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Servicing

Service Locations

7-42

Model 49

i

Instruction Manual

Thermo Fisher Scientific

1. Turn instrument OFF, unplug the power cord, and remove the cover.

2. Remove the connection cables from the board.

3. Remove the two screws from the top of the board.

4. Pop off the board from the bottom mounting studs and remove the

board.

5. To install the new ozonator board, follow previous steps in reverse.

Service Locations

For additional assistance, service is available from exclusive distributors
worldwide. Contact one of the phone numbers below for product support
and technical information or visit us on the web at www.thermo.com/aqi.

1-866-282-0430 Toll Free

1-508-520-0430 International

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Содержание 49i

Страница 1: ...Model 49i Instruction Manual UV Photometric O3 Analyzer Part number 102434 00 10Jan2008 ...

Страница 2: ...ons terms and pricing are subject to change Not all products are available in all countries Please consult your local sales representative for details Thermo Fisher Scientific Air Quality Instruments 27 Forge Parkway Franklin MA 02038 1 508 520 0430 www thermo com aqi ...

Страница 3: ...ientific has contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled through them Further information on Thermo Fisher Scientific s compliance with these Directives the recyclers in your country and information on Thermo Fisher Scientific products which may assist the detection of substances subject to the RoHS Directive a...

Страница 4: ......

Страница 5: ...EQOA 0880 047 EPA Designation Date August 27 1980 amended for Model 49i The Model 49i meets EPA designation requirements when operated as follows With or without the following options Range 50 to 1000 ppb Averaging Time 10 to 300 seconds Temperature Range 20 to 30 C Line Voltage 90 to 110 Vac 50 60 Hertz 105 to 125 Vac 50 60 Hertz 210 to 250 Vac 50 60 Hertz Pressure Compensation ON or OFF Temperat...

Страница 6: ......

Страница 7: ...Assemblies 2 5 Startup 2 9 Chapter 3 Operation 3 1 Display 3 2 Pushbuttons 3 3 Soft Keys 3 4 Software Overview 3 4 Power Up Screen 3 6 Run Screen 3 6 Main Menu 3 7 Range Menu 3 8 Single Range Mode 3 8 Dual Range Mode 3 10 Auto Range Mode 3 11 Gas Units 3 14 O3 Range 3 14 Set Custom Ranges 3 16 Averaging Time 3 17 Calibration Factors Menu 3 18 O3 Background 3 18 O3 Span Coefficient 3 20 Calibration...

Страница 8: ...65 Temperatures 3 67 Pressure 3 67 Flows 3 67 Cell A B O3 3 68 Intensities 3 68 Analog Input Readings 3 69 Analog Input Voltages 3 69 Digital Inputs 3 69 Relay States 3 70 Test Analog Outputs 3 70 Instrument Configuration 3 71 Contact Information 3 72 Alarms Menu 3 72 O3 Lamp Temperature 3 73 Lamp Temperature 3 74 Bench Temperature 3 75 Pressure 3 76 Flow A and B 3 77 Intensity A and B 3 78 Zero a...

Страница 9: ...Air Generator 4 1 Calibration Photometer System 4 2 Instrument Preparation 4 3 Calibration Photometer System Preparation 4 3 System Check 4 3 Ozone Loss Test 4 4 Linearity Check 4 5 Intercomparability Test 4 7 Calibration Procedure 4 8 Connect Instrument 4 9 Zero Adjust 4 9 Span Adjust 4 10 Additional Concentration Standards 4 10 Calibration Curve 4 11 Periodic Zero and Span Checks 4 11 Internal O...

Страница 10: ... Components 7 6 Removing the Measurement Bench and Lowering the Partition Panel 7 8 Fuse Replacement 7 9 Pump Replacement 7 10 Fan Replacement 7 11 Analog Output Testing 7 12 Analog Output Calibration 7 14 Analog Input Calibration 7 15 Calibrating the Input Channels to Zero Volts 7 15 Calibrating the Input Channels to Full Scale 7 16 I O Expansion Board Replacement Optional 7 17 Digital Output Boa...

Страница 11: ...scription 8 1 Hardware 8 1 Optical Bench with Photometer Lamp 8 2 Detector System 8 2 Flow Transducers 8 2 Pressure Transducer 8 2 Ozonator Assembly 8 3 Ozonator Lamp Power Supply 8 3 Photometer Lamp Power Supply 8 3 Optical Bench Temperature Thermistor 8 3 Pump 8 3 Sample Reference Solenoid Valves 8 3 Software 8 3 Instrument Control 8 4 Monitoring Signals 8 4 Measurement Calculations 8 4 Output C...

Страница 12: ...s 9 4 Appendix A Warranty A 1 Appendix B C Link Protocol Commands B 1 Instrument Identification Number B 2 Entering Units in PPB B 2 Accessing Streaming Data B 2 Commands B 2 Measurements B 8 Alarms B 11 Diagnostics B 16 Datalogging B 17 Calibration B 24 Keys Display B 26 Measurement Configuration B 29 Hardware Configuration B 33 Communications Configuration B 35 I O Configuration B 39 Record Layo...

Страница 13: ...gistersC 5 0x05 Force Write Single Coil C 7 MODBUS Commands Supported C 8 Appendix D Geysitech Bayern Hessen Protocol D 1 Serial Communication Parameters D 1 TCP Communication Parameters D 2 Instrument Address D 2 Abbreviations Used D 2 Basic Command Structure D 2 Block Checksum BCC D 3 Geysitech Commands D 3 Instrument Control Command ST D 3 Data Sampling Data Query Command DA D 4 Measurements Re...

Страница 14: ...Contents xiv Model 49i Instruction Manual Thermo Fisher Scientific ...

Страница 15: ...i Connected to Calibration Photometer and External Ozonator 4 9 Ozonator Flow Scheme 4 13 Capillary Location 5 6 Rebuilding the Pump 5 7 Board Level Connection Diagram Common Electronics 6 6 Board Level Connection Diagram Measurement System 6 7 Properly Grounded Antistatic Wrist Strap 7 4 Component Layout 7 7 Removing the Measurement Bench and Lowering the Partition Panel 7 8 Replacing the Pump 7 ...

Страница 16: ...Figures xvi Model 49i Instruction Manual Thermo Fisher Scientific Flag Status B 11 ...

Страница 17: ...t Board Connector Pin Descriptions 6 16 Measurement Interface Board Connector Pin Descriptions 6 17 Ozonator Power Supply Connector Pin Descriptions 6 19 Photometer Power Supply Connector Pin Descriptions 6 20 Model 49i Replacement Parts 7 4 Model 49i Cables 7 6 External Device Connection Components 7 6 Analog Output Channels and Rear Panel Pin Connections 7 14 Analog Input Channels and Rear Panel...

Страница 18: ...el 49i Instruction Manual Thermo Fisher Scientific Read Registers for 49i C 9 Write Coils for 49i C 10 Operating Status for Model 49i and 49i Primary Standard D 7 Error Status for Model 49i and 49i Primary Standard D 8 ...

Страница 19: ...ating the analyzer and describes the required equipment Chapter 5 Preventive Maintenance provides maintenance procedures to ensure reliable and consistent instrument operation Chapter 6 Troubleshooting presents guidelines for diagnosing analyzer failures isolating faults and includes recommended actions for restoring proper operation Chapter 7 Servicing presents safety alerts for technicians worki...

Страница 20: ...ecific information on how to operate the analyzer however if the analyzer is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Safety and Equipment Damage Alerts This manual contains important information to alert you to potential safety hazards and risks of equipment damage Refer to the following types of alerts you may see in this manual ...

Страница 21: ...g soap and water Equipment Damage Do not attempt to lift the analyzer by the cover or other external fittings Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must be worn while handling any internal component This adjustment should only be performed by an instrument service technician Handle all printed circuit boards by the...

Страница 22: ...ual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense WEEE Symbol The following symbol and description identify the WEEE marking used on the instrument and in the associated documentation Where to Get Help Service is a...

Страница 23: ...nge modes Multiple user defined analog outputs Analog input options High sensitivity Fast response time Linearity through all ranges Dual cell measurement cancels potential interference Automatic temperature and pressure compensation User selectable digital input output capabilities Standard communications features include RS232 485 and Ethernet C Link MODBUS Geysitech Bayern Hessen protocol and s...

Страница 24: ...efficient 308 cm 1 at 0 C and 1 atmosphere L length of cell 38 cm C ozone concentration in parts per million ppm I UV light intensity of sample with ozone sample gas Io UV light intensity of sample without ozone reference gas The sample is drawn into the Model 49i through the sample bulkhead and is split into two gas streams as shown in Figure 1 1 One gas stream flows through an ozone scrubber to ...

Страница 25: ...pecifications Preset ranges 0 0 05 0 1 0 2 0 5 1 2 5 10 20 50 100 200 ppm 0 0 1 0 2 0 5 1 2 5 10 20 50 100 200 400 mg m3 Custom ranges 0 0 05 to 200 ppm 0 0 1 to 400 mg m3 Zero roise 0 25 ppb RMS 60 second averaging time Lower detectable limit 1 0 ppb Zero drift 1 ppb 24 hour 2 ppb 7 day Span drift less than 1 per month including drift of transducers Response time 20 seconds 10 seconds lag time Li...

Страница 26: ...surement input Digital outputs 1 power fail relay Form C 10 digital relays Form A user selectable alarm output relay logic 100 mA 200 VDC Digital inputs 16 digital inputs user select programmable TTL level pulled high Serial Ports 1 RS 232 or RS 485 with two connectors baud rate 1200 115200 data bits parity and stop bits protocols C Link MODBUS and streaming data all user selectable Ethernet conne...

Страница 27: ... the unit it is desirable to have two persons lifting one by grasping the bottom in the front and the other by grasping the bottom in the rear Unpacking and Inspection The Model 49i is shipped complete in one container If there is obvious damage to the shipping container when you receive the instrument notify the carrier immediately and hold for inspection The carrier is responsible for any damage...

Страница 28: ...emove the Packing Material 4 Remove the three shipping screws Figure 2 2 Figure 2 2 Remove the Shipping Screws 5 Check for possible damage during shipment 6 Check that all connectors and circuit boards are firmly attached Units without Optional I O Board Units with Optional I O Board Remove Packing Remove Packing 2 pieces 2 pieces Shipping Screws 3 ...

Страница 29: ...necessary to use the Teflon particulate filter as described in Teflon Particulate Filter on page 9 2 Note Gas must be delivered to the instrument at atmospheric pressure It may be necessary to use an atmospheric bypass plumbing arrangement as shown in Figure 2 4 if gas pressure is greater than atmospheric pressure 2 Connect the EXHAUST bulkhead to a suitable vent The exhaust line should be 1 4 inc...

Страница 30: ...dure 2 4 Model 49i Instruction Manual Thermo Fisher Scientific Figure 2 3 Model 49i Rear Panel Figure 2 4 Atmospheric Dump Bypass Plumbing Instrument Bulkhead Input Gas Line Vent to Exhaust Line at Atmospheric Pressure SAMPLE ...

Страница 31: ...l Device Connection Components in the Servicing chapter Terminal Board PCB Assemblies The following terminal board PCB assemblies are available for iSeries instruments I O terminal board PCB assembly 37 pin standard D O terminal board PCB assembly 37 pin standard 25 pin terminal board PCB assembly included with optional I O Expansion Board I O Terminal Board Figure 2 5 shows the recommended method...

Страница 32: ...B Table 2 1 I O Terminal Board Pin Descriptions Pin Signal Description Pin Signal Description 1 Analog1 13 Power_Fail_NC 2 Analog ground 14 Power_Fail_COM 3 Analog2 15 Power_Fail_NO 4 Analog ground 16 TTL_Input1 5 Analog3 17 TTL_Input2 6 Analog ground 18 TTL_Input3 7 Analog4 19 TTL_Input4 8 Analog ground 20 Digital ground 9 Analog5 21 TTL_Input5 10 Analog ground 22 TTL_Input6 11 Analog6 23 TTL_Inp...

Страница 33: ...bled Connector See Detail A Detail A See Detail B Detail B Table 2 2 D O Terminal Board Pin Descriptions Pin Signal Description Pin Signal Description 1 Relay1_ContactA 13 Relay7_ContactA 2 Relay1_ContactB 14 Relay7_ContactB 3 Relay2_ContactA 15 Relay8_ContactA 4 Relay2_ContactB 16 Relay8_ContactB 5 Relay3_ContactA 17 Relay9_ContactA 6 Relay3_ContactB 18 Relay9_ContactB 7 Relay4_ContactA 19 Relay1...

Страница 34: ...t Side Viewed from Top of Board Assembled Connector See Detail A Detail A See Detail B Detail B Table 2 3 25 Pin Terminal Board Pin Descriptions Pin Signal Description Pin Signal Description 1 IOut1 13 Analog_In1 2 GND_ISO 14 Analog_In2 3 IOut2 15 Analog_In3 4 GND_ISO 16 GNDD 5 IOut3 17 Analog_In4 6 GND_ISO 18 Analog_In5 7 IOut4 19 Analog_In6 8 GND_ISO 20 GNDD 9 IOut5 21 Analog_In7 10 GND_ISO 22 A...

Страница 35: ...e power ON 2 Allow 90 minutes for the instrument to stabilize 3 Set instrument parameters such as operating ranges and averaging times to appropriate settings For more information about instrument parameters see the Operation chapter 4 Before beginning actual instrument monitoring perform a multipoint calibration as described in the Calibration chapter ...

Страница 36: ...Installation Startup 2 10 Model 49i Instruction Manual Thermo Fisher Scientific ...

Страница 37: ...veraging Time on page 3 17 describes the averaging period applied to O3 measurements Calibration Factors Menu on page 3 18 describes the calibration factors used to correct O3 measurement readings Calibration Menu on page 3 21 describes calibration of zero and span Instrument Controls Menu on page 3 27 describes the instrument hardware control and configuration Diagnostics Menu on page 3 64 descri...

Страница 38: ...rument controls help and error messages Some menus contain more items than can be displayed at one time For these menus use and to move the cursor up and down to each item Figure 3 1 49i Front Panel Display CAUTION If the LCD panel breaks do not let the liquid crystal contact your skin or clothes If the liquid crystal contacts your skin or clothes wash it off immediately using soap and water ...

Страница 39: ...hen in the Run screen or back up one level in the menu system For more information about the Main Menu see Main Menu later in this chapter Help The is context sensitive that is it provides additional information about the screen that is being displayed Press for a brief explanation about the current screen or menu Help messages are displayed using lower case letters to easily distinguish them from...

Страница 40: ...n item cannot be assigned the key assignment screen will not come up upon entering right arrow soft key combinations All items under the Service menu including the menu itself cannot be assigned soft keys Software Overview The Model 49i utilizes the menu driven software illustrated by the flowchart in Figure 3 3 The Power Up screen shown at the top of the flowchart is displayed each time the instr...

