconds The initial value is set for 300 seconds Teledyne Analytical Instruments 59 Operation Model 7600 To set the flow time l Place the cursor next to Flow Time then press the ENT key On the flow time setting screen that appears use the UP and DOWN keys to move the cursor to the gas whose settings you want to change then press ENT Set Auto Cal Select a Flow time D Zero 350 sec Chi Span 350 sec Ch2 Span 350 sec Ch3 Span 350 sec Ch4 Span 300 sec Ch5 Span 300 sec Ex time 300 sec The highlighted value can be changed Change the value by pressing the UP or DOWN key and then move the cursor to the right by pressing the SIDE key After changing the value press the ENT key Press the ESC key to return to the automatic calibration setting screen Note Only the channels used are displayed on this screen The Ex time is the output signal hold extension time after the completion of calibration It is valid only when the hold setting is set to ON The Ex time set here is also used in a manual calibration The auto c
40. age value resetting The above mentioned output of average value is started from the initial state by opening the average value resetting input terminals after short circuiting for 1 5 sec onds or longer Output is reset by short circuiting and re started by opening Teledyne Analytical Instruments 115 Appendix Model 7600 CO concentration peak count alarm added only for CO O Communication function A 4 Performance Repeatability Linearity Zero drift Span drift measurement Alarm output turns on according to the pre set concentration and count Whenever the instantaneous value of CO exceeds the preset concentration value count increments If the count exceeds the preset value in one hour the alarm contacts close RS 232C 9 pin D sub Half duplex bit serial Start stop synchronization Modbus TM protocol Contents Read Wright parameters Read measurement concentration and instrument status Remark When connecting via RS 485 interface a RS 232C lt gt RS 485 converter should be used 0 5 of full scale 1 of full scale 1 of full scale week 2 of full scale week range between 0 to 50ppm and 0 to 200ppm 2 of full scale day below 0 to 50 ppm range 2 of full scale week 2 of full scale day below 0 to 50 ppm range Teledyne Analytical Instruments 116 Infrared Gas Analyzer Appendix Response time 90 15 sec electrical response Within 60 second
41. alibration contacts are closed during an auto calibration event 3 5 4 3 CYCLE SETTING RANGE The cycle range is settable from 1 to 99 hours or 1 to 40 days The initial value is set at 7days Note When an auto calibration starts the measurement screen automatically appears Teledyne Analytical Instruments 60 Infrared Gas Analyzer Operation Any operation other than Stop Auto Calibration see Section 3 5 4 5 is not permitted during auto calibration Stop Auto Calibration cannot be performed when the key lock is ON To cancel auto calibration set the key lock to OFF and then execute Stop Auto Calibration Auto Calibration Example Start Time SUN 12 00 Cycle 1 day Flow Time Zero 350 sec Chl Span 350 sec Chl Span 350 sec Chl Span 350 sec Chl Span 300 sec Chl Span 300 sec EX time 300 sec ON OFF ON Figure 3 7 shows the auto calibration with the above settings Sunday Monday Tuesday 12 00 12 00 12 00 ii Cycle Auto calibration Zero Chi Ch2 Ch3 Ch4 Ch5 Replace calibration Spa Span Span Span Span ment time calibration calibration calibration calibration calibration L 350sec 350sec 350sec __350sec __300sec 300sec 300sec X Flow time Figure 3 7 Example Auto Calibration Teledyne Analytical Instruments 61 opaan Model 7600 When a channel enabled for auto calibration is in the calibration mode a message indicating ZERO ca
42. an calibration span calibration O 9 Pi for relay drive Contact output for Ch2 ee span calibration 5 Q 5v DC lt D sub 9P gt Connector lt CN2 gt For serial communication D Sub9pin For details 110 refer to another 6 manual about 210 ol7 communication function 3 0 ols 410 Oj9 5 O 119 eppenel Model 7600 A 9 Description on Terminal Block Terminal block 1 lt TN1 gt Ch5 output 11 Ch10 output Ch5_OUT l 42 Ch10_OUT Ch4 output 13 Ch9 output Ch4_OUT 44 Ch9_OUT Ch3 output 15 Ch8 output Ch3_OUT 16 Ch8_OUT Ch2 output 17 Ch7 output Ch2_OUT 18 Ch7_OUT Ch1 output 19 Ch6 output Ch1_OUT l 20 Ch6_OUT M3 5 screw Terminal block 2 lt TN2 gt Note 1 Oz sensor input Oz_IN l Ch12 output M Ch12_OUT L Ch11 output Ch11_OUT L Unassigned i Unassigned F Note 1 For external O sensor input M3 5 screw Terminal block 1 lt TN1 gt Terminal block for analog output non isolated output Between 1 2 Ch5 output Between 3 4 Ch4 output Between 5 6 Ch3output Between 7 8 Ch2 output Between 9 10 Ch1 output Between 11 12 Ch10 output Between 13 14 Ch9 output Between 15 16 Ch8 output Between 17 18 Ch7 output Between 19 20 Ch6 output Terminal block 2 lt TN2 gt Between 1 2 O sensor input For input of Fuji s zirconia oxygen sensor or externally oxygen sensor Must not be used unless e
43. ation and the auto zero calibration periods overlap the auto calibration setting is retained The instrument ignores the auto zero calibration period When the hold setting is set to ON the hold time of auto calibration contact and measurement value output signal is extended after calibration for gas replacement time Turn on the power again after it is turned off including the case of power failure at the time set as the next start time in auto zero calibration and then repeat it in the set cycle Teledyne Analytical Instruments 67 Operation Model 7600 3 5 5 2 FORCED RUN STOP OF AUTO ZERO CALIBRATION Like the auto calibration the auto zero calibration can be performed manually or forcibly stopped while the calibration is performed 3 5 5 2 1 MANUAL EXECUTION OF AUTO ZERO CALIBRATION To perform the auto calibration cycle manually l From the measurement mode press the MODE key to display the user mode Point the cursor to Setting of Auto Zero Calibration by pressing the UP or DOWN key and press the ENT key User Mode Select an item with UPZDOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration ES Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting In the Setting of Auto Zero Calibration item selection screen that appears point the cursor to Auto zero Calibration Run by pressi
44. d 1 2 of become as close to 0 as possible within 100 range 5 Adjust on the secondary side of the optical system so that the values for e to h in 2 1 and 2 2 become as close to 0 as possible within 100 range 6 Operate the optical zero adjustment knob to change the value displayed at a or e See Figure 4 8 Optical zero adjustment knob system 1 Figure 4 8 Optical Zero Adjustment 7 Move the beam adjustment plate sideways to change the value displayed at b or f See Figure 4 9 Teledyne Analytical Instruments 101 Maintenance Model 7600 i ee ae ee te Detector set bolt Beam adjustment plate Figure 4 9 Beam Adjustment Plate 8 Move the beam adjustment plate sidewise to change the value displayed at c or g 9 Move the beam adjustment plate sidewise to change the value displayed at d or h 10 Repeat the procedures in 6 to 9 to make all the displayed values come close to 0 as possible within 100 range Note Adjust the beam adjustment plate which is the nearest to the zero adjustment knob first and sequentially 11 After the optical balance adjustment remount the top cover of the analyzer unit then carry out a moisture interference compensation adjustment and perform zero and span calibrations Note Before moving the beam adjustment plate loosen the detector set bolts just enough to make the plate movable for snug adjustment 4 5 Moisture Interference Compensa
45. e 3 5 2 3 SETTING OF CALIBRATION RANGE Use the About Calibration Range submenu to configure the instrument for calibration on one or two ranges for a channel To set calibration one or both ranges l From the measurement mode press the MODE key to display the user mode Point the cursor to Calibration Parameters by pressing the UP or DOWN key and press the ENT key In the Calibration Parameters screen that appears point the cursor to About Calibration Range by pressing the UP or DOWN key Press the ENT key Cal Parameters Select an item with UP DOWN and ENT Back with ESC Calibration Valve About ZERO Calibration T About Calibration Range Auto Calibration Components Range In the next screen that appears point the cursor to the channel you want to set by pressing the UP or DOWN key then press the ENT key On the calibration range selection screen that appears select both or current by pressing the UP or DOWN key If both is selected zero or span calibration is performed with Range and Range 2 of the selected channel If current is selected zero or span calibration is Teledyne Analytical Instruments 50 Infrared Gas Analyzer Operation performed only for the range displayed when calibration of the selected channel is performed ect Ch No Cal Settings Cal Range Rangel Range u ppm 1 2 Range
46. e Switch Ranges option and press ENT The Channel Selection screen appears Select Ch No with UP DOWN and ENT Back with ESC gt Rangel Range gt Rangel Range gt Rangel Range gt Rangel L Range gt Rangel Range 3 Move the cursor by pressing the UP DOWN keys to the desired channel and press ENT There are 3 range switch modes in the second column to select from MR Manual selection RR Remote range switch AR Autoranging The selected range switch mode is highlighted for the channel you selected 4 Press the UP DOWN keys to toggle between the available switch modes 5 Then press the ENT key to confirm the selection 3 5 1 1 MANUAL RANGE SWITCHING To manually switch between analysis ranges 1 Select the MR option from the Switch Range screen and press the ENT key Teledyne Analytical Instruments 43 Operation Model 7600 Switch Range Select method of Switch ranges with UP DOWN and ENT Back with ESC Chl mm Rangel 0 100 pp NOx Range U 2000 pp Ch2 AR Rangel 0 100 S502 b Range Ch3 gt Rangel 0 CO2 RR Range 0 2 0 Ch4 wp gt Rangel 0 100 ppn co Range 0 2000 ppm Ch5 ve Rangel 0 10 vol 02 i Range 0 25 vol 2 Move the highlight of the cursor to range selection and select the desired range using the UP DOWN keys The highlighted arrow indicates the currently selected range 3 Press ENT t
