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1. 2 26 Primary screen ierit e 2 16 Primary Screen illustration 2 16 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Protocol Selections ccccccscecssecesceeseceteeeesseeeee 4 10 Protocol Bavarian 4 11 Protocol enhanced eee 4 12 Protocol original sss 4 10 R Recorder connections essere 2 2 S Sample gas 2 6 Serial command control sess 4 7 Serial connections sese 4 5 rei eet 4 5 serial port sse 2 29 4 7 4 13 Serial terminal control ssesse 4 6 Setting the date and time sss 2 12 SpecifiCatiOnS itn eit eb been 1 2 Strip Charts Illustrating Offset illustration 2 46 System Faults screen 2 38 System Faults Screen illustration 2 38 System Temperature 2 37 System Temperature Screen illustration 2 37 T Terminal control serial esses 4 6 Test Menu a 2 25 Test Menu illustration 2 25 Timed Calibration Menu sees 2 21 Timed Calibration Menu illustration 2 21 Typical UV Photometric C
2. INT VALVE 1 Sample stream 2 28 98117600 Rev B 98117600 Rev B INT VALVE 2 Scrubbed sample primary scrubber INT VALVE 3 Not used AUX VALVE 1 Not currently used EXT MEASURE Externally supplied sample EXT ZERO GAS Externally supplied zero air EXT SPAN GAS Externally supplied span gas VALVE SEQUENCING CHAPTER 2 INSTALLATION AND OPERATION Set to either ON or OFF ON is used for automatic valve control of reference and sample gas readings orr is used for operator control of valves VALVE SEQUENCING will automatically be set to ON whenever the primary screen is displayed 2 5 6 4 Diagnostic Menu DIAGNOSTIC MENU MULTIDROP PORT TEST NO WATCHDOG TEST DISPLAY TEST ANALOG OUTPUT TEST NO NO NO Figure 2 19 Diagnostic Menu The DIAGNOSTIC MENU is information used to diagnose problems or suspected problems The settings return to the previously set conditions when the operator leaves this menu MULTIDROP PORT TEST Sends test of all printable characters to the Multidrop rear serial ports WATCHDOG TEST Disables strobes to the watchdog timer The system resets when this test is executed 2 29 EC9811 ANALYZER WITH IZS OPERATION MANUAL DISPLAY TEST A series of 6 tests are available to check the working order of the display screen Once the test is selected press the Select key to verify that the alternate pi
3. Active output indicates that the sample flow is less than 0 1 slpm Active output indicates that the lamp has failed Note 6 98117600 Rev B Signal Name CHOPFAIL SPAN OOR SPAREOCI HEATERFAIL SPAREOC2 ELECTST PS FAIL HV FAIL SYSFAIL POWER ON SPDRVRI AGND DGND PGND CGND 12V 4 1 1 1 Notes 1 All outputs are open collector active LOW 98117600 Rev B 2 Analog output 3 is unused CHAPTER 4 DIGITAL COMMUNICATION Number Function 37 Active output indicates that the chopper has failed Note 7 38 Active output indicates that the span ratio is out of range Note 8 39 Spare open collector output 1 40 Active output indicates that a system heater has failed Note 9 41 Spare open collector output 2 42 Active output indicates that the system has been put into the Optic Test mode 43 Active output indicates that the system has been put into the Electric Test mode 44 Active output indicates that the 12 volt supply voltage has gone out of range Note 10 45 Active output indicates that the PMT high voltage supply has failed Note 11 46 The sum of all failures in the instrument Note 12 47 Active output indicates that power to the analyzer is on 48 Spare Driver 1 1 14 16 Ground reference for analog outputs 12 13 34 Ground reference for digital inputs or outputs 49 Chassis ground 50 12V 50 mA maximum 3 4 Un
4. EE e tee ieee Baeia ss 2 31 2 5 8 Analog Output Menu eite tiere td irte te ra eet teni i to eb E SEOS Ea Er ETE N eins 2 32 2 5 9 DGG LOS SINS Mehl aee ertet eerie tette dis eoe e Pese pem ie t ge teen inodo Revs 2 34 2 5 10 Network Adapior Men 4 ee e ete eta d e ee ee bia ge eit 2 35 DDL Trend Select Menus s RR RE 2 35 2 25 12 Event LOS SCHON asd ne rede t ope a o ge o rtr e Gre A 2 36 DI AB Instrument Status 2 36 2 29 14 System Temperature eU b n aad RR OU Tee e pire pete ete tust 2 37 2 2 15 ystemRaults Screen a i et e el p tee eei ER tea os Aine Aids SR ote 2 38 2 6 INSTRUMENT SETUP 5 nun aub AE Ao eR RR RIS eet Seles e E RE CERE 2 39 2 6 1 Analyzer Setup aiii d et e ete e ire ape de po ra epe poe d EC e Beto eet 2 39 2 6 2 Ozone Generator Setup eei ie Re a t RE teen pid irae pee Ear Neben aan 2 40 2 7 OPERATING THE INSTRUMENT EHI RU RERO RELIER CEU Ree 2 44 2 71 Measuring External Ozone o e ete ed e tee ru e e et a dete 2 44 2 7 2 Measuring Internal Ozone rr EORR EHE EE E ER TERRAE OPE EX beh 2 44 2 7 3 Changing the Generator Output isisi opea naganti aaia EARE entrent nnne trennen trennen trennen nes 2 44 2 7 4 Stepping the Ozone Generator Through the Span Points eee 2 45 2 5 ANAEOG OUTPUT 5 6 rin rr p OD e UE PR TO M E Rr rie
5. 4 8 4 15 Bavarian protocol sse 4 11 C Cable Connections illustration 4 6 Calibration Menu 2 22 Calibration Menu Timed 2 21 Calibration References 3 18 Calibration requirements eeeeeeee 2 49 Calibration initial 0 00 0 cece ceeeseeeeenee 2 13 3 2 Calibration multipoint eese 3 3 Calibration multipoint with over ranging 3 16 Command set 9800 4 7 4 16 Command set 4 8 4 15 Communications multidrop 4 13 Connections Manifold 2 7 Connections recorder and DAS 2 2 Connections sample gas sese 2 6 Connections 1 1 4 5 D DAS connections esseeeeeeeneerennnene 2 2 Data E ggIng demde 2 34 Date and time setting ssssssssseses 2 12 Diagnostic Menu eese 2 29 Diagnostic Menu 2 29 Digital communication seen 4 1 Discrete control esses 4 1 Display adjustment eee 2 9 E Enhanced protocol ccesceeseec
6. 3 irte epe be er ee EET pes E VENE REC TENERE CE in RESET ERE E dee ee es 2 8 2 Dib Display Adjustments nisaire te ete reet ee a reae Fee nee Re RE REPE EE Eae ester eee T 2 9 2 2 2 W rtmup 2 10 2 3 4OPBRATION ente hinten tamtenbeani can ores 2 10 2 3 1 General Operation Information eee esee eene teen teen trennen entren entente 2 11 2 3 2 Using the Menu Making Entries c eere ree red eek te aa ee rese id 2 11 2 3 3 SUMING the D Ate ANd ag eecai e eerte aperte el tiet tiet toad 2 12 24 ANALYZER CALIBRATION terrere tec dicere e tesi eres da tects 2 13 24 I Precision Checks iie DO e cte e RII I 2 13 DAD IET 2 13 2 4 3 Mahnidlis o OR seh a Pe EEE OES Bh DS Se RE SES 2 13 2 4 4 Analyzer Calibration Instructions eee eee eene tenente teen trennen enne trennen trennen 2 14 2 5 MENUS AND SCREENS eee e a diee ve eee nera dede e 2 15 2 5414 Primary Screen oa ata rae ERU EP EP RO Reps 2 16 23 2 Mam Menu ETE ER 2 17 PRODIN L RIAA EN LA MEERA RO e AEE E AE E AREER AS EA EE 2 17 2 54 Measurement MenhW hee e oe tede teo ee adeunt edat 2 19 98117600 Rev B EC9811 ANALYZER WITH IZS OPERATION MANUAL 29 9 Calibration Men e SHE gl ta cb n Gk XU ee EXP eR REY QE e eue eene de e E eR ERN 2 20 2 30 Test IUE 2 25 297 Interface Menu s A a
7. 2 45 20 1 Offser and dei RU da d URRRU Rau d RR Reese 2 46 2 6 2 Over Range Adjustments ici eon de pte e etel Pe ede qr ERU De ease RR eyelet ed 2 46 2 6 3 Analog Output Calibration Procedure eese eene enne nennen trennen ener 2 48 2 6 4 Calibration Requirements ege EO GR pe cle ERE e LR CREDE 2 49 2 0 PASSWORD PROTECTION rette eR ERE EFC Me FOROR Rn aire eroe 2 49 2 91 Rulesof ODerattOns uh se e ec eem e e eri e eae ove e Pee t ees 2 49 2 9 2 Sample S ssiOh ui saspe e m rte ete ede e ede E Mee ee code ep d 2 49 3 0 CALIBRA UO 3 1 SRODA DATAT AA E E E E E E E E E 3 1 3 1 1 Analyzer Calibration with external Span eese eene nennen rennen eerte 3 2 3 2 MULTIPOINT CALIBRATION PROCEDURE vinenn o ianea E eene 3 3 3 2 1 Photometric Analysis Calibration Procedure eese eee teen ener emen enneenneene 3 4 3 2 2 Procedure For 5 Point Multipoint Calibration with external span eene 3 11 3 3 CALIBRATION REQUIREMENTS WHEN OVER RANGING IS EMPLOYED cene ener 3 16 3 4 AUTOMATIC ZERO AND SPAN CHECKS 7 esee enne enne enne enne nr 3 16 3 4 L Setting AZS Sp n Points ues eher E EEEE E E e P go Te ERES 3 17 34 2 Description of AZS PTOCESS atis tet dee REIR C etx Ae ke ES ERI eee Yee
8. Data collection and recording is available for either a data acquisition system such as a datalogger or a strip chart recorder A DB50 connector is also included for digital input control and digital output status The EC9811 also features internal data storage capabilities 98117600 Rev B 1 1 EC9811 ANALYZER WITH IZS OPERATION MANUAL The instrument also includes an over range feature that when enabled automatically switches the analog output to a preselected higher range if the reading exceeds 90 of the nominal range When the reading returns to 80 of the nominal range the analyzer automatically returns to that range The U S EPA has designated the EC9811 ozone analyzer as an Equivalent Method Section 1 2 includes the operational parameters necessary when using the analyzer in this mode 1 1 Specifications Note All specifications are referenced to STP standard temperature and pressure 1 1 1 Range o Display Autoranging 0 to 20 ppm Resolution 1 ppt selectable units and decimal places o Analog output 0 full scale from 0 0 05 ppm to 0 20 ppm with 0 5 and 1046 offset o Autoranging between 2 user specified full scale values o U S EPA designated range Any full scale range between 0 to 0 05 and 0 to 1 0 ppm 1 1 2 Noise RMS o Measurement process 0 25 ppb or 0 1 of concentration reading whichever is greater with Kalman filter active o Analog output 0 25 ppb or 0 1 of analog output
9. EC9811 ANALYZER OPERATION MANUAL 4 2 Signal Name SPANCYL OUTSERV ZEROON SPANON ZEROCYL IZSON STARTUP PPM MET FLOWFAIL LAMPFAIL Number Function 18 19 20 21 22 23 24 25 26 2T 28 29 30 31 32 33 35 36 Active output indicates that the instrument is in the Span or Span Fill mode Active output indicates that the Out of Service switch is in the out of service position Active output indicates that the instrument is in the Zero mode Active output indicates that the instrument is in the Span mode Active output indicates that the instrument is in the Zero or Zero Fill mode Active output indicates that Internal Zero Span has been selected Note 5 Active output indicates that the startup sequence is active Active output indicates that the instrument is in mg M USER ID byte bit 1 Used in conjunction with the PINID serial command USER ID byte bit 2 Used in conjunction with the PINID command USER ID byte bit 3 Used in conjunction with the PINID command USER ID byte bit 4 Used in conjunction with the PINID command USER ID byte bit 5 Used in conjunction with the PINID command USER ID byte bit 6 Used in conjunction with the PINID command USER ID byte bit 7 Used in conjunction with the PINID command USER ID byte bit 8 Used in conjunction with the PINID command H
10. 80 Mirror Temperature 81 Lamp Temperature 82 O03 Lamp Temperature 83 Instrument Status 84 Reference Voltage 85 Calibration State 0 MEASURE 1 CYCLE 2 ZERO 3 SPAN 86 Primary Raw Concentration before 984X background and gain 87 Secondary Raw Concentration before 984X background and gain 88 984X Background Concentration before gain 89 Calibration Pressure 90 Converter Efficiency 91 Multidrop Baud Rate 92 Analog Range Gas 1 93 Analog Range Gas 2 94 Analog Range Gas 3 95 Output Type Gas 1 0 Voltage 1 Current 96 Output Type Gas 2 0 Voltage 1 Current 97 Output Type Gas 3 0 Voltage 1 Current 98 Voltage Offset Current Range Gasl 0 0 or 0 20mA 1 5 or 2 20mA 2 10 or 4 20mA 99 Voltage Offset Current Range Gas2 0 0 or 0 20mA 1 5 or 2 20mA 2 10 or 4 20mA 100 Voltage Offset Current Range Gas3 02046 or 0 20mA 1 5 or 2 20mA 2 10 or 4 20mA 101 Full Scale Gas 1 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION 102 Full Scale Gas 2 103 Full Scale Gas 3 104 Zero Adjust Gas 1 105 Zero Adjust Gas 2 106 Zero Adjust Gas 3 107 Negative 10V Supply 108 50 Pin IO ANINI 20mV resolution analog input 0 5V 109 50 Pin IO ANIN2 20mV resolution analog input 0 5V 110 Instrument State 111 CO Linearisation Fa
11. CHAPTER 4 DIGITAL COMMUNICATION CHOPFAIL Indicates that the chopper has failed LAMPFAIL Indicates that the lamp has failed FLOWFAIL Indicates that the sample flow is less than 0 1 slpm SYSFAIL Indicates one or more components have failed HEATERFAIL Indicates that a system heater has failed COOLERFAIL Indicates that a cooler has failed CVFAIL Indicates that a converter has failed ZEROON Indicates that the instrument is in the Zero mode OUT OF SERVICE Out of service switch has been activated on analyzer HV FAIL Indicates that the PMT high voltage supply has failed PS FAIL Indicates that the 12 volt supply voltage has gone out of range GRAV Measuring in gravimetric units i e MG M3 VOL Measuring in volumetric units i e PPM Example If a failure status is received as C022 then the failures of the instrument as determined by this code are C FLOWFAIL Indicates that the sample flow is less than 0 1 slpm SYSFAIL Indicates one or more components have failed 0 2 No Failure 2 2 OUT OF SERVICE Out of service switch has been activated on analyzer 2 2 VOL Measuring in volumetric units i e PPM 98117600 Rev B 4 9
12. Calculate MULTIPOINT CHECK Ss 8 esset 99 201 503 Measured Add Trendline 300 Calculated Figure 3 3 Data point formatting menu with Excel chart Add Trendline Figure 3 4 Trendline menu in Excel Select Add Trendline Linear should be selected under the TYPE tab and enter Options Select the tick boxes that will display the equation and the R value on the chart Figure 3 4 Clicking OK will return to the chart and display the required data necessary to determine the effectiveness of the calibration 3 14 98117600 Rev B Calculated Measured 98117600 Rev B 0 100 200 300 400 500 1 99 201 300 400 503 CHAPTER 3 CALIBRATION 600 Measured MULTIPOINT CHECK Gain Offset y 1 0043x 0 0952 R 0 9999 300 400 500 600 Calculated Figure 3 5 Excel chart showing equation with required criteria Using the linear regression equation y mx b from the chart where y instrument concentration ppm calculated value ppm m gradient gain b y intercept offset Note The R value is a correlation factor that relates to the similarity between the data points Values close to 1 indicate a linear relationship whereas a value close to zero will show a random distribution of data The calibration is accepted if m m The gradient m falls between 0 98
13. DA Function Bavarian network command that returns the current instantaneous concentration Format lt STX gt DA lt DEVICE I D gt lt EXT gt lt BCC1 gt lt BCC2 gt Device response lt STX gt MD 01 lt SP gt lt kkk gt lt SP gt lt nnnntee gt lt SP gt lt ss gt lt SP gt lt ff gt lt SP gt lt mmm gt lt SP gt 000000 0000 lt SP gt lt ETX gt lt BCC1 gt lt BCC2 gt where kkk instrument ID nnnn ee instantaneous gas concentration in ppb or mg m3 ss Status byte for both channels with the following bit map positive logic DO unused 1 out of service D2 instrument is in zero mode D3 instrument is in span mode D4 unused D5 unused units l ppm 02mg m3 D7 unused ff failure byte for both channels with the following bit map positive logic DO flow sensor failure D1 instrument failure D2 unused D3 unused D4 lamp failure D5 temperature sensor failure D6 unused D7 unused 4 15 EC9811 ANALYZER OPERATION MANUAL 4 16 mmm instrument serial number 0000 6 pad zeroes if the original or enhanced protocol is selected 10 pad zeroes if the Bavarian protocol is selected BCC1 first byte of the block check calculation BCC2 second byte of the block check calculation The block check calculation is performed by clearing the block check number An iterative EXCLUSIVE OR is performed on this number with every char
14. reading below to ensure the reading matches the desired flow entered above Only confirm the desired flow once this has occurred otherwise pump flow will be offset 2 6 2 3 Adjusting the Producing Lamp Current 98117600 Rev B The current has been factory set for the ozone producing lamp for 1 ppm at a flow rate of 4 slpm The current should not be readjusted unless required by your 2 41 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 42 application the ozone producing lamp has been replaced ozone generator pump flow has been changed or repair has been done to the ozone generator electronics This procedure sets the maximum value of ozone the generator will produce The ozone generator flow rate should be adjusted if required before this procedure is performed If a record of the analog output is desired to document the lamp adjustment procedure the analyzer must be set for the ozone range to which the ozone output will be adjusted This would normally be an analog range of 2 ppm full scale for adjustment of 1 ppm full scale ozone output The current to the ozone producing lamp is controlled by two digital to analog converters DACs located on the microprocessor board One DAC controls the maximum lamp current by adjusting the voltage sent to the lamp driver The other DAC divides this maximum current by duty cycle modulation to produce ozone values from full scale to zero When either of the adjustment fields are entere