Страница 41: ...CVG 6KOG KCIPQUVKEU 2TQITCO 8GTUKQP 8QNVCIGU 6GORU 2TGUUWTG NQYU GNN 1 PVGPUKVKGU PCNQI PRWV 4GCFKPIU PCNQI PRWV 8QNVCIGU KIKVCN PRWVU 4GNC 5VCVGU 6GUV PCNQI 1WVRWVU PUVTWOGPV QPHKI QPVCEV PHQ NCTOU NCTOU GVGEVGF 1 COR 6GOR COR 6GOR GPEJ 6GOR 2TGUUWTG NQY NQY PVGPUKV PVGPUKV GTQ JGEM 5RCP JGEM GTQ WVQECN 5RCP WVQECN 1 GXGN JGEM 1 GXGN JGEM 1 GXGN JGEM 1 GXGN JGEM 1 QPE 5VCVWU PV F 5VCVWU 1 ZR F 5V...

Страница 42: ...le mode Other modes appear in the same area of the display as ZERO LEVEL 1 LEVEL 2 LEVEL 3 LEVEL 4 or LEVEL 5 Press to scroll through sample zero or custom levels For more information about the optional solenoid valve or internal ozonator see Chapter 9 Optional Equipment When operating in dual or auto range mode two sets of coefficients are used to calculate the O3 LOW and HIGH concentrations Also...

Страница 43: ...en The Service menu is visible only when the instrument is in service mode For more information on the service mode see Service Mode later in this chapter Use and to move the cursor up and down Press to select a choice Press to return to the Main Menu or to return to the Run screen X CONCENTRATION W NO 28 7 PPB O3 600 PPB SAMPLE 12 34 ALARMx RANGE AVG DIAGS ALARM MAIN MENU RANGE AVERAGING TIME CAL...

Страница 44: ...e Mode and Auto Range Mode below In the Main Menu choose Range Single Range Mode In the single range mode there is one range one averaging time and one span coefficient By default the analog outputs are arranged on the rear panel connector as shown in Figure 3 4 See Table 3 2 for channels and pin connections Single range mode may be selected from the Range Mode Select in the Service Menu later in ...

Страница 45: ...alog Outputs in Single Range Mode Note All channels are user definable If any customization has been made to the analog output configuration the default selections may not apply Channel Pin I O Terminal Pin Description 1 14 1 O3 Analog Output 2 33 3 O3 Analog Output 3 15 5 None 4 34 7 None 5 17 9 None 6 36 11 None Ground 16 18 19 35 37 2 4 6 8 10 12 Signal Ground ...

Страница 46: ...pb and the high O3 analog output set to output concentrations from 0 to 200 ppb In addition to each channel having two ranges each channel has two span coefficients There are two span coefficients so that each range can be calibrated separately This is necessary if the two ranges are not close to one another For example if the low O3 range is set to 0 50 ppb and the high O3 range is set to 0 1 000...

Страница 47: ...analog output and sample concentrations above 500 ppb are presented to the high ranges analog outputs When the low range is active the status output is at 0 volts When the high range is active the status output is at half of full scale When the high range is active the concentration must drop to 85 of the low O3 range for the low range to become active In addition each O3 analog output has a span ...

Страница 48: ...alog Output in Auto Range Mode By default in the auto range mode the analog outputs are arranged on the rear panel connector as shown in Figure 3 7 See Table 3 4 for channels and pin connections Auto range mode may be selected from the Range Mode Select in the Service Menu later in this chapter ...

Страница 49: ...o Range Mode Note All channels are user definable If any customization has been made to the analog output configuration the default selections may not apply Channel Pin I O Terminal Pin Description 1 14 1 O3 Analog Output 2 33 3 Range Status half scale high range zero scale low range 3 15 5 None 4 34 7 None 5 17 9 None 6 36 11 None Ground 16 18 19 35 37 2 4 6 8 10 12 Signal Ground ...

Страница 50: ...as Units Use and to scroll through a list of choices Press to save the new units Note If the units change from ppb ppm to μg m3 mg m3 or vice versa the instrument should be re calibrated particularly if the user s standard temperature is different from 20 C A display warning will appear that ranges will be defaulted and calibration parameters reset O3 Range The O3 Range screen defines the concentr...

Страница 51: ... Range O3 Range Use and to scroll through a list of choices Press to save the new range Table 3 5 Operating Ranges ppb ppm μg m3 mg m3 50 0 05 100 0 1 100 0 10 200 0 2 200 0 20 500 0 5 500 0 50 1 000 1 1 000 1 2 000 2 2 000 2 5 000 5 5 000 5 10 000 10 10 000 10 20 000 20 20 000 20 50 000 50 50 000 50 100 000 100 100 000 100 200 000 200 200 000 200 400 000 400 C1 C1 C1 C1 C2 C2 C2 C2 O3 RANGE CURRE...

Страница 52: ... In the Main Menu choose Range Set Custom Ranges Custom Ranges The Custom Ranges screen is used to define the custom ranges The display shows the current custom range The next line of the display is used to set the range To use the custom full scale range be sure to select it Custom range 1 2 or 3 in the O3 Range screen For more information about selecting ranges see O3 Range above In the Main Men...

Страница 53: ...changes Longer averaging times are typically used to smooth output data The Averaging Time screen for the single range mode is shown below In the dual and auto range modes an averaging time menu is displayed before the averaging time screen This additional menu is needed because dual and auto range modes have two averaging times high and low The averaging time screens function the same way in the ...

Страница 54: ...he instrument can also be calibrated manually using the Calibration Factors menu To manually calibrate the instrument see O3 Background and O3 Coefficients below In the Main Menu choose Calibration Factors O3 Background The O3 background correction is determined during zero calibration The O3 background is the amount of signal read by the analyzer while sampling zero air Before the analyzer sets t...

Страница 55: ...k is used to as a prompt to change the background compensation In this case the background compensation must be increased to 4 4 ppb in order for the O3 reading to be at 0 ppb To set the O3 reading in the example below to zero use to increment the O3 background compensation to 4 4 ppb As the O3 background compensation is increased the O3 concentration is decreased Note that at this point pressing ...

Страница 56: ...ration reading The next line of the display shows the O3 span coefficient that is stored in memory and is being used to correct the O3 concentration Notice that as the span coefficient value is changed the current O3 concentration reading above also changes However no real changes are made to the value stored in memory until is pressed Only proposed changes as indicated by a question mark prompt a...

Страница 57: ...le cal valve option is installed The screens below show the calibration menu in single mode and dual auto range modes The calibration menu is similar for the single dual and auto range mode however the dual and auto range modes have two O3 span factors high and low This allows each range to be calibrated separately This is necessary if the two ranges used are not close to one another For example a...

Страница 58: ...see Chapter 4 Calibration In the Main Menu choose Calibration Calibrate Zero Press to set the new reading to zero Calibrate O3 Coefficient The Calibrate O3 Coefficient screen is used to adjust the O3 coefficient while sampling span gas of known concentrations The display shows the current range The next line of the display is where the calibration gas concentration is entered In dual or auto range...

Страница 59: ...on Cal O3 Coef Use and to move the cursor left or right Use and to increment or decrement the numeric value Press to calculate and save the new coefficient based on the entered span concentration Zero Span Check The Zero Span Check menu is available with the sample cal valve option It is used to program the instrument to perform fully automated zero and span check or adjustments Total Duration Hou...

Страница 60: ...he Zero Span Period Hours screen defines the period or interval between zero span checks Periods between 0 and 999 hours are acceptable To turn the zero span check off set the period to 0 In the Main Menu choose Calibration Zero Span Check Period Hours ZERO SPAN CHECK NEXT TIME 01Jan05 12 00 PERIOD HR 24 TOTAL DURATION HR 1 5 ZERO DURATION MIN 30 SPAN DURATION MIN 30 PURGE DURATION MIN 30 ZERO SPA...

Страница 61: ... instrument Durations between 0 and 60 minutes are acceptable Each time a zero span check occurs the zero check is done first followed by the span check To perform just a zero check set the span and purge duration screen to 0 off The same applies to perform just a span or purge check In the Main Menu choose Calibration Zero Span Check Zero Span or Purge Duration Min Use and to move the cursor left...

Страница 62: ...0 seconds For more information about fast update times see Cycle Time later in this chapter In the Main Menu choose Calibration Zero Span Check Zero Span Avg Sec Use and to scroll through a list of choices Press to save the averaging time Zero Span Ratio The Zero Span Ratio screen is used to adjust the ratio of zeros to spans For example if this value is set to 1 a span check will follow every zer...

Страница 63: ...t Controls Custom Levels The Custom Levels menu lists four custom levels 1 2 3 4 and 5 Custom levels deal with ozonator control and configuration This menu is only displayed if the ozonator option is installed In the Main Menu choose Instrument Controls Custom Levels ZERO SPAN RATIO CURRENTLY 1 1 SET TO 2 1 ª CHANGE VALUE SAVE VALUE RANGE AVG DIAGS ALARM INSTRUMENT CONTROLS CUSTOM LEVELS OZONATOR ...

Страница 64: ...ly displayed if the ozonator option is installed In the Main Menu choose Instrument Controls Custom Levels Custom Level 1 2 3 4 or 5 Use and to increment or decrement the numeric value Press to save the new concentration setting Pump The Pump screen allows the user to toggle the pump on and off In the Main Menu choose Instrument Controls Pump Press to toggle and set the pump on or off CUSTOM O3 LE...

Страница 65: ...The Cycle Time screen allows the user to toggle between standard averaging time and fast averaging Fast averaging times include 4 8 12 24 36 48 72 96 and 120 seconds For more information on normal averaging times available see Averaging Time earlier in the this chapter In the Main Menu choose Instrument Controls Cycle Time Press to toggle and set the cycle time standard or fast PUMP CURRENTLY OFF ...

Страница 66: ... 0 0 C In the Main Menu choose Instrument Controls Temperature Compensation Press to toggle and set the temperature compensation on or off Pressure Compensation Pressure compensation provides compensation for any changes to the instrument s output signal due to variations of sample pressure The Model 49i can be operated with or without pressure compensation When pressure compensation is on the fir...

Страница 67: ...ttings Select SREC LREC The Select SREC LREC is used to select short record or long record format for other operations in this menu In the Main Menu choose Instrument Controls Datalogging Settings Select SREC LREC Press to toggle and set to either short record or long record format PRESSURE COMPENSATION COMP PRES 760 0 mmHg CURRENTLY OFF SET TO ON TOGGLE VALUE RANGE AVG DIAGS ALARM DATALOGGING SET...

Страница 68: ... Data Use and to toggle between number of records or date and time Press to accept Number of Records The Number of Records screen is used to select the starting point to display the number of records back to view Use and to move the cursor left or right Use and to increment or decrement the numeric value Press to set the starting record and continue to the record display screen SELECT LOG TYPE CUR...

Страница 69: ... then the first logged data record that is displayed is the first record after this time If set to one minute logging this would be at 20 JUN 2005 10 01 Use and to increment or decrement the selected field Use to advance to next field Press to set the date and time of the first record to be displayed and continue to the record display screen SET BACK FROM CURRENT 0000000 TOTAL LRECS 20 MOVE CURSOR...

Страница 70: ...sed to erase all saved data for the selected record type not all short records and long records In the Main Menu choose Instrument Controls Datalogging Settings Erase Log Press to erase all data Press to confirm erasure DATE AND TIME 20 JUN 2005 10 00 ª CHG DAYS SET CURSOR TO MONTHS ACCEPT AS SHOWN RANGE AVG DIAGS ALARM time date flags 10 01 06 20 05 FC0088900 10 02 06 20 05 FC0088900 10 03 06 20 ...

Страница 71: ...l erase all currently logged data as the format of the stored data is changed In the Main Menu choose Instrument Controls Datalogging Settings Select Content Choose Item Type The Choose Item Type submenu displays a list of data that can be logged for the current field Choices and Concentrations Other Measurements and Analog Inputs if the I O expansion board is installed In the Main Menu choose Ins...

Страница 72: ...ct Field Concentrations Use and to move the cursor up and down Press to select a new choice Other Measurements The Other Measurements screen allows the user to select the output signal that is tied to the selected field item The selected item is shown by after it Items displayed are determined by the options installed Note that at this point pressing indicates that these are proposed changes as op...

Страница 73: ... that these are proposed changes as opposed to implemented changes To change the selected record format and erase record log file data see Commit Content below In the Main Menu choose Instrument Controls Datalogging Settings Select Content Select Field Analog Inputs Use and to move the cursor up and down Press to select a new choice OTHER MEASUREMENTS NONE INTENSITY A INTENSITY B NOISE A NOISE B F...

Страница 74: ...elected record format and erase record log file data Press to confirm changes Reset to Default Content The Reset to Default Content screen is used to reset all of the datalogging field items to default values For more information about selecting the analog output signal group choices see Select Content above In the Main Menu choose Instrument Controls Datalogging Settings Reset to Default Content ...

Страница 75: ... in minutes for the record format srec or lrec List of choices include off 1 5 15 30 and 60 minutes default In the Main Menu choose Instrument Controls Datalogging Settings Configure Datalogging Logging Period Min Use and to scroll through a list of choices Press to set the logging period RESET LREC FORMAT AND RESET LREC FORMAT AND ERASE LREC LOG FILE DATA ERASE LREC LOG FILE DATA RESET RESET ARE ...

Страница 76: ... set the percentage for both record types and proceed to the erasure warning screen Press to confirm change Data Treatment The Data Treatment screen is used to select the data type for the selected record whether the data should be averaged over the interval the minimum or maximum used or the current value logged Data treatment doesn t apply to all data just to the concentration measurement All ot...

Страница 77: ...Main Menu choose Instrument Controls Communication Settings Baud Rate The Baud Rate screen is used to set the RS 232 RS 485 interface baud rate Baud rates of 1200 2400 4800 and 9600 19200 38400 57600 and 115200 are available In the Main Menu choose Instrument Controls Communication Settings Baud Rate Use and to scroll through a list of choices SET LREC DATA TYPE CURRENTLY AVG SET TO CUR ª CHANGE V...

Страница 78: ...s a default Instrument ID of 49 For more information about the Instrument ID see Appendix B C Link Protocol Commands or Appendix C MODBUS Protocol In the Main Menu choose Instrument Controls Communication Settings Instrument ID Use and to increment or decrement the ID value Press to save the new instrument ID Communication Protocol The Communication Protocol screen is used to change the instrument...

Страница 79: ...splays a list of the analog output signal group choices to choose from Choices are Concentrations Other Measurements and Analog Inputs if the I O expansion board option is installed In the Main Menu choose Instrument Controls Communication Settings Streaming Data Config COMMUNICATION PROTOCOL CURRENTLY CLINK SET TO STREAMING ª CHANGE VALUE SAVE VALUE RANGE AVG DIAGS ALARM STREAMING DATA CONFIG INT...

Страница 80: ...st of choices Press to save the new streaming data period Concentrations The Concentrations screen allows the user to select the output signal that is tied to the selected streaming data item The selected item is shown by after it Range Status is visible only in auto range mode In the Main Menu choose Instrument Controls Communication Settings Streaming Data Config Select Item Concentrations Use a...