47. e in the same way as the general auto calibration Auto calibration is started by opening the auto calibration remote start input termi nals after short circuiting for 1 5 seconds or longer Auto zero calibration is carried out periodically at the preset cycle This cycle is independent of Auto calibration cycle When zero calibration gas and solenoid valve for opening closing the calibration gas flow line are prepared externally by the customer zero calibration will be car ried out with the solenoid valve drive con tact for zero calibration turned on off at the set auto zero calibration timing Auto zero calibration cycle setting Auto zero calibration cycle is set Teledyne Analytical Instruments 113 Appendix Model 7600 Setting is variable within 1 to 99 hours in increments of 1 hour or Setting is variable within 1 to 40 days in increments of 1 day Gas flow time setting The timing for flowing zero gas in auto zero calibration is set Settable 60 to 900 seconds in increments of 1 second Upper lower limit alarm Alarm contact output turns on when mea surement value reach to the preset high or low limit alarm value Contacts close when the channel value of each channel becomes larger than the high alarm limit value or smaller than the low alarm limit value Instrument error contact output Contacts close at occurrence of analyzer error No 1 3 or 10 Calibration error contact output
48. e of average action In the example shown in Figure 3 14 the average period was set to 1 hour Reset Average value Time 1 Time Figure 3 14 Example Average Period Sampling occurs every 30 seconds so every 30 seconds the average for the last 1 hour time setting is output At the instant of resetting zero is assumed for all past values This means that the average value will be incorrect for 1 hour 1 time period after resetting 3 5 7 5 BACKLIGHT TIMER Automatic OFF setting of the backlight of the LCD unit can be adjusted from this menu Upon returning to the measurement screen when the specified time elapses the backlight is automatically turned off During operation Teledyne Analytical Instruments 80 Infrared Gas Analyzer Operation pressing any key will turn the backlight back ON for the specified duration Parameter Current Time 05 01 27 THU 13 50 Key Lock OFF Output Hold ON Previous value Reset Av Output Reset Response Time Average Period Backlight Timer fm 5min To Maintenance Mode 0000 When ON is selected the time until auto OFF is displayed To change the backlight automatic shut off time 1 Select Parameter Setting from the user screen 2 With the UP or DOWN key select Backlight Timer and press ENT 3 Ifthe timer is not set to ON change its state by pressing the ENT key when OFF is highlighted 4 Press the SIDE key to move the cursor to the time value and t
49. easuring components Also the measurement range of O average value is the same as that of Oo 3 3 2 Setting Selection Screen The setting selection screen is configured as shown in Figure 3 5 e In the status display area the current status is displayed e Inthe message display area messages associated with operation are displayed e In the setting item and selection item display area items or values to be set are displayed as required To work in a particular area move the cursor to any item by using the UP DOWN and LEFT RIGHT keys Teledyne Analytical Instruments 40 Infrared Gas Analyzer Operation enone Message display area LCD screen 3 Status display area a Fa P aeeem5 ne Setting item selection item display area Figure 3 5 Setting Selection Screen Areas 3 4 Basic Operation Measurement mode The measurement mode is the default mode of the instrument and appears when the unit is first turned on It displays information about the process being analyzed such as channel number component species analyzed concentration or calculated value etc In this mode the display can show up to 5 channels on a single screen To view additional channels scroll down by pressing the DOWN key or back up using the UP key Each press scrolls the screen by one channel You can also calibrate the instrument from this mode by pressing the appropriate ZERO or SPAN button See Section 3 7 Calibration
50. er the user mode User Mode Select an item with UP DOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting 2 Move the cursor to the Switch Ranges option and press ENT The Channel Selection screen appears Select Ch No with UP DOWN and ENT Back with ESC Rangel 00 Range 0 2000 Rangel UU Range Rangel Range gt Rangel Range gt Rangel Range 3 Move the cursor by pressing the UP DOWN keys to the desired channel and press ENT The selected range switch mode is highlighted for the channel you selected 4 Press the UP DOWN keys to toggle between the available switch modes until RR is displayed 5 Press the ENT key to accept the selection Teledyne Analytical Instruments 45 Operation Model 7600 3 5 1 4 AUTORANGING The Model 7600 can be set to autorange where the instrument will select the analysis range automatically To use the autorange feature AR must be selected for the switch mode Note that each channel is independent so that autoranging can be used for some or all of the available channels the remaining channels can be configured to manual or remote switching To setup autoranging use the same procedure as Section 3 5 1 1 except you must select AR for the switch mode on the channel or channels you want to autorange 3
51. eresis Example for a High Limit Alarm An alarm output is turned ON if measurement value exceeds the upper limit value as shown in Figure 3 6 Once the alarm output has been turned ON it is not turned OFF until the process value falls below the hysteresis width Note The hysteresis setting is common to all alarms To set the hysteresis value 1 From the Alarm No Selection screen point the cursor to Hysteresis by pressing the UP or DOWN key then press ENT Alarm Setting Select Alarm No or Hysteresis setting Alarm 4 Alarm 2 Alarm 3 Alarm 4 Alarm 5 Alarm 6 SS Hysteresis 00 XFS 2 In the Hysteresis Value Setting screen that appears enter hysteresis values using the UP or DOWN keys to increment or decrement a digit Use the SIDE key to move to the next digit When finished press ENT Teledyne Analytical Instruments 57 Operation Model 7600 To close the Hysteresis Setting or cancel the mode midway press the ESC key A previous screen will return 3 5 4 Setting of Auto Calibration 3 5 4 1 AUTO CALIBRATION Auto calibration is automatically carried out when zero and span calibrations are set In this menu you can set when and how frequent the auto calibration is performed You also enable or disable the auto calibration feature here Description of setting items Start Time Setting at the first calibration day of the week hour minute Cycle A period between t
52. essing the UP or DOWN key Then Press ENT 4 Enter numeric values by using the UP or DOWN keys Use the SIDE key to move the cursor to the right After setting press the ENT key to save the parameter setting Teledyne Analytical Instruments 74 Infrared Gas Analyzer Operation Select setting item G Current Time 05 01 27 THU 13 50 Key Lock OFF Output Hold OFF Current Reset Av Output Reset Response Time Average Period Backlight Timer ON 5min To Maintenance Mode 0000 To close the Setting of Auto Calibration or cancel the mode midway press the ESC key A previous screen will return Settings range Hold setting 0 to 100 FS Response time 1 to 60 sec Initial value 15 sec Average period 1 to 59 min or 1 to 4 hours Initial value 1 hour Backlight Timer 1 to 60 min Initial value OFF Maintenance mode 0000 to 9999 Initial value 0000 3 5 7 1 OUTPUT HOLD By setting an output hold to ON the output signal of each channel is held during the calibration manual calibration and auto calibration plus the gas flow time as shown in Figures 3 10 through 3 12 Refer to Section 3 5 4 Setting of Auto Calibration for a description of the gas flow time Regardless of Hold ON OFF setting an output signal can always be held via an external input Manual calibration zero oF N Press the T key to flow gas Ew To execute calibration press the Enr key 7 Calibration Hold extendin
53. et Measuring Unit 2 Measuring Unit 1 L m j Two Sample lt a r Cells i i OP a eee 1 e PP ee TA Built In i Built In 7 O2 Sensor 02 Sensor 5 Su Sample Gas Inlet Measuring Sample Gas Outlet Unit 1 Sample Gas Inlet Measuring Sample Gas Outlet Unit 2 Figure 2 4 Internal Piping with Single or Dual Measuring Units Depending on the options chosen the analyzer can be configured in several ways Table 2 1 lists the possible configurations for single and dual measuring units with 1 to 4 component meters Teledyne Analytical Instruments 26 Infrared Gas Analyzer Installation Table 2 1 Correspondence of Measured Components and Measuring Units Measuring components Measuring unit 1 Measuring unit 2 1 component meter for NO Each component None SO COs CO and CH 2 component meter for NO SOz None NO SOz and CO CO CO CO 2 component meter for NO CO NO CO 3 component meter for NO SO CO NO SO2 CO 4 component meter for NO SO gt CO CO NO SO2 CO2 CO 2 5 2 External Piping Diagram There are several ways to bring sample gas to the analyzer depending on the number of inlet outlet gas connections on your instrument Recommended piping diagrams are shown in Figures 2 5 2 6 and 2 7 Figure 2 5 is a schematic for an instrument with a single pair of inlet outlet gas connections Figures 2 6 and 2 7 are used when there are two pair of inlet
54. f a channel has been set to autoranging Teledyne Analytical Instruments 51 Operation Model 7600 AR it will be calibrated in the range set in this menu when auto calibration is performed From this menu you can enable or disable the auto calibration feature To navigate to the Auto Calibration Components Range menu 1 From the measurement mode press the MODE key to display the user mode 2 Point the cursor to Calibration Parameters by pressing the UP or DOWN key and press the ENT key 3 In the Calibration Parameters screen that appears point the cursor to Auto Calibration Components Range by pressing the UP or DOWN key Press the ENT key 4 Inthe Calibration Parameters screen that appears point the cursor to Auto Calibration Components Range by pressing the UP or DOWN key Then press the ENT key Cal Parameters Select an item Calibration Valve About ZERO Calibration About Calibration Range 3 Auto Calibration Components Range Cal Settings Select Ch No Auto Cal bRangel U 100 ppm Range 0 200 ppm enable bRangel l 1 ppm Range 0 2000 ppm enable bRangel 0 10 vol erable Ranger O20 vol bRangel 0 1 ppm Range 0 20 enable angel 0 1 pRange 0 25 enable To set the range used for auto calibration 1 In the Auto Calibration Components Range selection screen that appears point the cursor to the channel whose
55. g time Output hold Time set to gas flow time See Auto Calibration Figure 3 10 Output Hold for Manual Calibration Teledyne Analytical Instruments 75 Operation Model 7600 Auto calibration Auto calibration start Auto calibration end l Calibration _ Hold extending time Output hold Time hold set to the aas flow time Figure 3 11 Output Hold for Auto Calibration External hold Remote hold Input Output hold Figure 3 12 Output Hold for External Hold Screen display during hold For Auto calibration and external holds the on Hold message will be shown blinking on the measurement screen In a manual calibration the screen displays the process of calibration so the on Hold message is not displayed even if the output signal is held However on Hold message is displayed during the hold extending time shown in Figure 3 10 For both manual and auto calibration if the calibration is cancelled after the calibration gas has been directed to the analyzer the hold extending time will be performed There are two types of hold values that you can use current or setting Current uses the existing value immediately before entering output hold while setting uses an arbitrary value that you set before initiating the hold To change or set the value for a hold Teledyne Analytical Instrument