15. 15 PRE POT 5 981X Lamp Adjust 9820 9830 9850 test measure 984X high voltage adjust 16 PREPOT6 9850 high voltage adjust 17 PREPOT7 9850 lamp adjust 18 VREGPOT I Flow control zero 19 VREG POT2 20 VREG POT3 21 VREG POT 4 22 VREG POT 5 Fan speed control 23 VREG POT 6 Pump speed fine 24 VREG POT 7 Pump speed coarse 25 Analogue input 0 26 Analogue input 1 27 Analogue input 2 98117600 Rev B EC9811 ANALYZER OPERATION MANUAL 28 Analogue input 3 29 Analogue input 4 30 Analogue input 5 31 Analogue input 6 32 Analogue input 7 33 Analogue input 8 34 Analogue input 9 35 Analogue input 10 36 Analogue input 11 37 Analogue input 12 38 Analogue input 13 39 Analogue input 14 40 Analogue input 15 41 50 PIN IO bits 0 7 BIT 7 Span Out of Range BIT 6 Span On BIT 5 Copper Fail BIT 4 Zero On BIT 3 Lamp Fail BIT 2 Out Of Service BIT 1 Flow Fail BIT 0 Span Cycle 42 50 PIN IO bits 8 15 BIT 7 Pump On BIT 6 Range 1 BIT 5 Startup BIT 4 Heater Fail BIT 3 Range 0 BIT 2 IZS On BIT 1 Spare 1 BIT 0 ZeroCycle 43 50 PIN IO bits 16 23 BIT 7 Power On BIT 6 Sys Fail BIT 5 High Voltage Fail BIT 4 Power Supply Fail BIT 3 Electric Test BIT 2 Optical Test BIT 1 Range 2 0 PPm Metric 44 50 PIN IO bits 24 31 Really User ID 45 50 PIN
16. 98117600 Rev B CHAPTER 1 DESCRIPTION o Pump Internal Pump see Chapter 2 Installation and Operation o Filter A 5 micron PTFE filter must be installed in front of the sample inlet Zero and Span gas must pass through this filter o If the units in the MEASUREMENT MENU are changed from volumetric to gravimetric or gravimetric to volumetric the analyzer must be re calibrated o The analyzer must be operated and maintained in accordance with this operation manual o The following menu selections must be used INTERFACE MENU ANALOG OUTPUT MENU RANGE 0 05 to 1 0 PPM OVER RANGING ENABLED Of DISABLED INSTRUMENT MENU MEASUREMENT MENU FILTER TYPE KALMAN CALIBRATION MENU CALIBRATION MANUAL Or TIMED SPAN COMP DISABLED TEST MENU PRES TEMP FLOW COMP ON DIAGNOSTIC MODE OPERATE o The Service switch must be positioned to IN The EC9811 series analyzers are U S EPA equivalent with or without the following options items o rack mount assembly o 50 pin connector PCA 98117600 Rev B 1 5 EC9811 ANALYZER WITH IZS OPERATION MANUAL This page is intentionally left blank 1 6 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 0 Installation and Operation 2 1 Mechanical Installation Note Before installation the unit should be checked to ensure that the instru
17. Select key and the use the increment or decrement keys to change the mode Press the Enter key when the desired mode is reached 2 7 OPERATING THE INSTRUMENT The instrument may be operated as an analyzer with built in periodic zero span checks or as a calibrated ozone source In both cases you will want to check the ozone generator output and measure ozone from some external source 2 7 1 Measuring External Ozone The external ozone source to be measured must have a flow rate of greater than 750 mL per minute to avoid back diffusion A flow rate of greater than 1000 mL per minute is recommended The external ozone source is connected to the sample port of the calibration valves The excess flow of the external ozone source must be connected to a vent To measure the external ozone source connected to the sample port enter the CALIBRATION MENU and select CALIBRATION MANUAL and CAL MODE MEASURE The instrument will now measure the sample gas At this point you may wish to enter the INTERFACE MENU to rescale the analog RANGE so the measured value is properly scaled for your strip chart recorder or the TREND screen 2 7 2 Measuring Internal Ozone The internal ozone generator must be programmed to a flow rate greater than 750 mL per minute One port of the ozone output manifold must be connected to the valve manifold span port One port of the oz
18. The Instrument ID or Main Gas ID can be set manually in the Instrument Menu or the Interface Menu Refer to section O for further details This is this preferred method The command P1 is the only command used to set the Instrument I D for a given analyzer The instrument can then be used standalone or as one of several multidrop daisy chain analyzers The format of this command is PIXXX YYY lt CR gt Where xxx is the unit I D yyy is the unit serial number for all other analyzers o The parameter xxx is the unit I D and must be three characters o Unit I D s such as 1 should be programmed as 001 o The second parameter vvv is an optional serial number This serial number is reported in the response to the Bavarian command but is otherwise unused o Only one analyzer at a time may be programmed with an I D Do not issue this command with multiple units on a multidrop 4 4 4 3 Examples o The string P1001 lt cR gt will program a unit to the I D of 001 o The string P1001 123 will program a unit to the I D of 001 with a serial number of 123 o The string P1003 004 will program an EC9811 for a main ID of 003 and a secondary ID of 004 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION 4 4 5 Serial Command Sets This section describes the Bavarian Network and 9800 command sets available on the EC9811 using the instrument Command mode 4 4 5 1 Bavarian Protocol Command Set 98117600 Rev B Command
19. an output port or manifold a photometer an appropriate source of zero air and other components as necessary The configuration must provide a stable ozone concentration at the system output and allow the photometer to accurately analyze the output concentration to the precision specified for the photometer see section 3 2 1 3 1 below Figure 3 1 shows a commonly used configuration and serves to illustrate the calibration procedure which follows Other configurations may require appropriate variation in the procedural steps All connections between components in the calibration system downstream of the O generator should be of glass Teflon or other relatively inert materials Additional information regarding the assembly of a UV photometric calibration apparatus is given in Calibration Reference 1 For certification of transfer standards which provide their own source of the transfer standard may replace O generator and possibly other components shown in Figure 3 1 see Reference 2 for guidance 3 5 EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 6 Figure 3 1 Typical UV Photometric Calibration System 3 2 1 3 1 UV Photometer The photometer consists of a low pressure mercury discharge lamp collimation optics optional an absorption cell a detector and signal processing electronics as illustrated in Figure 3 1 It must be capable of measuring the transmittance I Io at a wavelength of 254 nm with sufficient
20. 001 ppm 1 of reading per 700 hours Feedback OFF 0 001 ppm 3 of reading per 700 hours 1 1 13 Temperature Range o 5 to 40 C 41 to 104 F o U S EPA designated range 15 to 35 C o Eignungsgepr ft range 5 to 40 C 1 1 14 Power m 99 to 132 VAC 198 to 264 VAC 47 to 63 Hz o U S EPA designated range 105 to 125 VAC 60 Hz or 200 to 240 VAC 50 Hz 1 1 15 Weight 25Kg 56 1b 1 1 16 Analog Output o Menu selectable current output of 0 to 20 mA 2 to 20 mA or 4 to 20 mA o Jumper selectable voltage output of 100 mV 1 V 5 V and 10 V with menu selectable zero offset of 0 5 or 10 1 1 17 Digital Output o Multidrop RS232 port shared between analyzers for data status and control o Service RS232 port gives front panel access to a local or remote user o USB port connection on the rear panel provides data transfer and control o DB50 with discrete status user control and analog output 1 2 U S EPA Equivalent Method The EC9811 ozone analyzer with IZS has been designated under U S EPA regulations as an equivalent method EQOA 0193 091 Use of the EC9811 under U S EPA designation as an equivalent method as defined in 40 CFR Part 53 requires operation under the following conditions o Range Any full scale range between 0 to 0 050 ppm and 0 to 1 0 ppm o Ambient temperature 15 to 35 C o Line voltage 105 to 125 VAC 60 Hz or 200 to 240 VAC 50 Hz o Flow rate 0 5 slpm
21. 1 The various concentrations required when generating ozone to be used in the calibration procedure may be obtained by dilution of the concentrations generated in step 4 above With this option accurate flow measurements are required The dynamic calibration system may be modified as shown in Figure 3 2 to allow for dilution air to be metered in downstream of the O generator A mixing chamber between the ozone generator and the output manifold is also required The flowrate through the generator Fo and the dilution air flowrate Fp are measured with a reliable flow or volume standard traceable to NIST Each concentration generated by dilution is calculated from 98117600 Rev B CHAPTER 3 CALIBRATION Figure 3 2 Typical UV Photometric Calibration System Option 1 Fo Fo Fp O our O our Equation 3 4 where O3 our diluted concentration ppm Fo flow rate through the generator lpm Fp diluent air flow rate lpm 3 2 2 Procedure For 5 Point Multipoint Calibration with external span 3 2 2 1 Principle Multipoint calibration consists of five 5 concentrations across the instruments operating range The concentration levels are derived to determine the accuracy between calculated and expected values of the analyzer using a simple Excel spreadsheet This procedure is only to be carried out on a 6 monthly basis or after the analyzer has had major repair as per AS3580 6
22. 1 and U S EPA Standards 98117600 Rev B 3 11 EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 2 2 2 Apparatus The apparatus discussed in section 3 2 1 3 above should be used to perform the Multipoint Calibration In addition to this the following may also be used NATA NIST Traceable Temperature sensor o NATA NIST Traceable Barometric sensor o Laptop Computer with Microsoft Excel o Bios DryCal flow calibrator o Ecotech portable zero air source o Ecotech O3 Photometer Calibrator 3 2 2 3 Procedure 1 Connect the flowmeter to the analyzer sample inlet and measure the sample flow reading Record the average of flow readings and ensure that it meets the specifications of section 1 1 9 1 2 Setup the O3 photometer to obtain an O3 gas concentration of 80 of the EC9811 s operating range as discussed in section 3 2 1 5 Perform a manual calibration at this point Note Record the analyzer instruments gains before and after the calibration 4 Setup the O3 photometer to obtain Zero air and ensure that the EC9811 has a zero reading lower than 5ppb Note Perform a background otherwise and repeat step 2 Note Do not make any further span adjustments during the remainder of the calibration Record the new span values in the spreadsheet 3 12 98117600 Rev B CHAPTER 3 CALIBRATION 5 Generate several additional O concentrations at least 5 others are recommended over the analyzer s full scale range by adjusting
23. 3 3 where E linearity error percent A analysis of the original concentration A analysis of the diluted concentration R dilution ratio flow of original concentration divided by the total flow 98117600 Rev B CHAPTER 3 CALIBRATION The linearity error must be less than 596 Since the accuracy of the measured flowrates will affect the linearity error as measured this way the test is not necessarily conclusive Additional information on verifying linearity is contained in Calibration Reference 1 4 Intercomparison When possible the photometer should be occasionally intercompared either directly or via transfer standards with calibration photometers used by other agencies or laboratories Ozone losses Some portion of the O may be lost upon contact with the photometer cell walls and gas handling components The magnitude of this loss must be determined and used to correct the calculated concentration This loss must not exceed 596 Some guidelines for quantitatively determining this loss are discussed in Calibration Reference 1 3 2 1 5 3 Certification of Transfer Standards A transfer standard is certified by relating the output of the transfer standard to one or more ozone standards as determined according to section Error Reference source not found above The exact procedure varies depending on the nature and design of the transfer standard Consult Calibration Reference 2 for guidance 3 2 1 5 4 C
24. Current Output Connections When using the EC9811 without the 50 pin I O PCA the analyzer still provides current outputs to drive a strip chart recorder or DAS These outputs are present on the discrete I O connector at the following pins Pin Discrete I O Connector Ou C DGND Gnd 1 12 14 or 16 If a current output is connected the range must also be chosen from the menu when the instrument is operating The compliance voltage for the current output is 12 V A terminating resistor of 600 ohms or less should be used for measurement errors no greater than 1 2 1 2 1 3 Voltage Output Connections The current output mentioned above can be converted to a voltage output by adding a terminating resistor across the output This resistor must be 50 ohms per full scale voltage desired 50 ohms 1 V full scale 500 ohms 10 v full scale etc Following is a list of typical output ranges and required terminating resistance 98117600 Rev B 2 5 EC9811 ANALYZER WITH IZS OPERATION MANUAL Desired Output Volts Terminating Resistance Ohms 10 Volts 500 Ohms When using voltage output the source resistance is 1000 ohms The recorder or DAS input resistance should be greater than 500K ohms for a measurement error no greater than 1 2 1 2 2 Sample Gas Connections Caution Sample and zero air connections to the EC9811 should be maintained at ambient pressure with any excess flow vented to the atmosphere The EC981
25. MATTER 4 5 USB COMMUNICATION ente er e ere o re I treten aee deae deed sete sees 4 25 4 5 1 Installing the driver ona PC aeg die deret eletto att beo ete dee pito end 4 25 4 6 EC9800 COMMUNICATOR SOFTWARE cecinere nenne tren teen een 4 27 4 6 T Daia Acquire Mode tb cede ri o Ie ere EO EI o Pct Pie epe NE feiss 4 27 4 6 2 Remote Terminal Mode eer eiie tee chip tete dep ee bete ep ae ett 4 29 70 34 Settings s tee Re e MH HE RUE EM etd e e REP ep ete A ens 4 30 41 6 4 Keyboard aea ean T Bd ert E er eR re ee D rn EH 4 32 4 7 NETWORK INTERFACE OPTIONAL ccsessecesssscecssseececssccecsessececseseecessseeecsessececsensecesaesecseauececsesseesssseeeeseaaeees 4 32 47 1 Current Reddings aes aree tra Eger ere D etre Uo e ri ip ex eter recs 4 32 47 2 Remote Mode eee ted tei recepere eue ee ep heec pls 4 34 AST S ADOWIIOG s 3 eii e een eed etant qued eee tie ees 4 35 4 7 4 Firmware Update for the Network Interface eese eene ene 4 36 M M O n II APPENDIX ucc r 4 2 DESCRIPTION erit pite tisse fe te te dee ette ere eR Ge eec e ot o e ttem Ghee sey 4 2 qe DR 4 7 98117600 Rev B EC9811 ANALYZER WITH IZS OPERATION MANUAL This page is intentionally left blank 9811760
26. PPM OUTPUT TYPE VOLTAGE OFFSET 0 FULL SCALE 0 00 ZERO ADJUST 0 00 OVER RANGE 20 00 PPM OVER RANGING DISABLED Figure 2 23 Analog Output Menu Voltage Output RANGE Set upper range limit in digits to desired concentration This value cannot exceed the ovER RANGE value OUTPUT TYPE Setting must match the choice on the 50 Pin I O board if installed current or voltage OFFSET Choices are 0 5 and 10 Recorder or DAS output will reflect this FULL SCALE X XX a correction factor for full scale setting Used when calibrating the analog outputs ZERO ADJ X XX a correction factor for the zero setting Used when calibrating the analog outputs OVER RANGE Set to desired over range value This value cannot be set below the RANGE value This is the alternate scale the recorder or DAS indicates when over ranging is active and enabled When 90 of the set range is reached this auto range is 98117600 Rev B 2 33 EC9811 ANALYZER WITH IZS OPERATION MANUAL effective When 80 of the original range is reached it returns to the original range OVER RANGING Set to ENABLED Or DISABLED to turn the over ranging feature on or off 2 5 9 Data Logging Menu DATA LOGGING MENU AVERAGE DATA OFF INST DATA OFF TOTAL CAPACITY 0 0 DAYS ERASE LOGGED DATA NO Figure 2 24 Data Logging Menu The DATA LOGGING MENU contains settings that relate to the internal data re
27. Yn REIS RR regne 3 18 3 9 CALIBRATION REFERENCES ius 56i erro e iota i e Rit 3 18 4 0 DIGITAL COMMUNICATION eere eene enean snot ta antea ta sint ts tn stata sine ta eeskoda senate tn sensa enses sanete 4 1 4 1 DISCRETE CONTROL epit et EG 4 1 4 1 1 50 Pin Functional 4 1 2 12 50 Pin VO Mpt oua t ea tee e a ee eter e t ei ee e cte eee ets 4 4 4 1 3 50 Pin VO iius anna e ORI ERU RETE A S 4 4 A 2 SBRIAL CONTROL reme aret ORI EE DIO GRUT t arie TUR eed eade 4 5 421 Serial Connections elite ete 4 5 4 2 2 Cable CONNECTIONS siat RB c t E e ERE rrt ped e DATO 4 6 4 3 SERIAL TERMINAL CONTROL ree kit ere ne ete re E ETE NE Peer tr 4 6 4 4 SERIAL COMMAND CONTROL rrip rir eR ee o e UR UE ert rent te ex EE Te ee mte 4 7 4 4 19800 15 at e e eR eT ak ead sea cee OE Ee ee ER de Ene en t eas 4 7 4 4 2 Bavarian Network Command Set Formoalt 4 8 4 4 3 Protocol Definition and Selection esee eese nennen rennen nennen rennen 4 10 4 4 4 Establishing Communications esee eene teen enne een rennen tenente entren tentent entren 4 13 2 475 Serial Command Sets ecd t ote eee in eeu pente dep dee epa e eva do 4 15 98117600 Rev B FRONT
