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<7 ROUTINE MAINTENANCE> 7-2

IM 11Y01B02-01E-A 3rd Edition June 19, 2012-00

Mirror Removal for Cleaning or Replacement:

Follow the precautions outlined in the “Thermal hazard” and “Chemical hazard” sections of the SAFETY
chapter. If the flow cell becomes contaminated then it may be cleaned using the following procedure:

• discontinue the process gas flow and initiate nitrogen (or instrument air) purge of the

analyzer.

• shut down the analyzer and disconnect from AC power supply. Wait 30 minutes to let the

gas cell cool down to safe temperature.
• If installed, remove the flow cell insulation end cap as shown below.

Potentially HOT SURFACES on heated or insulated flow cells

• Using 7/64” Allen key wrench remove the four fastening screws and

lock washers.

Figure 17 - Mirror and Window Locations

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Содержание TDLS220

Страница 1: ...able Diode Laser Spectroscopy Analyzer IM 11Y01B02 01E A 3rd Edition Yokogawa Corporation of America 2 Dart Road Newnan Georgia U S A 30265 Tel 1 800 888 6400 Fax 1 770 254 0928 Yokogawa Corporation of America IM 11Y01B02 01E A ...

Страница 2: ...the user Use of the instrument in improper applications Use of the instrument in an improper environment or improper utility program Repair or modification of the related instrument by an engineer not authorized by Yokogawa Safety and Modification Precautions Follow the safety precautions in this manual when using the product to ensure protection and safety of the human body the product and the sy...

Страница 3: ...ed If any protection or safety circuit is required for the system controlled by the product or for the product itself prepare it separately Be sure to use the spare parts approved by Yokogawa Electric Corporation hereafter simply referred to as YOKOGAWA when replacing parts or consumables Modification of the product is strictly prohibited The following safety symbols are used on the product as wel...

Страница 4: ...owered by either a 220V 50 Hz or 120V 60 Hz model specific During normal operation this voltage is not accessible from outside of the enclosure However end user is responsible for connecting the mains to the analyzer terminals in the Power Temperature Controller box right bottom block in the diagram above THE WIRES BEING CONNECTED MUST BE DISCONNECTED FROM ANY VOLTAGE SOURCES DURING THIS PROCEDURE...

Страница 5: ... manufacturer Individual sales organizations can deviate from the typical warranty period and the conditions of sale relating to the original purchase order should be consulted Damage caused by wear and tear inadequate maintenance corrosion or by the effects of chemical processes are excluded from this warranty coverage In the event of warranty claim the defective goods should be sent freight paid...

Страница 6: ...u Structure Map 6 1 6 2 Software Guide 6 5 6 3 Non Process Parameters 6 14 6 4 Stream Switching and Valve Control Outputs 6 16 6 5 Controlling the Analyzer Remotely or Locally via External PC Laptop 6 19 6 5 1 Instructions from Connecting an External Computer to the Analyzer 6 19 6 5 2 Using Ultra VNC Software 6 20 6 5 3 Remote Interface Unit RIU 6 21 6 5 4 Virtual Analyzer Controller VAC Operatin...

Страница 7: ...ng Step 8 2 8 1 1 On Process Gas or Zero Gas or Span Gas 8 2 8 1 2 Trouble Shooting procedure for lost and or Low Transmission 8 3 8 2 Analyzer Warnings 8 3 8 3 Analyzer Faults 8 4 9 Data Files and Format 9 1 9 1 Configuring Data Capture 9 5 9 2 downloading the Data 9 8 Revision Record i TOC 2 ...

Страница 8: ...ble mains disconnect device must be supplied Refer to the Installation section of this manual for details 3 3 Check termination details before proceeding to prevent damage to electronics Connect any analog I O signals to the optional analog I O Board Outputs land on TB8 and any pressure inputs land on TB9 Heated flow cells have the gas temperature signal already terminated at TB9 A table of wiring...

Страница 9: ...t start up Either shut down the analyzer introduce some measured gas into the flow cell and re start or perform a validation This will ensure that the analyzer is correctly tuned to the measurement gas absorption peak If this Warning cannot be cleared by either method please contact Yokogawa Laser Analysis Division or your local agent for further assistance 7 0 Configure BASIC By way of the approp...