56. he start time of one calibration and another unit hour day Flow Time The time required for replacement by calibration gas Time required for replacement of sample gas after the calibration is completed Set by calibration gas ON OFF Enable disable the auto calibration feature Note Before changing the settings of auto calibration set the ON OFF to OFF To change the settings 3 From the measurement mode press the MODE key to display the user mode 4 Point the cursor to Setting of Auto Calibration by pressing the UP or DOWN key and press the ENT key Teledyne Analytical Instruments 58 Infrared Gas Analyzer Operation User Mode Select an item Switch Ranges Calibration Parameters Alarm Setting E Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting 5 In the Setting of Auto Calibration screen that appears point the cursor to any item you want to set by pressing the UP or DOWN key Press the ENT key 6 In the Auto Calibration Parameter Setting screen that appears perform the value entry or the setting For the value entry or setting change use the UP or DOWN key To change the setting use the SIDE key to move the cursor to the right Set Auto Cal Select setting item D Start Time SUN 12 00 Cycle OF day Flow Time ON OFF OFF Time MON 12 34 Auto Calibration Run 7 After changing the setting press the EN
57. he time setting can be changed using the UP and DOWN keys Press the ENT key to confirm the selection Note When OFF is selected the backlight remains ON and is not turned off automatically 3 5 7 6 MAINTENANCE MODE The maintenance mode is covered in section 3 6 It is a detailed password protected set of screens that allows you to check sensor input values review error logs set passwords and more The default password setting for entering this mode is 0000 Use this password to initially enter the maintenance mode and then change it to one you can easily remember To enter the maintenance mode 1 From the measurement screen press the MODE key to open the user mode screen Teledyne Analytical Instruments 81 Operation Model 7600 2 Select Parameter Setting from the user screen 3 With the UP or DOWN key select Maintenance Mode and press ENT 3 6 Maintenance Mode This mode is used for checking sensor input values error log file display or setting of passwords etc A password is required to enter this mode To get to the maintenance mode screen select Maintenance Mode from the Parameter Setting menu See Section 3 5 7 Parameter Setting This brings up a screen for entering the password Enter the 4 digit password using the UP and DOWN keys and the SIDE key to move to the next digit Press ENT when complete If the password is entered correctly the maintenance mode screen will appear on the display
58. in detector is used for infrared measurements By utilizing a single beam double path design in conjunction with a serial dual layer transmission detector the Series 7600 delivers long term drift free performance The concentration of the desired gases is displayed on a large easy to read back lit LCD Figure 1 1 shows the standard rack mountable Model 7600 The user interface is very intuitive and the menu mode selection buttons which are readily accessible provide the operator with dynamic control and extensive diagnostic capabilities 1 2 Main Features of the Analyzer The Model 7600 Infrared Gas Analyzer is designed for accurate and reliable gas analysis and is easy to operate The following features are standard on the 7600 instrument Teledyne Analytical Instruments 15 Introduction Model 7600 a MODEL 7600 struments In ne Analytical e a Teledy Figure 1 1 Model 7600A Infrared Gas Analyzer e Simultaneous measurement of up to five components e Excellent long term stability e Large easy to read LCD display showing all simultaneous measurements and computations e Slide out chassis design to facilitate any optical or maintenance adjustments required to fine tune analyzer performance 7600A e Multiple in depth on screen analyzer functions easily accessible using the front panel user interface buttons e Follow amp Hold output signal control during calibration e Remote range change control
59. key to accept the change Auto zero calibration will now be carried out using the entered setting value To close the Setting of Auto Calibration or cancel the mode midway press the ESC key A previous screen will return The contacts for the auto zero calibration are closed during auto zero calibration Auto Zero Calibration Example Start Time SUN 12 00 Cycle 12 hour Flow Time 300 sec ON OFF ON Figure 3 8 shows the auto zero calibration with the above settings Teledyne Analytical Instruments 66 Infrared Gas Analyzer Operation Sunday Monday Monday 12 00 Cycle 0 00 12 00 C l E7 Auto zero calibratic Zero Replace ment calibration time 300sec 300sec a a a a Gas replacement time after calibration is the same as the flow time Flow time Figure 3 8 Example Auto Zero Calibration Note When an auto zero calibration starts the measurement screen automatically appears Any operation other than Stop Auto Zero Calibration see Section 3 5 4 5 is not permitted during auto calibration Stop Auto Zero Calibration cannot be performed when the key lock is ON To cancel auto zero calibration set the key lock to OFF and then execute Stop Auto zero Calibration 0 If the auto calibration period and auto zero calibration period have overlapped the auto calibration is retained ignoring the auto zero calibration of that period If the auto calibr
60. l or SPAN cal will appear on the measurement screen For example if channels 1 and 2 have the auto calibration setting enabled when the calibration event takes place both channels 1 and 2 will indicate ZERO cal when the zero calibration is being performed Zero calibrations are performed first and all enabled channels will zero simultaneously 3 kena a eean Ch s K When the zero calibrations are finished channel 1 will enter the span calibration followed by channel 2 me O Da Q O ji o r o el i 3 5 4 4 REMOTE START An auto calibration is always available by keeping the remote start input closed for at least 1 5 seconds The remote start can initiate an auto calibration whether the parameter setting is ON or OFF 3 5 4 5 FORCED RUN STOP OF AUTO CALIBRATION Auto calibration can be performed manually or forcibly stopped while the calibration is performed Teledyne Analytical Instruments 62 Infrared Gas Analyzer Operation 3 5 4 5 1 MANUAL EXECUTION OF AUTO CALIBRATION To perform the auto calibration cycle manually 1 From the measurement mode press the MODE key to display the user mode 2 Point the cursor to Setting of Auto Calibration by pressing the UP or DOWN key and press the ENT key 3 In the Setting of Auto Calibration item selection screen that appears point the curs
61. l 0 1 ppm Range 0 2000 ppm Rangel Wore current 2 1 N chi NOx Ch2 CR CaN ico cI MAIO OOo ooo Cc lt ae ae Range O Rangel 0 100 ppm oe 2000 eh ange VO n Range 1 2 vol 6 Press the ENT key after the selection and the specified calibration is set coc To close the calibration range selection screen or cancel this mode midway press the ESC key The previous screen will return Note To perform calibration for both set the same calibration gas concentration for both ranges After setting the calibration range to both you will notice in the Manual Calibration screen see Section 3 7 that there are cursors next to both ranges whereas there would only be a single cursor next to the range for calibration if current was set For example if channel 1 and channel 4 were set to both then cursors will appear in both ranges of Chl and Ch4 in the Manual Calibration screen shown below ZERO Cal ENT Go on calibration of selected Ch ESC Not calibration Chl p gt Rangel 0 1 0 6 NOx PRange a ange f Ch2 Rangel 0 10 02 Range U Ch3 PRangel 0 10 CO2z Range l vol U Ch4 PRange 0 100 ppm O 1 co Range 0 2000 ppm Ch5 Rangel 0 10 vol O2 Range 0 25 volXI 21 00 3 5 2 4 SETTING OF AUTO CALIBRATION COMPONENT RANGE This menu is used to select the channel and the range in which auto calibration is to be performed I
62. larrm 3 Alarm 4 Alarm 5 Alarm 6 Hysteresis 00 XFS Teledyne Analytical Instruments 55 Operation Model 7600 4 The alarm item selection screen will appear where you can select the alarm type assign it to a channel define setpoints and enable or disable the alarm Use the UP or DOWN keys until the cursor is aligned with the desired function and press the ENT key Note Setpoints are adjustable form 0 to 100 of fullscale however they must be defined so that H limit value gt L limit value and that H limit value L limit value gt hysteresis Alarm Setting select an item ca Alarm 4 with U an re Back with ESC G Channel Ch 1 H Limit Range 4 100 0 ppm Range 2 2000 ppm L Limit Range 1 000 0 ppm Range2 0000 ppm Kind of Alarm High ON OFF OFF 5 After setting the last feature store the values by pressing ENT again To close the Alarm Setting screen or cancel this mode midway press the ESC key The previous screen will return 3 5 3 2 HYSTERESIS SETTING The hysteresis setting is used prevent chattering of an alarm output near the alarm setpoint The hysteresis value range is 0 20 of fullscale on any analysis range Figure 3 6 shows the hysteresis width in fullscale set for a high limit alarm Teledyne Analytical Instruments 56 Infrared Gas Analyzer Operation T Upper limit value Hysteresis width t ON conductive Alarm fi 4 Contact output OFF open Figure 3 6 Hyst
63. lection screen that appears point the cursor to any item you want to set by pressing the UP or DOWN key Then press the ENT key Peak Alarm Select setting item Q Peak Alarm OFF Alarm Value 0500 ppm Alarm Count 05 times Hysteresis O00 XFS 5 Enter numeric values by using the UP or DOWN keys Use the SIDE key to move the cursor to the right Press the ENT key to save the change To close the Peak Alarm Setting or cancel the mode midway press the ESC key A previous screen will return Description of setting items Peak Alarm ON OFF of peak alarm Alarm Value If measuring value exceeds the set alarm value in ppm a peak counter increments by 1 Alarm Count When a peak in excess of the alarm value occurs a peak count is incremented The alarm count is Teledyne Analytical Instruments 71 Operation Model 7600 the numerical value which upon reaching will trigger the peak alarm Hysteresis To prevent possible chattering when the measuring value may exceed the set peak concentration by only 1 time the peak count has an allowance in the hysteresis width Setting range Alarm value 10 to 1000 ppm 5 ppm step initial value 500 ppm Alarm count 1 to 99 times initial value 5 times Hysteresis 0 to 20 of full scale initial value 0 of full scale Action of peak alarm If CO concentration exceeds the alarm value counting will begin If the number of peaks is over the set times per hour