28. a long time constant resulting in a quiet signal A variation in one direction only causes the time constant to shorten resulting in a quick response A variation in both directions over a long time is signal noise and causes the time constant to lengthen resulting in a quieter signal at the expense of a slower response The Kalman filter was selected to match the normal fluctuations of ambient gases and is recommended for that application To select a filter type enter the MEASUREMENT MENU move the cursor to FILTER TYPE push the Select button increment or decrement through the filter choices and push the Enter button when the desired type is shown 2 6 1 5 Average Period Data may be averaged and the average value may be displayed on the instrument trend screen where the total time displayed is 100 average periods In addition the average value is shown on the primary screen To select an average period enter the MEASUREMENT MENU move the cursor to AVERAGE PERIOD push the Select button increment or decrement through the average choices and push the Enter button when the desired time is shown 2 6 2 Ozone Generator Setup Ozone generator setup includes monitoring the ozone generator adjusting the ozone generator flow rate adjusting the full scale current for the ozone producing lamp self calibrating the ozone generator setting up the AZS output values and choosing whethe
29. an exhaust vent An optional exhaust pump and exhaust scrubber is available from Ecotech 2 1 2 4 Manifold Connections Verify that the ozone output manifold is pneumatically connected to the INLET and AUXILIARY ports see Figure 2 1 on page 2 2 98117600 Rev B 2 7 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 2 AC Power Connection Verify that the power selection switch on the rear panel and the power cord and fuse are appropriate for your use Move the switch right or left so the appropriate voltage rating is visible on the switch Figure 2 1 shows the voltage selection switch Warning Power is supplied to the analyzer through a three pin power plug The ground must not be defeated and an adequate ground must be connected to the instrument both for proper performance and for the safety of operating personnel The warranty on the analyzer applies only if the analyzer is properly grounded If it is not properly grounded and electric power is applied in violation of the National Electric Code Ecotech assumes no responsibility for any injury or damage to personnel or property Warning Be sure to check that the mains power selection switch is at the correct setting before turning the instrument on Failure to do so may result in damage to the power supply Connect the power plug to the power receptacle and press the power switch to the ON position on the rear panel Also make sure that the DC POWER switch on the front sec
30. and 1 02 The intercept b lies between 0 3 The correlation is greater than 0 9995 Reject the calibration if the above criteria are not met If the calibration fails perform a leak check check scrubbers and consult the EC9811 service manual for troubleshooting assistance EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 3 Calibration Requirements When Over Ranging Is Employed If you are utilizing the over ranging feature of the analog outputs use the following steps in conjunction with the procedure in section O to calibrate the instrument 1 Choose the desired upper range limit for the normal monitoring range RANGE 2 Choose and set the desired upper range limit for the higher over range ovER RANGE A value between 2 and 5 times the RANGE value 1s recommended 3 Disable over ranging by setting OVER RANGING 0 DISABLED 4 Setthe RANGE value equal to the ovER RANGE value 5 Adjust the zero and span as described in section 3 2 1 5 6 Generate several concentration standards and determine the slope intercept and linearity of the higher OVER RANGE 7 Reset RANGE to the normal monitoring range 8 Generate several concentration standards and determine the slope intercept and linearity of the RANGE Note Once zero and span have been set on the higher range no further adjustments should be made on the lower normal monitoring range 9 Re enable over rangi
31. au Our Service Response Center handles product information application assistance factory repair training service maintenance agreements and technical assistance 8 98117600 Rev B FRONT MATTER WARNING Avoid smoking in the vicinity of the analyzer Due to the complex chemical makeup of tobacco smoke smoke drawn into the sample line may result in incorrect readings Furthermore tobacco smoke has been shown to contaminate converter and scrubber materials critical to the accuracy and stability of the analyzer 98117600 Rev B 9 EC9811 ANALYZER WITH IZS OPERATION MANUAL This page is intentionally left blank 10 98117600 Rev B CHAPTER 1 DESCRIPTION 1 0 Description The EC9811 ozone analyzer is a non dispersive ultraviolet UV photometer that may be used as an analyzer or as a calibrated ozone source Ozone is measured by determining the amount of UV absorbed by the sample A mercury vapor lamp is used as the light source Its 254 nm line is close to the center of the ozone absorption band When used as an analyzer a selective Ozone scrubber is switched in and out of the sample stream This manganese dioxide MnO scrubber selectively destroys ozone and passes other common absorbers The UV intensity with ozone removed is measured on one cycle and compared to the UV intensity with ozone present The ratio of the two intensities is a measure of ozone concentration alone since the unwanted absorbers equally a
32. file Date Time The date time in the format As for on screen selected in the Output tab of the Settings dialog box when the data in that row were recorded Data Up to three channels of analyzer As for on screen data with column headings as set by the analyzer Unit The unit for the analyzer data Codes representing the data units Period The repetition period For As for on screen with averaged data the repetition the period in minutes period is also the averaging period 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Function The function status of the analyzer As for on screen status at the time of measurement Failure The failure status of the analyzer As for on screen status at the time of measurement Type Inst instantaneous data instantaneous data Avg averaged data A averaged data 4 6 2 Remote Terminal Mode Remote Terminal mode can be used to access the analyzer s control panel remotely 4 6 2 1 Starting a Remote Terminal mode session 1 Ensure that all Settings are correct Refer to section 4 6 3 2 Under the Mode menu choose the Remote Terminal option 3 Onthe Comm menu select Start 4 The screen should replicate the analyzer s display similar to Figure 4 6 The user now has access to the analyzer control panel with the buttons at the bottom of the screen replicating the buttons on the front panel of the analyzer If a blank screen appears t
33. flow is less than 0 1 slpm SYSFAIL Indicates one or more components have failed 0 2 No Failure 2 2 OUT OF SERVICE Out of service switch has been activated on analyzer 2 2 VOL Measuring in volumetric units i e PPM Unit 1 Digit 277 Digit 377 Digit 4 Digit 0 NO FAILURE NO FAILURE NO FAILURE GRAV 1 CHOPFAIL REFFAIL ZEROON GRAV 2 LAMPFAIL HEATERFAIL OUT OF SERVICE VOL 3 CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE 4 FLOWFAIL COOLERFAIL HV FAIL GRAV 5 CHOPFAIL REFFAIL ZEROON GRAV FLOWFAIL COOLERFAIL HV FAIL 6 LAMPFAIL HEATERFAIL OUT OF SERVICE VOL FLOWFAIL COOLERFAIL HV FAIL 7 CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE FLOWFAIL COOLERFAIL HV FAIL 8 SYSFAIL CVFAIL PS FAIL GRAV SPANON 9 CHOPFAIL REFFAIL ZEROON GRAV SYSFAIL CVFAIL PS FAIL SPANON A LAMPFAIL HEATERFAIL OUT OF SERVICE VOL SYSFAIL CVFAIL PS FAIL SPANON B CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE SPANON SYSFAIL CVFAIL PS FAIL C FLOWFAIL COOLERFAIL HV FAIL GRAV SYSFAIL CVFAIL PS FAIL SPANON D CHOPFAIL REFFAIL ZEROON GRAV FLOWFAIL COOLERFAIL HV FAIL SPANON SYSFAIL CVFAIL PS FAIL E LAMPFAIL HEATERFAIL OUT OF SERVICE VOL FLOWFAIL COOLERFAIL HV FAIL SPANON SYSFAIL CVFAIL PS FAIL F CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE SPANON FLOWFAIL COOLERFAIL HV FAIL SYSFAIL CVFAIL PS FAIL 98117600 Rev B
34. in a monitoring program The calibration procedure is included in Chapter 3 Most regulatory requirements also include establishing a calibration verification program If your organization does not have the staff to perform this task Ecotech s Service personnel can provide assistance See the front of this manual for contact details 2 9 Password Protection A password protection option was designed in order to solve the problem of altering the configuration of the machine by the user This option prevents the user from configuring the EC9800 menus by creating an individual password This feature allows the user to exclude changes to the front panel menus by locking them through a user specified password 2 9 1 Rules of Operation o The password must be a four digit number o After a memory erasure the analyzer will default to UNLOCKED o The user must enter a four digit number to lock the analyzer The same four digit number is used to unlock the analyzer as well o Once the analyzer is locked the user may navigate through the menus but cannot select a field for data entry o Each time the user wishes to lock the analyzer the password must be entered The password is only valid while the analyzer remains locked previous passwords are not remembered o On the INSTRUMENT MENU there is a new entry labeled PassworD that displays the status of the menu as either UNLOCKED Or LOCKED 2 9 2 Sample Session
35. must be 50 ohms per full scale voltage desired 50 ohms 1 v full scale 500 ohms 10 v full scale etc If voltage output type was selected choose the desired offset and press Enter If current output type was selected choose the desired output range and press Enter Select ZERO ADJUST and adjust the analog output to the selected offset position for zero concentration i e if 1096 offset is selected position the recorder pen or DAS at 10 of full scale To make the adjustment watch the recorder paper or DAS while you increment or decrement the zero adjustment correction factor that is displayed Press Enter to confirm your setting Select FULL SCALE and adjust the analog output to 100 on the recorder paper or DAS To make this adjustment watch the recorder paper or DAS while you increment or decrement the full scale correction factor that is displayed Press Enter to confirm your setting Select ovER RANGE and set to a range that is higher than the RANGE chosen at the top of the screen When the digits reflect the desired over range press Enter 10 Select OVER RANGING and choose either ENABLED or DISABLED Press Enter 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 8 4 Calibration Requirements To make your data acceptable to the regulatory authorities and to pass required periodic audits you must calibrate the instrument before any data is collected for use
36. must be sent on 9800 style commands but it is not checked against the actual parameters o The number of data parameters must be sent on 9800 style commands but it is not checked against the actual parameters 4 4 4 Establishing Communications The first step in establishing communications with the EC9811 is to connect a computer or terminal to one of the instrument s RS232 serial ports as specified in section 4 2 1 The default serial configuration for either serial port is 2400 8 N 1 2400 baud 8 bits no parity and one stop bit If you need to change the serial configuration from the default use the INTERFACE MENU Once the instrument has been connected place the instrument in Command mode by entering the INTERFACE MENU via the front panel and selecting COMMAND as the INTERFACE MODE Then using a communication package such as HYPER TERMINAL establish communications with the instrument To test the communication connection type DCOMM and press the Enter key The complete alphanumeric set recognized by the EC9811 should be displayed on the computer followed by END OF MULTI DROP PORT TEST 4 4 4 1 Multidrop Communications 98117600 Rev B The term multidrop is an idiomatic contraction of the term multiple drops It is a term used to denote a parallel connection of multiple RS232 transceivers In this scheme all receivers share the same receive line that comes from a single mas
37. needed to operate the EC9811 are performed by pressing the 6 keys available on the front panel to the right of the display screen The key functions are described below A LV Plad Figure 2 5 Analyzer Keyboard The key functions are Up arrow key Moves the cursor to the previous menu item or in an input field moves the cursor to the next choice or increments the digit in a numerical field Down arrow key Moves the cursor to the next menu item or in an input field moves the cursor to the next choice or decrements the digit in a numerical field o Select Selects the menu choice or selects the field for input o lt Pg Up gt Moves the cursor to the previous page or screen o Exit Leaves a field without making a change or returns the cursor to the main screen a Enter 1 Confirms a menu item or a field selection to the microprocessor 2 3 2 Using the Menu and Making Entries The EC9811 analyzer is programmed with a series of menus that allow the operator to view parameters such as those generated by the microprocessor or to enter digital parameters when appropriate or to select from among the choices displayed The cursor is displayed as a movable highlighted area of text Letters appear as the opposite of the rest of the text on the screen 98117600 Rev B 2 11 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 12 2 3 2 1 Screen Fields Screen fie
38. the O source or by referring to option 1 in 3 2 1 5 5 For each concentration standard record the concentration and the corresponding analyzer response Note The recommended multipoint span concentrations are 20 40 60 80 10046 of Full Scale minimum of ILPM 6 Record the concentration and the analyzer s response for each concentration after a stabilization period of 15 minutes per point 7 Plot the analyzer responses versus the corresponding concentrations and draw the analyzer s calibration curve or calculate the appropriate response factor 3 2 2 4 Calculating Multipoint Calibration Results 3 2 2 4 1 Manual Calculations Used when Excel not available Determine the percent difference between instrument response and the calculated concentration using the following equation Instrument Response Calculated Concentration x100 Percent Difference Calculated Concentration If the difference between values is less than 1 then the instrument is within specifications Otherwise a Leak Check and or service is required 3 2 2 4 2 Using Microsoft Excel to Display Multipoint Calibration Results Produce a X Y scatter plot of the data with the calculated O3 concentration in the X axis and the instruments response concentration in the Y axis Right mouse click on any data point to bring up the data formatting menu shown in Figure 3 3 98117600 Rev B 3 13 EC9811 O4 ANALYZER WITH IZS OPERATION MANUAL d
39. the calibration sequence by pressing either the Up or Down arrow key or until the display prompts START MANUAL CALIBRATION Pressing the Select key will allow you to choose from No SPAN or ZERO Confirm that the display reads sPAN and press Enter 1 A backlit cursor will be displayed on the concentration display Use the Select key to move the position of the backlit cursor and the Up and Down arrow keys to increment and decrement the value of the backlit digit until the span calibration gas concentration value is displayed When the desired concentration is displayed press Enter Then move the backlit cursor to the INSTRUMENT GAIN field The instrument gain is automatically calculated by the analyzer Press Enter to confirm this value Press Exit to return to the primary screen The concentration on the primary screen should now read the same as the concentration of the calibration gas Note The auto zero function of the EC9811 eliminates the need for a traditional zero calibration This completes the calibration of the EC9811 analyzer 98117600 Rev B 2 5 Menus and Screens CHAPTER 2 INSTALLATION AND OPERATION This section illustrates the various menus and screens for the EC9811 analyzer A short description of each menu and screen is also provided The entire menu structure is shown in Figure 2 6 below MAIN MENU CALIBRATION MENU TEST MENU NTERFACE MENU TREND SELECT MENU EVE
40. 0 Rev B FRONT MATTER Manual History This manual is a newly designed manual to cater for the continuing development of the EC9800 series analyzers The original manual was o ML9811 Operation Manual PN 98117600 Rev F September 1998 The scope of this new manual covers the following analyzer o EC9811 Ozone Analyzer with internal and External Zero and Span PN 98111000 100 o 9811 Ozone Analyzer with internal and External Zero and Span Systems PN 98115000 100 This instrument is manufactured by Ecotech P L in Australia and supports the new SMD Microprocessor Board Part number 98000063 4 This manual is current for firmware version 1 21 and above Ecotech Manual ID MAN 0003 Manual PN 98117600 Current Revision B Date Released April 2007 Description EC9811 Ozone Analyzer with Internal Zero and Span Operation Manual Revision History Rev Date Summary Affected Pages A October 2005 New Release for new Microprocessor Board Based All on original manuals B April 2007 Updated specifications language and links within All pdf manual created NOTE The photograph on the binder of this manual is of the south coast of Australia during Bushfires in 2003 The photograph is courtesy of Earth Sciences and Image Analysis Laboratory NASA Johnson Space Center Photo Reference ISS006 E 19897 98117600 Rev B 1 EC9811 ANALYZER WITH IZS OPERATION MANUAL Notice The information contained in this