Страница 81: ...se and to move the cursor up and down Press to select a new choice Analog Inputs The Analog Inputs screen allows the user to select the analog input signal none or analog inputs 1 8 that is tied to the selected streaming data item The selected item is shown by after it In the Main Menu choose Instrument Controls Communication Settings Streaming Data Config Select Item Analog Inputs Use and to move...

Страница 82: ... to confirm and save the new selection change TCP IP Settings The TCP IP Settings menu is used for defining TCP IP settings Note The instrument power must be cycled after this parameter has been changed for the change to take effect In the Main Menu choose Instrument Controls Communication Settings TCP IP Settings ANALOG INPUTS NONE ANALOG IN 1 ANALOG IN 2 ANALOG IN 3 ANALOG IN 4 ANALOG IN 5 ANALO...

Страница 83: ...CP on or off IP Address The IP Address screen is used to edit the IP address The IP address can only be changed when DHCP is OFF For more information on DHCP see Use DHCP In the Main Menu choose Instrument Controls Communication Settings TCP IP Settings IP Address Use and to move and change the value of the IP address Press to save the new address TCP IP SETTINGS USE DHCP OFF IP ADDRESS 192 168 1 ...

Страница 84: ...the netmask Press to save the new netmask Defalt Gateway The Default Gateway screen is used to edit the gateway address Any traffic to addresses that are not on the local subnet will be routed through this address The default gateway can only be changed when DHCP is OFF For more information on DHCP see Use DHCP In the Main Menu choose Instrument Controls Communication Settings TCP IP Settings Gate...

Страница 85: ... edit field and the alpha page Press to save the new letter in the alpha table or save the new alpha page I O Configuration The I O Configuration menu deals with configuration of the analyzer s I O system The analog input configuration is displayed only if the I O expansion board option is installed In the Main Menu choose Instrument Controls I O Configuration DEFAULT GATEWAY CURRENT 192 168 1 1 S...

Страница 86: ...d state occurs to show up on the outputs In the Main Menu choose Instrument Controls I O Configuration Output Relay Settings Logic State The Logic State screen is used to change the I O relay to either normally open or normally closed Press to toggle and set the logic state open or closed I O CONFIGURATION OUTPUT RELAY SETTINGS DIGITAL INPUT SETTINGS ANALOG OUTPUT CONFIG ANALOG INPUT CONFIG RANGE ...

Страница 87: ...select the alarm status for the selected relay output The selected item is shown by after it The I O board status alarm is present only if the I O expansion board is installed The zero and span check calibration alarms are present only if the zero span valve option is installed and the instrument is operating in manual mode In the Main Menu choose Instrument Controls I O Configuration Output Relay...

Страница 88: ...ay Settings Select Relay Instrument State Non Alarm Use and to scroll through a list of choices Press to save the new selection for the relay ALARM STATUS ITEMS NONE GEN ALARM CONC MAX CONC MIN BENCH TEMP BNCH LMP TEMP OZ LAMP TEMP ª RANGE AVG DIAGS ALARM PRESSURE FLOW A FLOW B INTENSITY A INTENSITY B CONC ALARM MB STATUS IB STATUS I O BD STATUS NON ALARM STATUS ITEMS NONE AUTORANGE SERVICE UNITS ...

Страница 89: ... select a choice Logic State The Logic State screen is used to change the I O relay to either normally open or normally closed The default state is open which indicates that a relay connected between the digital input pin and ground is normally open and closes to trigger the digital input action If nothing is connected to the digital input pin the state should be left at open to prevent the action...

Страница 90: ...splays a list of the analog output channels available for configuration Channel choices include all voltage channels all current channels voltage channels 1 6 and current channels 1 6 if the I O expansion board option is installed Configuration choices include selecting range setting minimum maximum values and choosing signal to output In the Main Menu choose Instrument Controls I O Configuration ...

Страница 91: ... I O Configuration Analog Output Config Select Channel Select Range Use and to move the cursor up and down Press to save the new range OUTPUT CHANNELS ALL VOLTAGE CHANNELS ALL CURRENT CHANNELS VOLTAGE CHANNEL 1 VOLTAGE CHANNEL 2 VOLTAGE CHANNEL 3 VOLTAGE CHANNEL 4 VOLTAGE CHANNEL 5 ª RANGE AVG DIAGS ALARM ANALOG OUTPUT CONFIG SELECT RANGE SET MINIMUM VALUE SET MAXIMUM VALUE CHOOSE SIGNAL TO OUTPUT...

Страница 92: ...value Table 3 6 Analog Output Zero to Full Scale Table Output Zero Value Full Scale 100 Value O3 Zero 0 Range Setting LO O3 Zero 0 Range Setting HI O3 Zero 0 Range Setting Range Status Recommend not to change the setting for this output Intensity A User set alarm min value User set alarm max value Intensity B User set alarm min value User set alarm max value Noise A Zero 0 Range Setting Noise B Ze...

Страница 93: ...ntrations screen is shown below See Table 3 7 below for a list of items for each signal group choice In the Main Menu choose Instrument Controls I O Configuration Analog Output Config Select Channel Choose Signal To Output Use and to move the cursor up and down Press to select a choice O3 Lamp Temp User set alarm min value User set alarm max value Table 3 6 Analog Output Zero to Full Scale Table O...

Страница 94: ...ected In the Main Menu choose Instrument Controls I O Configuration Analog Input Config Table 3 7 Signal Type Group Choices Concentrations Other Measurements Analog Inputs None None None O3 single range only Intensity A Analog Input 1 LO O3 dual auto range only Intensity B Analog Input 2 HI O3 dual auto range only Noise A Analog Input 3 Range Status auto range only Noise B Analog Input 4 Flow A An...

Страница 95: ...onfig Select Channel Descriptor Press to save the new descriptor Units The Units screen allows the user to enter the units for the selected analog input channel The units are displayed on the diagnostic screen and in datalogging and streaming data The units may be from 1 to 3 characters in length and defaults to V volts In the Main Menu choose Instrument Controls I O Configuration Analog Input Con...

Страница 96: ...ement the value Press to save the new value Number of Table Points The Number of Table Points screen allows the user to select how many points are used in the conversion table The points range from 2 to 10 with a default of 2 In the Main Menu choose Instrument Controls I O Configuration Analog Input Config Select Channel Table Points Use and to move the cursor up and down Press to save the new val...

Страница 97: ...age for the selected table point in the conversion table from 0 00 to 10 50 The default table is a two point table with point 1 0 00 V 000 0 U and point 2 10 00 V 10 0 U In the Main Menu choose Instrument Controls I O Configuration Analog Input Config Select Channel Select Point Volts Use and to move the cursor left or right Use and to move the cursor up and down Press to save the new value NUMBER...

Страница 98: ... Use and to move the cursor left or right Use and to move the cursor up and down Press to save the new value Screen Contrast The Screen Contrast screen is used to change the contrast of the display Intensities between 0 and 100 in increments of 10 are available Changing the screen contrast may be necessary if the instrument is operated at extreme temperatures In the Main Menu choose Instrument Con...

Страница 99: ...ater in this chapter Note The service mode should be turned off when finished as it prevents remote operation In the Main Menu choose Instrument Controls Service Mode Press to toggle and set the service mode on or off Date Time The Date Time screen allows the user to view and change the system date and time 24 hour format The internal clock is powered by its own battery when instrument power is of...

Страница 100: ... Menu choose Diagnostics Program Version The Program Version screen read only shows the version number of the program installed Prior to contacting the factory with any questions regarding the instrument please note the program version number DATE AND TIME 19 MAR 2005 12 34 56 DATE AND TIME PRESS TO EDIT 19 MAR 2005 12 34 56 SETTING DAYS SET MONTHS ª CHANGE VALUE SAVE VALUE RANGE AVG DIAGS ALARM R...

Страница 101: ...out having to use a voltage meter The I O board is only displayed if the I O expansion board option is installed In the Main Menu choose Diagnostics Voltages Motherboard Voltages The Motherboard screen read only is used to display the current voltage readings on the motherboard In the Main Menu choose Diagnostics Voltages Motherboard Voltages PROGRAM VERSION PRODUCT MODEL 49i VERSION 01 04 02 137 ...

Страница 102: ...ings on the I O expansion board This menu is only displayed if the I O expansion board option is installed In the Main Menu choose Diagnostics Voltages I O Board Voltages MOTHERBOARD VOLTAGES 3 3 SUPPLY 3 3 V 5 0 SUPPLY 5 0 V 15 0 SUPPLY 15 0 V 24 0 SUPPLY 24 0 V 3 3 SUPPLY 3 3 V RANGE AVG DIAGS ALARM INTERFACE BOARD VOLTAGES 3 3 SUPPLY 3 3 V 5 0 SUPPLY 5 0 V 15 0 SUPPLY 15 0 V 15 0 SUPPLY 15 0 V ...

Страница 103: ...he Pressure screen read only displays the current bench pressure The pressure is measured by a pressure transducer In the Main Menu choose Diagnostics Pressure Flows The Flows screen read only displays the current flow rate through Cell A and Cell B These flows are measured by internal flow sensors For more information see Chapter 1 Operations In the Main Menu choose Diagnostics Flows TEMPERATURES...

Страница 104: ...two cells In the Main Menu choose Diagnostics Cell A B O3 Intensities The Intensities screen read only displays the current intensity in Cell A and Cell B in Hertz These intensities are read by detectors A and B respectively In the Main Menu choose Diagnostics Intensities FLOWS CELL A 0 608 LPM CELL B 0 612 LPM RANGE AVG DIAGS ALARM O3 PPB 600 CELL A 598 CELL B 602 RANGE AVG DIAGS ALARM INTENSITIE...

Страница 105: ... raw analog voltage readings if the I O expansion board option is installed In the Main Menu choose Diagnostics Analog Input Voltages Digital Inputs The Digital Inputs screen read only displays the state of the 16 digital inputs In the Main Menu choose Diagnostics Digital Inputs ANALOG INPUT READINGS CO 10 2 PPM SO2 18 2 PPB CO2 250 PPM FL1 20 42 LPM WND 9 86 V FL2 1 865 LPM IO7 0 0 Vª RANGE AVG D...

Страница 106: ...of digital to analog converter DAC calibration items Channel choices include all analog outputs 6 voltage channels and 6 current channels if the I O expansion board option is installed In the Main Menu choose Diagnostics Test Analog Outputs DIGITAL INPUTS INPUT 1 1 INPUT 2 1 INPUT 3 1 INPUT 4 1 INPUT 5 1 INPUT 6 1 INPUT 7 1ª RANGE AVG DIAGS ALARM RELAY STATE OUTPUT 1 0 OUTPUT 2 0 OUTPUT 3 0 OUTPUT...

Страница 107: ...1 6 or Current Channel 1 6 Press or to set output Press to reset to normal Instrument Configuration The Instrument Configuration screen displays information on the hardware configuration of the instrument Note If the analyzer is in service mode pressing on the item will toggle it yes or no In the Main Menu choose Diagnostics Instrument Configuration Press to toggle instrument configuration in serv...

Страница 108: ...y alarms have occurred If no alarms are detected the number zero is displayed To see the actual reading of an item and its minimum and maximum limits move the cursor to the item and press Items displayed are determined by the options installed The zero or span check is visible only if the zero span check or auto calibration options are enabled The O3 lamp temperature and ozonator level 1 2 3 4 and...

Страница 109: ...alarm is activated The word ALARM appears in the Run screen and in the Main Menu In the Main Menu choose Alarms O3 Lamp Temp ALARMS ALARMS DETECTED 0 O3 LAMP TEMP OK LAMP TEMP OK BENCH TEMP OK PRESSURE OK FLOW A OK FLOW B OKª RANGE AVG DIAGS ALARM INTENSITY A OK INTENSITY B OK ZERO CHECK OK SPAN CHECK OK ZERO AUTOCAL OK SPAN AUTOCAL OK OZ LEVEL 1 CHECK OK OZ LEVEL 2 CHECK OK OZ LEVEL 3 CHECK OK OZ...

Страница 110: ...d sets the minimum and maximum alarm limits Acceptable alarm limits range from 50 to 60 C If the lamp temperature reading goes beyond either the minimum or maximum limit an alarm is activated The word ALARM appears in the Run screen and in the Main Menu In the Main Menu choose Alarms Lamp Temp Min and Max Lamp Temperature Limits The Minimum Lamp Temperature alarm limit screen is used to change the...

Страница 111: ...ed The word ALARM appears in the Run screen and in the Main Menu In the Main Menu choose Alarms Bench Temp Min and Max Bench Temperature Limits The Minimum Bench Temperature alarm limit screen is used to change the minimum bench temperature alarm limit The minimum and maximum bench temperature screens function the same way In the Main Menu choose Alarms Bench Temp Min or Max Use and to increment o...

Страница 112: ...en and in the Main Menu In the Main Menu choose Alarms Pressure Min and Max Pressure Limits The Minimum Pressure alarm limit screen is used to change the minimum pressure alarm limit The minimum and maximum pressure screens function the same way In the Main Menu choose Alarms Pressure Min or Max Use and to increment or decrement the numeric value Press to save set to value as actual value BENCH TE...

Страница 113: ...he Main Menu The Flow B screen functions the same way In the Main Menu choose Alarms Flow A or Flow B Min and Max Flow Limits The Minimum Flow A alarm limit screen is used to change the minimum flow A alarm limit The minimum and maximum flow A and flow B screens function the same way In the Main Menu choose Alarms Select Flow Min or Max Use and to increment or decrement the numeric value Press to ...

Страница 114: ...creen and in the Main Menu In the Main Menu choose Alarms Intensity A or Intensity B Min and Max Intensity Limits The Minimum Intensity A alarm limit screen is used to change the minimum intensity A alarm limit The minimum and maximum intensity A and intensity B screens function the same way In the Main Menu choose Alarms Select Intensity Min or Max Use and to increment or decrement the numeric va...

Страница 115: ... choose Alarms Zero or Span Check Max Zero and Span Offset The Max Zero Check Offset screen is used to change the maximum zero check offset The maximum zero and span offset screens function the same way In the Main Menu choose Alarms Zero or Span Check Max Offset Use and to move the cursor left or right Use and to increment or decrement the numeric value Press to save set to value as actual value ...

Страница 116: ...e Main Menu choose Alarms Zero or Span Autocal Ozonator Level 1 5 Check The Ozonator Level 1 Check screen allows the user to view the status of the most recent ozonator level 1 check and set the maximum check offset The ozonator level 1 2 3 4 and 5 check screens are visible only if the ozonator option is enabled and function the same way In the Main Menu choose Alarms Oz Level 1 2 3 4 or 5 Check M...

Страница 117: ...O3 concentration and sets the minimum and maximum alarm limits Acceptable alarm limits range from 0 to 200 000 ppb The minimum alarm may be programmed as a floor trigger alarm is triggered when the concentration falls below the minimum value or a ceiling trigger alarm is triggered when the concentration goes above the minimum value If the O3 concentration goes beyond either the minimum or maximum ...