64. ledyne Analytical Instruments 29 Installation Model 7600 lees ee ee el el 2 5 6 Purging the Analyzer In general purging the analyzer is not required unless one of the following cases apply A combustible gas component is contained in sample gas Corrosive gas is contained in the atmospheric air at the installation site The same gas as the sample gas component is contained in the atmospheric air at the installation site In the above situations the inside of analyzer should be purged with instrument air or N2 Use a purge flow rate of about 1 L min Use a filter to remove dust or mist from the purge gas 2 5 7 Sample Gas Pressure The sample gas pressure at the outlet should be atmospheric pressure 2 5 8 Example configuration of gas sampling system A typical system configuration with five component gas analysis for monitoring combustion exhaust gas from boiler refuse incinerator etc is shown in Figure 2 8 Contact Teledyne for specific application system configuration or further information The system shown is comprised of Model 7600 with dual measuring unit option and external zirconia oxygen sensor Gas Extractor with stainless steel filter of standard mesh 40 um equipped with integral heater Mist Filter to remove condensate mist and dust from the sample before it enters the analyzer Safety Drain Trap with two compartments for positive and negative pressure It monitors and adjusts the sa
65. less no condensation Teledyne Analytical Instruments 22 Infrared Gas Analyzer Installation 2 3 Mounting the Analyzer The 19 rack mountable 7600 analyzer is designed for either a guide rail or slide rail mounting within a rack or cabinet The guide rail method supports the weight of the instrument from the bottom and can be used when there is adequate space for removing the top cover for maintenance The slide rail mount supports the instrument from sliders mounted on the side of the instrument as shown in Figure 2 1 The instrument is then able to slide out of the rack or enclosure for required access during maintenance 101 6 EIA or 100 JIS M6 Slide 450 or more Rail a 465 gt Figure 2 1 Slide Rail Mounting Dimensions 2 4 Mounting the Input Output Terminal Module The input output module is the electronic interface that handles the various signals to and from the analyzer It consists of up to five terminal blocks a communications connector a cable connector and a solenoid drive output connector mounted together on a single mounting plate See Figure 2 2 Mount the input output terminal module to the rack or cabinet panel using the six M4 screws supplied For grounding see Figure 2 3 Note To avoid noise generated from external units mount the IO terminal module mounting plate to the panel making sure there is adequate metal contact for continuity at the Teledyne Analytical Instruments 23
66. lightly corroded infrared transmission window sample cell can be remedied by gentle rubbing with chromium oxide powder on a cleani cloth but if excessively corroded it must be replaced Do not use excessive force when cleaning the window Reinstall the cell after cleaning Be sure to perform an optical zero adjustment Section 4 4 and moisture interference compensation adjustment Section 4 5 prior to analysis 4 3 2 Cleaning the Cell Block 1 Turn off the power switch stop the sample gas and allow the zero gas to flow for several minutes to purge the cell interior 2 Loosen the 2 setscrews that secure the top cover and remove it 3 Remove the internal gas inlet tube 4 Loosen the 2 detector set bolts See Figure 4 5 Note The gas distribution block cell block and detector are fastened by the same bolts Teledyne Analytical Instruments 97 Maintenance Model 7600 Inlet Tube Nut Detector Secure Nut Figure 4 5 Detector Secure Nut 5 Using the furnished cell mounting tool turn the window fixture to the left and remove it from the cell See Figure 4 6 6 For cleaning the infrared transmission window and cell inside surface first eliminate coarse dust using a soft brush and then wipe clean with a soft rag CAUTION THE WINDOW IS EASILY SCRATCHED USE EXTREME CARE WHEN PERFORMING THIS OPERATION SO AS NOT TO DAMAGE IT 7 After cleaning reinstall the sample cell and perform an optical zero adju
67. mple gas pressure Gas Aspirator to aspirate the sample gas Electronic Gas Cooler used to dry the sample gas to a dew point of approximately 2 C 35 6 F Teledyne Analytical Instruments 30 Infrared Gas Analyzer Installation Gas Extractor Solenoid Valve for introducing calibration gas and OFF ON flow of sample gas Membrane Filter PTFE filter for rempval of fine dust particles Flowmeter adjusts and monitors the sample gas flowrate Standard Gas a bank of calibration gases used for setting zero and span of the analyzer for each species monitored Zirconia Sensor an external zirconia sensor is used for measuring the oxygen concentration in the sample gas Some instruments use a built in paramagnetic oxygen sensor instead aof an external zirconia sensor NO2 NO Converter added to the NO analysis circuit which uses an efficient catalyst for converting NO to NO for analysis Mist Filter Gas Aspirator Q Regulator 1 Membrane Filter rer peer Solenoid Valve Zirconia 02 Sensor Drain Figure 2 8 Five Component Analysis System Teledyne Analytical Instruments 31 Installation Model 7600 D Ee St Mt ee 2 6 Electrical Connections 2 6 1 Power Inlet The power inlet for the Model 7600 is located on the rear panel as shown in Figure 2 9 The proper 3 prong power cord has been
68. n the calibration is performed according to the order in which the channels were set to enable For Span the calibration begins with the lowest channel number first and proceeds sequentially to the highest channel number set to enable 3 5 3 Alarm Setting The Model 7600 is equipped with 6 alarms 5 or 6 concentration and a power failure alarm The alarm configuration and settings can be assigned to any channel and adjusted at any time by entering the user mode and navigating to the Alarm Setting submenu Arbitrary 6 alarm contact outputs are used which can be configured as Teledyne Analytical Instruments 53 Operation Model 7600 e High Limit sets the upper value concentration above which the alarm will trigger Has an on screen display e Low Limit sets a lower value concentration below which the alarm will trigger Has an on screen display e High or Low Limit triggers an alarm when the concentration is above the high limit or below the low limit e High High sets the upper value concentration above which the alarm will trigger e Low Low sets a lower value concentration below which the alarm will trigger e Power Failure Alarm 6 only normally closed contacts open when power is removed Configuring the alarms involves e Selecting the alarm type e Assigning it to a channel e Establishing setpoints concentration alarms only e Enabling or disabling it A channel can be configured for mul
69. nents e 7600 Analyzer e Input Output terminal module set e Connection cable e Power cable e Fuse 2 e Cell window mounting tool e Slide rail 2 e Relay board for auto calibration e Relay board connection cable e Instruction manual Teledyne Analytical Instruments 21 Installation Model 7600 lees ee ee el el These optional items are included if specified at the time of purchase As soon as you receive the instrument carefully unpack and inspect the analyzer and components for damage Immediately report any damage to the shipping agent The analyzer is shipped with all the materials you need to install and prepare the system for operation 2 2 Choosing a Location CAUTION THIS UNIT IS NOT EXPLOSION PROOF DO NOT INSTALL IT IN A LOCATION WHERE EXPLOSIVE OR A N FLAMMABLE GASES ARE PRESENT Select an installation location that meets the following criteria e This instrument should be rack mounted or mounted in a steel enclosure e Indoor location e Vibration free e Not exposed to direct sunlight e Clean and non cluttered space e Depending on the options selected at the time of purchase the model 7600 requires an AC power source of 100V to 240V AC e Operating voltage 85V to 264V AC e Rated frequency 50 60 Hz e Power consumption 250 VA max e Plug Comformity to EN60320 class I type 3 pin inlet e Operation conditions e Ambient temperature 5 to 45 C e Ambient humidity 90 RH or
70. neration gas analysis e Ammonia Fertilizer process gas stream analysis e Continuous Emissions Monitoring Systems CEMS Teledyne Analytical Instruments 17 Introduction Model 7600 e Biochemistry and fermentation e Automotive emission analysis e Explosive and toxic gas analysis e Chemical analysis e Refinery operation e Research applications 1 5 Description of the Main Unit Teledyne s Series 7600 Infrared Gas Analyzer measures the concentration of NO SO2 CO2 CO and CH in a gas mixture on a continuous basis The Series 7600 can also be supplied with an oxygen sensor which allows the simultaneous measurement of oxygen concentration as well The NEMA 4 enclosure can be X or Z purged to satisfy hazardous area installation requirements The system uses a high sensitivity mass flow type twin detector for infrared measurements A single beam double path optical bench is installed in conjunction with a serial dual layer transmission detector The concentration of the desired gases is displayed on a large easy to read backlit LCD The user interface is very intuitive and the menu mode selection buttons which are readily accessible provide the operator with dynamic control and extensive diagnostic capabilities See Figure 1 2 The front panel mounted power switch turns the instrument on and off while the display switch controls power to the display Front panel mounted handles make sliding the instrument out of
71. ng the UP or DOWN keys Press the ENT key Run is highlighted displaying a message to confirm the execution of auto calibration Press the ENT key to execute the auto calibration or press the ESC key to cancel Teledyne Analytical Instruments 68 Infrared Gas Analyzer Operation Auto zero Run ENT Run Stop ESC Cancel Start Time SUN 12 00 Cycle O7 day Flow Time 300 sec ON OFF OFF Time MON 12 34 Auto Zero Calibration 3 5 5 2 2 FORCIBLY END AN AUTO ZERO CALIBRATION To abort an auto zero calibration event 1 From the measurement mode press the MODE key to display the user mode Point the cursor to Setting of Auto Calibration by pressing the UP or DOWN key and press the ENT key User Mode Select an item with UP DOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration T Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting In the Setting of Auto Calibration item selection screen that appears point the cursor to Auto Calibration Run by pressing the UP or DOWN keys Press the ENT key Stop is highlighted displaying a message to confirm the stop of auto calibration Press the ENT key to stop the auto calibration or press the ESC key to cancel the abort Teledyne Analytical Instruments 69 Operation Model 7600 Set Auto Auto Zero Stop Zero Cal E