Страница 10: ...l of the listed parameters to check analyzer performance over a period of time 8 10 Non Process Parameters If the application is to using purge gas containing the target gas e g Oxygen measurement with Instrument Air Purge then the Non Process parameters should be configured as detailed later in this manual under the Software Section 9 0 Normal Operation When the site field configuration is comple...

Страница 11: ...with three units attached the Controller housing the Power Supply Heating enclosure and Flow Cell or optional heated flow cell Several options may be added to the standard analyzer such as Mini Display 4 line 20 character or 6 5 screen and keypad Remote Interface Unit not required for normal operation Insulated and Heated flow cell Hazardous Area purge systems Other options may also be added 2 1 F...

Страница 12: ...rse wavelength adjustment A current ramp is fed to the laser This is the fine wave length adjustment The current is ramped to scan across the wavelength region desired The collimated light passes through the gas to be measured The amount of light absorbed by the peak is pro proportional to the target gas concentration The light is then focused on a detector This signal is used to quantify the ligh...

Страница 13: ...cations Power Consumption 80w analyzer with headed cell option power consumption varies based on application typical max 380W 100 C cell temperature Size W x H x D 750mm x 600mm x 200mm 30 x 24 x 10 Weight approx 67lbs or 30 4kg Environmental Specifications Ambient Temperature 10 to 50 C Humidity 0 90 RH non condensing or 0 100 with correct purge gas specifications Altitude Maximum 3000 m Area Cla...

Страница 14: ...or operation in General Purpose area The addition of a Purge System enables operation in Hazardous Area for gaseous releases Class 1 Division 2 Group B C and D ATEX CE Pending Optional CSA Special Acceptance certification Flow Cell Wetted Parts Standard 316L Sapphire windows Teflon encapsulated Viton O rings and protected gold mirror Optional Monel Alloy 400 Kalrez 4079 O rings Mains voltage CE 23...

Страница 15: ...ow cell sapphire windows and Kalrez o rings No Heat Temp sensor insulation jacket Active T comp General Purpose Safe Area cell heating max 120 C Insulated Jacket General Purpose Safe Area cell heating max 100 C Insulated Jacket Div 2 cell heating 120 C Insulated Jacket Blind Controller Integral Mini Display Integral Color LCD Backlit Ext USB Port IP66 w cap can be used with general purpose safe ar...

Страница 16: ...Cable entries are located on the bottom face of the enclosure They are typically Myers hubs that have NPT female threads Each has a ground lug to facilitate the grounding of cable shields to the analyzer chassis as needed When an analyzer has been supplied with the optional Mini Display 4x20 VFD the normally blank blind door has a different configuration The center of the door has a cut out measur...

Страница 17: ...ent On Off miniature toggle switch and re settable thermal fuse The single 24DVC power supply is distributed to various output power channels Each output power channel has the appropriate DC DC converter regulator s filtering capacitors and status LEDs etc All accessible voltages in the Control module are below 24V A 65V 10 mA power source is protected by a cover with a High voltage warning sign W...

Страница 18: ...er Temperature Current Control The board has two main laser control function circuits temperature control and laser current control Board Temperature The board has a temperature sensing chip circuit that monitors temperature of the board inside the main electronics enclosure The sensor is located on the top edge of the Back Plane Analog I O Board outputs the analyzer results and reads input proces...

Страница 19: ...e gas flows Different cell materials and window seal materials may be used pending application Swagelok tube fit tings are typical connection size for the purge and process gases Typical cell volume 300cc 4 3 Communications Stand Alone Options The analyzer is capable of fully independent operation with no external computer or interface required A number of options are available for a built in user...

Страница 20: ... analyzer Should the physical location of the actual analyzer s be inconvenient for easy access then the RIU can be used It can be mounted up to 100m 330ft away from the analyzer s using the standard 10 BaseT twisted pair wiring method It communicates to the analyzer s through a Virtual Network Connection VNC If there is more than one analyzer connected to the RIU then they are routed via an indus...

Страница 21: ...er connected to the RIU then they are routed via an industrial Ethernet switch Up to four analyzers can be routed through one RIU switch The switch is powered by 24VDC from the back plane and includes several status LEDs Analyzer Integral SBC TB6 Tx Tx Rc Rc RIU Integral SBC RIU Switch or Field Terminals Tx Tx Rc Rc Figure 5 Connecting RIU to Analyzer s Analyzer 1 SBC Analyzer TB6 Tx Tx Rc Rc Ethe...