Страница 118: ... actual value Min Trigger The Minimum Trigger screen allows the user to view and set the O3 concentration alarm trigger type to either floor or ceiling The minimum alarm may be programmed as a floor trigger alarm is triggered when the concentration falls below the minimum value or a ceiling trigger alarm is triggered when the concentration goes above the minimum value In the Main Menu choose Alarm...

Страница 119: ...ed to manually control the flow of reference or sample gas through Cell B This enables the pressure reading of Cell B with either sample or reference gas to be determined Pump pressure is used to test the pump Selecting any of these menu items will disturb the analog outputs MIN TRIG CEILING FLOOR ACTUAL TRIGGER CEILING SET TRIGGER TO FLOOR TOGGLE AND SAVE VALUE RANGE AVG DIAGS ALARM SERVICE PRESS...

Страница 120: ... B In the Main Menu choose Service Pressure Check Sample Pressure Reference Pressure The Reference Pressure screen read only displays the pressure of the reference gas in Cell B In the Main Menu choose Service Pressure Check Reference Pressure PRESSURE CHECK SAMPLE PRESSURE REFERENCE PRESSURE PUMP PRESSURE RANGE AVG DIAGS ALARM SAMPLE PRESSURE 753 4 mmHg RANGE AVG DIAGS ALARM REFERENCE PRESSURE 75...

Страница 121: ...After 20 seconds if the pressure is less than 390 mmHg and the flow is less than 0 010 LPM the words PUMP OK appears In the Main Menu choose Service Pressure Check Pump Pressure Lamp Setting The Lamp Setting screen is used to adjust the detector intensities The display shows the intensities of Cell A and Cell B The next line of the display shows the current lamp setting Adjust the lamp setting unt...

Страница 122: ...t should only be performed by an instrument service technician In the Main Menu choose Service Detector Calibration Intensity Check The Intensity Check menu is used to manually control the flow of reference or sample gas through either Cell A or Cell B This enables the intensity and noise reading of each detector to be determined with either reference or sample gas flow Selecting any of these menu...

Страница 123: ...creens function the same way only with sample gas instead of reference gas In the Main Menu choose Service Intensity Check Int A or B Ref or Sample Range Mode Select The Range Mode Select screen is used to switch between the various range modes single dual and auto range In the Main Menu choose Service Range Mode Select Use and to scroll through a list of choices Press to save the new range mode I...

Страница 124: ...on the menu Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Pressure Calibration Calibrate Pressure Zero The Calibrate Pressure Zero screen calibrates the pressure sensor at zero pressure Note A vacuum pump must be connected to the pressure sensor before performing the zero calibration In the Main Menu choose Service Pressure Calibr...

Страница 125: ...before calibrating In the Main Menu choose Service Pressure Calibration Span Use and to move and change the value Press to save set to value as actual value Restore Default Pressure Calibration The Restore Default Pressure Calibration screen allows the user to reset the pressure calibration configuration values to factory defaults In the Main Menu choose Service Pressure Calibration Set Defaults P...

Страница 126: ...e earlier in the chapter The Flow B Calibration menu functions the same way Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Flow Calibration A or B Calibrate Flow Zero The Calibrate Flow A Zero screen calibrates the flow sensor at zero flow The Calibrate Flow B Zero screen functions the same way Note The pump must be disconnected be...

Страница 127: ...ers the flow value on this screen to perform the calibration In the Main Menu choose Service Select Flow Calibration A or B Span Use and to move and change the value Press to save set to value as actual value Restore Default Flow Calibration The Restore Default Flow Calibration A screen allows the user to reset the flow calibration configuration values to factory defaults The Restore Default Calib...

Страница 128: ...emperature calibration is visible only when the instrument is in service mode For more information on the service mode see Service Mode earlier in the chapter Note This adjustment should only be performed by an instrument service technician In the Main Menu choose Service Temperature Calibration Use and to move and change the value Press to save set to value as actual value RESTORE DEFAULT CAL A R...

Страница 129: ...n instrument service technician In the Main Menu choose Service Analog Out Calibration Analog Output Calibrate Zero The Analog Output Calibrate Zero screen allows the user to calibrate the zero state of the selected analog output The operator must connect a meter to the output and adjust the output until it reads 0 0 V on the meter In the Main Menu choose Service Analog Out Calibration Select Chan...

Страница 130: ...alog Input Calibration menu is a selection of 8 analog inputs if the I O expansion board option is installed to calibrate and allows the user to select the calibration action zero or span The analog input calibration is visible only when the instrument is in service mode For more information on the service mode see Service Mode earlier in the chapter Note This adjustment should only be performed b...

Страница 131: ...nput channel Press to save the value Analog Input Calibrate Full Scale The Analog Input Calibration Full Scale screen allows the user to calibrate the full scale state of the selected analog input ANALOG INPUT CAL INPUT CHANNEL 1 INPUT CHANNEL 2 INPUT CHANNEL 3 INPUT CHANNEL 4 INPUT CHANNEL 5 INPUT CHANNEL 6 INPUT CHANNEL 7 ª RANGE AVG DIAGS ALARM ANALOG INPUT CAL CALIBRATE ZERO CALIBRATE FULL SCA...

Страница 132: ...o all concentration measurements This screen is only accessible if the dilution ratio option is installed In the Main Menu choose Service Dilution Ratio Use and to move and change the value Press to save set to value as actual value Display Pixel Test The Display Pixel Test is used to test the LCD display The display pixel test is visible only when the instrument is in service mode For more inform...

Страница 133: ...enu choose Service Restore User Defaults Press to warn and enable restore with Press to overwrite all user settings with factory default values Password Menu The Password menu allows the user to configure password protection If the instrument is locked none of the settings may be changed via the front panel user interface The items visible under the password menu are determined by the instrument s...

Страница 134: ... Lock Instrument The Lock Instrument screen is used to lock the instrument s front panel so users can not change any settings from the front panel The lock instrument is shown if the instrument is unlocked and the password set In the Main Menu choose Password Lock Instrument Press to enable instrument lock and returns to main menu PASSWORD MENU SET PASSWORD LOCK INSTRUMENT CHANGE PASSWORD REMOVE P...

Страница 135: ... Password The Remove Password screen is used to erase the current password and disable password protection The remove password is shown if the instrument is unlocked and the password set In the Main Menu choose Password Remove Password Press to remove password and returns to main menu LOCK FRONT PANEL xxxPRESSING ENTER WILLxxxx PREVENT USER FROM CHANGING xCONFIG FROM FRONT PANELxx LOCK AND RETURN ...

Страница 136: ... Instrument is shown if the instrument is locked In the Main Menu choose Password Unlock Instrument Press to disable instrument lock and returns to main menu REMOVE PASSWORD xxxPRESSING ENTER WILLxxxx xREMOVE CURRENT PASSWORDxx xxxAND DISABLE LOCKINGxxxx REMOVE PASSWORD RANGE AVG DIAGS ALARM ENTER THE PASSWORD ASSSSSSSSS ABCDEFGHIJKLMN BKSP OPQRSTUVWXYZ PAGE 0123456789 SAVE RANGE AVG DIAGS ALARM ...

Страница 137: ...owing sections Equipment Required on page 4 1 Instrument Preparation on page 4 3 Calibration Photometer System Preparation on page 4 3 Calibration Procedure on page 4 8 Periodic Zero and Span Checks on page 4 11 Internal Ozonator Adjustment Option on page 4 13 Equipment Required The following equipment is required to calibrate the analyzer Zero air generator Calibration photometer system Zero Air ...

Страница 138: ...o air used to reference the photometer come from the same source as the zero air used in the ozonator This is to effectively cancel impurities present in the zero air source Calibration Photometer System A UV photometer calibration system which includes an ozone generator an output port or manifold a photometer and a source of zero air is required The Thermo Scientific Model 49i Ozone Photometric ...

Страница 139: ...the ozone manifold If a Teflon particulate filter is being used it must be installed prior to calibration Calibration Photometer System Preparation As indicated in the EPA Technical Assistance Document there are several tests that should be performed prior to the use of an ozone UV photometer as a calibrator to ensure the accuracy of the measurements These tests include System check Ozone loss tes...

Страница 140: ...mary Standard is being used make sure it is in the manual mode 1 Calibrate an ozone analyzer using the calibration photometer Assume the photometer is correct 2 Generate a stable level of ozone and with the calibrated ozone analyzer measure and note reading as Rm 3 Unplug the pump of the calibration photometer from the AC power source and plug the exhaust line and zero air inlet line 4 Connect the...

Страница 141: ...0 and make sure they are leak tight 12 Compute percent of ozone loss from the following equation Percent of Ozone Loss If the ozone loss is greater than 2 check that the absorption cells and Teflon tubing have not become contaminated by dirt See Optical Bench Cleaning in the Preventive Maintenance chapter for more information If the cells and Teflon tubing are clean recondition the optical bench b...

Страница 142: ... air with zero air To do this test accurately two calibrated flow meters and a mixing chamber are needed one flow meter to measure the flow into the ozonator and the other to measure the flow of the dilutant zero air The percent of non linearity is calculated as follows where Fo Ozonator flow Fd Dilutant zero air flow E Linearity error in percent A1 Assay of original concentration A2 Assay of dilu...

Страница 143: ...u 4 From the Intensity Check menu select Int B Reference Gas Wait for stable frequency reading note as Io B Press three times to return to the Main Menu 5 From the Main Menu choose Diagnostics From the Diagnostics menu choose Temperatures to get the current bench temperature and Pressure to get the current pressure reading 6 Compute C A and C B from Equation 4 This value should agree with the valu...

Страница 144: ...form intercomparability test 8 After completion of test reconnect ozonator and leak check following the Leak Test and Pump Checkout procedure in the Preventive Maintenance chapter Note If an ozone analyzer is available in addition to the two ozone photometers being checked for intercomparability an easier intercomparability check is to calibrate the ozone analyzer against each photometer individua...

Страница 145: ...required by the calibration photometer analyzer and any other flow demand connected to the manifold Figure 4 2 Model 49i Connected to Calibration Photometer and External Ozonator Zero Adjust Use the following procedure to adjust zero 1 Allow sufficient time for the instrument and the calibration photometer to warm up and stabilize 2 With the zero air supply ON but the ozonator OFF allow the instru...

Страница 146: ...w the instrument to sample this ozone concentration standard until a stable response is obtained 3 From the Main Menu choose Calibration Calibrate Span Use and to increment decrement the known span gas concentration Press to calibrate the instrument The recorder response will equal where URL Upper range limit of the Model 49i ppm Z Recorder response with zero air scale O3 out Ozone concentration a...

Страница 147: ...ion photometer or a malfunction of the analyzer being calibrated The most likely malfunctions in both the analyzer and calibration photometer which can give non linear results are leaks a malfunctioning ozone scrubber a dirty solenoid or dirt in the optical system The calibration curve is used to reduce subsequent ambient data Note To generate data of the highest confidence it is recommended that ...

Страница 148: ...uation where Z Recorder response obtained at the last calibration for zero air scale O3 Generated span concentration ppm A zero drift in excess of 4 of full scale or a span drift in excess of 6 of full scale is an indication of a malfunction either of the zero air supply ozone source recorder or analyzer Since the Model 49i is a ratio instrument and thus does not have an electronic span or zero dr...

Страница 149: ...ion on qualification and certification of an ozone generating transfer standard refer to the EPA Technical Assistance Document on Transfer Standards For more information about the internal ozonator see the Optional Equipment chapter Use the following procedure to adjust the internal ozonator 1 Connect a transfer standard or primary standard to the ozone OUT bulkhead fitting of the instrument see F...

Страница 150: ... return to the Instrument Controls menu 8 From the Instrument Control menu choose O3 Level 2 9 Adjust Level 2 for the desired level typically 90 ppb 10 Allow this value to stabilize 11 Record the value as O3 20 to be used in the following error equation where A20 Recorder response of Model 49i with precision level scale Z Recorder response obtained at the last calibration for zero air scale Note T...

Страница 151: ... and solenoid valves which have a limited life Other operations such as cleaning the optics and checking the calibration of the pressure should be performed on a regular basis This chapter includes the following maintenance information and replacement procedures Safety Precautions on page 5 2 Replacement Parts on page 5 2 Outside Case Cleaning on page 5 2 Optical Bench Cleaning on page 5 2 Lamp Re...

Страница 152: ...cedure to clean the optical bench WARNING If the equipment is operated in a manner not specified by the manufacturer the protection provided by the equipment may be impaired WARNING The Model 49i Primary Standard is supplied with a three wire grounding cord Under no circumstances should this grounding system be defeated Equipment Damage Some internal components can be damaged by small amounts of s...

Страница 153: ...verely contaminated they are best cleaned by removing the windows from the bench The windows on the detector side can be removed by removing the detector block and carefully removing the windows The windows on the source side can be removed by removing the source block to gain access to the windows It is recommended that the Model 49i be recalibrated if the optical bench has been completely disass...

Страница 154: ...g the measured detector frequency dirt in the cells can decompose the ozone and give erroneous readings Therefore the cells should first be cleaned and the frequency re measured Increasing Lamp Output If the frequencies are still low the lamp output can be increased by using the Lamp Setting screen in the Service mode If the frequency cannot be set above 65 kHz replace the lamp 1 Press to display ...

Страница 155: ...bleshooting chapter if the noise is excessive Capillary Service The capillaries normally only require inspection when performance indicates there may be a flow problem Use the following procedure to service the capillaries Figure 5 1 Equipment Required Capillary Wire less than 0 015 inch OD 1 Turn instrument OFF unplug the power cord and remove the cover Equipment Damage Some internal components c...

Страница 156: ...g procedure to rebuild the pump Figure 5 2 To replace the pump see Pump Replacement in the Servicing chapter Equipment Required Flatblade screwdriver Pump rebuild kit flapper valve and diaphragm 1 Turn instrument OFF unplug the power cord and remove the cover 2 Loosen the fittings and remove both lines going to the pump Capillary Capillary Equipment Damage Some internal components can be damaged b...

Страница 157: ... by following the previous steps in reverse make sure the Teflon white side of the diaphragm is facing up and that the flapper valves cover the holes of the top and bottom plate 6 Perform Leak Test and Pump Checkout procedure that follows Leak Test and Pump Checkout Use the following procedures to test for system leaks and checkout the pump External Leaks Use the following procedure to test for le...

Страница 158: ...e Pressure screen The pressure reading should drop to less than 250 mm Hg If the pump diaphragm is in good condition and the capillary is not blocked it should take less than 20 seconds from the time the inlet is plugged to the time the reading below 250 mm Hg is obtained If a leak is suspected carefully tighten each fitting until the leak is found and check to see that none of the input lines are...

Страница 159: ... by a leaky valve Refer to the Solenoid Leak Test procedure that follows to check for a leaky solenoid To check if the imbalance is caused by an absorption cell interchange the cells If the imbalanced side switches the imbalance is caused by the cell Solenoid Leak Test Use the following procedure to test the solenoid valve for leaks 1 Remove the solenoid valve that appears to be faulty 2 Connect t...