72. ns While this instrument may be able to provide early warning of imminent danger it has no control over process conditions and it can be misused In particular any alarm or control systems installed must be tested and understood both as to how they operate and as to how they can be defeated Any safeguards required such as locks labels or redundancy must be provided by the user or specifically requested of TI AI at the time the order is placed Therefore the purchaser must be aware of the hazardous process conditions The purchaser is responsible for the training of personnel for providing hazard warning methods and instrumentation per the appropriate standards and for ensuring that hazard warning devices and instrumentation are maintained and operated properly Teledyne Instruments Analytical Instruments the manufacturer of this instrument cannot accept responsibility for conditions beyond its knowledge and control No statement expressed or implied by this document or any information disseminated by the manufacturer or its agents is to be construed as a warranty of adequate safety control under the user s process conditions Teledyne Analytical Instruments i Infrared Gas Analyzer Specific Model Information Instrument Serial Number Instrument Range Calibrated for Background Gas Zero Gas Span Gas Teledyne Analytical Instruments ii Model 7600 Safety Messages Your safet
73. o accept the selection Measurement is now carried out using the selected range Note If RR or AR is selected as range switch mode manual range selection as described above is not possible The range for O2 correction value O2 correction average value and Oz average value is automatically switched if the corresponding instantaneous value range is switched To abort the range selection press the ESC key and the setting operation is made invalid and the previous screen appears 3 5 1 2 RANGE IDENTIFICATION CONTACT OPERATION In all of the range switch modes MR RR AR the status of the range identification relay contact corresponding to each Ch component is closed when Range 1 is selected and open when Range 2 is selected Note that even if the range is switched while a hold of measurement is in place for instance by a remote hold contact input or the hold of measurement value during calibration the range identification contact maintains the contact state immediately before the hold After stop of the hold the contact state of the current range is resumed Teledyne Analytical Instruments 44 Infrared Gas Analyzer Operation 3 5 1 3 REMOTE RANGE SELECTION The range can be selected remotely if a remote switch has been installed To use this feature the range mode must be switched in the display to RR Remote Range To configure the instrument for remote range selection 1 Press the MODE key to ent
74. ocation where atmospheric air is clean A 7 EC Directive Compliance The product conforms to the requirements of the Low Voltage Directive 73 23 EEC and EMC directive 89 336 EEC as amended by Directive 92 31 EEC both as amended by Directive 93 68 EEC It conforms to following standards for product safety and electromagnetic compatibility e EN61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Installation Category II Pollution Degree 2 e EN61326 1 1997 AI 1998 A2 2001 Electrical equipment for measurement control and laboratory use EMC requirements The product mounted in a steel enclosure conforms to the requirements of EMC directive Teledyne Analytical Instruments 118 Infrared Gas analyzer appendix A 8 Terminal Block Connections Terminal block 1 lt TN1 gt Ch5 output Ch5_OUT L 1 2 Ch output 3 Ch4_OUT i 4 Ch3 output 5 Ch3_OUT Ch2 output 7 Ch2_OUT i g Ch1 output 9 Ch1_OUT M3 5 screw Ch10 output _ Ch10_OUT Ch9 output _ Ch9_OUT Ch8 output Ch8_OUT Ch7 output Ch7_OUT Ch6 output Ch6_OUT Terminal block 3 lt TN3 gt Unassigned i Unassigned y R_HOLD L Average value reset input RESET L Auto calibration r remote start L input R_CAL 10 M3 5 screw 1 2 3 4 Remote hold input r _5 6 7 8 9
75. onal v website address v Teledyne Analytical Instruments 125 Index Model 7600 k el Teledyne Analytical Instruments 126
76. or to Auto Calibration Run by pressing the UP or DOWN keys Press the ENT key User Mode Select an item with UP DOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting CS Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting 4 Run is highlighted displaying a message to confirm the execution of auto calibration Press the ENT key to execute the auto calibration or press the ESC key to cancel Set Auto Cal Auto Cal Run ENT Run Stop ESC Cancel Start Time SUN 12 00 Cycle OF day Flow Time ON OFF OFF Time MON 12 34 Auto Calibration 3 5 4 5 2 FORCIBLY END AN AUTO CALIBRATION To abort an auto calibration event Teledyne Analytical Instruments 63 Operation Model 7600 5 From the measurement mode press the MODE key to display the user mode 6 Point the cursor to Setting of Auto Calibration by pressing the UP or DOWN key and press the ENT key 7 Inthe Setting of Auto Calibration item selection screen that appears point the cursor to Auto Calibration Run by pressing the UP or DOWN keys Press the ENT key User Mode Select an item with UP DOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting CS Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting 8 Stop is highlighted displaying
77. ount exceeds the setting time It remains open below the setting time For setting and operation refer to Item 6 6 Peak alarm setting Contact output of auto calibration status When the auto calibration is carried out it is conductive Remains open otherwise Pump ON OFF contact output Used when turning ON OFF the pump It is open during auto and manual calibration status and conductive during measurement Calibration error contact output It is conductive when an error occurs during zero calibration or span calibration It is normally open It is conductive when an error occurs to the analyzer unit It is normally open For internal connection wiring is not allowed Do not use it as junction terminal Teledyne Analytical Instruments 122 Infrared Gas analyzer appendix Terminal 5 lt TN5 gt Terminal Cant 5 Between 2 3 and 4 Alarm 3 output lt gt is iesiohad P a Uneneigned When the output exceeds the set Aa er value it is conductive between2 Al 3 ut Alarm 6 arm Aries a as and 3 and open between 3 and y 4 44 ALM_6 4 Otherwise it is open bet EE ween 2 and 3 and conductive Alarm 2 output Alarm 5 between 3 and 4 ALL 6 16 output 7 47 ALM_5 Between 5 6 and 7 Alarm 2 output m 8 18 jm When the output exceeds the set Alarm ALMI 9 19 N ap value it is conductive between 10 20 ALM_4 5 and 6 and open between 6
78. ounting the Input Output Terminal Module 2 5 Gas Connections 2 5 1 Internal Piping Diagram 2 5 2 External Piping Diagram 2 5 3 Gas Conditioning 2 5 4 Flowrate 2 5 5 Preparation of Calibration Gas 2 5 6 Purging the Analyzer 2 5 7 Sample Gas Pressure 2 5 8 Example configuration of gas sampling system 2 6 Electrical Connections 2 6 1 Power Inlet 2 6 2 Input Output Terminal Module 2 7 Testing the System Teledyne Analytical Instruments 0 vi Infrared Gas Analyzer Operaatio Msani rieapete stares pteanstapeaateaupeuanuaaraaaseanpoueneaneas 3 1 General Information 3 2 Display and Available Menus 3 3 The Display Screen 3 3 1 Measurement Mode 3 3 2 Setting Selection Screen 3 4 Basic Operation 3 5 Setting Up the Analyzer in the User Mode 3 5 1 Switch Ranges 3 5 1 1 Manual Range Switching 3 5 1 2 Range identification contact operation 3 5 1 3 Remote Range Selection 3 5 1 4 Autoranging 3 5 2 Calibration Parameters 3 5 2 1 Calibration Value 3 5 2 2 Setting of Manual Zero Calibration 3 5 2 3 Setting of calibration range 3 5 2 4 Setting of auto calibration component range 3 5 3 Alarm Setting 3 5 3 1 Configuring the Alarms 3 5 3 2 Hysteresis Setting 3 5 4 Setting of Auto Calibration 3 5 4 1 Auto Calibration 3 5 4 2 Gas Flow Time Setting 3 5 4 3 Cycle Setting Range 3 5 4 4 Remote Start 3 5 4 5 Forced Run Stop of Auto Calibration 3 5 5 Setting of Auto Zero Calibration 3 5 5 1 Auto Zero Calibration 3 5 5 2 Forced run stop of auto
79. outlet connections Note that a NO2 NO converter is used when NO measurement is used for NOx analysis Sample gas Analyzer Flowmeter Filter 0 5 L min Gas in m Gas outlet L Exhaust Figure 2 5 External Piping with Single Inlet and Outlet Teledyne Analytical Instruments 27 Installation Model 7600 ee Sample gas Filter o Analyzer NO NO Converter Flowmeter Gas in isas i o 0 5 L min Unit 1 Filter y o Gas out Flowmeter Gas in Meas 0 5 L min L Unit 2 Gas out Exhaust Figure 2 6 External Piping with Two Pair of Inlet Outlet 1 Flowmeter Sample gas Filter ae Py NO NO QO Converter Gas in Meas Filt Unit 1 ikter Gas out Gas in Meas Unit 2 Gas out _ Exhaust Figure 2 7 External Piping with Two Pair of Inlet Outlet 2 2 5 3 Gas Conditioning For optimum performance the sample gas should be treated as follows e A filter should be installed to remove any dust or particles in the sample gas For a final stage filter use a filter that can remove dust particles of 0 3 um Teledyne Analytical Instruments 28 Infrared Gas Analyzer Installation The dew point of the sample gas must be lower than the ambient temperature to avoid condensation in the analyzer If vapor is contained in the sampling gas the dew point should be lowe
80. point the zero calibration on the range indicated by the cursor is carried out Note If the selected channel was set for autoranging AR see Section 3 5 1 Switch Ranges the cursor automatically moves to the range selected in Setting of Auto Calibration Component Range Section 3 5 2 4 and calibration is carried out within that range Teledyne Analytical Instruments 90 Infrared Gas Analyzer Operation To close the Zero Calibration screen or cancel this mode midway press the ESC key A previous screen will return 3 7 2 Span Calibration Span calibration is used to perform a span point adjustment It requires a span gas with a known concentration preferably 90 or more of the range value of the component being calibrated For oxygen when measuring with the built in O2 use a standard gas containing 90 or more of the range value Use a standard gas of about 2 vol when measuring with an external zirconia O3 sensor To span calibrate the analyzer 1 From the measurement screen press the SPAN key to display the Manual Span Calibration screen Select Ch No with UP DOWN and ENT Back with ESC bRangel U 1 0 CO Range 0 2000 ppm Ch5 Rangel 0 10 vol 02 pRange 0 25 vol 20 09 2 Select the channel to be calibrated by pressing the UP or DOWN key Then press the ENT key and the calibration gas will be supplied Note For channels that are set to both in the