Страница 22: ...m the analyzer This will prevent potential corruption of the Windows XPe operating system software image 4 5 Data Reporting Storage and Retrieval The TDLS220 analyzer has been designed with extensive data reporting capabilities All data is available in the analyzer as a text file for import into a spreadsheet for analysis Data stored in the analyzer Results Every measurement the gas concentration ...

Страница 23: ... 4 Analyzer Components 4 8 IM 11Y01B02 01E A 3rd Edition June 19 2012 00 Basic Menu Typical Trend Screen Figure 7 Software Overview ...

Страница 24: ...t and locking washers Ensure the analyzer is securing fastened and that there is suitable access for maintenance etc The analyzer is designed for operation outside buildings at normal environmental conditions see Environmental specifications page 11 However it must be protected from direct rain and snow fall Mounting in a vibration free environment will ensure prolonged service life Mounting in vi...

Страница 25: ...ve Excessive flow rates may result in gas temperature control issues if the delta T of incoming gas and cell temperature set point exceed 15 deg C Process Gas Temperature It is recommended that the sample gas inlet remains within 15deg C of the sample cell temperature set point If the sample cell is un heated then the sample gas should be with 10 deg C of the ambient temperature Please ensure that...

Страница 26: ...nal power 4 5 SV 3 remote Cal Val initiate signal loop SV 2 to Remote voltage free contacts switch Do not apply external power 6 3 Field 1 SV 1 24VDC power output signal to actuate external solenoid valve 1 Max 12 Watts requires ferrite coil on wires 2 SV 1 3 SV 2 24VDC power output signal to actuate external solenoid valve 2 Max 12 Watts requires ferrite coil on wires 4 SV 2 5 SV 3 24VDC power ou...

Страница 27: ...l initiate signal loop SV 2 to Remote voltage free contacts switch Do not apply external power 9 Factory and or Field 1 Gas Temperature Compensation Externally powered 4 20mA gas temperature signals are wired to 1 and 2 3 not used Loop powered temperature transmitter can be con nected to 1 and 3 24VDC 2 not used 2 3 4 Gas Pressure Compensation Externally powered 4 20mA gas pressure signals are wir...

Страница 28: ...he same nitrogen purge gas is used to purge the entire analyzer including non optical path sections such as the electronics Refer to purge diagrams below In some applications Instrument Air I A may be used as the purge gas Special software configurations must be set up under the Configure section called Non Process Parameters refer to software section of this manual for further details The flow ra...

Страница 29: ...ge Inlet I A Purge Vent Figure 11 Safe Area General Purpose I A Analyzer Purge Schematic ELECTRONICS CONTROLLER FLOW CELL POWER HEAT TRACE LASER DETECT I A Purge Inlet I A Purge Vent General Purpose or Safe Area N2 Purge Inlet N2 Purge Vent Figure 12 Safe Area General Purpose Dual Split N2 I A Analyzer Purge Schematic N2 Purge Inlet N2 Purge Vent ...

Страница 30: ... Switch with Indicator Div 2 BCD ATEX CAT3 Hazardous Area Div 2 BCD ATEX CAT3 5 Installation and wiring 5 7 IM 11Y01B02 01E A 3rd Edition June 19 2012 00 Figure 13 Hazardous Area N2 Analyzer Purge Schematic Figure 14 Hazardous Area I A Analyzer Purge Schematic Please also refer to any separate Purge System Original Manufacturers Operating Instructions and Manuals in conjunction with this Instructi...

Страница 31: ...nge Pressure Fixed Active Control similar to Fixed Current New 4 20 mA Backup Desired Range Center of Pressure control Confirmation of Change Confirmation of Change Confirmation of Change Temperature Fixed Active Input Active Ambient Active Peaks Control similar to Fixed Current New 4 20 mA Backup Offset Range of second peak option Desired range of tem control Confirmation of Change Confirmation o...

Страница 32: ...t of range Concentration out of range Board temperature out of range Validation failure Faults Laser temperature out of range Detector signal high Dectecor signal lost Outlier rejection Peak center out of range Alarm Limit Conc Trans Val Cal High Low and limit Field Loop Check CH 1 Check Ch 2 Check Ch 3 Check System Serial Number Password Old Password New password Confirmation of Change Software V...