41. 1 At INSTRUMENT MENU there is a field labeled PAsswonp This should display the status UNLOCKED 2 Select the field labeled PAsswonp The status UNLOCKED will be replaced by 0000 98117600 Rev B 2 49 EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 Using the select and arrow keys scroll to the desired numbers to represent the password 4 When the desired password appears press the Enter key The password will disappear and the LOCKED message will take its place The analyzer is now locked 5 Scroll through the instrument menus From this point forward it is impossible to select any alterable fields 6 Return to the INSTRUMENT MENU and select the PASSWORD field 7 The LOCKED message will disappear and 0000 appears in its place 8 Using the Select and arrow keys scroll the numbers of the password entered previously 9 When the password is displayed press the Enter key The password will disappear and be replaced by the message UNLOCKED 10 The analyzer is unlocked and the menu configuration can be altered 2 50 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION This page is intentionally left blank 98117600 Rev B 2 51 CHAPTER 3 CALIBRATION 3 0 Calibration 3 1 Overview The calibration chapter consists of o a general discussion of calibration o a description of the multipoint calibration procedure a description of automatic zero span AZS
42. 1 requires at least 1 00 slpm 0 5 slpm sample plus 0 5 slpm overflow of particulate filtered 5 micron dry non condensing sample furnished at all times A 5 micron inlet filter is necessary to meet USEPA requirements which is already installed in the A series analyzer Tubing used for sample gas and exhaust connections must be 1 4 inch OD and 1 8 to 3 16 inch ID The recommended ID is 5 32 inch A segment of clean Teflon tubing should be purchased to connect the sample source to the sample inlet Only use lines and fittings made of Teflon Kynar or glass Instructions for tubing connections with Kynar fittings o Cut the tubing squarely and remove any burrs o Insert the tubing through the back of the nut until it reaches the tube stop in the fitting o Tighten the nut finger tight plus 1 1 2 to 2 turns A squeaking sound when tightening the nut is normal o All nuts should be re tightened when the system reaches operating temperature 2 6 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 1 2 3 Exhaust Connections 2 1 2 3 1 A Series When making exhaust connections locate the exhaust outlet away from the sample inlet and occupied enclosed areas Connect a 1 4 inch OD line from the exhaust port to an exhaust manifold that vents outside of occupied areas Lines and fittings of materials other than those cited above can be used for these connections Note The ozone output manifold must have one port connected to
43. 2 ecotech environmental monitoring solutions EC9811 Ozone Analyser with internal zero amp span User Manual WWW ecotech com EC981 1 Quick Start Guide Step 1 Installation Inspect analyzer for damage before turning on Service Manual 1 1 Select an appropriate location Operation Manual 2 1 1 Connect Gas lines Operation Manual 2 1 2 2 Connect Analog Output Cables Operation Manual 2 1 2 1 Connect RS232 Cables Operation Manual 4 2 1 Check the mains power selection switch 115 or 230 VAC Operation Manual 2 2 Connect AC Mains Power Operation Manual 2 2 Step 2 Start up Set Service Switches Service Manual 1 1 2 Turn On power Operation Manual 2 2 The Display should read 9811 Analyzer Adjust the Display Contrast if required Operation Manual 2 2 1 Verify that the software is running by observing the Ecotech Globe rotating in the bottom left hand corner of the display step 3 Operation Verify Instrument warm up and operation mode Service Manual 2 2 Set the correct time and date Operation Manual 2 3 3 If using RS232 configure the Interface menu Operation Manual 2 5 7 Check SYSTEM FAULTS menu All PASS Operation Manual 2 5 15 Verify other menu settings Service Manual 4 2 4 Calibration Perform a quick single point calibration Operation Manual 2 4 Setup and Calibrate the Analog Outputs if applicable Operation M
44. 4 5 9800 Command Format CCCCCCCCC III D NN PPPPPPPPPPPP T Where lt CCCCCCCCC gt command in ASCII 1 to 9 characters SEHR three digit instrument ID in ASCII format SET single digit data type in ASCII optional SNN number of parameters in ASCII 1 to 9 optional 4 7 EC9811 ANALYZER OPERATION MANUAL lt PPPPPPPPPPPP gt parameter in ASCII 1 to 15 characters optional lt T gt termination lt CR gt Or lt LF gt For commands that do not have parameters the format is the subset lt CCCCCCCCC gt lt III gt lt T gt For commands with multiple parameters the parameters are separated by the comma delimiter and the termination character follows the last parameter lt CCCCCCCCC gt lt III gt lt D gt lt NN gt lt PPPPPPPPPPPP gt lt PPPPPPPPPPPP gt lt T gt 4 4 1 1 Examples An 9800 command with no parameters would be the concentration request DCONC used here with an instrument I D of 001 DCONC 001 CR If no device I D is programmed I D can be used to address any analyzer connected to the RS232 line An example of this is shown here DCONC CR Caution Using this I D will result in a response from all analyzers connected to the serial line An example of an 9800 command with a parameter would be the trend dump command DTREND used here with an instrument I D of 134 DTREND 134 1 1 GASAVG CR 4 4 2 Bavarian Network Co
45. A Figure 2 16 Preprocessor Pots Menu Preprocessor pots are electronically controlled digital potentiometers used for adjustments to operations of the preprocessor board Each pot is set with digits 0 to 99 in a non wraparound scrolling field MEASURE COARSE ZERO Software controlled pot for the electronic zero for the measure channel The pot is updated and controlled by the microprocessor 2 26 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION MEASURE FINE ZERO Software controlled pot for the electronic zero The pot is updated and controlled by the microprocessor Used by technicians for troubleshooting INPUT Software controlled pot that sets input gain on the preprocessor board TEST MEASURE Software controlled pot that is used by technicians when troubleshooting LAMP ADJUST Software controlled pot that sets UV lamp current REF VOLTAGE Reference voltage as measured on the detector PCA This voltage is indicative of the UV lamp intensity and absorption by the ozone in the cell 03 PPM Gas concentration reading Cannot be set instrument generated information Used as reference when setting pots CONC VOLTAGE Voltage from the preprocessor proportional to the absorption of ozone in the measurement cell Microprocessor controlled information used by technicians when troubleshooting LAMP CURRENT Microprocessor displayed value for UV lamp current 2 5 6 2 Flow Control Pots Screen FLOW CONTROL POTS are
46. AT6 digital supply STAT STATS 4 19 EC9811 ANALYZER OPERATION MANUAL 4 20 STAT9 STAT10 high voltage lamp current mA STAT11 ambient pressure STAT12 Startup flag 1 in startup mode Startup flag and ground offset are integers all other numbers are in floating point format The status field is null if it does not apply to the analyzer type Command DSPAN Function Commands the unit under test to enter the span mode and stay there Format DSPAN DEVICE I D gt TERMINATOR Device response ACK if the unit under test is able to perform the command NA amp if not Command DTEMPS Function Dumps the SYSTEM TEMPERATURES MENU variables to the serial port Format DTEMPS DEVICE I D gt TERMINATOR Device response TEMP1 TEMP2 TEMP3 TEMP5 TEMP6 TEMP7 TEMP8 TEMP 9 TEMP10 lt CR gt lt LF gt where TEMP1 cell temperature TEMP2 converter temperature TEMP3 chassis temperature TEMP4 flow temperature TEMP5 cooler temperature TEMP6 mirror temperature TEMP7 lamp temperature TEMP8 ozone generator lamp temperature TEMP9 IZS temperature 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION TEMP10 manifold temperature All temperatures are in floating point format The temperature fiel
47. D will respond with either lt ACK gt or lt NAK gt Bavarian commands also respond with either lt AcK gt or lt NAK gt although this is outside the normal Bavarian Network protocol Note This protocol selection should not be used in Bavarian network applications 4 4 3 10 Command Acknowledgment o For all valid 9800 and Bavarian commands an ASCII lt ack gt character is returned o For commands that request data the data will be sent after the lt AcK gt character 4 4 3 11 Negative Command Acknowledgment o Any detected error will respond with the ASCII xax character followed by an error message o Due to the constraints of the multidrop environment the unit I D must be received intact for a lt NAK gt response to be sent o An invalid command will cause the response lt NAK gt UNKNOWN COMMAND lt CR gt lt LF gt o An invalid command format will cause the response lt NAK gt BAD COMMAND FORMAT lt CR gt lt LF gt o A bad block check on a Bavarian command will cause the response lt NAK gt BAD BLOCK CHECK lt CR gt lt LF gt o If a Bavarian command is sent without a set of matching sTx and lt ETX gt characters it will cause the response lt NAK gt BAD STX ETX PAIR lt CR gt lt LF gt 4 12 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION 4 4 3 12 Enhanced Protocol Idiosyncrasies o The string DA CR is a valid command o The Da command will function without an I D o The data type
48. EC 61000 4 5 Surge immunity test IEC 61000 4 6 Immunity to conducted disturbances induced by radio frequency fields o Electromagnetic compatibility EN61326 1 Annex A CISPR 22 and CISPR 16 2 CISPR 16 1 and CISPR 16 2 EN 61010 1 Safety requirements for electrical equipment control and laboratory use o Section 19 of EN 60204 1 Insulation Resistance Check Residual Voltage Check Earth Continuity The equipment must be operated as per the directions given by Ecotech P L in this manual 98117600 Rev B 3 EC9811 ANALYZER WITH IZS OPERATION MANUAL Internationally Recognized Symbols Used on Ecotech Equipment IEC 60417 No 5016 IEC 60417 No 5017 IEC 60417 No 5021 IEC 60417 No 5032 IEC 60417 No 5041 ISO 7000 0434 ISO 3864 No B 3 6 Electrical fuse Earth ground terminal Equipotentiality Alternating current Caution hot surface Caution refer to accompanying documents Caution risk of electric shock 98117600 Rev B FRONT MATTER SAFETY REQUIREMENTS g To reduce risk of personal injury caused by electrical shock follow all safety notices and warnings in this documentation This equipment should always be used with a protective earth installed The EC9811 is compliant with the requirements of EN61010 1 A2 1995 Safety Requirements for Equipment for Measurement Control and Laboratory Use If the equipment is used for purposes not specified by the manufacture
49. ER 4 DIGITAL COMMUNICATION Notice that If you do not have a TFTP client there is a demo TFTP client application available at www weird solutions com A Users Guide is included and can be used as reference for using the weird solutions tftp client Use the following parameters e Use the instruments IP address for the TFTP server e Select Upload for the Operation e Select Binary for the Format e The path and name of the cob file e For the Remote File Name use X2 e Click the Upload Now button to start the operation Note Be very careful to set the TFTP application to do a binary transfer when upgrading over the network 4 37 EC9811 O ANALYZER OPERATION MANUAL INDEX 5 50 Pin Connector Board with Sample Choices Rear Gllustration seen 2 4 9 9800 command 4 7 4 16 A Analog Output 2 32 2 34 Analog Output Menu illustration 2 34 Analog Output Menu Current Output illustration 2 32 Analog Output Menu Voltage Output illustration 2 33 Analyzer Front Panel illustration 2 9 Analyzer Keyboard illustration 2 11 Analyzer Rear Panel illustration 2 2 Automatic zero and span 7 3 16 AZS Span Points eese 3 17 B Bavarian command
50. IO bits 32 39 BIT 7 P4 BIT 6 P3 BIT 5 P2 BIT 4 Pl BIT 3 Spare Driver 1 BIT 2 BIT 1 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION BIT 0 Reference Fail 46 50 PIN IO bits 40 47 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 P6 BIT 0 P5 47 50 PIN IO bits 48 55 BIT 7 Status 2 LED BIT 6 Status 1 LED BIT 5 Sys Fail LED BIT 4 HeartBeat LED BIT 3 BIT 2 BIT 1 BIT 0 48 50 PIN IO bits 56 63 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 Status 3 LED 49 PGA Gain 0 7 50 Primary Gas Concentration 51 Secondary Gas Concentration 52 Calculated Gas Concentration 53 Primary Gas Average 54 Secondary Gas Average 55 Calculated Gas Average 56 Instrument Gain 57 Main Gas ID 58 Aux Gas ID 59 Decimal Places 60 Noise 61 Gas 1 Offset 62 Gas 3 Offset 63 Flow Temperature 64 Lamp Current 65 Digital Supply 66 Concentration Voltage 67 High Voltage 68 Ozonator 0 Off 1 On 98117600 Rev B 4 3 EC9811 ANALYZER OPERATION MANUAL 69 Control Loop 70 Diagnostic Mode 71 Gas Flow 72 Gas Pressure 73 Ambient Pressure 74 Analog Supply 75 Cell Temperature 76 Converter Temperature 77 Chassis Temperature 78 Manifold Temperature 79 Cooler Temperature
51. ION REFERENCE ZERO OFFSET SPAN COMPENSATION SAMPLE FLOW SAMPLE PRESSURE Figure 2 25 Trend Select Menu Each graph is displayed as an x y plot with the x axis 0 being the current time and the most distant number being the most historic data 98117600 Rev B 2 35 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 5 12 Event Log Screen EVENT LOG AZS CYCLE OCCURRED AT 00 01 15 AUG 03 ZERO FLOW OCCURRED AT 17 02 08 AUG 03 Figure 2 26 Event Log Screen The EVENT LOG displays notations of key events such as autozero and calibration or specific error conditions for up to 100 occurrences This screen is a first in last out type screen The first entry is the latest occurrence You can scroll through the events using the Up or Down arrow keys A or Y 2 5 13 Instrument Status Screen INSTRUMENT STATUS GAS FLOW 05 GAS PRESSURE 617 6 REF VOLTAGE 3 806 CONC VOLTAGE 1 327 ANALOG SUPPLY 11 715 DIGITAL SUPPLY 4 977 LAMP CURRENT 10 214 VERSION 1 03 0002 INSTRUM Figure 2 27 Instrument Status Screen ENT STATUS is information continuously generated by the microprocessor for various parameters GAS FLOW Calculated gas flow Will indicate 0 00 if the flow transducer senses flow has gone to zero GAS PRESSURE Current Gas pressure should be a little below current barometric pressure 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION REF VOLTAGE Reference voltage as measur
52. ION SAMPLE FLOW SAMPLE PRESSURE CELL TEMP LAMP TEMP CHASSIS TEMP FLOW TEMP Figure 2 6 Menu Structure GENERATOR O3 CALIB OUTPUT ULTIPOINT MENU EASUREMENT ADJUSTMENTS PUMP FLOW LAMP CURRENTS EASURED VALUES PUMP FLOW LAMP CURRENT ASUR ASUR PUT ST MEASURE P ADJUST REF VOLTAGE COARSE ZERO FINE ZERO 2 CONC VOLTAGE LAMP CURRENT FLOW CONTROL ZERO FAN SPEED CONTROL PUMP SPEED FINE PUMP SPEED COARSE GAS FLOW GAS PRESSURE INT VALVE 1 INT VALVE 2 INT VALVE 43 AUX VALVE 1 EXT MEASURE EXT ZERO GAS EXT SPAN GAS VALVE SEQUENCING 2 15 EC9811 ANALYZER WITH IZS OPERATION MANUAL Note The values shown in the illustrations are examples only Your display can be affected by the settings you choose 2 5 1 Primary Screen GAS Os X XXX PPM X XXX AVG INSTRUMENT GAIN 1 322 SAMPLE MEASURE ZERO FLOW 14 03 18 AUG 03 MAIN MENU Figure 2 7 Primary Screen When power is applied the screen displays the ECOTECH logo for a few seconds It then identifies the analyzer and the words MAIN MENU appear in the lower right corner of the screen In the lower left hand corner there is the Ecotech Globe rotating indicating that the program is running After the warm up period the operation mode is displayed at the left of the screen and the current gas measurements for the analyzer are indicated as shown in Figure 2 7 above Instrument f
53. LAMPFAIL HEATERFAIL OUT OF SERVICE VOL FLOWFAIL COOLERFAIL HV FAIL SPANON SYSFAIL CVFAIL PS FAIL F CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE SPANON FLOWFAIL COOLERFAIL HV FAIL SYSFAIL CVFAIL PS FAIL CHOPFAIL Indicates that the chopper has failed LAMPFAIL Indicates that the lamp has failed FLOWFAIL Indicates that the sample flow is less than 0 1 slpm SYSFAIL Indicates one or more components have failed HEATERFAIL Indicates that a system heater has failed COOLERFAIL Indicates that a cooler has failed CVFAIL Indicates that a converter has failed ZEROON Indicates that the instrument is in the Zero mode 98117600 Rev B 4 7 EC9811 ANALYZER OPERATION MANUAL OUT OF SERVICE Out of service switch has been activated on analyzer HV FAIL Indicates that the PMT high voltage supply has failed PS FAIL Indicates that the 12 volt supply voltage has gone out of range GRAV Measuring in gravimetric units i e MG M3 VOL Measuring in volumetric units i e PPM Example If a failure status is received as C022 then the failures of the instrument as determined by this code are C FLOWFAIL Indicates that the sample