81. rage value reset input short circuitting the contact input for at 1 5 sec min resets O average and O corrected average simulta neously Opening it restarts the average value For details refer to Item 6 7 Parameter setting Average Value Resetting Automatic calibration remote start input After shorting for 1 5 sec or more automatic calibration is started by the opening input whether the automatic calibration setting is ON OFF For details refer to Item 6 4 Setting of auto calibration ChS range identification contact output Ch4 range identification contact output Ch3 range identification contact output Ch2 range identification contact output Ch1 range identification contact output Action of range identification signal Range identification contact is conductive at low range and open at high range 121 eppenel Model 7600 Peak count alarm output PEAK_ALM Auto calibration status contact output CAL L Pump ON OFF contact output PUMP _ error con ouput CAL_ALM Instrument error comers Terminal block 4 lt TN4 gt r h zz Unassigned ae Tl Uasighsd 14 r 15 h Unassigned 16 r 17 f1 Unassigned 18 r 19 j7 z2 J Unassigned M3 5 screw Terminal 4 lt TN4 gt Between 1 2 Between 3 4 Between 5 6 Between 7 8 Between 9 10 Between 11 20 Peak count alarm contact output It is conductive when peak c
82. red for replacement by calibration gas Time required for replacement of sample gas after the calibration is completed Set by calibration gas ON OFF Enable disable the auto calibration feature Note Before changing the settings of auto calibration set the ON OFF to OFF To change the settings 1 From the measurement mode press the MODE key to display the user mode 2 Point the cursor to Setting of Auto Zero Calibration by pressing the UP or DOWN key and press the ENT key User Mode Select an item with UP DOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration SS Setting of Auto Zero Calibration Setting of Peak Alarm Parameter Setting Teledyne Analytical Instruments 65 Operation Model 7600 3 In the Setting of Auto Zero Calibration screen that appears point the cursor to any item you want to set by pressing the UP or DOWN key Press the ENT key 4 Inthe Auto Zero Calibration Parameter Setting screen that appears perform the value entry or the setting For the value entry or setting change use the UP or DOWN key To change the setting use the SIDE key to move the cursor to the right Set Auto Zero Cal Select setting item T Start Time SUN 12 00 Cycle Of day Flow Time 300 sec ON OFF OFF Time MON 12 34 Auto Zero Calibration Run 5 After changing the setting press the ENT
83. red to 0 C by using a dehumidifier If SO mist is contained in the sample gas use a mist filter or cooler to remove the SO mist Other mists should be removed by using an appropriate mist filter or cooler Corrosive gases such as Clo F2 and HCI if contained in the sample gas in considerable amounts will shorten the life of the instrument Sample gas temperature should be within 0 to 50 C Hot gas should not be fed directly into the instrument 2 5 4 Flowrate Use a flowrate of 0 5L min 0 2L min The sample system should be designed to avoid any flow fluctuation during measurement Use a flowmeter to observe the flow reading as shown in the external piping diagrams of Figures 2 5 2 6 and 2 7 2 5 5 Preparation of Calibration Gas Routine calibration using calibration gases is required for optimizing the performance of this instrument Once a week is a suggested calibration frequency Table 2 2 indicates the zero and span gas required for calibration Table 2 2 Zero and Span Gas Analyzer without Analyzer with built in Analyzer with external O2 O2 zirconia O2 sensor Zero gas No gas No gas Dry air Span gas Gas concentration Gas concentration of Gas concentration of 90 other than for Oz of 90 or more of full scale 90 or more of full scale or more of full scale Span gas for O analysis NA Gas concentration of 90 or more of full scale 1 to 2 Ox Te
84. rence for each component is already offset The values in the right column are the interference compensation coefficients used To change the coefficient 1 Move the cursor to a desired channel by pressing the UP or DOWN key and then press the ENT key The selected interference compensation coefficient at the right is highlighted 2 Check that the gas for moisture interference compensation is flowing Change the moisture interference compensation coefficient using the UP or DOWN key Adjust the value until the value in the left column is near zero Then press the ENT key to log moisture interference compensation value Note An interference compensation detector is not provided so if the 1st range is beyond 0 to 10 vol no interference adjustment can be performed no need 3 6 6 Output Adjustment Screen In this menu you can adjust the analog output First connect a digital multi meter to the output terminal corresponding to the output to be adjusted See the Appendix for terminal identification on the terminal blocks Adjust the value so that 4 mA or 0 V is output at zero and 20 mA or V is output at span Teledyne Analytical Instruments 86 Infrared Gas Analyzer Operation 1 3 From the output adjustment screen which accessible from the maintenance mode menu move the cursor with the UP or DOWN key to the output OUT No and zero span to be adjusted and then press the ENT key Maintenance Adjust OUTPUT
85. s from the top cover and remove it as shown in Figure 4 1 Remove the internal gas inlet tube 4 Loosen both right and left screws for cell holding plate and remove only the sample cell See Figure 4 2 5 Turn the sample cell window to the left and remove it from the sample cell See Figures 4 3 and 4 4 Teledyne Analytical Instruments 94 Infrared Gas Analyzer Maintenance 6 For cleaning the window and inside surface of the cell first eliminate coarse dust using a soft brush and then wipe with a soft rag CAUTION THE WINDOW IS EASILY SCRATCHED USE EXTREME CARE WHEN PERFORMING THIS AN OPERATION SO AS NOT TO DAMAGE IT Top cover Figure 4 1 Top Cover Removal Screw zA fe Screw Sample cell N 4 ae Cell holding lt li plate P ae AS Gas outlet lt Gas inlet Reference cell Figure 4 2 Sample Cell Removal Teledyne Analytical Instruments 95 Maintenance Model 7600 Infrared transmission window Bonded together Window holder Oring Cell Sample gas outlet Figure 4 3 Sample Cell Teledyne Analytical Instruments 96 Infrared Gas Analyzer Maintenance Infrared transmission window Inner O ring Outer O ring O ring holder Window fixture ae Figure 4 4 IR Window Assembly Note If the window or the cell interior is very dirty gently wipe it using a soft cloth moistened with absolute alcohol A s
86. s 76 n frared Gas Analyzer Operation 1 From the measurement screen press the MODE key to enter the user mode then navigate to the Parameter Setting option Press the ENT key to bring up the parameter setting screen User Mode Select an item with UP DOWN and ENT Back with ESC Switch Ranges Calibration Parameters Alarm Setting Setting of Auto Calibration Setting of Auto Zero Calibration Setting of Peak Alarm CS Parameter Setting 2 Select the Output Hold option by moving the cursor to it using the UP and Down keys Select it by pressing ENT Parameter Select setting item Current Time 05 01 27 THU 13 50 Key Lock OFF Output Hold ON Current Reset Av Output Reset Response Time Average Period Display OFF ON 5 min To Maintenance Mode 0000 ON or OFF is highlighted If you desire to change the state press the UP or DOWN key to toggle between ON and OFF Press the ENT key to select the desired state To change the hold value use the SIDE key to highlight Current or Setting Select Setting by pressing the UP or DOWN key until that option appears then press ENT The screen changes to the hold setting screen where you can select the channel and hold value for that channel Teledyne Analytical Instruments 77 Operation Model 7600 Parameter Select Ch No Hold G Chi NOx O10 FS Ch2 502 020 FS Ch3 CO2 O15 FS Ch4 co O12 FS Chis 02 022 FS 5
87. s including replacement time of sampling gas with 0 5L min gas flow rate Gas replacement time depends on the number of components and measuring range A 5 Standard Requirements for Sample Gas Flowrate Temperature Pressure Dust Mist Moisture Corrosive component Standard gas for calibration 0 5L min 0 2 L min 0 to 50 C 10 kPa 1 45 psi or less Gas outlet side should be open to the atmospheric air 100 g Nm in particle size of lum or less Unallowable Below saturation at 2 C condensation un allowable 1 ppm or less Zero gas Dry N2 Span gas Each sample gas having concentration 90 to 100 of its measuring range recommended Concentration above 100 FS is unusable If an external zirconia O gt sensor is installed and calibration is carried out on the same calibration gas line Zero gas Dry air or atmospheric air provided without CO3 sensor Span gas For other than O2 measurement each sample gas having concentration 90 to 100 of its measuring range For O2 measurement O2 gas of 1 to 2 vol Teledyne Analytical Instruments 117 Appendix Model 7600 A 6 Installation Requirements e Indoor use Select a place where the equipment does not receive direct sunshine draft rain or radiation from hot substances If such a place cannot be found a roof or cover should be prepared for protection e Avoid a location that is subject to heavy vibration e Select a l
88. s the ENT key The calibration log is cleared completely Teledyne Analytical Instruments 84 Infrared Gas Analyzer Operation Maintenance Select Ch No Cal Log Maintenance Cal Log Chi NOx D cht NOx R M C Con YDHM Ch2 02 Z1 00023 0004 0 2 12411810 Ch3 C02 31 05439 01254 1895 12111810 Cha CO Ch5 O2 Clear Error Log Z1 Zero calibration Z of Range 1 S1 Span calibration S of Range 1 M Value of measuring detector at the time of calibration C Value of the interference compensation detector at the time of calibration Con Concentration value displayed before calibration 3 6 4 Optical Adjustment CAUTION IF THE OPTICAL ADJUSTMENT IS MADE INCORRECTLY ANALYSIS MAY BE ADVERSELY AFFECTED CARRY OUT THE OPERATION WITH UTMOST ATTENTION For details of this item refer to Section4 4 Optical Zero Maintenance ENT Selectable flow gas Optical Adj Adjustment O Gas Sample Press ENT key and then turn ON the solenoid valve signal for each calibration gas by using the UP or DOWN keys Teledyne Analytical Instruments 85 Operation Model 7600 3 6 5 Moisture Interference Adjustment This item is described in Section 4 5 Moisture Interference Adjustment Maintenance Select Ch No with UP DOWN and ENT Back with ESC NOx 10 S02 CO2 Ch4 CO ALL Valve OFF For the values listed in the middle column of the screen the moisture interfe