Страница 33: ...Peak Search Peak with Lower WL Opeak with Higher WL All Peaks Result Display Offline Validation Check Gas 1 Check Gas 2 Check Gas 3 similar to Gas 1 Manual Automatic Local Initate Remote Initate control channel Time Initiate frequency Settings conc opl temp pres Online Validation Manual Automatic Local Initiate Remote Initate control channel Time Initiate frequency Settings conc opl temp pres valv...

Страница 34: ...G Val Failure WARNING Val Require FAULT Laser Temp FAULT Conditions FAULT Det Sig High FAULT Det Sig Lost FAULT Outlier FAULT Peak Center Zero Calibrating Validation Status Span Calibrating Offline Validating Online Validating Data Transferring Data Transfer Status Transfer Success Transfer Failure Line 4 Information YOKOGAWA TDLS220 Analyzer Name SN 76 1xxx 05 xx Analyzer Serial No AO1 CONC xx xx...

Страница 35: ...ee the Output Selection screen This allows control of the analog output while the user is working in the analyzer software Block will hold outputs at 3 8mA until return to Main Screen Track will allow outputs to continue to report concentration and transmission until return to Main Screen Hold will hold outputs at their current value until return to Main Screen BASIC MENU Configure allows setting ...

Страница 36: ...O displays analyzer serial number VERSION software version number The spectra screen raw detect or absorption allow capture and view of current spectra The screen auto scales the vertical axis which will result in a visually noisy absorption spectrum when at low gas levels In fact the spectra may not be noisy but simply that the display range is extremely low The BASIC DATA MENU allows the user to...

Страница 37: ... NOT ADJUST factory set typical 40 distance laser beam is exposed to process gas PROCESS PRESSURE allows selection of FIXED value entered into software ACTIVE analyzer fed pressure value from external transducer or CONTROL cell pressure controlled at a desired value with a proportional valve and pump In Active mode a Back Up value can be entered in case of active input failure TEMPERATURE allows s...

Страница 38: ...al control of laser SYSTEM I O ANALOG OUTPUT CHANNEL 1 to 3 configuring each 4 to 20mA channel to output Concentration Transmission Gas Temperature Gas Pressure or None WARNING MODE setting of mA output response during analyzer warnings Block Track Hold FAULT MODE setting of mA output response during analyzer warnings Block Track Hold BLOCK MODE LEVEL specifies the analog output level in block mod...

Страница 39: ...check during field installation CHANNEL 1 WARNINGS menu allows setting of various analyzer WARNING conditions Warning is an event that will reduce but not eliminate the measurement integrity it is an indication that maintenance is required but the analyzer is still operational DETECTOR SIGNAL LOW level at which low detector signal will trigger a warning ONLY ADJUST WITH FACTORY ASSISTANCE TRANSMIS...

Страница 40: ... indication that maintenance is required and the analyzer is not operational ONLY ADJUST WITH FACTORY ASSISTANCE FAULT CONDITIONS ARE CRITICAL SETTINGS THAT CAN RESULT IN DAMAGE TO THE ANALYZ ER IF IMPROPERLY PROGRAMMED LASER TEMPERATURE OUT OF RANGE upper and lower fault conditions for laser temperature DETECTOR SIGNAL HIGH upper raw detector signal limit DETECTOR SIGNAL LOST lower raw detector s...

Страница 41: ...s well as Gas Concentration Gas Temperature Gas Pressure Transmission Laser Temperature and Peak Center Position CAPTURE allows a manual spectra capture user will be prompted to enter a unique file name for captured spectra For Display Only CONTROL MODE allows selection of Automatic laser temperature is controlled to keep peak centered using peak center position as set point or Manual laser temper...

Страница 42: ...EATURE on TDLS220 OFFLINE CALIBRATIONS use for all TDLS220 ZERO CALIBRATION manual or automatic calibration of Zero ZERO OFFSET allows manual adjustment of Zero by applying a concentration offset SPAN CALIBRATION manual or automatic calibration of Span TRANSMISSION adjustment of transmission value DARK CURRENT calibration of detector dark current PEAK SEARCH initiates a system scan of absorption p...

Страница 43: ...apture RELATIVE concentration level trigger which is a of reading change or ABSOLUTE concentration level to trigger capture in addition the software will prompt for number of spectra to capture when a Warning or Fault occurs MANAUL selection will result in spectra capture only when requested by user RECORD RESULT DATA The default setting during normal operation is User Data The system should only ...