Страница 160: ... described previously Ozone Scrubber Test Use the following procedure to determine the efficiency of the ozone scrubber To replace the scrubber refer to the Ozone Scrubber Replacement procedure in the Servicing chapter 1 Generate a source of ozone of about 0 5 ppm and feed into the instrument Note the concentration as C 2 Press to display the Main Menu 3 Press to scroll to Service press to scroll ...

Страница 161: ...scribed previously and the measured efficiency is low replace the ozone scrubber If the balance test indicates a leaky valve and if the efficiency test shows a low efficiency in the same cell that was low in the balance test replace sample solenoid If the efficiency test shows a low efficiency in the opposite cell that was low in the balance test replace the reference solenoid 100 C FREQ1 FREQ2 ln...

Страница 162: ...Preventive Maintenance Ozone Scrubber Test 5 12 Model 49i Instruction Manual Thermo Fisher Scientific ...

Страница 163: ...ons that are useful when making adjustments or diagnosing problems The Technical Support Department at Thermo Fisher Scientific can also be consulted in the event of problems See Service Locations at the end of this chapter for contact information In any correspondence with the factory please note both the serial number and program number of the instrument This chapter provides the following troub...

Страница 164: ...ck instrument fuses using a voltmeter Power supply Check power supply voltages Cell A or B frequency high Light adjustment Readjust Lamp Setting From the Service Mode menu choose Lamp Setting Defective detector Interchange detectors at Measurement Interface Board connectors to determine if detector is defective Cell A and B frequency high Lamp supply Check for 1 7 volt peak to peak waveform at lam...

Страница 165: ...e Check for 1 7 volt peak to peak waveform at lamp current check point on Lamp Power Supply Board 15 volt power supply Check 15 volts From the Diagnostics menu choose Voltages Pressure transducer does not hold calibration Pressure transducer Replace pressure transducer Output signal noisy Recorder Replace or repair recorder Sample is varying Run instrument on stable ozone source If quiet no malfun...

Страница 166: ...lamp assembly Alarm Lamp Temp Defective lamp heater Replace bench lamp driver board or lamp assembly Alarm Bench Temp Faulty fan Replace fan if not operating properly Dirty fan filter Clean or replace foam filter refer to Preventive Maintenance chapter in this manual Alarm Pressure High pressure indication Check the pump for a tear in the diaphragm replace with pump repair kit if necessary Refer t...

Страница 167: ...ut of calibration Recalibrate instrument Check gas supply Perform manual calibration Alarm Oz Level 1 Check Opt Oz Level 2 Check Opt Oz Level 3 Check Opt Oz Level 4 Check Opt Oz Level 5 Check Opt Alarm O3 Conc Concentration has exceeded range limit Check to insure range corresponds with expected value If not select proper range Concentration low Check user defined low set point set to zero Alarm M...

Страница 168: ...nics 2 Pin J3 DIGITAL OUTPUTS 24V D C P O W E RSU P P LY MO THE RBO AR D D IG ITALO U TP U T BO AR D I OE XP ANSIO N BO AR D J14 J3 F R O NT P ANE L BO AR D J1 LCD DISPLAY KEY PANEL J18 J2 J4 J3 J1 J10 J17 PJ1 PJ3 PJ2 FRONT PANEL POWER SW 14 Pin 3 Pin 8 Pin 34 Pin 3 Pin 2 Pin 3 Pin 3 Pin 3 Pin J1 3 Pin J4 3 Pin 8 Pin 11 Pin 2 Pin EXPANSION RS485 ANALOG OUTPUTS DIGITAL INPUTS P1 A P1 B RS232 RS485 ...

Страница 169: ... J5 6 Pin J2 J1 2 Pin J3 OZONATOR POWER SUPPLY 8 Pin J6 6 Pin J2 J1 2 Pin J3 PHOTOMETER POWER SUPPLY 8 Pin J8 FLOW B 5 Pin J10 4 Pin CH B DETECTOR J3 J9 CH A DETECTOR 4 Pin J16 OZ SOL J11 J15 J14 J13 ZERO SPAN SOL BENCH TEMP THERM 2 Pin SAMPLE SOL 2 Pin REF SOL J17 2 Pin 2 Pin 2 Pin 2 Pin FAN J7 J12 FLOW A 5 Pin PRESSURE 4 Pin J2 PUMP AC AC 3 Pin J1 J4 49i MEASUREMENT INTERFACE BOARD LAMP LAMP HEA...

Страница 170: ...riptions Connector Label Reference Designator Pin Signal Description INTF DATA J1 1 Ground 2 RS485 to Interface Board 3 RS485 to Interface Board 10 BASE T J2 1 Ethernet Output 2 Ethernet Output 3 Ethernet Input 4 NC 5 NC 6 Ethernet Input 7 NC 8 NC EXPANSION BD J3 1 5V 2 24V 3 24V 4 Ground 5 Ground 6 Ground 7 RS485 to Expansion Board 8 RS485 to Expansion Board SPARE DATA J4 1 5V 2 24V 3 24V 4 Groun...

Страница 171: ...put 3 16 Ground 17 Analog Voltage Output 5 18 Ground 19 Ground 20 Power Fail Relay COM 21 Power Fail Relay N O Contact 22 Ground 23 TTL Input 3 24 TTL Input 4 25 TTL Input 6 26 Ground 27 TTL Input 9 28 TTL Input 11 29 TTL Input 12 30 TTL Input 14 31 TTL Input 16 32 Ground 33 Analog Voltage Output 2 34 Analog Voltage Output 4 35 Ground 36 Analog Voltage Output 6 Table 6 3 Motherboard Connector Pin ...

Страница 172: ...4V 4 Ground 5 Ground 6 Ground 7 SPI Reset 8 SPI Input 9 SPI Output 10 SPI Board Select 11 SPI Clock EXT RS485 J15 1 RS485 to Rear Panel 2 RS485 to Rear Panel 3 5V 4 5V 5 5V 6 Ground 7 Ground 8 Ground 9 NC 10 NC 11 24V 12 24V 13 24V 14 24V 15 24V 24V MONITOR J17 1 24V Power Monitor 2 Ground Table 6 3 Motherboard Connector Pin Descriptions continued Connector Label Reference Designator Pin Signal De...

Страница 173: ... 12 LD6 LCD Signal 13 LD2 LCD Signal 14 LD7 LCD Signal 15 LD3 LCD Signal 16 LCD Bias Voltage 17 5V 18 Ground 19 Ground 20 LCD_ONOFF LCD Signal 21 Keypad Row 2 Input 22 Keypad Row 1 Input 23 Keypad Row 4 Input 24 Keypad Row 3 Input 25 Keypad Col 2 Select 26 Keypad Col 1 Select 27 Keypad Col 4 Select 28 Keypad Col 3 Select 29 Ground 30 Ground 31 Ground 32 Ground Table 6 3 Motherboard Connector Pin D...

Страница 174: ...8 Serial Port 1 CTS RS485 IN 9 NC RS232 RS485 B P1 B 1 NC 2 Serial Port 2 RX RS485 IN 3 Serial Port 2 TX RS485 OUT 4 NC 5 Ground 6 NC 7 Serial Port 2 RTS RS485 OUT 8 Serial Port 2 CTS RS485 IN 9 NC AC IN PJ1 1 AC HOT 2 AC NEUT 3 AC Ground AC 24VPWR PJ2 1 AC HOT 2 AC NEUT 3 AC Ground AC INTF BD PJ3 1 AC HOT 2 AC NEUT 3 AC Ground Table 6 3 Motherboard Connector Pin Descriptions continued Connector L...

Страница 175: ...ound 5 Ground 6 LLP LCD Signal 7 LFLM LCD Signal 8 LD4 LCD Signal 9 LD0 LCD Signal 10 LD5 LCD Signal 11 LD1 LCD Signal 12 LD6 LCD Signal 13 LD2 LCD Signal 14 LD7 LCD Signal 15 LD3 LCD Signal 16 LCD Bias Voltage 17 5V 18 Ground 19 Ground 20 LCD_ONOFF LCD Signal 21 Keypad Row 2 Input 22 Keypad Row 1 Input 23 Keypad Row 4 Input 24 Keypad Row 3 Input 25 Keypad Col 2 Select 26 Keypad Col 1 Select 27 Ke...

Страница 176: ...5V LCD Signal 7 NC 8 LLP_5V LCD Signal 9 LCLK_5V LCD Signal 10 5V 11 Ground 12 25V 13 LCD Bias Voltage 14 Ground KEYBOARD J3 1 Keypad Row 1 Input 2 Keypad Row 2 Input 3 Keypad Row 3 Input 4 Keypad Row 4 Input 5 Keypad Col 1 Select 6 Keypad Col 2 Select 7 Keypad Col 3 Select 8 Keypad Col 4 Select LCD BACKLIGHT J4 1 5V 2 NC 3 Ground Table 6 4 Front Panel Board Connector Pin Diagram continued Connect...

Страница 177: ...tage Input 3 4 Ground 5 Analog Voltage Input 4 6 Analog Voltage Input 5 7 Analog Voltage Input 6 8 Ground 9 Analog Voltage Input 7 10 Analog Voltage Input 8 11 Ground 12 NC 13 Current Output Return 14 Ground 15 Current Output 1 16 Current Output Return 17 Current Output 2 18 Current Output Return 19 Current Output 3 20 Current Output Return 21 Current Output 4 22 Current Output Return 23 Current O...

Страница 178: ...round 7 SPI Reset 8 SPI Input 9 SPI Output 10 SPI Board Select 11 SPI Clock DIGITAL OUTPUTS J2 1 Relay 1 Contact a 2 Relay 2 Contact a 3 Relay 3 Contact a 4 Relay 4 Contact a 5 Relay 5 Contact a 6 Relay 6 Contact a 7 Relay 7 Contact a 8 Relay 8 Contact a 9 Relay 9 Contact a 10 Relay 10 Contact a 11 NC 12 Solenoid Drive Output 1 13 Solenoid Drive Output 2 14 Solenoid Drive Output 3 Table 6 5 I O Ex...

Страница 179: ... 6 Contact b 26 Relay 7 Contact b 27 Relay 8 Contact b 28 Relay 9 Contact b 29 Relay 10 Contact b 30 24V 31 24V 32 24V 33 24V 34 24V 35 24V 36 24V 37 24V Table 6 7 Measurement Interface Board Connector Pin Descriptions Connector Label Reference Designator Pin Signal Description PHOTOMETER J6 1 Photometer Lamp Intensity Control Voltage Output 2 Photometer Lamp Intensity Control Voltage Input 3 Phot...

Страница 180: ... J8 1 Sample Flow B Sensor Input 2 Ground 3 15V 4 15V 5 Ground OZONATOR J5 1 Ozonator Lamp Intensity Control Voltage Output 2 Ozonator Lamp Intensity Control Voltage Input 3 Ozonator Heater Thermistor 4 24V 5 Ground 6 Ozonator Lamp On off Control 7 Ground 8 Ground CHA J9 1 15V 2 15V 3 Ground 4 Measurement Frequency A CHB J10 1 15V 2 15V Table 6 7 Measurement Interface Board Connector Pin Descripti...

Страница 181: ...24V 2 Ground AC PUMP J2 1 AC HOT 2 AC NEUT Switched 3 AC Ground Z S SOL J13 1 24V 2 Zero Span Solenoid Control SAMPLE SOL J14 1 24V 2 Sample Solenoid Control REF J13 1 24V 2 Reference Solenoid Control OZ SOL J16 1 24V 2 Ozone Solenoid Control Table 6 8 Ozonator Power Supply Connector Pin Descriptions Connector Label Reference Designator Pin Signal Description LAMP J1 1 Ozonator Lamp Voltage Out Ta...

Страница 182: ...6 Ozonator Lamp On off Control 7 Ground 8 Ground Table 6 9 Photometer Power Supply Connector Pin Descriptions Connector Label Reference Designator Pin Signal Description LAMP J1 1 Photometer Lamp Voltage Out 2 Photometer Lamp Voltage Return LAMP HEATER J2 1 Ground 2 Photometer Lamp Thermistor 1 3 Photometer Lamp Heater Control 4 Ground 5 24V Heater Current Sense 6 Photometer Lamp Thermistor 2 INTF...

Страница 183: ... one of the phone numbers below for product support and technical information or visit us on the web at www thermo com aqi 1 866 282 0430 Toll Free 1 508 520 0430 International 3 Photometer Heater Thermistor 4 24V 5 Ground 6 Photometer Lamp On off Control 7 Ground 8 Ground Table 6 9 Photometer Power Supply Connector Pin Descriptions continued Connector Label Reference Designator Pin Signal Descrip...

Страница 184: ...Troubleshooting Service Locations 6 22 Model 49i Instruction Manual Thermo Fisher Scientific ...

Страница 185: ...g adjustments or diagnosing problems For additional service assistance see Service Locations at the end of this chapter This chapter includes the following parts information testing adjustment and calibration procedures and component replacement procedures Safety Precautions on page 7 3 Firmware Updates on page 7 4 Replacement Parts List on page 7 4 Cable List on page 7 6 External Device Connectio...

Страница 186: ...ration on page 7 26 Photometer Lamp Replacement on page 7 27 Photometer Lamp Voltage Adjustment on page 7 28 Photometer Board Replacement on page 7 29 Detector Replacement on page 7 30 Ozone Scrubber Replacement on page 7 31 Sample Reference Solenoid Replacement on page 7 32 Zero Span Solenoid Replacement Optional on page 7 33 Pressure Transducer Replacement on page 7 33 Pressure Transducer Calibr...

Страница 187: ...y grounded antistatic wrist strap must be worn while handling any internal component Figure 7 1 If an antistatic wrist strap is not available be sure to touch a grounded metal object before touching any internal components When the instrument is unplugged the chassis is not at earth ground Handle all printed circuit boards by the edges Do not remove the LCD panel or frame from the LCD module The L...

Страница 188: ... the Main Menu use the following procedure to display it a At the Main Menu press to scroll to Instrument Controls press to scroll to Service Mode and press The Service Mode screen appears b Press to toggle the Service Mode to ON c Press to return to the Main Menu d Return to the procedure Replacement Parts List Table 7 1 lists the replacement parts for the Model 49i major subassemblies Refer to F...

Страница 189: ... Reference Solenoid Valve 102455 00 Air Regulator Assembly Optional 102439 00 Optical Bench Assembly 8592 Detector Assembly 102472 00 Lamp Heater Assembly 8540 Photometer Lamp 100554 00 Photometer Board 101426 00 Pump 110VAC w Plate and Fittings 102464 01 Pump Zero Air Supply 110V Optional 102464 02 Pump Zero Air Supply 220V Optional 101055 00 AC Receptacle Assembly 100907 00 Fan 24VDC 8630 Fan Fi...

Страница 190: ...t Panel Board 101035 00 DC Power Supply AC Input 101033 00 AC from Receptacle 101377 00 AC to Power Switch 101055 00 Main AC Receptacle Assembly 101706 00 Measurement Interface Board to Photometer Board 102446 00 Measurement Interface Board to Ozonator Board 101267 00 Fan Power Cable Table 7 3 External Device Connection Components Part Number Description 102562 00 Terminal Block and Cable Kit DB25...