54. NT LOG NSTRUMENT STATUS 98117600 Rev B SYSTEM TEMPERATURES SYSTEM E NSTRUMENT MENU MEASUREMENT MENU DATE TIME PASSWORD ERASE MEMORY MAIN GAS ID CALIBRATION TIMED TIMER INTERVAL STARTING HOUR CYCLE TIME O3 GEN MENU SLOPE INTERCEPT DEVIATION SPAN COMP CAL PRESSURE OUTPUT TEST MENU DIAGNOSTIC MENU CALCULATION FACTORS MEASUREMENT GAIN PRES TEMP FLOW COMP DIAGNOSTIC MODE CONTROL LOOP ANALOG OUTPUT MENU DATA LOGGING MENU MAIN GAS ID INTERFACE MODE MULTIDROP BAUD DATA LENGTH STOP BITS PARITY COMM PROTOCOL NETWORK ADAPTOR GAS FLOW GAS PRESSURE REF VOLTAGE CONC VOLTAGE ANALOG SUPPLY DIGITAL SUPPLY LAMP CURRENT VERSIO CELL TEMPERATURE SAMPLE GAS FLOW FLOW BLOCK TEMP A D INPUT 12 VOLT SUPPLY REFERENCE VOLTAGE LAMP CURRENT LAMP TEMP T UNIT SELECTIO DECIMAL PLACES AVERAGE PERIOD FILTER TYPE LAST MODE OZONE FEEDBAC NOISE ZERO OFFSET CALIBRATION CAL MODE O3 CAL PRESSURE O3 GEN MENU O3 SPAN RATIO SLOPE INTERCEPT DEVIATION ANUAL PREPROCESSOR POTS FLOW CONTROL POTS VALVE TEST MENU MULTIDROP PORT TEST WATCHDOG TEST DISPLAY TEST ANALOG OUTPUT TEST INST GAIN P T F CORRECTION BACKGROUND ZERO OFFSET RANGE OUTPUT TYPE OFFSET FULL SCALE ZERO ADJUST OVER RANGE OVER RANGING AVERAGE DATA INST DATA TOTAL CAPACITY ERASE LOGGED DATA CONCENTRATION AVG CONCENTRATION REFERENCE ZERO OFFSET SPAN COMPENSAT
55. TOR Choices are oN and orr When ou is selected the generator is continuously on When oF F is selected the generator is off except when selected by MANUAL CAL or an AZS cycle O3 CALIB When selected and entered a self calibration cycle will start for the ozone generator Refer to paragraph 2 6 2 4 2 23 EC9811 ANALYZER WITH IZS OPERATION MANUAL OUTPUT The current programmed output of the ozone generator if the generator is turned on This number may be changed by the operator MANUAL ADJUSTMENTS PUMP FLOW Select the desired flow rate of air through the ozone generator in standard liters per minute Note Use the pump FLOW reading below to ensure the reading matches the desired flow entered above Only confirm the desired flow once this has occurred otherwise pump flow will be offset LAMP The upper limit that the UV lamp will perform at shown as a percentage Recommended to be set at 100 MEASURED VALUES PUMP FLOW The measured air flow through the ozone generator in standard liters per minute LAMP CURRENT The measured current through the ozone producing lamp in milliamps 03 The current ozone concentration measured 2 5 5 2 2 MULTIPOINT MENU MULTIPOINT M 1 2 3 4 5 POINT 1 5 These are five span points used during an AZS cycle These points may be any concentration value achievable by the ozone generator with the constraint that values selected must be in decr
56. acter in the message from the lt 5 gt to the lt ETx gt inclusive The resulting value is converted into a two digit pseudo hex number and sent out as Bcc1 and Bcc2 Command PI Function Bavarian network command that sets the device ID and serial number of the analyzer Format lt STX gt PI lt DEVICE I D gt lt SP gt lt INSTRUMENT SERIAL NUMBER lt gt lt BCC1 gt lt BCC2 gt Command ST Function Bavarian network command that sets the instrument mode to zero span or measure Format lt STX gt ST lt DEVICE I D gt lt SP gt COMMAND lt ETX gt lt BCC1 gt lt BCC2 gt where COMMAND M for measure N for zero for span s to start background cycle 4 4 5 2 9800 Command Set Note The TERMINATOR can be either a CR or lt LF gt The DEVICE I D Three Digit Instrument LD in ASCII Format Command ABORT 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Function Commands the addressed device to abort the current mode and return to the measure mode Format ABORT DEVICE I D gt TERMINATOR Device response lt ACK gt if the unit under test is able to perform the command lt NAK gt if not Command DAVGC Function Sends the current average concentration data to the serial port Format DAVGC lt DEVICE I D gt TERMINATOR Device res
57. ake a change during this process simply press the lt Exit gt key and the values will return to the previous entries 2 3 3 Setting the Date and Time Before the instrument can be calibrated or collect data for regulatory use the time and date must be set Go to the INSTRUMENT MENU and select DATE and TIME If these are not already set use a 24 hour clock setting for time and set the date in the day month year format See section 2 5 for instructions on programming menu entries 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 4 Analyzer Calibration When the EC9811 analyzer is powered on for the first time the analyzer must be calibrated to ensure accurate O4 measurements The analyzer does not require re calibration after further power interruptions or resets However if the instrument is transported to a new location or maintenance work is performed the instrument may require re calibration To determine weather the instrument requires a calibration a precision check can be performed as discussed in the following sections 2 4 1 Precision Checks A precision check is a Level 2 calibration as discussed in section 3 4 This means that the instrument is only checked against a know calibration source and is not adjusted A precision check can be performed either manually or automatically 2 4 2 Automatic Most modern air quality monitoring systems have data acquisition systems which can automatically initia
58. alibration System llustration esses eene 3 6 Typical UV Photometric Calibration System Option illustration 3 11 U USB sS Rn 1 4 4 1 4 25 4 27 4 31 USEPA Equivalent Method 1 4 V Valve Test Menu 2 28 Valve Test Menu illustration 2 28 W b Ele 2 10 iii EC9811 ANALYZER OPERATION MANUAL APPENDIX A USB PROTOCOL PARAMETER LIST Note parameters are for all EC9800 analyzers and may not be applicable to an individual analyzer Description Notes 0 Internal Valve 1 0 Closed 1 Open 1 Internal Valve 2 0 Closed 1 Open 2 Internal Valve 3 0 Closed 1 Open 3 External Measure Valve 0 Closed 1 Open 4 External Zero Valve 0 Closed 1 Open 5 External Span Valve 0 Closed 1 Open 6 Aux Valve 1 0 Closed 1 Open 7 Aux Valve 2 0 Closed 1 Open 8 Aux Valve 3 0 Closed 1 Open 9 Valve Sequencing 0 Off 1 On 10 LCD Contrast POT O Lightest 99 Darkest 11 PRE POT 1 Measure coarse pot for all analysers except 9841A which is chassis fan speed 12 PRE POT 2 Measure Fine 981X 9820 9830 9841 9842 Bench Fan Speed 9841A Reference_zero 9850 13 PRE POT 3 Input for all except 9850 which is measure gain 14 PRE POT 4 981X 984X Test Measure 9820 9830 test_reference 9850 reference gain
59. alibration of EC9811 Ozone Analyzer The analyzer may be calibrated using ozone concentration standards obtained directly as discussed in section Error Reference source not found above or by means of a certified ozone transfer standard 98117600 Rev B 1 Ensure that the analyzer is properly connected to the output recording device as described in Chapter 2 Installation and Operation If necessary go to the INTERFACE MENU Select the ANALOG OUTPUT MENU and select the appropriate settings for the recording device Offsetting the analyzer s zero indication OFFSET and ZERO ADJUST to 5 of scale is recommended to facilitate observing negative zero drift Exit and return to the initial screen Adjust the calibration system to deliver zero air to the output manifold The total air flow must exceed the total demand of the analyzer s connected to the output manifold by 0 5 lpm to ensure that no ambient air is pulled into the manifold vent Go to the CALIBRATION MENU and select MANUAL calibration and MEASURE mode Press the lt Exit gt key and return to the initial screen 3 9 EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 Allow the analyzer to sample zero air until a stable response is obtained Use the Select key to initiate the query START MANUAL CALIBRATION Use the Up or Down arrow key to choose ZERO and confirm by pressing the Enter key The cursor appears in the ZERO CALIBRATION fi
60. anual 2 8 3 If necessary perform a leak check Service Manual 3 3 8 If necessary perform a flow calibration Service Manual 3 5 2 If necessary perform a Multipoint calibration Operation Manual 3 2 Step 5 Data Validation Verify the results from your data acquisition system agree with the readings of the EC9811 O3 analyzer Verify that the analyzer responds to automatic calibration sequences The analyzer is now operating correctly FRONT MATTER Table of Contents MANUAL HISTORY ee artic at te e a ner qnte aca m te Due arie ace e Ack oe Rec Re 1 NOTICE Cp E 2 MARK DECLARATION sienGggeneenid eee uu ned e 3 INTERNATIONALLY RECOGNIZED SYMBOLS USED ON ECOTECH EQUIPMENT eese eene eterne 4 SAFETY REQUIREMENTS e eget e ete doeet reete eee cen 5 FACTOR Y SERVICE ee e i iet c Ae eve 6 CLAIMS FOR DAMAGED SHIPMENTS AND SHIPPING enne enne ener enne 7 SERVICE AND SPARE PARTS eddie nime te rete se da eR a e Yee da Dg 8 TO DESCRIPTION e M 1 1 TA SPECIFICATIONS rei tct teeth eec hib aie aee eet eie 1 2 TL Ranges sn enge ERHEBEN Ne tases gs 1 2 1 1 2 NOISE RMS ET 1 2 I T 3 Eower Detectable Limits diet e eden ede e cette etis steve dee eot r
61. ata to their hard drive 984 14 NOx Analyser Software Version 1 13 04 Start Date OPEN DATE 1 v 1 v 2003 hh v mm v Start Date PICKER End Date v Download all data logged since Start Time ALL DATA Data Type All Logged Data DATA SINCE Date Format yy mm dd hh mm v TYPE AND START File Path cAtestiec3800 bd Browse DATE DATE FORMATE Download Status Ready FILE PATH AND PLE NAME Figure 9 Download Data window Starting date The starting date of the data to be downloaded can be selected either using the drop down scrolls in the first two fields or by using the Start date button to open a date picker End date The end date of the data to be downloaded can be selected either using the drop down scrolls in the first two fields or by using the Start date button to open a date picker This option is only possible if the Download all data logged since Start time is not ticked Download all data since Tick the box next to Download all data logged since Start Time to ensure all data is downloaded from the start date until the last reading 98117600 Rev B 4 35 EC9811 O ANALYZER OPERATION MANUAL 4 36 Data Type The data type to be downloaded can be selected between Instantaneous data Average data or all logged data Date Format The Date format can be changed with the order of time date month and year being interchangeable to your pr
62. aults will be reported on the status line which appears one line below the instrument state display The following rules govern the information displayed on this line If there are no failures the status line is blank If there is a single failure that failure is displayed on the status line 1 ZERO FLOW HEATER FAULT etc The status line will clear when the fault clears If there are multiple failures the failure at the top of the failure list will be displayed on the status line When this failure clears the next failure on the list will be displayed The entire list of failures is displayed on the SYSTEM FAULTS screen Instrument gain displayed above the operational mode indicates the relationship between the calibration concentration and a measured gas concentration within the analyzer It is an essential parameter for the calibration of the analyzer and is an important requirement for system audits 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION When the primary screen is displayed and the cursor highlights the words MAIN 2 5 2 Main Menu MAIN MENU INSTRUMENT MENU CALIBRATION MENU TEST MENU INTERFACE MENU TREND SELECT MENU EVENT LOG INSTRUMENT STATUS SYSTEM TEMPERATURES SYSTEM FAULTS MENU press the Select key to enter the MAIN MENU Figure 2 8 Main Menu Each of the menus listed in Figure 2 8 except the final four has one or more levels of menu items contained within
63. cell contains zero air It is assumed that all conditions of the system except for the contents of the absorption cell are identical during measurement of I and Io The quantities defined above are related by the Beer Lambert absorption law acl I Transmittance e I Equation 3 1 where absorption coefficient of at 254 nm 308 4 cm at 0 C and 760 torr 760 torr 101 kPa c O concentration in atmospheres 1 optical path length in cm In practice a stable O generator is used to produce O concentrations over the required range Each O concentration is determined from the measurement of the transmittance I Io of the sample at 254 nm with a photometer of path length and calculated from the following equation 1 I c atm al inc or 3 4 98117600 Rev B CHAPTER 3 CALIBRATION Equation 3 2 The calculated O4 concentrations must be corrected for losses which may occur in the photometer and for the temperature and pressure of the sample 3 2 1 2 Applicability This procedure is applicable to the calibration of ambient air O analyzers either directly or by means of a transfer standard certified by this procedure Transfer standards must meet the requirements and specifications set forth in Calibration Reference 2 3 2 1 3 Apparatus 98117600 Rev B A complete UV calibration system consists of an ozone generator
64. cording facilities of the EC9811 This data can latter be retrieved using the Ecotech data downloading software mentioned in section 4 6 AVERAGE DATA If the average data is set to off no average data is recorded If it is set to on then the average data displayed on the primary screen is recorded The averaging period of this data is set in the MEASUREMENT MENU INST DATA The INST DATA option allows you to select either off where no data is recorded or record instantaneous data with the following intervals 1 HOUR 30 MINUTES 10 MINUTES 5 MINUTES 3 MINUTES OR 1 MINUTE TOTAL CAPACITY When either of the above are set to on the amount of free memory available for data logging will be displayed in days This indicates how much data can be stored before the earliest data will start to be overwritten Inst Data Total Capacity min days 2 34 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION ERASE LOGGED DATA When yes is selected and enter is pressed all the logged data will be erased 2 5 10 Network Adaptor Menu The Network Adaptor Menu allows the user to enter or change the address Netmask and Gateway NETWORK ADAPTER MENU I P ADDRESS 0 0 0 0 NETMASK 0 0 0 0 GATEWAY 0 0 0 0 2 5 11 Trend Select Menu TREND SELECT MENU is the graphic display of the parameters listed TREND SELECT MENU CONCENTRATION AVG CONCENTRAT
65. ctor A 112 CO Linearisation Factor B 113 CO Linearisation Factor C 114 CO Linearisation Factor D 115 CO Linearisation Factor E 116 Instrument Units 0 PPM 1 PPB 2 PPT 3 mG M 4 uG M 5 06 117 Background Measure Time In seconds 118 Sample Fill Time In seconds 119 Sample Measure Time In seconds 120 Aux Measure Time In seconds 121 Aux Sample Fill Time In seconds 122 Background Fill Time In seconds 123 Zero Hill Time In seconds 124 Zero Measure Time In seconds 125 Span Fill Time In seconds 126 Span Measure Time In seconds 127 Span Purge Time In seconds 128 Background Pause Time In seconds 129 Background Interleave Factor In seconds 130 Calibration Pressure 2 131 AUX Instrument Gain 132 Background voltage 133 AUX Background Voltage 134 O3 Generator Output PPM 135 O3 Generator On Off 136 Calibration Point 1 PPM 137 Calibration Point 2 PPM 138 Calibration Point 3 PPM 139 Calibration Point 4 PPM 140 Calibration Point 5 PPM 98117600 Rev B 4 5 EC9811 ANALYZER OPERATION MANUAL 141 Desired Pump Flow SLPM 142 Actual Pump Flow SLPM 143 Set Lamp Current 144 Lamp Current mA 145 Cycle Time Minutes 146 Analog GND Offset Volts 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Appendix B Failure Status descriptions The failure status codes provided by the 9800 downloader are described b
66. d PUMP FLOW Or LAMP CURRENT the duty cycle DAC is set for maximum current output if the instrument is in MANUAL calibration and CAL MODE is sP1 through SP5 The ozone output is determined by the amount of UV light absorbed by oxygen in the ozone producing cell The cell is designed so the lamp bulb may be screened from some of the oxygen and provide a coarse adjust of ozone output The procedure for adjusting the generating lamp is given in the EC96511 Service Manual To set the ozone producing lamp current enter the CALIBRATION MENU From the CALIBRATION MENU select the 03 GENERATOR MENU From the 03 GENERATOR MENU select the 03 GEN SETUP MENU Move the cursor to LAMP CURRENT and press the Select key The increment or decrement key can be used to change the lamp current Lamp current is shown as a percentage increase of its nominal value of 4 mA A percentage display of 096 is nominally 4 mA and a percentage display of 10046 is nominally 8 mA 2 6 2 4 Ozone Generator Self Calibration Self calibration of the ozone generator is a process where the microprocessor measures the ozone output for equally spaced duty cycle DAC outputs and fits a straight line through the measured values using linear regression This line is then used to produce selected ozone output values When the instrument is programmed to self calibrate the ozone generator it will automatically go to sPAN mode mon
67. d be less than 50 VDC and the current sunk by each output should be 50 mA If the internal 12 V supply is used the total current drawn must be kept to less than 50 mA or damage to the analyzer will result 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Figure 4 1 Status Output Connections 4 2 Serial Control Two modes of operation are available using the serial interface These modes are Terminal and Command In Command mode a library of commands becomes available These are listed at the end of this chapter In Terminal mode the instrument communication is through the analyzer menu structure 4 2 1 Serial Connections The EC9811 has two tristate RS232 ports on the rear of the analyzer The tristate RS232 causes all instruments not addressed to turn off their transmission capability until the next activation command is received Communication among devices is defined in terms of Data Terminal Equipment DTE and Data Communication Equipment DCE per the EIA standard RS232 Communication among devices is defined in terms of Data Terminal Equipment DTE and Data Communication Equipment DCE per the EIA standard RS232 98117600 Rev B 4 5 EC9811 ANALYZER OPERATION MANUAL 4 2 2 Cable Connections DIE RS232 PORI e g computer DAS connect If you have a 25 pin DCE RS232 PORT e g modem or terminal connect If you have a 25 pin Your 25 9800 Your 25 9800 pin DTE 9 pin rear pin DCE 9 pin