89. stment see Section 4 4 and moisture interference compensation adjustment see Section 4 5 Teledyne Analytical Instruments 98 Infrared Gas Analyzer Maintenance __ Cell mounting tool _ Window fixture O ring holder Outer O ring Inner O ring Infrared transmission window Sample gas inlet Sample gas outlet Sample cell unit N _ Reference cell unit IDNZ 7 A _ Hole for bolt OD a for oing together with J distribution cell and detector 4 Figure 4 6 Cell Block Assembly 4 4 Optical Zero Adjustment If the following operation is not performed correctly JAN subsequent analysis may adversely be affected This operation should be performed by a trained technician or the unit sent back to the factory for service The following adjustment is performed at reassembly after removing and cleaning the sample cell 1 Remove the top cover 2 Allow dry N3 or air to flow through the analyzer sample gas inlet until the reading stabilizes The sample gas is Teledyne Analytical Instruments 99 Maintenance Model 7600 i ee ae ee te introduced directly to the inlet of analyzer unit through the gas cylinder Proceed to an optical adjustment as described in the maintenance mode The display on the operation panel of the main unit is illustrated in Figure 4 7 Balance adjust ment is not required if the display falls within 100 Maintenance Press the ENT key Op
90. t in any manner tampering with its components or unauthorized substitution of any component may adversely affect the safety of this instrument Since the use of this instrument is beyond the control of Teledyne Instruments Analytical Instruments referred as TI AI no responsibility by TI Al its affiliates and agents for damage or injury from misuse or neglect of this equipment is implied or assumed Teledyne Analytical Instruments xiii Model 7600 k el Teledyne Analytical Instruments xiv Infrared Gas Analyzer Introduction Introduction 1 1 Overview The Model 7600 Infrared Gas Analyzer is a microprocessor based infrared gas analyzer used to measure the concentration of NO SO CO 2 CO and CH contained in sample gas It is based on the principle that different molecular species have unique absorption spectrum in the infrared and the intensity of absorption is determined by the Lambert Beer law In addition to the infrared analyzer the Model 7600 can also be equipped with a built in compact paramagnetic O2 sensor or employ an external zirconia oxygen sensor to increase to 5 the number of simultaneous component species the unit can analyze Teledyne s Series 7600 Infrared IR Gas Analyzer is conveniently packaged in either a 19 rack mount or NEMA 4 wall mount enclosure The NEMA 4 enclosure can be X or Z purged to satisfy hazardous area installation requirements A high sensitivity mass flow type tw
91. t is now under measurement O correction concentration values Ch components where cv is displayed as cv CO in the component display are calculated values They are obtained from the following equation by setting sampling components O2 instantaneous concentration values and O correction reference value see item 6 8 Correction output etn x Cs 21 Os Teledyne Analytical Instruments 39 Operation Model 7600 Where On The value of the O2 correction reference value Value set by application Os Oxygen concentration Cs Concentration of relevant measured component Note that Os does not exceed the O limit value set in Other Parameter See Section 3 6 Maintenance Mode The corrected sampling components are NOx SO2 and CO only O correction concentration average value In the Ch component and Oz average value where CV AV is displayed as AV CO in the component display a value obtained by averaging O correction concentration value or O2 average value in a fixed time is output every 30 seconds Averaging time can be changed between 1 minute and 59 minutes or 1 hour and 4 hours according to the average time settings See Section 3 5 7 Parameter Setting The set time is displayed as lh for instance in the range display The measurement ranges of O correction concentration value and O2 correction concentration average value are the same as that of the m
92. the panel rack or enclosure a simple task for easy maintenance Teledyne Analytical Instruments 18 Infrared Gas analyzer Introduction Gas amp AC Power Connections LCD Display Power Switch Display Switch Operator Interface Keys Handles Figure 1 2 Model 7600 Description Gas connections for the 7600 instrument are made on the rear panel of the instrument using the 4 NPT fittings installed The standard instrument has two measuring units and a pair of inlet outlet gas connections exist for each unit See Section 2 5 Gas Connections A power receptacle on the rear panel accepts the three prong power cable supplied with the instrument The Model 7600 operates on 100 240 VAC 50 60 Hz power The power inlet conforms to EN60320 Protection Class 1 specifications Teledyne Analytical Instruments 19 Introduction Model 7600 SS ee Sn Sa es el oa el Teledyne Analytical Instruments 20 Infrared Gas Analyzer Installation Installation ee Installation of the analyzer includes 1 Unpacking the system Choosing a suitable location Mounting the analyzer 2 3 4 Mounting the terminal module 5 Installing gas connections 6 Making electrical connections 7 Testing the installation CAUTION READ THIS CHAPTER IN ITS ENTIRETY BEFORE INSTALLING THE SYSTEM N FOR INDOOR USE ONLY 2 1 Unpacking the Analyzer The Model 7600 Infrared Gas Analyzer is shipped with the following compo
93. tical Adj to feed zero gas Set zero gas pif 221 8 alae sane 10 BEES ka een SS GAS Sample Figure 4 7 Optical Adjustment Display for Dual Optical System Option Table 4 2 Components of Optical Adjustment Screen No Of Components to be measured a b c d e f g h l component meter Main Comp NO SO2 NO NO S02 S02 Main Comp Main Comp 2 meter CO2 CO2 CO CO component CO2 CO Main Comp Main Comp NO NO CO CO NO CO Main Comp Main Comp 3 component meter NO NO S02 S02 CO CO NO SO2 CO Main Comp Main Comp Main Comp 4 component meter NO NO S02 S02 CO2 z CO CO NO SO2 CO2 CO Main Comp Main Comp Main Main Comp Teledyne Analytical Instruments 100 Infrared Gas Analyzer Maintenance Where Main is signal input value from the main detector of each component Comp is signal input value from interference compensation detector of each component If low range exceeds the range of 0 to 10 vol detector signal of comp is not usable In the above table O2 is excluded from the number of components Sensor values which are not included in measuring components should be ignored 4 Adjust the primary side of the optical system if instrument is equipped with more than 1 measuring unit so that the onscreen values for a to d in 1 1 an
94. tion or at customer plant at our option any material or construction in which defects become apparent within one year from the date of shipment except in cases where quotations or acknowledgements provide for a shorter period Components manufactured by others bear the warranty of their manufacturer This warranty does not cover defects caused by wear accident misuse neglect or repairs other than those performed by TI AI or an authorized service center We assume no liability for direct or indirect damages of any kind and the purchaser by the acceptance of the equipment will assume all liability for any damage which may result from its use or misuse We reserve the right to employ any suitable material in the manufacture of our apparatus and to make any alterations in the dimensions shape or weight 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 can be gathered The information provided by the instrument may assist the user in eliminating potential hazards caused by his process however it is essential that all personnel involved in the use of the instrument or its interface with the process being measured be properly trained in the process itself as well as all instrumentation related to it The safety of personnel is ultimately the responsibility of those who control process conditio
95. tion Adjustment AA If the following operation is not performed correctly subsequent analysis may adversely be affected This Teledyne Analytical Instruments 102 Infrared Gas Analyzer Maintenance operation should be performed by a trained technician or the unit sent back to the factory for service Perform an adjustment if excessively beyond 2 FS affected by moisture inteference It is also necessary to adjust moisture interference compensation after making an optical balance adjustment or whenever the cell structure is opened to moist air 1 After warm up select the low range and allow dry gas N or air to flow at 0 5 L min and zero calibrate the analyzer 2 Display the moisture interference compensation screen of the analyzer unit see Section 3 6 5 Moisture Interference Adjustment Set the dew point to 2 C by using an electronic cooler and introduce bubbled N or air to the analyzer shown in the Figure 4 10 Rear Panel Gas Connections Jumper N2 or Air Electroinic Cooler set dew point to 2 C Water Bubbler Figure 4 10 Bubbler Apparatus 3 On the screen select a desired channel by using the UP and DOWN keys then pressing ENT when the cursor is on the desired channel 4 Use the SIDE key to move the cursor to the numerical value in the right column Adjust the value by the UP or DOWN key so that the value at left falls within 10 or as Teledyne Analytical Ins
96. tiple alarms ON OFF enables the alarm function if set at ON or disables the alarm function if set at OFF The H limit value cannot be set below the L limit value and the L limit value cannot be set above the H limit value If it is desired to set the H limit value below the L limit value already stored in the memory reduce the L limit value beforehand and vice versa A typical on screen display for a High alarm is shown below When the H limit alarm occurs the H alarm message comes on in the field of relevant channel Similarly for L alarm There is no screen display for the HH alarm and LL alarm but otherwise they function like the H and L limit alarms Teledyne Analytical Instruments 54 Infrared Gas Analyzer Operation CAUTION ALARMS ARE INACTIVE FOR 10 MINUTES AFTER TURNING ON POWER 3 5 3 1 CONFIGURING THE ALARMS Note To change an alarm setting first set the alarm ON OFF setting to OFF and then change the value 1 From the measurement mode press the MODE key to display the user mode 2 Point the cursor to Alarm Setting by pressing the UP or DOWN key and press the ENT key 3 Inthe Alarm Setting screen that appears point the cursor to the alarm number you want to set 1 through 6 using the UP or DOWN key Press the ENT key when the cursor is on the alarm number you desire Alarm Setting Select Alarm No or Hysteresis setting 3 Alarm 4 Alarm 2 A