Страница 44: ...the analyzer must know the correct parameters such that the measured output value has been compensated i e the oxygen in the purge gas has been taken into account when determining the process oxygen concentration Calibration The analyzer MUST be calibrated Zero and Span as per the normal methods outlined in the standard User s Guide When performing a Zero Calibration ensure that the entire optical...

Страница 45: ...sure NON PROCESS TEMPERATURE This is the temperature of the non process gas with two modes of input ACTIVE AMBIENT ambient gas temperature derived from integral sensor on detector circuit with offset adjustment typically 18 deg C Note this off set is due to the internal heat of the controller unit where the detect board is located in TDLS220 FIXED manual input of fixed temperature value NON PROCES...

Страница 46: ...put signals from the launch unit of the analyzer During normal operation only one valve can be open at a time The connected solenoid wires at TB 3 may require the installation of a ferrite coil to eliminate noise spikes this is totally dependant on the site specific elec trical grounding conditions If the analyzer appears to be re booting when one or more of the solenoids is activated then this me...

Страница 47: ...hing is configured in Advanced Configure Valve Control STATUS OF VALVES This panel shows the current status of all three valves User can enter any valve to modify the settings Note only one valve can be open at a time during normal operation VALVE CONTROL MODE There are three ways to change the valve status Manual automatic Time Sequence and Remote Override MANUAL VALVE CONTROL By toggling the swi...

Страница 48: ...me sequence As an example of the left setting Valve 1 stays on for 60 minutes before switching to Valve 2 By setting the Time Sequence of all 3 valves the stream switching can be implemented continuously and periodically REMOTE OVERRIDE Each valve can also be manually turned on by remote digital contact from control room or DCS This panel specifies digital input channel for valve control ...

Страница 49: ...sibility to equip the Control box with appropriate approved connectors Inside the Control box a standard Ethernet connector is to be plugged as shown in the picture below During troubleshooting and diagnostics Ethernet cable can be connected directly to the SBC with the Control box open Windows 98SE or later is required on computer to be connected to the analyzer and crossover Ethernet cable Conta...

Страница 50: ...ul connection is established then use the default password for entering the VNC connection screen is 1234 see screen below that shows an example IP address of 10 0 200 2 TDLS220 analyzer Serial number 220 XX 1402 XX etc DO NOT attempt to change of the Quick Options or any other settings on this menu If the analyzer connection cannot be established see error message below then check the external co...

Страница 51: ... 11Y01B02 01E A 3rd Edition June 19 2012 00 6 5 3 OPTIONAL Remote Interface Unit RIU The OPTIONAL RIU runs the Virtual Analyzer Controller VAC software described below 6 5 4 Virtual Analyzer Controller VAC Operating Software Map ...

Страница 52: ... virtual network computing connection to an analyzer thus allowing for control of the analyzer typically for start up service calibration etc Allow for file transfer from an analyzer to a local USB port for memory device Create connections by name and or IP address OFFLINE CALIBRATIONS use for all TDLS220 ZERO CALIBRATION manual or automatic calibration of Zero ZERO OFFSET allows manual adjustment...

Страница 53: ...ion Menu Data Dump Options This sets the directories to receive data from analyzer and send data to on system running VAC software Source Directory This is the analyzer data file folder it should not be changed without factory consultation Target Directory This is the remote computer or RIU directory to receive data files File Masks These are the extensions of the files to be transferred it should...

Страница 54: ...voiding any window fouling issues o It is VERY IMPORTANT to keep the process gas clean and non condensing Deposits oily films and other residues depositing on the window mirror may cause performance degradation cyclical drift Alignment of the Laser Beam not necessary for TDLS220 as it is pre fixed at factory Particulate in the process For most applications TDLS220 extractive the sample gas should ...

Страница 55: ...g the following procedure discontinue the process gas flow and initiate nitrogen or instrument air purge of the analyzer shut down the analyzer and disconnect from AC power supply Wait 30 minutes to let the gas cell cool down to safe temperature If installed remove the flow cell insulation end cap as shown below Potentially HOT SURFACES on heated or insulated flow cells Using 7 64 Allen key wrench...

Страница 56: ...e so during removal keep the mounting plate tilted up wards to prevent the mirror from falling out of the mounting plate Visually inspect the mirror surface for any signs of contamination dirt deposits films oils etc If in any doubt about the quality of the mirror surface then cleaning is recommended If obvious severe damage to the actual mirror surface can been seen then a replacement mirror shou...