Страница 191: ...mbly Lamp Heater Assembly Photometer Lamp Pump Flow Transducer A Flow Transducer B Detector Assembly B Detector Assembly A Pressure Transducer Optical Bench Fan Sample Valve Ozone Scrubber Power Supply I O Expansion Board Optional Digital Output Board Motherboard Reference Valve Ozonator Measurement Interface Board Ozonator Board Photometer Board ...

Страница 192: ...anel see Figure 7 3 Figure 7 3 Removing the Measurement Bench and Lowering the Partition Panel Equipment Required Philips screwdriver 1 Turn instrument OFF and unplug the power cord 2 If the instrument is mounted in a rack remove it from the rack Pass Through Connectors Partition Panel Loosen Captive Screw Remove Screw Remove Screws Remove Screw REMOVE SCREWS SLIDE BENCH OUT LOWER PANEL Remove Hid...

Страница 193: ... the case securely loosen the captive screw at the rear of the measurement bench and pull the measurement bench from the rear of the case 10 Remove the screw at the top rear of the partition panel securing the top of partition panel to the measurement bench and lower the panel being careful not to put excessive tension on the cables 11 Replace the measurement bench by following the previous steps ...

Страница 194: ...ipment Required 110V pump Philips screwdriver 1 Turn instrument OFF unplug the power cord and remove the cover 2 Disconnect pump power line from AC PUMP connector on the measurement interface board Figure 7 4 Replacing the Pump 3 Remove both lines from pump Equipment Damage Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap mus...

Страница 195: ...place the fan Figure 7 5 Equipment Required Fan Philips screwdriver 1 Turn instrument OFF unplug the power cord and remove the cover 2 Remove the fan guard from the fan and remove the filter 3 Pull the power connector off the fan 4 Remove the four fan mounting screws and remove the fan Equipment Damage Some internal components can be damaged by small amounts of static electricity A properly ground...

Страница 196: ...e meter reading with the output value displayed on the Test Analog Outputs screen Equipment Required Multimeter Use the following procedure to test the analog outputs 1 Connect a meter to the channel to be tested Figure 7 6 shows the analog output pins and Table 7 4 identifies the associated channels 2 From the Main Menu press to scroll to Diagnostics press to scroll to Test Analog Outputs and pre...

Страница 197: ...r to the Analog Output Calibration procedure that follows 6 Press to set the output to full scale The Output Set To line displays Full Scale 7 Check that the meter is displaying the full scale value If the meter reading differs by more than one percent the analog outputs should be adjusted Refer to the Analog Output Calibration procedure that follows 8 Press to reset the analog outputs to normal F...

Страница 198: ...ltimeter 1 Connect a meter to the channel to be adjusted and set to voltage or current as appropriate Figure 7 6 shows the analog output pins and Table 7 4 identifies the associated channels Table 7 4 Analog Output Channels and Rear Panel Pin Connections Voltage Channel Pin Current Channel Pin 1 14 1 15 2 33 2 17 3 15 3 19 4 34 4 21 5 17 5 23 6 36 6 25 Ground 16 18 19 35 37 Current Output Return 1...

Страница 199: ...e displays Zero Note When calibrating the analog output always calibrate zero first and then calibrate full scale 5 Use until the meter reads the value shown in the Set Output To line then press to save the value 6 Press to return to the previous screen 7 Press to select Calibrate Full Scale 8 Use until the meter reads the value shown in the Set Output To line then press to save the value Analog I...

Страница 200: ...channel input pins and press to calibrate the input voltage on the selected channel to zero volts The screen displays 0 00 V as the voltage setting 5 Press to return to the Analog Input Cal screen and repeat Steps 2 through 4 to calibrate other input channels to zero as necessary 6 Continue with the Calibrating the Input Channels to Full Scale procedure that follows Calibrating the Input Channels ...

Страница 201: ... voltage 6 Press to return to the input channels display and repeat Steps 3 5 to calibrate other input channels to the source voltage as necessary I O Expansion Board Replacement Optional Use the following procedure to replace the optional I O expansion board Figure 7 7 Note After replacing the optional I O expansion board calibrate the current outputs and the analog voltage inputs See the Analog ...

Страница 202: ...pansion board connector to the rear panel Figure 7 8 4 Pop off the board from the mounting studs and remove the board 5 To install the I O expansion board follow previous steps in reverse 6 Calibrate the analog current outputs and the analog voltage inputs as described earlier in this chapter Figure 7 7 Replacing the I O Expansion Board Optional I O Expansion Board Opt Digital Output Board Motherb...

Страница 203: ...16 inch 1 Turn instrument OFF unplug the power cord and remove the cover 2 Remove the I O expansion board optional if used See the I O Expansion Board Replacement procedure in this chapter 3 Disconnect the digital output board ribbon cable from the motherboard Motherboard Digital Output Board I O Expansion Board Equipment Damage Some internal components can be damaged by small amounts of static el...

Страница 204: ...er Nut driver 3 16 inch 1 Turn instrument OFF unplug the power cord and remove the cover 2 Remove the I O expansion board optional if used See the I O Expansion Board Replacement procedure in this chapter 3 Remove the digital output board See the Digital Output Board Replacement procedure in this chapter 4 Unplug all connectors from the motherboard Note connector locations to facilitate reconnecti...

Страница 205: ...to replace the measurement interface board Figure 7 9 Equipment Required Measurement interface board Philips screwdriver 1 Refer to Removing the Measurement Bench and Lowering the Partition Panel in this chapter to lower the partition panel then proceed to the next step below 2 Unplug all connectors Note the locations of the connectors to facilitate reconnection 3 Remove the two retaining screws f...

Страница 206: ... and Lowering the Partition Panel in this chapter 7 Calibrate the pressure transducer flow transducers and bench temperature sensor as described earlier in this chapter Front Panel Board Replacement Use the following procedure to replace the front panel board Figure 7 10 Equipment Required Front panel board 1 Turn instrument OFF unplug the power cord and remove the cover Photometer Board Ozonator ...

Страница 207: ...ollowing previous steps in reverse Figure 7 10 Replacing the Front Panel Board and the LCD Module LCD Module Replacement Use the following procedure to replace the LCD module Figure 7 10 Equipment Required LCD module Philips screwdriver Ribbon Cables 3 Two Wire Connector Mounting Studs 2 Bottom Support LCD Module Screws Front Panel Board LCD Module CAUTION If the LCD panel breaks do not to let the...

Страница 208: ...ptical bench Figure 7 11 Equipment required Optical bench Equipment Damage Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must be worn while handling any internal component Do not remove the panel or frame from the LCD module The LCD polarizing plate is very fragile handle it carefully Do not wipe the LCD polarizing plate w...

Страница 209: ... optical bench to the floor plate Figure 7 11 and remove the bench by first moving the photometer slightly towards the rear through the lamp access hole and then lifting up and towards the front Figure 7 11 Replacing the Optical Bench Equipment Damage Some internal components can be damaged by small amounts of static electricity A properly grounded antistatic wrist strap must be worn while handlin...

Страница 210: ... 25 C an alternate procedure is to connect an accurately known 10K resistor to the thermistor input TEMP on the measurement interface board and enter the temperature reading A 1 C change corresponds to a 5 change in resistance thus this alternative procedure can be quite accurate as a check however it clearly is not NIST traceable 3 From the Main Menu press to scroll to Service press to scroll to ...

Страница 211: ...ollowing procedure to replace the photometer lamp Figure 7 11 Equipment required Photometer lamp Allen wrench 7 64 inch and 3 32 inch Philips screwdriver Use the following procedure to replace the photometer lamp 1 Turn instrument OFF unplug the power cord and remove the cover 2 Disconnect the photometer lamp cable from the LAMP connector on the photometer board 3 Remove the two screws from the ph...

Страница 212: ...on the clamp 9 Plug the new photometer lamp cable into the LAMP connector on the photometer board 10 Slide the insulation back on the end of the lamp 11 Replace access hole cover and secure with the two retaining screws 12 Re install the instrument cover 13 Reconnect power and turn instrument ON 14 After lamp has stabilized approximately 15 minutes refer to the Photometer Lamp Voltage Adjustment p...

Страница 213: ...ress to save the setting Photometer Board Replacement Use the following procedure to replace the photometer board Figure 7 9 Equipment required Photometer board Philips screwdriver Use the following procedure to replace the photometer board 1 Turn instrument OFF unplug the power cord and remove the cover 2 Remove the cables from the board Note the locations to facilitate reconnection 3 Remove the ...

Страница 214: ...r cord and remove the cover 2 Disconnect the detector electrical connections CHA and CHB from the measurement interface board 3 Loosen the two screws securing the detector clamping block to the optical bench and remove the clamping block and detectors Figure 7 12 Figure 7 12 Replacing the Detectors Equipment Damage Some internal components can be damaged by small amounts of static electricity A pr...

Страница 215: ...edure to replace the ozone scrubber 1 Turn instrument OFF unplug the power cord and remove the cover 2 Loosen fittings on each end of the scrubber and remove the tubing 3 Remove the scrubber from the spring clip 4 Replace scrubber by following the previous procedure in reverse Make sure that the tube ends have passed through the ferrule of the fitting and that the fittings are tight 5 Re install t...

Страница 216: ...on cables from the measurement interface board 3 Remove the plumbing from the solenoids 4 Loosen the four captive screws and lift out the solenoids and the solenoid plate 5 Remove the solenoid retaining nuts from the underside of the faulty solenoid and remove the solenoid 6 Replace the new solenoid by following the previous steps in reverse making sure that all connections are tight 7 Perform a l...

Страница 217: ... solenoid from bracket by removing two nuts holding solenoid to bracket 5 Install new solenoid by following the above procedure in reverse 6 Perform a leak test Pressure Transducer Replacement Use the following procedure to replace the pressure transducer Equipment Required Pressure transducer assembly Philips screwdriver Equipment Damage Some internal components can be damaged by small amounts of...

Страница 218: ...new pressure transducer assembly by following the previous steps in reverse 6 Calibrate the pressure transducer Refer to the Pressure Transducer Calibration procedure that follows Pressure Transducer Calibration Use the following procedure to calibrate the pressure transducer Equipment Required Vacuum pump WARNING The service procedures in this manual are restricted to qualified service representa...

Страница 219: ...ubtracting 0 027 mm Hg per foot of altitude Do not try to calibrate the pressure transducer unless the pressure is known accurately 1 Remove the cover 2 Disconnect the tubing from the pressure transducer and connect a vacuum pump known to produce a vacuum less than 1 mm Hg 3 From the Main Menu press to scroll to Service press to scroll to Pressure Calibration and press The Pressure Sensor Cal scre...

Страница 220: ...sducer Replacement Use the following procedure to replace the flow transducer Equipment Required Flow transducer Philips screwdriver Wrench 5 16 inch 1 Turn instrument OFF unplug the power cord and remove the cover 2 Disconnect plumbing from the flow transducer 3 Disconnect the flow transducer cable FLOW A or FLOW B from the measurement interface board 4 Loosen the retaining nuts 2 and remove the ...

Страница 221: ... press to scroll to Flow A Calibration or Flow B Calibration and press Depending on your selection the Flow A Sensor Cal or Flow B Sensor Cal screen appears For this procedure Flow A Sensor Cal is used Note If Service is not displayed refer to Accessing the Service Mode on page 7 4 then return to the beginning of this step WARNING The service procedures in this manual are restricted to qualified s...

Страница 222: ...n the rear panel 8 Press to return to the Flow A Sensor Cal screen 9 At the Flow A Sensor Cal screen press to select Span The Calibrate Flow A Span screen appears 10 Wait at least 10 seconds for the reading to stabilize use and to enter the flow sensor reading and press to save the value 11 Install the cover Ozonator Lamp Replacement Optional Use the following procedure to replace the ozonator lam...

Страница 223: ...ndle onto the lamp cord 4 Loosen both lamp clamp screws 5 Carefully slide lamp out of ozonator housing 6 Slide insulation off of old lamp and slide onto new lamp cord 7 Carefully insert new lamp into ozonator housing until it bottoms Pull lamp out approximately 1 16 inch to allow for expansion when the lamp warms up and tighten the Allen screws on the clamp 8 Slide the lamp insulation against the ...

Страница 224: ...sconnect plumbing from the ozonator 4 Remove the ozonator by removing the two screws securing the ozonator to the floor plate and lifting the ozonator straight up 5 Remove the ozonator flange by removing three screws securing the bottom flange and pulling the flange off 6 Remove the ozonator lamp heater block from the ozonator by removing four Allen screws 7 Coat new lamp heater block with thin fi...

Страница 225: ...ng the ozonator to the floor plate and lifting the ozonator straight up 5 Install new ozonator by following the above procedure in reverse 6 Re install the instrument cover Ozonator Board Replacement Optional Use the following procedure to replace the ozonator board Figure 7 13 Equipment Required Ozonator board Philips screwdriver Equipment Damage Some internal components can be damaged by small a...

Страница 226: ... the board 4 Pop off the board from the bottom mounting studs and remove the board 5 To install the new ozonator board follow previous steps in reverse Service Locations For additional assistance service is available from exclusive distributors worldwide Contact one of the phone numbers below for product support and technical information or visit us on the web at www thermo com aqi 1 866 282 0430 ...

Страница 227: ... page 8 3 provides an overview of the software organization and detailed information on the software tasks Electronics on page 8 5 describes the system boards assemblies and connectors I O Components on page 8 8 describes the input and output communication functions and components Hardware The Model 49i components include Figure 8 1 Optical bench with photometer lamp Detector system Flow transduce...

Страница 228: ...terface board for sample measurement computations Flow Transducers Flow transducers monitor the flow of the sample and reference gases and transmit the data to the measurement interface board Pressure Transducer The pressure transducer measures the pressure of the sample gas Solenoid Assembly Lamp Heater Assembly Photometer Lamp Pump Flow Transducer A Flow Transducer B Detector Assembly A Detector...

Страница 229: ...cuits for the photometer lamp Optical Bench Temperature Thermistor The optical bench temperature thermistor is used for maintaining the optical bench at a constant temperature Pump The pump draws the zero air through the optical bench Note Total flows of less than 1 LPM 2 scfh should be avoided since the flush time would be excessive Total flows of greater than 3 LPM should also be avoided since t...

Страница 230: ...cessors once per second to exchange the measurement and control data Monitoring Signals The instrument includes a sample solenoid valve and a reference solenoid valve The instrument can be configured to measure O3 every ten seconds standard cycle or every four seconds fast cycle Every cycle the two solenoid valves switch the sample gas and reference gas streams between the two cells One cell conta...

Страница 231: ...working over the entire operating range Internal pumps and heaters all operate on 110VAC An optional transformer is required if operating on the 210 250VAC or 90 110VAC ranges An on off switch controls all power to the instrument and is accessible on the front panel Motherboard The motherboard contains the main processor power supplies a sub processor and serves as the communication hub for the in...

Страница 232: ...connection area for all measurement electronics in the instrument It contains power supplies and interface circuitry for sensors and control devices in the measurement system It sends status data to the motherboard and receives control signals from the motherboard Measurement Interface Board Connectors Connectors located on the measurement interface board include Data communication with the mother...