97. truments 103 Maintenance Model 7600 i ee ae ee te close to 0 as possible and then press the ENT key to save the value Alternatively by selecting the ALL option and pressing the ENT key you can zero all components at once You can abort the process at any time by pressing the ESC key Maintenance Select Ch No with UP DOWN and ENT Back with ESC 10 Ch4 ALL Valve OFF 5 It is sometimes easier to adjust all components by selecting ALL and then perform fine adjustment for components one by one using UP and DOWN keys Note If any components exceed the range of 0 to 10 vol no adjustment can be performed No interference compensation is required 4 6 Error Messages You may encounter an onscreen error message depending on the process state or operational error The following table describes typical error messages and their cause Table 4 3 Error Messages Error Error Contents Probable Cause Display Error No 1 Motor rotation detection signal Motor rotation is faulty or stopped faulty e Motor rotation detector circuit is faulty Note Sector motor is a consumable item It is recommended to exchange the motor once every two years Error No 4 Zero gas not flowing e Zero gas is not supplied Teledyne Analytical Instruments 104 Infrared Gas Analyzer Maintenance Error Error Contents Probable Cause Display Error No 5
98. urement and built in paramagnetic O sensors the setting range for span gas is 1 to 105 of full scale The instrument will not accept values outside of this range For external Zirconia O2 sensors the setting range for zero gas is 5 to 25 vol and span from 0 01 to 5 vol 3 5 2 2 SETTING OF MANUAL ZERO CALIBRATION When zero calibration is performed manually you can choose whether all components are to be calibrated simultaneously or each component calibrated while selecting one by one This is configured from the About Zero submenu of the Calibration Parameters menu To get to the About Zero submenu 1 From the measurement mode press the MODE key to display the user mode 2 Point the cursor to Calibration Parameters by pressing the UP or DOWN key and press the ENT key 3 In the Calibration Parameters screen that appears point the cursor to About ZERO Calibration by pressing the UP or DOWN key Press the ENT key Cal Parameters Select an item with UP DOWN and ENT Back with ESC Calibration Valve 3 About ZERO Calibration About Calibration Range Auto Calibration Components Range Teledyne Analytical Instruments 48 Infrared Gas Analyzer Operation This brings up the Cal Settings ZERO Cal screen where you can set whether all components or individually selected components are zeroed during a manual zero calibration The choices are e at once these components will be
99. ustment Display for Dual Optical System S 01 0 1 Barter eereee mea reine re One rer meen eee ten panera rere tenrn on aie or 100 Figure 4 8 Optical Zero AdjUStMent ccceeeeeeeteeeeeeeeeeeeeeees 101 Figure 4 9 Beam Adjustment Plate eee eeeneeeeeeeeneeeeeee 102 Figure 4 10 Bubbler Apparatus cccceeeeeeeeeeeeeeeeeeeeeeeeeees 103 Figure 4 11 The Error Log Screen ccccceeeeesseeceeeeeeeeeeeeeees 107 Teledyne Analytical Instruments xi Model 7600 List of Tables Table 2 1 Correspondence of Measured Components and Measuring INNS cas oa Neate helene uedes Stok atc sere tecea ie 27 Table 2 2 Zero and Span Gas ccccccececesesseeseccceeeeeeeeeseeeseeees 29 Table 4 1 Troubleshooting and Maintenance seeeeeeee 93 Table 4 2 Components of Optical Adjustment Screen 100 Table 4 3 Error Me SSaQe S 2 cccceeceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 104 Teledyne Analytical Instruments xii Infrared Gas Analyzer DANGER COMBUSTIBLE GAS USAGE WARNING This is a general purpose instrument designed for use in a non hazardous area It is the customer s responsibility to ensure safety especially when combustible gases are being analyzed since the potential of gas leaks always exist The customer should ensure that the principles of operating this equipment are well understood by the user Misuse of this produc
100. ws range to switch via an external signal when remote range switch input is received When the contact input terminals for each component are short circuited the first range is selected and it is switched to the second range when the terminals are open The present measuring range is identified by a contact signal The contact output terminals for each component are short circuited when the first range is selected and when the second range is selected the terminals are open Auto calibration is carried out periodically at the preset cycle When a standard gas cylinder for calibra tion and a solenoid valve for opening clos ing the gas flow line are prepared externally by the customer calibration Analytical Instruments 112 Infrared Gas Analyzer Appendix will be carried out with the solenoid valve drive contacts for zero calibration and each span calibration turned on off sequentially at the set auto calibration timing Auto calibration cycle setting Auto calibration cycle is set Setting is variable within 1 to 99 hours in increments of 1 hour or 1 to 40 days in increments of 1 day Gas flow time setting The time for flowing each calibration gas in auto calibration is set Settable within 60 to 900 seconds in increments of 1 second Auto calibration remote start Auto calibration is carried out only Auto zero calibration once according to an external input signal Calibration sequence is settabl
101. xternal O sensor is provided Between 3 4 Ch12 output Between 5 6 Ch11 output Between 7 10 For internal connection Must not be wired Must not be used as junction terminal Between 11 12 Ch5 remote range switch input Between 13 14 Ch4 remote range switch input Between 15 16 Ch3 remote range switch input Between 17 18 Ch2 remote range switch input Between 19 20 Chl remote range switch input Teledyne Analytical Instruments 120 Infrared Gas analyzer appendix Unassigned r Unassigned g Remote hold input R_HOLD L Average value reset input RESET Auto calibration remote start input R_CAL Terminal block 3 Ch5 range identification _ contact output RNG_ID Ch5 Ch4 range identification contact output RNG_ID Ch4 7 Ch3 range identification _ contact output RNG_ID Ch3 Ch2 range identification _J contact output RNG_ID Ch2 7 Ch1 range identification contact output RNG_ID Ch1 M3 5 screw Teledyne Analytical Instruments Terminal block 3 lt TN3 gt Between 1 4 Between 5 6 Between 7 8 Between 9 10 Between 11 12 Between 13 14 Between 15 16 Between 17 18 Between 19 20 For internal connection Must not be wired Must not be used as junction terminal Remote hold input No hold when open Output hold when short circuited For details refer to Item 6 7 Parameter setting Output Hold Ave
102. y and the safety of others is very important We have provided many important safety messages in this manual Please read these messages carefully A safety message alerts you to potential hazards that could hurt you or others Each safety message is associated with a safety alert symbol These symbols are found in the manual and inside the instrument The definition of these symbols is described below GENERAL WARNING CAUTION Refer to the instructions 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 specific to heated components within the instrument Failure to heed the warning could result in serious burns to skin and underlying tissue WARNING ELECTRICAL SHOCK HAZARD Dangerous voltages appear within this instrument This warning is specific to an electrical hazard existing at or nearby the component or procedure under discussion Failure to heed this warning could result in injury and or death from electrocution Technician Symbol All operations marked with this symbol are to be performed by qualified maintenance personnel only NOTE Additional information and comments regarding a specific component or procedure are highlighted in the form of a note No Symbol CAUTION THE ANALYZER SHOULD ONLY BE USED FOR THE PURPOSE AND IN THE MANNER DESCRIBED IN A THIS MANUAL
103. zero calibration 3 5 6 Peak Alarm Setting 3 5 7 Parameter Setting Teledyne Analytical Instruments 35 36 38 38 40 41 42 42 43 44 45 46 46 46 48 50 51 53 55 56 58 58 59 60 62 62 65 65 68 70 73 vii Model 7600 3 5 7 1 Output Hold 75 3 5 7 2 Average Value Reset 78 3 5 7 3 Response Time 79 3 5 7 4 Average Period 79 3 5 7 5 Backlight Timer 80 3 5 7 6 Maintenance mode 81 3 6 Maintenance Mode 82 3 6 1 Sensor Input Value 83 3 6 2 Error Log 84 3 6 3 Calibration Log 84 3 6 4 Optical Adjustment 85 3 6 5 Moisture Interference Adjustment 86 3 6 6 Output Adjustment Screen 86 3 6 7 Other Parameters 87 3 7 Calibration 90 3 7 1 Zero Calibration 90 3 7 2 Span Calibration 91 MAINLGNANGE sicccscccseccde cats cce tute cccncuteccencetecvescutecuentetecvenccacecesteacevecs 93 4 1 Routine Maintenance 93 4 2 Daily Check and Maintenance Procedures 93 4 3 Analyzer Maintenance 94 4 3 1 Sample Cell Cleaning 94 4 3 2 Cleaning the Cell Block 97 4 4 Optical Zero Adjustment 99 4 5 Moisture Interference Compensation Adjustment 102 4 6 Error Messages 104 4 6 1 Error Log File 106 4 6 2 Error Log Screen 106 4 6 3 Deleting Error Hstory 107 Appendix s iiroiron ariane ao ni an eaa Ei tan Eei aae Eea ao aeee 109 A 1 SPECIFICATIONS 109 A 2 Standard Functions 111 Teledyne Analytical Instruments viii Infrared Gas Analyzer A 3 Optional Functions 115 A 4 Performance 116 A 5 Standard Requirements for Sample Gas 117 A
104. zeroed simultaneously during a manual zero e each these components will be zeroed individually during a manual zero Cal Settings Select Ch No ZERO Cal Q Chi Rangel U 100 ppm NOx Range 0 2000 pom 4 once it at once at once at once each Range O vol To change the manual zero setting 1 Inthe Cal Settings ZERO Cal screen point the cursor to the channel you want to set by using the UP or DOWN key Press the ENT key 2 Select at once or each by pressing the UP or DOWN key to toggle between the two options Press the ENT key when the desired option is displayed To close the Cal Settings ZERO Cal screen or cancel this mode midway press the ESC key The previous screen will return Example The options each or at once can be determined for each channel e When the setting is each select the channel on the manual zero calibration screen see Section 3 7 and perform a zero calibration Only that component is zeroed e When the setting is at once performing a manual calibration see Section 3 7 will zero calibrate all components tagged at once You will notice on the manual Teledyne Analytical Instruments 49 Operation Model 7600 zero calibration screen that all there are cursors on all components where at once is set Note When the cylinder air or atmospheric air is used for the zero gas select at onc

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