68. d from 40 CFR Part 50 Appendix D Before beginning a multipoint calibration of the instrument a qualified service technician must perform the periodic maintenance procedures in the EC9811 Service Manual especially checking the particulate filter The INSTRUMENT STATUS and SYSTEM TEMPERATURES screens in the EC9611 Service Manual give the ranges for correct operation of the instrument Note Calibration can only be performed correctly when the instrument is stable and has been powered up for at least three hours 3 3 EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 2 1 Photometric Analysis Calibration Procedure 3 2 1 1 Principle The calibration procedure is based on the photometric analysis of ozone O3 concentrations in a dynamic flow system The concentration of in an absorption cell is determined from a measurement of the amount of 254 nm light absorbed by the sample This determination requires the knowledge of the absorption coefficient a of at 254 nm o the optical path length 1 through the sample o the transmittance of the sample at a wavelength of 254 nm o the temperature T and pressure P of the sample The transmittance is defined as the ratio I Io where I is the intensity of light which passes through the cell and is sensed by the detector when the cell contains an O sample and Io is the intensity of light which passes through the cell and is sensed by the detector when the
69. d is null if it does not apply to the analyzer type Command DTREND Function Dumps the requested trend buffer to the serial port Format DTREND DEVICE I D gt 1 1 lt PARAMETER gt TERMINATOR where PARAMETER GASCONC for the last 100 instantaneous O3 readings GASAVG for the last 100 averaged O3 readings PRESSURE for the last 100 cell pressure readings LOW for the last 100 flow readings EF for the last 100 reference readings PANCMP for the last 100 span compensation readings from AZS cycles ERO for the last 100 zero readings from AZS cycles ZA Hj Device response INDEX SPACE PARAMETER CR LF Where INDEX is the index into the trend buffer 0 oldest point Formatted as an integer PARAMETER is the requested data in floating point format Command DZERO Function Commands the unit under test to enter the zero mode and stay there Format DZERO DEVICE I D gt TERMINATOR Device response lt ACK gt if the unit under test is able to perform the command lt NAK gt if not Command PINID 98117600 Rev B 4 21 EC9811 ANALYZER OPERATION MANUAL Function Programs the 50 pin device ID Format PINID DEVICE I D gt 1 1 BBBBBBBB TERMINATOR where BBBBBBBB is the desired bit pattern in binary format to be programmed into the device ID The
70. d may be changed by the microprocessor returning the parameters to the previous settings The display reads 0 000 PPM until actual operation begins however all screens can be observed BACKGROUND MEASURE Zero reading from measurement cell Final determination of system zero E ME SAMPL ASURE Instrument operational must be calibrated if this is the first power up sequence The microprocessor continuously adjusts the instrument for lamp warm up Once a stable value of 3 9 to 4 0 v has been reached the analyzer begins measuring ozone The readings may be noisy at first but will become quieter with time You can expect all specifications to be met within four hours of a cold start up Note The EC9811 will re run the above start up routine whenever power has been lost for more than two minutes If power is lost for less than two minutes the analyzer will return to its previous settings without the start up routine 2 3 Operation The operation section describes the actions necessary to operate the instrument first in general then in specific terms In section 2 5 the menu headers are shown as they appear on the display screen The illustration is followed by explanatory information regarding the menu entries or choices The entire menu tree is shown in Figure 2 6 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 3 1 General Operation Information All operator responses
71. d the use the increment or decrement keys to change the cycle time Press the Enter key when the desired value is reached EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 4 2 Description of AZS Process The instrument will initiate a full zero span cycle starting at the prescribed hour The valve to admit zero air will be opened and the sample valve closed The instrument will allow the cell to fill with the gas for 10 minutes During the first 2 minutes no data is taken but the display and outputs are updated with the actual instrument reading During the last 8 minutes the instrument takes readings every second and averages them to yield a value to be stored as the zero calibration value This value is for user reference only and is never used by the analyzer to compensate readings At the end of 10 minutes the zero air valve is closed and the span gas valve is opened admitting the span gas for 10 minutes During the first 2 minutes no data is taken but the display and outputs are updated with the actual instrument readings During the last 8 minutes the instrument takes readings every second and averages them to yield a value to be stored as the span calibration value If SPAN COMP is set to ENABLED this is the value which is used to correct all subsequent readings to the calibration The zero air valve is switched on for 2 minutes to purge the cell of span gas The sample valve is then activated for a
72. de The remote mode allows the user to access the current menu screen in the analyser and remotely control the analyser through the menus The buttons on the left substitute the Up Down Select Pg Up Back Exit and Enter keys within the analyser ECOTECH World class Air amp Water Monitoring REMOTE MODE Current Readings 075 sus PPM AVG Remote Mode 40 25 075 PPM Download AVG 000 000 PPM AVG Contact Us ADJUST HIGH VOLTAGE START UP SEQUENCE ACTIVE INSTRUMENT GAIN 0 961 10 3 14 DpRC f14 Applet Screen started Figure 8 Remote Mode Window The keyboard can also be used to control the menu with the following keys Table 1 Keyboard key and there commands Keyboard Key Menu Function Up Key Up Down Key Down Left Key Pg Up Back Right Key Select Home Key Exit Function Key 5 F5 Refresh IMPORTANT When the window is left and an another program is used the other program takes control of the keyboard In this situation when you return to 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION the remote mode window the keyboard will not work The keyboard will be reactivated when one of the buttons on the Applet is selected with the mouse NOTE To access the Hidden menu press the H key then click the refresh button with the mouse immediately 4 7 3 Download The download option gives the user the possibility of downloading the logged d
73. dition to zero air The sequence is as follows zero air first followed by span point 1 span point 2 and so on A span point selected as 0 000 ppm is treated in a special way A 0 000 ppm span point is used to indicate the sequence end The span point preceding 0 000 ppm will be the last output before the analyzer returns to sample gas For example suppose you want a two point cycle a zero point and one span point of 0 400 ppm Select span point 1 as 0 400 ppm and span point 42 as 0 000 ppm It is not necessary to program a point of 0 000 unless you wish to limit the number of points Also the points must be input in order of decreasing or equal concentration If you enter point 1 as a smaller concentration than the following points all of the following points will be set to that concentration When span compensation is ENABLED from the CALIBRATION MENU span point 1 is used as the correct ozone value for span gas Refer to Chapter 3 To set the AZS span points enter the CALIBRATION MENU From the CALIBRATION MENU select the 03 GENERATOR MENU From the 03 GENERATOR MENU select MULTIPOINT MENU and POINT 1 within it Press the Select key and then use the increment or decrement keys to change the output Press the Enter key when the desired value is reached Repeat this procedure for the remaining points From the previous menu Calibration timed set the time per cycle Select CYCLE TIME Press the Select key an
74. e data should the data exceed full scale of the original range The setting of over range has no impact on the measurement range of the analyzer it only affects the analog output scaling 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION With over ranging enabled as the concentration reaches 90 of the full scale value for the selected output range the software generates a positive spike that takes the indicator from the 90 position to the 100 position The output data is then scaled for the full scale chosen for over range As the output drops back to 80 of the original full scale the software generates a negative spike from the displayed value to zero The output then reverts to the original range See Figure 2 31 for an example of over range on a typical strip chart recorder Figure 2 31 Over Range as Seen on a Strip Chart Recorder The range value should generally be set first However because the range value must be less than the currently selected over range value it may be necessary to increase the over range value to the desired setting first The over range value is limited to be equal to or greater than the currently selected range value For practicality it is recommended that the over range be set to a value between 2 and 5 times the range value For example if the desired monitoring range is 0 2 ppm the over range should be set between 0 4 ppm and 1 0 ppm Certain precautions must be taken when over rangi
75. e dialog box to access that tab 4 6 3 1 Output Tab This function sets the options for the text file the program downloads data to Output file Enter the path and filename of the text file that the EC9500 Communicator will write acquired data to Clear the text box if a text file is not required If the file exists 4 30 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Choose Append to have the data added to the end of an existing file choose overwrite to have an existing file overwritten or choose Prompt to have the user prompted before writing to an existing file Date format Choose the date time format or the user can select their own in which to record the date and time of the analyzer data 4 6 3 2 Connection Tab This function sets the options for the communication connection between the computer and the direct serial connection modem connection or USB Connection type Choose the type of connection to communicate with the analyzer The choice changes the other options available in this tab 4 6 3 2 1 Direct Serial Connection Port Choose the COM port on the computer where the serial cable is connected Connect the other end of the serial cable to the analyzer Baud rate Choose the baud rate that has been set on the analyzer 4 6 3 2 2 Modem Connection Connect using Choose from the list of modems detected from the computer Phone Enter the phone number to which the analyzer is connected 4 6 3 2 3 USB C
76. e digital pots When CONTROL LOOP is ENABLED the microprocessor will take control of the pots at the point at which the pots were last set CONTROL LOOP will be set to ENABLED when the primary screen is displayed ZERO SOURCE Allows the operator to choose STANDARD or CHECK When STANDARD is selected the instrument is in normal operation When CHECK is selected the instrument is ready for Ozone scrubber test This option is only available in the A series 98117600 Rev B 2 25 EC9811 ANALYZER WITH IZS OPERATION MANUAL TEST MEASURE Software controlled pot that is used by technicians when troubleshooting or verifying correct instrument performance This option only appears when the diagnostic mode is setto OPTIC ELECT or PREAMP 03 Gas concentration reading during diagnostics This option only appears when the diagnostic mode is setto OPTIC ELECT or PREAMP 2 5 6 1 Output Test Menu OUTPUT TEST MENU PREPROCESSOR POTS FLOW CONTROL POTS VALVE TEST MENU Figure 2 15 Output Test Menu The ourPUT TEST MENU reports readings for digital potentiometers and valves The FLOW CONTROL POTS menu does not appear on the B series analyzer 2 5 6 1 1 Preprocessor Pots Screen PREPROCESSOR POTS MEASURE COARSE ZERO MEASURE FINE ZERO INPUT TEST MEASURE LAMP ADJUST REF VOLTAGE 3 806 VOLTS 03 0 065 PPM CONC VOLTAGE 1 514 VOLTS LAMP CURRENT 10 024 M
77. e e me 2 3 Illustrations Output Test 2 26 Illustrations Over Range as Seen on a Strip Chart ae star teretes 2 47 Illustrations Preprocessor Pots Menu 2 26 Illustrations Primary Screen 2 16 Illustrations Strip Charts Illustrating Offset 2 46 Illustrations System Faults Screen 2 38 Illustrations System Temperature Screen 2 37 Illustrations Test Menu eeeenne 2 25 Illustrations Timed Calibration Menu 2 21 Illustrations Typical UV Photometric Calibration SYSTEM Aisi eiecti e Oe teens 3 6 Illustrations Typical UV Photometric Calibration System Option 1 3 11 Illustrations Valve Test Menu 2 28 Tr tal ath OD ccs cree d ie ere eee ree gs 2 1 Instrument identifiers sesessssss 4 14 Instrument Menu sees 2 17 98117600 Rev B Instrument Menu illustration 2 17 Instrument Status 2 36 Instrument Status Screen illustration 2 36 Interface 2 31 Interface Menu illustration 2 30 2 31 Internal ozone sesseseeeereeneren 2 44 K Keyboard functions ssssssssseses 2 11 M Main Menu cccccceseesecesseeessecesec
78. easing concentration Refer to Section 3 4 1 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 5 6 Test Menu TEST MENU OUTPUT TEST MENU DIAGNOSTIC MENU CALCULATION FACTORS MEASUREMENT GAIN 8 PRES TEMP FLOW COMP ON DIAGNOSTIC MODE OPERATE CONTROL LOOP ENABLED Figure 2 14 Test Menu The TEST MENU includes a series of submenus containing information and control settings for testing and verifying instrument functions The operator may make changes to settings however when the instrument is returned to normal operation the instrument s automatic control function resumes Changes made from this menu are for diagnostic and test purposes only MEASUREMENT GAIN Entries are software controlled settings of 1 2 4 8 16 32 64 and 128 PRES TEMP FLOW COMP Set either ON or OFF OFF is used when running diagnostics to see fluctuations in readings oN is used to compensate for environmental fluctuation that might affect readings DIAGNOSTIC MODE Allows the operator to choose OPERATE OPTIC ELECT Or PREAMP During measurement set to OPERATE During diagnostic testing set to the desired system to be diagnosed CONTROL LOOP Allows the operator to choose ENABLED Or DISABLED When ENABLED is selected the microprocessor maintains control of the digital pots when DISABLED is selected the microprocessor does not control the digital pots and the user can manually adjust th
79. ed by the UV Detector PCA This voltage indicates the UV lamp intensity CONC VOLTAGE Voltage from the preprocessor proportional to the measurement signal This voltage is represents the actual measurement of gas ANALOG SUPPLY 12 volt primary power supply DIGITAL SUPPLY 5 volt microprocessor power supply LAMP CURRENT UV lamp power supply current VERSION Indicates the current firmware version installed in the Microprocessor 2 5 14 System Temperature Screen SYSTEM TEMPERATURE CELL TEMP 32 1 DEG C LAMP TEMP 50 9 DEG C CHASSIS TEMP 35 1 DEG C FLOW TEMP 50 0 DEG C Figure 2 28 System Temperature Screen The SYSTEM TEMPERATURES display is information continuously generated by the microprocessor CELL TEMP Temperature of the reaction cell LAMP TEMP Temperature of the heated block surrounding the UV measurement lamp CHASSIS TEMP Temperature of air inside the chassis measured on the Microprocessor PCA FLOW TEMP Temperature of the flow control pressure board 98117600 Rev B 2 37 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 5 15 System Faults Screen SYSTEM FAULTS CELL TEMPERATURE PASS SAMPLE GAS FLOW PASS FLOW BLOCK TEMP PASS A D INPUT PASS 12 VOLT SUPPLY PASS REFERENCE VOLTAGE PASS LAMP CURRENT PASS LAMP TEMP PASS Figure 2 29 System Faults Screen The SYSTEM FAULTS display provides a start pass or fail indication for various parameters