Страница 233: ...e lamp is heated to a specific temperature to ensure reliable operation The oscillator circuit that drives the high voltage output is inhibited until this operating temperature is reached A power transistor is used to heat the lamp housing Thermistors sense the housing temperature for heater control and for status information Photometer Lamp Power Supply The photometer lamp power supply is similar...

Страница 234: ...back to the motherboard This board also includes signal buffers for the graphics display control signals and a high voltage power supply for the graphics display backlight I O Components External I O is driven from a generic bus that is capable of controlling the following devices Analog output voltage and current Analog input voltage Digital output TTL levels Digital input TTL levels Note The ins...

Страница 235: ...turn line Isolated GND Analog Voltage Inputs Optional The optional I O expansion board includes eight analog voltage inputs These inputs are used to gather measurement data from third party devices such as meteorological equipment The user may assign a label unit and a voltage to user defined unit conversion table up to 16 points All voltage inputs have a resolution of 12 bits over the range of 0 ...

Страница 236: ...irmware Serial Ports Two serial ports allow daisy chaining so that multiple analyzers may be linked using one PC serial port The standard bi directional serial interface can be configured for either RS 232 or RS 485 The serial baud rate is user selectable in firmware for standard speeds from 1200 to 19 200 baud The user can also set the data bits parity and stop bits The following protocols are su...

Страница 237: ...or is male a null modem cable is required Data Format 1200 2400 4800 9600 19200 38400 57600 or 115200 BAUD 8 data bits 1 stop bit no parity All responses are terminated with a carriage return hex 0D Refer to Table 8 1 for the DB9 connector pin configuration RS 485 Connection The instrument uses a four wire RS 485 configuration with automatic flow control SD Refer to Table 8 2 for the DB9 connector...

Страница 238: ...ress may be configured for static addressing or dynamic addressing set using a DHCP server Any serial port protocols may be accessed over Ethernet in addition to the serial port External Accessory Connector The external accessory connector is not used in the Model 49i analyzer This port is used in other models to communicate with smart external devices that may be mounted hundreds of feet from the...

Страница 239: ...l Sample Calibration option the sample to be measured is attached to the SAMPLE port and the zero or span gas is attached to the CALIBRATION port Ozonator The internal ozone generator provides easy determination of zero precision and Level 1 span checks The ozone level produced is a function of light intensity at 185 nm and gas flow The light intensity is varied by changing the current into the la...

Страница 240: ...devices to the instrument These kits break out the signals on the rear panel connector to individual numbered terminals Two types of terminal block and cable kits are available One kit is for the DB37 connectors and can be used for either the analog output connector or the relay output connector The other kit is for the DB25 connector and can be used for the optional I O expansion board For associ...

Страница 241: ...olor Codes for 25 Pin and 37 Pin Cables Pin Color Pin Color 1 BLACK 20 RED BLACK 2 BROWN 21 ORANGE BLACK 3 RED 22 YELLOW BLACK 4 ORANGE 23 GREEN BLACK 5 YELLOW 24 GRAY BLACK 6 GREEN 25 PINK BLACK 7 BLUE End color codes for 25 pin cables continue for 37 pin cables 8 VIOLET 26 PINK GREEN 9 GRAY 27 PINK RED 10 WHITE 28 PINK VIOLET 11 PINK 29 LIGHT BLUE 12 LIGHT GREEN 30 LIGHT BLUE BROWN 13 BLACK WHIT...

Страница 242: ...rt numbers refer to External Device Connection Components in the Servicing chapter Mounting Options The analyzer can be installed in the configurations described in Table 9 3 and shown in Figure 9 1 through Figure 9 4 Table 9 3 Mounting Options Mounting Type Description Bench Positioned on bench includes mounting feet and front panel side trim ears EIA rack Mounted in an EIA style rack includes mo...

Страница 243: ...Optional Equipment Mounting Options Thermo Fisher Scientific Model 49i Instruction Manual 9 5 Figure 9 1 Rack Mount Option Assembly ...

Страница 244: ...Optional Equipment Mounting Options 9 6 Model 49i Instruction Manual Thermo Fisher Scientific Figure 9 2 Bench Mounting ...

Страница 245: ...Optional Equipment Mounting Options Thermo Fisher Scientific Model 49i Instruction Manual 9 7 Figure 9 3 EIA Rack Mounting ...

Страница 246: ...Optional Equipment Mounting Options 9 8 Model 49i Instruction Manual Thermo Fisher Scientific Figure 9 4 Retrofit Rack Mounting ...

Страница 247: ...h may include biohazard decontamination procedures and other product specific handling instructions and c then if applicable Buyer may return the defective Products to Seller with all costs prepaid by Buyer Replacement parts may be new or refurbished at the election of Seller All replaced parts shall become the property of Seller Shipment to Buyer of repaired or replacement Products shall be made ...

Страница 248: ...ing time and materials rates ANY INSTALLATION MAINTENANCE REPAIR SERVICE RELOCATION OR ALTERATION TO OR OF OR OTHER TAMPERING WITH THE PRODUCTS PERFORMED BY ANY PERSON OR ENTITY OTHER THAN SELLER WITHOUT SELLER S PRIOR WRITTEN APPROVAL OR ANY USE OF REPLACEMENT PARTS NOT SUPPLIED BY SELLER SHALL IMMEDIATELY VOID AND CANCEL ALL WARRANTIES WITH RESPECT TO THE AFFECTED PRODUCTS THE OBLIGATIONS CREATE...

Страница 249: ...ge B 8 describes and gives examples of the measurement commands Alarms on page B 11 describes and gives examples of the alarm commands Diagnostics on page B 16 describes and gives examples of the diagnostic commands Datalogging on page B 17 describes and gives examples of the datalogging commands Calibration on page B 24 describes and gives examples of the calibration commands Keys Display on page...

Страница 250: ... commands always enter the concentration values in ppb or μg m3 units For example to set a background value to 20 ppm enter 20000 ppb as the value for the set background command Accessing Streaming Data Streaming data is sent out the serial port or the Ethernet port on a user defined periodic basis Streaming data over Ethernet is only generated when a connection is made on TCP port 9881 Commands T...

Страница 251: ... address B 36 alarm bench lamp temp max Reports the bench lamp temperature alarm maximum value current setting B 11 alarm bench lamp temp min Reports the bench lamp temperature alarm minimum value current setting B 11 alarm bench temp max Reports the bench lamp temperature alarm maximum value current setting B 12 alarm bench temp min Reports the bench temperature alarm minimum value current settin...

Страница 252: ...nt setting B 15 alarm sample flow a min Reports the sample flow a alarm minimum value current setting B 15 alarm sample flow b max Reports the sample flow b alarm maximum value current setting B 15 alarm sample flow b min Reports the sample flow b alarm minimum value current setting B 15 alarm trig conc o3 Reports the current setting of the concentration O3 alarm trigger action minimum alarm B 15 ...

Страница 253: ...ge level for I O expansion board B 16 diag volt mb Reports diagnostic voltage level for motherboard B 16 diag volt mib Reports diagnostic voltage level for measurement interface board B 16 dig in Reports status of the digital inputs B 41 din Reports sets digital input channel and active state B 41 do down Simulates pressing down pushbutton B 26 dout Reports sets digital output channel and active s...

Страница 254: ...zonator lamp drive B 33 l3 Reports the current custom level 3 setting of ozonator lamp drive B 33 l4 Reports the current custom level 4 setting of ozonator lamp drive B 33 l5 Reports the current custom level 5 setting of ozonator lamp drive B 33 lamp Reports sets the current photometer lamp setting B 31 lamp setting Reports sets the photometer lamp setting B 31 lamp temp Reports the current bench ...

Страница 255: ...ng record logging period B 21 malloc lrec Reports sets memory allocation for long records B 21 malloc srec Reports sets memory allocation for short records B 21 me menu Simulates pressing menu pushbutton B 26 mode Reports operating mode in local service or remote B 39 no of lrec Reports sets number of long records stored in memory B 21 no of srec Reports sets number of short records stored in memo...

Страница 256: ...a generic response Use iscreen instead B 28 sp conc Reports sets the span concentration for autocalibration B 26 sp field Reports sets item number and name in scratch pad list B 22 span Sets zero span valves to span mode B 31 sr Reports last short record stored B 18 srec Reports maximum number of short records B 18 srec format Reports sets output format for short records ASCII or binary B 20 srec ...

Страница 257: ...e actual temperature being measured If temperature compensation is ON then both temperature readings are the same If temperature compensation is OFF a temperature of 0 C is used as the default temperature even though the actual bench temperature is 32 3 C The example that follows shows that temperature compensation is on and that the bench temperature is 32 3 C Send bench temp Receive bench temp 0...

Страница 258: ...rent bench temperature is 55 2 C Send lamp temp Receive lamp temp 055 2 deg C lamp voltage bench This command reports the bench lamp voltage in volts Send lamp voltage bench Receive lamp voltage bench 10 3 V lamp voltage oz This command reports the ozonator lamp voltage in volts Send lamp voltage oz Receive lamp voltage oz 12 3 V pres This reports the current reaction chamber pressure The first pr...

Страница 259: ...B 1 It is the binary digits that define the status of each parameter In the example that follows the instrument is in local mode the gas mode status is Sample the ozonator is OFF gas units are ppb and there is an intensity B high alarm Send flags Receive flags 00008000 Figure B 1 Flag Status Alarms alarm bench lamp temp min alarm bench lamp temp max These commands report the bench lamp temperature...

Страница 260: ... temperature minimum and maximum value current settings The example that follows reports that the alarm bench temperature minimum value is 15 0 C Send alarm bench temp min Receive alarm bench temp 15 0 set alarm bench temp min value set alarm bench temp max value These commands set the bench temperature minimum and maximum value to value where value is a floating point number representing bench te...

Страница 261: ...t the cell a minimum value is 45000 Hz Send alarm intensity a min Receive alarm intensity a min 45000 Hz set alarm intensity a min value set alarm intensity a max value set alarm intensity b min value set alarm intensity b max value These commands set the cell a or b intensity alarm minimum and maximum value to value where value is a representation of the intensity alarm limits The example that fo...

Страница 262: ...ports that the alarm ozonator lamp temperature minimum value is 52 C Send alarm ozonator lamp temp min Receive alarm ozonator lamp temp 52 0 deg C set alarm oz lamp temp min value set alarm oz lamp temp max value These commands set the ozonator lamp temperature minimum and maximum value to value where value is a floating point number representing bench lamp temperature alarm limits in degrees C Th...

Страница 263: ...set alarm sample flow a min value set alarm sample flow b max value set alarm sample flow a min value set alarm sample flow b max value These commands set the cell a or b sample flow alarm minimum and maximum values to value where value is a floating point number representing sample flow alarm limits in liters per minute The example that follows sets the sample flow alarm maximum value to 1 400 LP...

Страница 264: ...a space Send diag volt mb Receive diag volt mb 24 1 14 9 4 9 3 2 3 2 diag volt mib This command reports the diagnostic voltage measurements on the measurement interface board The sequence of voltages is Positive 24 positive 15 negative 15 positive 5 positive 3 3 and positive 15 Each voltage value is separated by a space Send diag volt mib Receive diag volt mib 24 1 14 9 14 9 4 9 3 2 14 9 diag volt...

Страница 265: ... the digital outputs in the format Output no Index number variable name active state The active state for digital outputs is open or closed The active state for digital inputs is high or low Send list dout Receive list dout output index variable state 1 23 CONC ALARM open 3 3 UNITS open 4 12 GEN ALARM open list lrec list srec list stream list sp These commands report the list of current selections...

Страница 266: ...0 000 pres 0 000 erec This command returns a brief description of the main operating conditions at the time the command is issued i e dynamic data The example that follows shows a typical response The format is defined by the current settings of format and erec format commands For details on how to decode the flag fields within these records see Figure B 1 in the flags command Send erec Receive er...

Страница 267: ...7 cellbi 99747 bncht 3 202e 01 lmpt 5 375e 01 o3lt 6767e 01 flowa 7 278e 01 flowb 7 390e 01 pres 7 557e 02 20 00 8 17 05 flags 2coooooo o3 2 514e 02 cellai 100137 cellbi 99762 bncht 3 262e 01 lmpt 5 325e 01 o3lt 6717e 01 flowa 7 248e 01 flowb 7 310e 01 pres 7 563e 02 21 00 8 17 05 flags 2coooooo o3 2 664e 02 cellai 100115 cellbi 99756 bncht 3 168e 01 lmpt 5 255e 01 o3lt 6597e 01 flowa 7 318e 01 fl...

Страница 268: ...cords and dynamic data according to Table B 4 The example that follows sets the long record output format to ASCII with text Send set lrec format 1 Receive set lrec format 1 ok erec layout lrec layout srec layout These commands reports the layout string indicating the data formats for data that is sent out in response to the erec lrec srec and related commands The example that follows shows a typi...

Страница 269: ...ws that the short record logging period is 5 minutes Send srec per Receive srec per 5 min set srec per value set srec per value value 1 5 15 30 60 These commands set the long and short records logging period to value in minutes The example that follows sets the long record logging period to 15 minutes Send set lrec per 15 Receive set lrec per 15 ok no of lrec no of srec These commands report the n...

Страница 270: ...urrent selections in scratch pad sp into the long record short record or streaming data list The example that follows copies the current list in scratch pad into the long records list Send set copy sp to lrec Receive set copy sp to lrec ok set copy lrec to sp set copy srec to sp set copy stream to sp These commands copy the current contents of the long record short record or streaming data list in...

Страница 271: ...to srec or set copy sp to stream commands Send set sp field 5 11 Receive set sp field 5 11 ok stream per This command reports the currently set time interval in seconds for streaming data Send stream per Receive stream per 10 set stream per number value number value 1 2 5 10 20 30 60 90 120 180 240 300 This command sets the time interval between two consecutive streaming data strings to number val...

Страница 272: ... 03 coef ok set cal o3 bkg These commands will auto calibrate the O3 background If the instrument is set to manual O3 mode the response to set O3 bkg will be can t wrong settings The example that follows shows a successful auto calibration of the O3 background Send set cal 03 bkg Receive set cal 03 bkg ok o3 coef high o3 coef low o3 coef These commands report the O3 coefficient in single range mod...

Страница 273: ... O3 low span gas concentration is 240 0 ppm Send low o3 gas Receive low o3 gas 2400E 1 ppm set o3 gas value set high o3 gas value set low o3 gas value These commands set the O3 span gas concentrations used by the auto calibration routine to value where value is a floating point representation of the gas concentration in current selected units The gas units are the same as those chosen by the user ...

Страница 274: ...l or auto range mode If the mode is incorrect the instrument responds with can t wrong settings The example below reports the span gas concentration in single range mode Send sp conc Receive sp conc 1000 set sp conc value set high sp conc value set low sp conc value These commands set the span concentrations to user defined values to value where value is a floating point representation of the span...