Страница 57: ...place if necessary Cleaning of the mirror should be performed as follows while taking great care not to scratch the surface of the mirror First any loose impediments and dirt should be blown off the surface using a clean compressed gas source Take care not to spray liquid propellants onto the mirror surface ...

Страница 58: ...e re installation The rotational position of the mirror within the mounting plate is not specific The rotational position of the mounting plate onto the end of the flow cell is also not specific Carefully install the mirror and mounting plate onto the cell and rotate such that the holes align with the threads hand tighten the fasteners with lock washers in position Using the 7 64 Allen key wrench ...

Страница 59: ...he SAFETY chapter If the flow cell becomes contaminated then it may be cleaned using the following procedure Discontinue the process gas flow and initiate nitrogen or instrument air purge of the analyzer Shut down the analyzer disconnect from AC power and wait for 30 minutes to let the gas Open the measurement unit cover by loosening the four Philips head screws use a 2 Phillips head type screw dr...

Страница 60: ...he process window handle with care Using 7 64 Allen key carefully insert through the access holes and remove the four window retaining screws and lock washers use long needle nose pliers to carefully hold each screw as it comes lose TAKE CARE not to touch the detector or laser collimation lens ...

Страница 61: ...sive cloth If the deposits do not come off then use a small amount of IPA and a soft non abrasive cloth Use the same clean dry instrument air or nitrogen pressure supply to blow dry the surface Carefully check the entire surface of the window from different angles to ensure it is thoroughly cleaned and ready for service If the window does not appear to clean up well then replace the window assembl...

Страница 62: ...key Using the 7 64 Allen key wrench carefully hand tighten each screw using a diagonal pattern and gradually increase each screw incrementally do not fully tighten one screw at a time tighten them down evenly and incrementally to a maximum of 18 lb in torque When the window is fully fastened check the transmission level to see if normal levels have been restored and if the measurements now appear ...

Страница 63: ...s been designed with extensive data reporting capabilities All data is available in the analyzer as a text file for import into a spreadsheet for analysis Data stored in the analyzer Results Every measurement the gas concentration transmission diagnostic data are stored Spectra The analyzer records spectra at a timed interval in the event of an analyzer warning or fault including concentration val...

Страница 64: ...nd should only be performed by appropriately qualified personnel The options for Validation and Calibration are 7 4 1 Off Line Manual Automatic Checking Validation Validate Off Line or Cal Check Manual Zero Span Manual introduction of zero or span gas and follow manual procedure via user interface Calibrate Off Line Manual Zero Span Manual or automatic introduction of Zero and Span gases for valid...

Страница 65: ...cally configured Refer to section 5 5 3 for details Local Initiate will start the automatic online validation sequence when selected It will use the existing Settings see below for details on Settings Remote Initiate will enable disable monitoring of the selected Remote Initiate contacts on TB 2 within the Launch Unit When enabled the analyzer will detect the chosen contact closure and automatical...

Страница 66: ...quivalent Check Gas Temperature can be selected for either Fixed or Active o If Active Temperature then follow on screen instructions o If Fixed Temperature then enter in the temperature of the gas within the offline flow cell Remember that this value will be used whenever the auto validate is used so try to select a value that is representative of when the auto validate might take place day night...

Страница 67: ...riate user interface go to either Basic Menu to Check Zero or Span or Advanced Menu to Check Zero or Span and or perform actual Calibration 2 Follow the detailed on screen instructions 3 We do not recommend calibrating the Zero If the Zero reading appear incorrect then ensure all data results and spectra have been stored and send the files to Yokogawa Laser Analysis Division for further evaluation...

Страница 68: ... 7 Routine Maintenance 7 15 IM 11Y01B02 01E A 3rd Edition June 19 2012 00 ...

Страница 69: ...nsmission amount of laser power at the detector which could indicate window fouling where the measurement is still being made but further loss of transmission will cause loss of measurement Faults These are conditions where the measurement is lost or degraded past the point of reliability An example would be loss of transmission which could indicate complete miss alignment or laser failure The TDL...

Страница 70: ...omponents Status LEDs are listed below Blue LED from left to right Voltage Use D20 5V Laser temp control power supply D26 15V Isolated power supply D27 15V Isolated power supply D24 8V DFB laser driver power supply D23 8V DFB laser driver power supply D22 12V DFB laser driver power supply D16 12V Detector board power supply D19 12V VCSEL laser driver power supply D6 15V Analog IO board power suppl...