80. eference File Path In this field the file name and path where the data is to be saved should be specified either by typing the path name or by using the browse button When typing the file name put the extension either txt or csv NOTE By default the path is c test EC9800 txt if you do not have a folder named test and select download this would cause an error When all the options are set the download can start by selecting the Download Button A dialog window will prompt to inform that the download data process may take several minutes after that the status bar will show the current data being written to the file Status Downloading 2004 12 14 11 08 WE 3 Figure 10 Status Downloading bar When the downloading process is finished a dialog window pops up to inform that the download has been successfully completed The file should then be saved in the current directory 4 7 4 Firmware Update for the Network Interface The firmware in the network adapter consist of two files the cobox rom and Ecotech cob both of this files need to be loaded into the network adapter to load the files get into the command window and use the following instruction tftp i instrument IP address PUT file path gt cobox rom X2 Wait for 20 seconds and then use the following instruction to load the COB file tftp i instrument IP address gt PUT file path gt Ecotech cob WEBI 98117600 Rev B 98117600 Rev B CHAPT
81. eld Use the Select key to select the digit to be changed and the Up or Down arrow keys to change the value Note The zero calibration value may be set to any value between 0 009 and 40 009 ppm However any zero offset will be reflected in both the display ozone reading and the output recording device Set the zero calibration value first before setting the span value When the value is set press the Enter key to confirm the value Record the final stable zero air response and press the Exit key twice to return to the initial screen Generate an concentration standard of approximately 80 of the analyzer s full scale range Allow the analyzer to sample this O concentration until a stable response is obtained Use the Select key to initiate the query START MANUAL CALIBRATION Choose span and confirm by pressing the Enter key The cursor now appears in the SPAN CALIBRATION field Use the lt Select gt and Up and Down arrow keys to input the O span point concentration Use the Select key to select the digit to be changed and the Up or Down arrow key to change the value Press Enter to confirm the input value Record the O concentration and the analyzer s stable response Move the cursor to the INSTRUMENT GAIN field Check to see that the displayed value is within the recommended range 0 75 to 1 25 and record for future reference Press Enter to return to the initial screen 3 2 1 5 5 Option
82. elow Each of the 4 units of the code represent a column below the description within the box of the corresponding unit explains the failure status of various components if any and more detailed descriptions are outlines below the table Unit 1 Digit 277 Digit 377 Digit 4 Digit 0 NO FAILURE NO FAILURE NO FAILURE GRAV 1 CHOPFAIL REFFAIL ZEROON GRAV 2 LAMPFAIL HEATERFAIL OUT OF SERVICE VOL 3 CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE 4 FLOWFAIL COOLERFAIL HV FAIL GRAV B CHOPFAIL REFFAIL ZEROON GRAV FLOWFAIL COOLERFAIL HV FAIL 6 LAMPFAIL HEATERFAIL OUT OF SERVICE VOL FLOWFAIL COOLERFAIL HV FAIL 7 CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE FLOWFAIL COOLERFAIL HV FAIL 8 SYSFAIL CVFAIL PS FAIL GRAV SPANON 9 CHOPFAIL REFFAIL ZEROON GRAV SYSFAIL CVFAIL PS FAIL SPANON A LAMPFAIL HEATERFAIL OUT OF SERVICE VOL SYSFAIL CVFAIL PS FAIL SPANON B CHOPFAIL REFFAIL ZEROON VOL LAMPFAIL HEATERFAIL OUT OF SERVICE SPANON SYSFAIL CVFAIL PS FAIL S FLOWFAIL COOLERFAIL HV FAIL GRAV SYSFAIL CVFAIL PS FAIL SPANON D CHOPFAIL REFFAIL ZEROON GRAV FLOWFAIL COOLERFAIL HV FAIL SPANON SYSFAIL CVFAIL PS FAIL E
83. erminate the connection as per step 2 below and reconnect 9800 Data Downloader 10 x Comm Mode x L A 9 y L Setect 4 Po Up 4 Exit L Connected com Figure 4 6 Remote Terminal 4 6 2 2 Ending a Remote Terminal mode session Controlling the analyzer by remote terminal automatically sets the analyzer to Remote mode Note 98117600 Rev B 4 29 EC9811 ANALYZER OPERATION MANUAL It is advisable that the user always returns the analyzer to Command mode at the end of the remote terminal session so that other users may download data To end the remote terminal session 1 Set the Interface Mode option on the Interface Menu to Command For detailed instructions on how to do this see section 4 6 2 3 2 Terminate the connection by selecting the Stop option on the Comm menu 4 6 2 3 Setting the analyzer to Command mode during a Remote Terminal session 1 Click exit repeatedly to display the analyzer s start up window Main Menu should be highlighted 2 Click enter to enter the Main Menu 3 Click up or down until Interface Menu is highlighted 4 Click enter to enter the Interface Menu 5 Click up or down until Interface Mode is highlighted 6 Click select 7 Click up or down to change the interface mode to Command 4 6 3 Settings Open the Settings dialog box by either clicking the button choosing the Comm Settings menu option or by pressing F2 Click on one of the icons on the left of th
84. ero mode Bit3 instrument is in span mode Bit2 unused sEToPPM selected CLEAR gt MG M3 BitO reserved LSB Command DEVENT Function Dumps the Event Log message buffer to the serial port 98117600 Rev B 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Format DEVENT DEVICE I D gt TERMINATOR Device response XX Message XX lt CR gt lt LF gt OCCURRED AT HH MM DD MON YY lt CR gt lt LF gt where The last 100 messages are reported xx is the index into the event log message buffer 99 oldest point reported first 0 newest point The message field is null if no message exists Command DGAIN Function Dumps instrument gain data and zero offset to the serial port Format DGAIN DEVICE I D gt TERMINATOR Device response INSTRUMENT GAIN ZERO OFFSET lt CR gt lt LF gt Command DINSTR Function Dumps the INSTRUMENT STATUS MENU variables to the serial port Format DSTATUS lt DEVICE I D gt TERMINATOR Device response STAT1 STAT2 STAT3 STAT4 STAT5 STAT6 STAT7 STAT8 STAT9 STAT10 STAT11 STAT12 lt CR gt lt LF gt where gas flow ground offset ozone generator flow STAT1 STAT2 gas pressure STAT3 reference voltage STAT4 concentration voltage STAT5 analog supply ST
85. ero pev e a 1 2 TE Zero Drifts ERE 1 2 DLE SPAM DE 1 3 E A N 1 3 1 1 7 Rise Fall Time 95 of Final Value 1 3 T I o PreetsiOns s ee Re epe RU bata GE V Sa bu EEN Rao eripe ei er eem 1 3 LRI Sample FLOW we terea pee erm ete pee E Re E rte egeo ds 1 3 1 10 Sample Pressure Dependence eiue aq etu Rp ea peed eae 1 3 1 1 11 Ozone Generator Flow Rate esee entente tnne entere nenne arse eene a 1 3 LTT 2 Ozon xOutput aei te e terii tr iter RE rrr 1 3 LAD AD Temperature Rante eee etti S Ret eR dps e eet ve egere hene ee oe epe 1 4 PENDET 1 4 Weightzst vas Saeco ba nna IRR ER a va eae Gs Sade a gs quaqua n a da 1 4 TE To Analog EE orna re ERE RENS 1 4 LAAT Digital Output aeg b atune uenire Pb a tag EE dee 1 4 1 2 U S EPA EQUIVALENT METHOD cccccosssssesnccsccecsensnsncceccecesnsnsnessccscesnsnnnesseesceensnnceesecscsessnncecseescesssnesecescs 1 4 2 0 INSTALLATION AND OPERATION vsssssssssssescsssoscosscsssescssecssnnsseetessossevencsonsessnsssosessonessbssevonneseaxesnsssssaseneesss 2 1 2 Il MECHANICAL INSTAELATION ipe iere em erre mr URP ODE 2 1 2 1 T Selecting d Locatiohzs e eet edt e a e e t dte ems 2 1 251 2 CORRECTIONS oed e a e ceo pod ue a te up dos Be ee P ooo dee ceto des 2 1 2 22AC POWER CONNECTION
86. ers sent to the LCD instrument display will also be sent to the terminal The terminal keys will map into the front panel keys as follows 4 6 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Key Key Label Function Enter ENTER enter 7 HOMI exit 9 PG UP page up UP ARROW 8 up 2 DOWN ARROW T 6 RT ARROW Giet The Terminal mode must not be used if the multidrop port is daisy chained to other instruments The mode may be changed using the INTERFACE MENU through the INTERFACE MODE menu selection When in Terminal mode this choice may be made manually or through the serial port The mode may be changed from Command to Terminal through the serial port using the REMOTE command For information on required communication parameters refer to the REMOTE command in section 4 4 5 2 4 4 Serial Command Control When in the Command mode two command sets are available These are the 9800 command set and the Bavarian Network command set The 9800 command set is recommended for general use The Bavarian Network command set was set to support a specialized network in Bavaria Additionally three communication protocols are provided to allow the user to specify the different handshaking based on their requirements 4 4 1 9800 Command Set Format 98117600 Rev B All 9800 commands follow the command format as specified in this section The specific 9800 commands and their functions are described in section 4
87. eseceeneeeeeeeeeneeeeee 4 12 Event Log screen ette 2 36 Event Log Screen illustration 2 36 External ozone eee ee etre eee 2 44 F Filter Type eee nt 2 40 I Illistration Generator Menu 2 23 Illustrations 50 Pin Connector Board with Sample Choices Rear 2 4 Illustrations Analog Output Menu 2 34 Illustrations Analog Output Menu Current Output mE 2 32 Illustrations Analog Output Menu Voltage Output 2 33 Illustrations Analyzer Front Panel 2 9 Illustrations Analyzer 2 11 Illustrations Analyzer Rear Panel 2 2 Illustrations Cable Connections 4 6 Illustrations Diagnostic Menu 2 29 Illustrations Event Log Screen 2 36 Illustrations Instrument Menu 2 17 Illustrations Instrument Status Screen 2 36 Illustrations Interface Menu 2 30 2 31 Illustrations Main Menu er 2 17 Illustrations Manual Calibration Menu 2 22 Illustrations Measurement Menu 2 19 Illustrations Menu Structure 2 15 Illustrations Optional 50 Pin Connector Board ee
88. eseeceseeseseenee 2 17 Main Menu illustration 2 17 Manifold Connections sees 2 7 Manual Calibration 2 22 Manual Calibration Menu illustration 2 22 Measurement 2 19 Measurement Menu illustration 2 19 Menu Structure illustration 2 15 Multidrop communications suse 4 13 Multipoint calibration sseeeeeeee 3 3 Multipoint calibration with over ranging 3 16 Current Output Menu eee eee 2 32 O Generator Menu Illistration 2 23 Voltage Output Menu esses 2 33 Offset adjustment esee 2 46 ODperatioti i ed eee Re edi 2 10 Optional 50 Pin Connector Board Front illustration 2 3 Original protocol cscs ceeseceseeeeeseeeeeseeneeeeens 4 10 Output Test Men s reari an 2 26 Output Test Menu 2 26 Over range 2 46 Over Range as Seen on a Strip Chart Recorder llustration esee 2 47 Qver f ngllg eret ere eres 3 16 OZONE generator crece ette 2 40 P Password protection sese 2 49 Preprocessor Pots Menu illustration 2 26 Preprocessor Pots screen
89. ffect both measured intensities The EC9811 ozone analyzer includes a built in ozone generator which may be used as a calibrated ozone source for other ozone analyzers or as a source for zero and span checks for the EC9811 when it is used as an analyzer This ozone generator can supply approximately 1 ppm of ozone at four liters per minute or higher concentrations at reduced flow Flow is regulated using a variable speed pump and a mass flowmeter The system is under the control of the EC9800 series microprocessor module Software algorithms handle all internal adjustments continuously perform diagnostics indicate errors display status and make calculations of ozone concentration The only operator functions are to perform routine maintenance of the pneumatics and periodically verify calibration of the unit The microprocessor continuously monitors the source and many other parameters making adjustments as necessary to ensure stable and accurate operation In addition to temperature and pressure compensation the EC9811 analyzer can readjust its span ratio based on a known concentration of gas used to span the analyzer This feature is not automatically implemented and must be selected by the operator Analog and digital outputs are available for data monitoring and the analog output may be selected as either a current output or voltage output Current ranges are 0 20 mA 2 20 mA or 4 20 mA Voltage outputs are 0 10V 0 5V 0 1V and 0 0 1V
90. figured parameters will return to their default values In addition all instrument calibration will be lost so the analyzer will have to be fully recalibrated This feature is provided for service and for preliminary configuration purposes Please do not choose this selection during normal operation This feature is provided for service and for preliminary configuration purposes Please do not choose this selection during normal operation MAIN GAS ID The ID address of the analyzer when Multidrop RS232 communications is used 2 18 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 5 4 Measurement Menu MEASUREMENT MENU UNIT SELECTION uG M3 DECIMAL PLACES E AVERAGE PERIOD 1 MINUTE FILTER TYPE KALMAN INSTRUMENT MODE ANALYZER OZONE FEEDBACK DISABLED NOISE 2 032 PPB ZERO OFFSET 0 00 PPB Figure 2 10 Measurement Menu The MEASUREMENT MENU consists of three items needed for basic operation and data integrity UNIT SELECTION PPM parts per million mc m milligrams per cubic meter nc v nanograms per cubic meter uc w micrograms per cubic meter PPT parts per trillion or PPB parts per billion Note If the gravimetric units are selected mG M nG M then the conversion factors listed below will apply depending on the CONVERSION TEMP selected To convert 1 PPB Gas to ug m 0 C 20 C 25 Multiply by No
91. following steps Remove the 50 pin connector board from the rear panel of the analyzer Place the jumpers on the pins that correspond to the desired printed selections on the front of the board If current is selected only the jumpers selecting current make contact with both rows of pins The other jumpers are offset as shown in Figure 2 3 If a current output is selected the range must also be chosen from the menu when the instrument is operating The compliance voltage for the current output is 12 V A terminating resistor of 600 ohms or less should be used for measurement errors no greater than 1 If voltage output is selected both the REC and pas outputs are factory set for 10 volts full scale Other full scale outputs of 5 V 1 V and 0 1 V can be selected Select the full scale output for REC and pas When using voltage output the source resistance for both REC and pas outputs is 1000 ohms The recorder and DAS input resistance should be greater than 500K ohms for a measurement error no greater than 1 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 3 Connect the recorder or DAS wires to the appropriate terminal block The wire positions are OUT positive or signal COM ground or low SHLD shielded cable Caution To prevent ground loop problems connect the shield of the cable at the analyzer only not at the recorder or DAS For additional information regarding output see section 2 6 2 1 2 1 2
92. full scale whichever is greater 1 1 3 Lower Detectable Limit o Measurement process Less than 0 5 ppb or 0 2 of concentration reading whichever is greater with Kalman filter active o Analog output 0 5 ppb or 0 2 of analog output full scale whichever is greater 1 1 4 Zero Drift o Temperature dependent 1 0 ppb C o Time dependent at fixed temperature o 24 hours Less than 1 0 ppb o 30 days Less than 1 0 ppb 98117600 Rev B CHAPTER 1 DESCRIPTION 1 1 5 Span Drift o Temperature dependent 0 1 per C o Time dependent at fixed temperature 24 hours 0 596 of reading g 30 days 0 596 of reading 1 1 6 Lag Time Less than 20 seconds 1 1 7 Rise Fall Time 9596 of Final Value Less than 60 seconds 0 5SLPM flow with Kalman filter active 1 1 8 Precision 1 ppb or 1 of reading whichever is greater 1 1 9 Sample Flow Rate 0 5 slpm 1 1 10 Sample Pressure Dependence A 5 change in pressure produces less than a 1 change in reading 1 1 11 Ozone Generator Flow Rate o Range 1 to 5 slpm o Accuracy 5 of reading 1 1 12 Ozone Output o Range 0 04 to 1 ppm at 4 slpm o Stability Feedback ON 0 001 ppm 1 of reading Feedback OFF 0 001 ppm 3 of reading o Repeatability Feedback ON 0 001 ppm 1 of reading Feedback OFF 0 001 ppm 3 of reading o Time stability 98117600 Rev B 1 3 EC9811 ANALYZER WITH IZS OPERATION MANUAL Feedback ON 0
93. g information Your name and telephone number Your company name with shipping address The number of items being returned The part number of each item The model number or a description of each item The serial number of each item if applicable A description of the problem you are experiencing if factory repair is needed or the reason you are returning the equipment e g sales return warranty return etc The original sales order number or invoice number related to the equipment 9 Whether repair work is under warranty or is to be billed and a purchase order number for any work to be billed oe pau a When you call in our Customer Service Representative will assign a Return Material Authorization RMA number to your shipment and initiate the necessary paperwork to process your equipment as soon as it reaches us Please include this RMA number when you return equipment preferably both inside and outside the shipping container This will ensure that your equipment receives the most prompt attention possible If the RMA number is not marked on the outside of the shipping container the shipment will be rejected when it reaches our facility and returned at your expense Your assistance in this matter will enable us to serve you better We appreciate your cooperation and support of our products and services 6 98117600 Rev B FRONT MATTER Claims for Damaged Shipments and Shipping Discrepancies Damaged Shipment 1 Inspect a