Страница 275: ...shbuttons The numbers represent the front panel soft keys from left to right Send push enter Receive push enter ok isc iscreen This command retrieves the framebuffer data used for the display on the iSeries instrument It is 19200 bytes in size 2 bits per pixel 4 pixels per byte arranged as 320 by 240 characters The data is sent in RLE encoded form to save time in transmission It is sent as a type ...

Страница 276: ...in the BMP sc screen This command is meant for backward compatibility on the C series Screen information is reported using the iScreen command above Send screen Receive screen This is an I series Instrument Screen Information not available Void unpackDisplay void far tdib unsigned char far rlescreen int i j k unsigned char far sc4bpp sc2bpp screen ptr ptr screen unsigned char far malloc 19200 RLE ...

Страница 277: ... can t wrong settings The example that follows reports that the O3 range is 50 ppb Send range o3 Receive range o3 0 5000E 2 ppb set range selection set high range selection set low range selection These commands select the O3 full scale range according to Table B 6 The example that follows sets the O3 full scale to 2 000 ppb 2 ppm Send set range o3 5 Receive set range o3 5 ok Table B 6 Range Setti...

Страница 278: ...on for any of the three custom ranges 1 2 or 3 to range value where value is a floating point number representing concentration in ppm or mg m3 The example that follows sets the custom 1 range to 55 5 ppm Send set custom 1 range 55 5 Receive set custom 1 range 55 5 ok range mode This command reports the current range mode Send range mode Receive range mode single set range mode mode This command s...

Страница 279: ...e gas units to ppm or mg m3 The example that follows sets the gas units to mg m3 Send set gas unit mg m3 Receive set gas unit mg m3 ok lamp This reports the current photometer lamp setting The example that follows reports that the lamp setting is 72 9 Send lamp setting Receive lamp setting 72 9 set lamp ddd d This command sets the photometer lamp setting to ddd d where ddd d is a floating point nu...

Страница 280: ...se commands turn the pressure compensation on or off The example that follows turns pressure compensation off Send set pres comp off Receive set pres comp off ok set pump onoff This command turns the pump on or off The example that follows turns the pump off Send set pump off Receive set pump off ok temp comp This command reports whether temperature compensation is on or off The example that follo...

Страница 281: ...tings as a percentage of ozonator lamp drive The example that follows sets level 4 to 40 Send set l4 40 Receive set l4 4o ok Hardware Configuration contrast This command reports the screen s level of contrast The example that follows shows the screen contrast is 50 according to Table B 7 Send contrast Receive contrast 5 50 set contrast level This command sets the screen s level of contrast accordi...

Страница 282: ...month dd day yy year This command sets the date of the analyzer s internal clock The example that follows sets the date to March 19 2005 Send set date 03 19 05 Receive set date 03 19 05 ok set default params This command sets all the parameters to their default values This does not affect the factory calibrated parameters Send set default params Receive set default params ok 5 50 6 60 7 70 8 80 9 ...

Страница 283: ... The example that follows reports that the internal time is 2 15 30 pm Send time Receive time 14 15 30 set time hh mm ss hh hours mm minutes ss seconds This command sets the internal clock 24 hour time The example that follows sets the internal time to 2 15 pm Note If seconds are omitted the seconds default to 00 Send set time 14 15 Receive set time 14 15 ok Communications Configuration addr dns T...

Страница 284: ...ddr ip 192 168 1 15 set addr ip address This command sets the analyzer s IP address where address consists of four numbers ranging from 0 255 inclusive separated by Send set addr ip 192 168 1 15 Receive set addr ip 192 168 1 15 ok addr nm This command reports the TCP IP netmask address Send addr nm Receive addr nm 255 255 255 0 set addr nm address This command sets the netmask address where addres...

Страница 285: ...on Send dhcp Receive dhcp on set dhcp onoff These commands enables and disables the DHCP service by either on or off Changes to this parameter will only take effect when the analyzer is powered up The example that follows sets the DHCP service on Note When DHCP is set to on the user supplied addr gw addr dns addr ip and addr nm parameters are not used Send set dhcp on Receive set dhcp on ok format...

Страница 286: ...yzer01 Receive set host name analyzer01 ok instr name This command reports the instrument name Send instr name Receive instr name o3 Analyzer 03 Analyzer instrument id This command reports the instrument id Send instrument id Receive instrument id 49 set instrument id value This command sets the instrument id to value where value is a decimal number between 0 and 127 inclusive Note Sending this co...

Страница 287: ...disables the stale layout layout change indicator that is attached to each response if the layout has changed Send set layout ack Receive set layout ack ok I O Configuration analog iout range channel This command reports the analog current output range setting for channels where channel must be between 1 and 6 inclusive The example that follows reports current output channel 4 to the 4 20 mA range...

Страница 288: ... command reports the analog voltage output channel range where channel is between 1 and 6 inclusive according to Table B 10 Send analog vout range 2 Receive analog vout range 2 3 set analog vout range channel range This command sets analog voltage output channel to the range where channel is between 1 and 6 inclusive and range is set according to Table B 10 The example that follows sets channel 2 ...

Страница 289: ...en the input transitions to the designated state high or low Use list din var command to obtain the list of supported index values and corresponding actions Send set din 1 3 high Receive set din 1 3 high ok dout channel This command reports the index number and output variable and the active state assigned to output channel The example that follows reports the input 4 to be assigned an index numbe...

Страница 290: ...e current mode determined by single dual auto for analog output digital output and digital inputs The index number is used to insert the variable in a field location in a list using set sp field index The example that follows reports the list of analog output index numbers and variables Send list var aout Receive list var aout index variable 0 none 1 o3 2 no2 5 cellai 6 cellbi 7 noisa 8 noisb Tabl...

Страница 291: ...elay stat 0x0001 indicates relay no 1 is set to normally open logic all others are normally closed Receive relay stat 0x0005 indicates relay no 1 and 3 are set to be normally open logic all others are normally closed set relay open set relay open value set relay closed set relay closed value These commands set the relay logic to normally open or closed for relay number value where value is the rel...

Страница 292: ...d the line is terminated by a n the normal line separator character Valid fields are s parse a string d parse a decimal number ld parse a long 32 bit decimal number f parse a floating point number x parse a hexadecimal number lx parse a long 32 bit hex number ignore the field Note Signed versus unsigned for the integer values does not matter it is handled automatically Format Specifier for Binary ...

Страница 293: ... string corresponds to one line on the display The layout string describes each of the three major fields as well as translation mechanisms and corresponding commands Text The first field in the layout string is the text It is delimited by a The string up to the first will be read and inserted in the text field of the line Value String This is followed by a possible string enclosed in quotes This ...

Страница 294: ...ed is used as a zero based index into the translation table to determine the string to display Selection Table Then there appears an optional selection table within parentheses This is a string of numbers separated by spaces 0 1 The selection table lists the translation table entries which the user may select from when setting the parameter This is not necessarily the same as the entries which may...

Страница 295: ...t field is O3 the value is taken from the third element of the data response and interpreted as a string O3 18sBd ddd set no coef s n This is a line which also appears slightly indented The next field is also O3 but the value is taken from the eighteenth element of the data response again interpreted as a string A button appears on this line which when pressed pops up an input dialog which will st...

Страница 296: ...value appearing first 0 local 1 remote etc The selection list shows that only the first two values in this case are to be shown to the user when the button is pressed The T button indicates full translation input code to string and user selection number to output string xC This is a line that starts a new column the xC or L Comp 6 11x off on Tset temp comp s n This shows that the bitfield end the ...

Страница 297: ... This is achieved by using the supported MODBUS commands listed below For details of the Model 49i MODBUS Protocol specification see the following topics Serial Communication Parameters on page C 2 describes the parameters used to support MODBUS RTU protocol TCP Communication Parameters on page C 2 describes the parameters used for TCP connection Application Data Unit Definition on page C 2 descri...

Страница 298: ...lave address is a single byte in length This is the same as the instrument ID used for C Link commands and can be between 1 and 127 decimal i e 0x01 hex to 0x7F hex This address is only used for MODBUS RTU over serial connections Note Device ID 0 used for broadcast MODBUS commands is not supported Device IDs 128 through 247 i e 0x80 hex to 0xF7 hex are not supported because of limitations imposed ...

Страница 299: ...d varies depending on the function For more description of these data fields see Function Codes below Error Check In MODBUS over Serial an error check is included in the message This is not necessary in MODBUS over TCP IP because the higher level protocols ensure error free transmission The error check is a two byte 16 bit CRC value Function Codes This section describes the various function codes ...

Страница 300: ...flect the state of the actual relays in the instrument as the user may program these outputs for either active closed or open N Quantity of Outputs 8 if the remainder not equal to zero then N N 1 Here is an example of a request and response to read outputs 2 15 Request Function code 1 Byte 0x01 or 0x02 Starting Address 2 Bytes 0x0000 to maximum allowed by instrument Quantity of outputs 2 Bytes 1 t...

Страница 301: ...ll generate the same response These functions read the contents of one or more contiguous registers These registers are 16 bits each and are organized as shown below All of the values are reported as 32 bit IEEE standard 754 floating point format This uses 2 sequential registers least significant 16 bits first The request specifies the starting register address and the number of registers Register...

Страница 302: ...N Register value N x 2 Bytes n N or N 1 Error Response Function code 1 Byte Function code 0x80 Exception code 1 Byte 01 Illegal Function 02 Illegal Address 03 Illegal Data 04 Slave Device Failure Request Field Name Hex Function 0x03 Starting Address Hi 0x00 Starting Address Lo 0x09 No of Registers Hi 0x00 No of Registers Lo 0x04 Response Field Name Hex Function 0x03 Byte Count 0x06 Register value ...

Страница 303: ... to be ON A value of 0x0000 requests it to be OFF All other values are illegal and will not affect the output The normal response is an echo of the request returned after the state has been written Here is an example of a request to write Coil 5 ON Request Function code 1 Byte 0x05 Output Address 2 Bytes 0x0000 to maximum allowed by instrument Output Value 2 Bytes 0x0000 or 0xFF00 Response Functio...

Страница 304: ...ss Hi 00 Output Address Lo 05 Output Value Hi FF Output Value Lo 00 Table C 1 Read Coils for 49i Coil Number Status 1 AUTO RANGE 2 SERVICE 3 GAS UNITS 4 ZERO MODE 5 SPAN MODE 6 SAMPLE MODE 7 O3 LEVEL 1 8 O3 LEVEL 2 9 O3 LEVEL 3 10 O3 LEVEL 4 11 O3 LEVEL 5 12 PURGE MODE 13 GEN ALARM 14 CONC MAX ALARM 15 CONC MIN ALARM 16 BENCH TEMP ALARM 17 BENCH LAMP TEMP ALARM 18 O3 LAMP TEMP ALARM 19 PRESSURE AL...

Страница 305: ... 32 MOTHERBOARD STATUS ALARM 33 MEASUREMENT INTERFACE BD STATUS ALARM 34 I O EXP BD STATUS ALARM Table C 2 Read Registers for 49i Register Number Variable 40001 40002 O3 CONC 40003 40004 LO O3 CONC Dual Auto Range mode 40005 40006 HI O3 CONC Dual Auto Range mode 40007 40008 RANGE STATUS 40009 40010 INTENSITY A 40011 40012 INTENSITY B 40013 40014 NOISE A 40015 40016 NOISE B 40017 40018 FLOW A 40019...

Страница 306: ...43 40044 ANALOG IN 8 40045 40046 NOT USED Table C 3 Write Coils for 49i Coil Number Action 101 ZERO MODE 102 SPAN MODE 103 OZONATOR LEVEL 1 104 OZONATOR LEVEL 2 105 OZONATOR LEVEL 3 106 OZONATOR LEVEL 4 107 OZONATOR LEVEL 5 108 SET BACKGROUND 109 CAL TO LOW SPAN Dual Auto Range mode 110 CAL TO HIGH SPAN Dual Auto Range mode 111 OZONATOR SOLENOID 112 AOUTS TO ZERO 113 AOUTS TO FS Table C 2 Read Reg...

Страница 307: ...nt to be in sample zero span mode if valid for that instrument This is achieved by using the supported Geysitech commands listed below For details of the Model 49i Geysitech Protocol specification see the following topics Serial Communication Parameters on page D 1 TCP Communication Parameters on page D 2 Instrument Address on page D 2 Basic Command Structure on page D 2 Block Checksum BCC on page...

Страница 308: ...e set via the front panel The Instrument Address is represented by address in the examples throughout this document Note Device IDs 128 through 247 are not supported because of limitations imposed by the C Link protocol Abbreviations Used The following is a list of abbreviations used in this document CR is abbreviation for Carriage Return ASCII code 0x0D STX is abbreviation for Start of Text ASCII...

Страница 309: ...ecksum is referred to as BCC throughout this document Geysitech Commands The following commands are supported by the Geysitech protocol Instrument Control Command ST Data Sampling Data Query Command DA Instrument Control Command ST There are three control commands supported by the Geysitech protocol This control command is a single letter which triggers an action in the instrument These commands a...

Страница 310: ... match the Instrument Address the command is ignored This is a sample command to switch the instrument to zero mode instrument id 5 STX ST005 SP N CR Data Sampling Data Query Command DA This command DA initiates a data transfer from the instrument The instrument responds with measurement data which depends on the range mode and is listed in Measurements Reported in Response to DA Command for 49i a...

Страница 311: ... SFKT SP address 1 SP measured value2 SP status SP SFKT ETX BCC The response uses the same command terminators as used by the received command i e if the received command was terminated with a CR the response is terminated with CR and if the command was terminated with a ETX BCC the response is terminated with ETX and the computed checksum BCC The 02 after the MD indicates that two measurements ar...

Страница 312: ...ytes contain the information about the main operating conditions of the instrument at that instant For details on how to interpret the status bytes refer to Table D 1 and Table D 2 SFKT is the space provided for future use for special function it currently contains a string of ten 0 s i e 0000000000 Example Geysitech Protocol with transmission of three concentrations Instrument ID is 1 Operation S...

Страница 313: ...i Primary Standard includes O3 Dual Auto Range Mode for 49i The 2 measurements reported in dual or auto range modes for the Model 49i include low O3 high O3 Dual Auto Range Mode for 49i PS The 2 measurements reported in dual or auto range modes for the Model 49i Primary Standard include O3 Actual O3 Set point Operating and Error Status See Table D 1 for operating status and Table D 2 for error sta...

Страница 314: ...0 1 0 0 0 0 0 0 Not used 1 0 0 0 0 0 0 0 D7 D6 D5 D4 D3 D2 D1 D0 Æ Bit 8 7 6 5 4 3 2 1 Æ Hex value 80 40 20 10 08 04 02 01 MSB LSB Error status O3 Lamp Temperature Alarm 0 0 0 0 0 0 0 1 Internal Temperature Alarm 0 0 0 0 0 0 1 0 Bench Lamp Temperature Alarm 0 0 0 0 0 1 0 0 Pressure Alarm 0 0 0 0 1 0 0 0 Flow A Alarm 0 0 0 1 0 0 0 0 Flow B Alarm 0 0 1 0 0 0 0 0 Intensity A Alarm 0 1 0 0 0 0 0 0 Int...

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