Страница 71: ...sufficient light from reaching the detector Improvements to the sample handling conditioning system should be made to remove particulate Weak Laser The output power of the laser module itself o Weak or dead laser diode source not outputting sufficient light 8 2 Analyzer Warnings Warning Action Steps Detector Signal Low This is based on the amount of signal gener ated by the detector Refer to Low o...

Страница 72: ... output from adjacent processes and or radiant process and or direct sunlight 8 3 Analyzer Faults For analyzer faults it is recommended that you contact Yokogawa Laser Analysis Division immediately There is typically no user intervention that should be attempted unless specifically diagnosed or directed by Yokogawa Yokogawa Laser Analysis Division personnel will step you through diagnostic and rep...

Страница 73: ...dated measurement set of data for that date and then sequential ly contains every up dated measurement set of data in the same dated file until the end of that date A new dated file is created each day Files are deleted automatically on a First In First Out FIFO basis if the allowable Data folder has no spare memory 092407 spe Daily Spectra Allows for review of daily results and diagnostic data on...

Страница 74: ...History Back up When the alarms his file ex ceeds 100KB size the contents is saved to this bak file and the his file is emptied This bak file is in the form of ASCII data files that can be opened with Microsoft Notepad as simple txt file formats The content can then be copied and pasted into Microsoft Excel spread Each Alarm incident is logged with the date MM DD YYYY and time that it occurred the...

Страница 75: ...n01 to span10 spe Historical Span Calibration Spectra Previous Absorption Spectrum and coefficients at time of previous calibrations span01 through span09 are previous files with span01 being the most recent The most recent previous span01 can be restored in the analyzer as Previous Calibration The factory calibration which can also be restored in the analyzer is named span10 system cfg System Con...

Страница 76: ...valspe bak Validation Spectra Back Up Backed up spectra captured during On Line and Off Line Validations When the valspe his file exceeds 1MB size the contents is saved to this bak file and the his file is emptied This bak file is Spectra captured for historical Validations On Line and Off Line are stored in this file zero00 spe Zero Calibration Spectra Absorption Spectrum and coefficients at time...

Страница 77: ... Data result or Factory Data The default setting during normal operation is User Data The system should only be switched to Factory Data when advised by Yokogawa Laser Analysis Division Note recording Factory Data is only for specific diagnostic purposes and should not be selected under normal operation 9 1 Configuring Data Capture ...

Страница 78: ... rate at which you would like the analyzer to capture spectrum files and under what condition The default condition is related to the number of measurement however the user can select Relative or Absolute changes pending the site specific conditions requirements The more frequently spectrum are stored then the larger the MMDDYY spe files will become NOTE Capturing every spectrum for one day can cr...

Страница 79: ...reated for less meaningful Warning alarm conditions An example is a low transmission warning alarm set at 70 for an application that often runs at less than 70 transmission Determine whether or not the analyzer should capture spectrum files under a FAULT condition Note this may be useful to do so however if the Fault alarm conditions are not set correctly then there could be excessive files create...

Страница 80: ...for at least 5 minutes to ensure the transfer is complete NOTES Please use the supplied SanDisk USB memory device with when getting data from the analyzer Each analyzer is supplied with one pre tested USB memory devices please retain them and use with each appropriate analyzer If an un recognized USB memory device is used then the MS Windows XPe operating system may attempt to install new hardware...

Страница 81: ...d 2nd Feb 2012 Revisions Formatting was corrected 3rd June 2012 Revisions 1 Format issues were corrected 2 Preface section was modifed 3 Safety Precautions section was added 4 Quick Start section 1 was modifed 5 General Specifcations section updated 6 Section 7 Routine Maintience updated 7 Section 8 Troubleshooting updated 8 Section 8 4 removed 9 Corrected image numbers REVISION RECORD i IM 11Y01B...

Страница 82: ...rporation of America North America 2 Dart Road Newnan GA 30265 1094 USA Phone 800 888 6400 Fax 770 254 0928 12530 West Airport Blvd Sugar Land TX 77478 Phone 281 340 3800 Fax 281 340 3838 Mexico Melchor Ocampo 193 Torre C Oficina 3 B Veronica Anzures D F C P 11300 Phone 55 5260 0019 55 5260 0042 Yokogawa Canada Inc Bay 4 11133 40th Street SE Calgary AB Canada T2C2Z4 Phone 403 258 2681 Fax 403 258 ...

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