94. he screen are auto refreshed every 5 seconds and multiple users are able to view the current values simultaneously 98117600 Rev B 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION ECOTECH World class Air amp Water Monitorin CURRENT READINGS tome EC9841A NOx Analyser Standard Current Readings RemateiMade 75 08 0 0 75 08 Download Primary Gas Concentration Secondary Gas Concentration Calculated Gas Concentration Contact Us 75 07 0 0 75 07 Primary Gas Average Secondary Gas Average Calculated Gas Average 0 96 Instrument Gain Gas Concentrations Instrument Temperature Instrument Status Annlek Rearlinns started Figure 7 Current Readings window The parameters are grouped in three main categories Gas Concentration Instrument Temperatures and Instrument Status The gas concentrations group shows the current concentration average concentration and instrument gain The Instrument temperature group shows the relevant current temperatures for the instrument e g the standard EC9841 NO analyser would show Cell Temperature Conversion Temperature Chassis Temperature Manifold Temperature and Cooler Temperature Instrument Status is where all the voltage gas flow gas pressure and ambient pressure parameters are shown This group shows all of the parameters of the Instrument Status menu with in the instrument 4 33 EC9811 ANALYZER OPERATION MANUAL 4 7 2 Remote Mo
95. hould always pad with ASCII zero characters 98117600 Rev B 4 9 EC9811 ANALYZER OPERATION MANUAL 4 10 This is an example of a valid command to put the unit in the manual span mode if the instrument has an I D of 843 lt STX gt ST843 K lt ETX gt 52 The block check operation is best shown with the following table Character Hex Value Binary Block Check lt ETX gt 03 0000 0011 0101 0010 The binary block check value is 0101 0010 which is the hex value 52 as shown at the end of the command string 4 4 3 Protocol Definition and Selection There are three protocol selections available for the EC9811 via the INTERFACE MENU These are provided so the user may select the appropriate protocol for their desired application The first protocol designated original should be used when upgrading software in analyzers that are already in serial networks The original protocol is provided for back compatibility as it completely duplicates the protocol already in the field The second protocol provided is Bavarian The Bavarian protocol should be used with the Bavarian Network Command Set for any Bavarian network applications Note specifying the Bavarian protocol still allows the user to access the 9800 command set The third protocol provided is the enhanced protocol The enhanced protocol provides a more robust handshaking environment as specified in section 4 4 3 9 4 4 3 1 Original Protoco
96. iately or at some later time and repeated at a programmed interval To cause an immediate output from the ozone generator span points enter the CALIBRATION MENU From the CALIBRATION MENU select CALIBRATION MANUAL Select CAL MODE and push the Select key then use the increment or decrement keys to find cycLz When you push the Enter key the ozone generator will output a sequence of concentrations starting with zero and stepping through the programmed span points Refer to paragraph 3 4 1 To set up the ozone generator to perform repeated sequences of span point steps enter the CALIBRATION MENU From the CALIBRATION MENU select CALIBRATION TIMED Select TIMER INTERVAL and push the Select key then use the increment or decrement keys to set the desired interval Press the Enter key to store this value Select STARTING HOUR and push the Select key then use the increment or decrement keys to set the desired hour Press the Enter key to store this value At the selected starting hour the ozone generator will output a sequence of concentrations starting with zero and stepping through the programmed span points The sequence will be repeated at the timed interval Refer to section 3 4 1 2 8 Analog Output Analog output connections are described in section 2 1 2 1 above Before setting up the recorder and DAS analog outputs decide what offset and over ranging choices to make A brief explanation
97. inear regression uses the method of least squares to find the best straight line which fits a series of points This method minimizes the variance of the error from each point to the line of best fit Refer to discussion in Chapter 3 CALIBRATION Choices are INTERNAL Or EXTERNAL When INTERNAL is chosen zero air during an AZS cycle or manual zero is taken from internal scrubbed air When EXTERNAL is chosen zero air is taken from the EZS valve manifold zero air port 03 GEN MENU This choice displays the 03 GEN ERATOR M ENU Figure 2 13 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION O3 SPAN RATIO A microprocessor generated field that is used to correct the calibration value by multiplying the span reading SLOPE Computed from linear regression INTERCEPT Computed from linear regression DEVIATION The standard deviation from the linear regression points O3 CAL PRESSURE This is the measured ambient pressure during the last O3 calibration 2 5 5 2 1 O3 Generator Menu 98117600 Rev B When the 03 GENERATOR MENU item is chosen from the CALIBRATION MENU Figure 2 11or Figure 2 12 the following screen is displayed For an explanation of how this menu is used refer to section 2 6 2 tU LT UA PUME LA EAS PU E D Ot w Figure 2 13 Generator Menu GENERA
98. itor the current state of the analyzer and download data that has been logged to the internal FLASH memory 4 1 Discrete Control Two control inputs are available through the 50 pin I O connector They are DOZERO and posPaN These inputs will place the analyzer in either Zero mode or Span mode respectively the analyzer will remain in the selected mode while the input is active When these inputs are made active the analyzer will actuate the valve drivers selected in the CALIBRATION MENU for CALIBRATION INTERNAL EXTERNAL All other discrete connections are status outputs from the analyzer 4 1 1 50 Pin I O Functional Specification 98117600 Rev B The 50 pin connector on the back of the instrument will have functions assigned to pins per the following table Note 1 Signal Name Number Function TOUTS 2 Analog current output 3 Note 2 DOZERG 5 External input to put the instrument into the zero mode DOSPAN 6 External input to put the instrument into the span mode OVERANGE1 7 Active output indicates that analog output 1 has gone into over range OVERANGE2 8 Active output indicates that analog output 2 has gone into over range OVERANGE3 9 Active output indicates that analog output 3 has gone into over range ANAINI 10 Unused analog input 1 ANAIN2 11 Unused analog input 2 IOUTI 15 Analog current output 1 Note 3 IOUT2 17 Analog current output 42 Note 4 4 1
99. itor the ozone output After calibration is complete the instrument will go to MEASURE mode 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION To self calibrate the ozone generator enter the CALIBRATION MENU From the CALIBRATION MENU select the CYCLE TIME Press the Select key and then use the increment or decrement keys to change the cycle time Press the Enter key when the desired value is reached Next select enter the 03 GEN MENU and select O3 CALIB Press the Select key and then the Enter key The instrument will start an ozone generator self calibration A self calibration in progress can be aborted or the remaining step times can be changed e Changing the CYCLE TIME selection will change the time for all steps remaining except the one in progress e To abort a self calibration cycle go to the CALIBRATION MENU and change the CALIBRATION MODE from SPAN fO MEASURE 2 6 2 5 Ozone Feedback When OZONE FEEDBACK is ENABLED the instrument photometer is used to control the ozone generator output When OZONE FEEDBACK 15 DISABLED the generator output is determined by its most recent calibration values When the instrument is used as an analyzer feedback may be ENABLED or DISABLED depending upon operator preference In either case the generator is operating as a level two zero span check so it may not be used to calib
100. l This protocol is provided for back compatibility with pervious versions before Version 2 05 of 9800B software There are a number of idiosyncrasies in the original protocol that are preserved to allow existing applications to use upgraded software without modifying their interface 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION 4 4 3 2 Command Acknowledgment g g For 9800 style commands that provide a data response the data response itself is the acknowledgment For 9800 style commands that do not provide a data response the acknowledgment is the returned ASCII string O K For Bavarian Network commands no acknowledgment is returned 4 4 3 3 Negative Command Acknowledgment g For 9800 commands if a valid Instrument I D is received with an invalid command string the message INVALID COMMAND is sent For Bavarian Network commands no negative command acknowledgment is sent 4 4 3 4 Original Protocol Idiosyncrasies g g m Block check characters are not checked on Bavarian commands The lt STX gt character is ignored The lt ETX gt character is a valid termination for Bavarian commands even in the absence of a lt STX gt character The DA command will function without a serial I D The string DA lt CR gt is a valid command The zero padding on the response to the DA command contains six ASCH zeros instead of the standard ten ASCII zeros The data type must be sent on 9800 style comma
101. lds that allow input are of two types o Choice fields Contain a fixed series of choices in a wraparound scrolling format o Digit fields Fields of programmable digital parameters in either wraparound scrolling or non wraparound scrolling format To select from among the choices in a choice field first press the lt Select gt key to designate the field then use the Up and Down arrow keys to highlight the desired selection When the desired selection is displayed press the lt Enter gt key to confirm the entry To set digits in a digit field first press the lt Select gt key to designate the field and to highlight the different digits in the field When the cursor indicates the digit you wish to change press the Up or Down arrow key until the desired digit appears Go to the next digit by pressing lt Select gt When all digits of an entry are correct press the lt Enter gt key to confirm the entry Caution The lt Select gt key does not confirm an entry You must press the lt Enter gt key 2 3 2 2 Microprocessor Generated Information Some fields such as those on the INSTRUMENT STATUS and SYSTEM TEMPERATURES screens contain information generated by the microprocessor The operator cannot affect the readings in these fields If you find that the cursor will not enter a field the field contains microprocessor generated information 2 3 2 3 Exiting Without Making a Change If you decide not to m
102. ll instruments thoroughly on receipt Check material in the container s against the enclosed packing list If the contents are damaged and or the instrument fails to operate properly notify the carrier and Ecotech immediately 2 The following documents are necessary to support claims Original freight bill and bill of lading Original invoice or photocopy of original invoice Copy of packing list Photographs of damaged equipment and container ao sf You may want to keep a copy of these documents for your records also Refer to the instrument name model number serial number sales order number and your purchase order number on all claims Upon receipt of a claim we will advise you of the disposition of your equipment for repair or replacement Shipping Discrepancies Check all containers against the packing list immediately on receipt If a shortage or other discrepancy is found notify the carrier and Ecotech immediately We will not be responsible for shortages against the packing list unless they are reported promptly 98117600 Rev B 7 EC9811 O ANALYZER WITH IZS OPERATION MANUAL ECOTECEH Service and Spare Parts For world wide customer service amp spare parts contact ECOTECH Address Ecotech Pty Ltd 1492 Ferntree Gully Road Knoxfield Australia VIC 3180 Phone 61 1300 364 946 Fax 61 1300 668 763 Email Service ecotech ecotech com au Email Spare Parts parts ecotech com au Web www ecotech com
103. manual is subject to change without notice and does not represent a commitment on the part of the Ecotech Pty Ltd Ecotech reserves the right to make changes in construction design specifications and or procedures that may not be reflected in this manual Copyright 2007 All rights reserved Reproduction in any form is prohibited without the written consent of Ecotech Pty Ltd This manual is furnished on the express condition that the information herein will not be used for second source procurement or purposes directly or indirectly detrimental to the interests of Ecotech 2 98117600 Rev B FRONT MATTER MARK DECLARATION Declaration of Conformity Ozone Analyzer Scope of Declaration This declaration applies to Ozone Analyzers as manufactured by Ecotech Pty Ltd and which may be sold in the following configurations Part Number Description 98101000 100 Ozone Analyzer B Series 98107000 1 Ozone Analyzer and Ozone Generator 98111000 1 Ozone Analyzer with IZS 98107000 2 Ecotech certifies that this product operates in compliance with the following standards EN 61326 1 Electrical Equipment for measurement control and laboratory use EMC Requirements Edition 1 1 with amendment 1 plus amendment 2 o Immunity Requirements EN61326 1 IEC 61000 4 11 Voltage Interrupts IEC 61000 4 11 Voltage Dips IEC 61000 4 3 Radiated RF electromagnetic field immunity test IEC 61000 4 4 Electrical fast transient burst immunity test I
104. ment arrived undamaged The 9811 Service Manual contains initial installation inspection instructions 2 1 1 Selecting a Location Select a location for the analyzer where temperature variation dust and moisture are minimal The location should be well ventilated and should allow convenient access to the operator controls and front panel display The analyzer can operate in a range of 5 to 40 C without risk of damage 2 1 1 1 Rack Mount or Enclosed Location The analyzer is supplied as a bench top version with rubber feet or with the chassis slides to convert it to a rack mount version The optional rack mount version is 24 inches 61 cm deep and fits into a 19 inch 48 3 cm RETMA instrumentation rack The front panel will protrude slightly Refer to the instructions provided with the rack mount kit for assembly into a rack Caution The rack mount version requires a properly ventilated rack enclosure The temperature inside enclosures that are not properly ventilated may rise as much as 15 C above the ambient air temperature This may force the analyzer to operate outside of specifications Optimum operation is obtained at operating temperature of 20 to 30 C inside the rack enclosure For ventilation calculations use a heat dissipation rating of 150 watts or 512 Btu per hour After the analyzer has been mounted make the pneumatic and electrical connections 2 1 2 Connections All pneumatic connections must be sec
105. ment is used as a calibrated ozone source The ANALYZER mode is used when the instrument is used to measure ambient ozone for compliance with local regulatory requirements For USEPA equivalent applications the instrument must be used in the analyzer mode In addition if the instrument is used as an analyzer it cannot be used as a calibrated ozone source unless it is first cleaned and certified To select the instrument mode go to the MEASUREMENT MENU and select INSTR MODE Enter either ANALYZER Or PHOTOMETER 2 6 1 3 Choosing Display Units 98117600 Rev B Two units of display are available ppm or mg m Parts per million ppm is the ratio of ozone to air by volume Milligrams per cubic meter mg m is the mass of the ozone in the sample that would be in one cubic meter if the temperature were 25 C and the pressure were one atmosphere To select display units go to the MEASUREMENT MENU and select UNIT SELECTION Enter either ppm or mg m 2 39 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 40 2 6 1 4 Choosing the Filter Type The filter used to establish specifications of the instrument and for data submitted to the USEPA for certification is the Kalman filter This filter implementation is chosen to optimize noise filtering and instrument response time This filter adjusts its bandwidth depending upon the history of measured input variations A steady input is filtered with
106. mmand Set Format All Bavarian Network commands follow the command format as specified in this section The specific Bavarian commands and their function are described in section 4 4 5 1 Bavarian Network Command Format lt STX gt lt TEXT gt lt ETX gt lt BCC1 gt lt BCC2 gt Where lt STX gt ASCII Start Of Transmission 02 hex 4 8 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION lt TEXT gt ASCII text maximum length of 120 characters lt ETX gt ASCII end of transmission 03 hex lt BCC1 gt ASCII representation of block check value MSB lt BCC2 gt ASCII representation of block check value LSB The block check algorithm begins with 00 Hex and exclusive OR each ASCII character from lt STX gt to lt ETX gt inclusive This block check value is then converted to ASCII format and sent after the lt ETx gt character 4 4 2 1 Examples The following is an example of a valid Bavarian data request for an instrument that has an LD of 97 lt STX gt DA097 lt EXT gt 3A The block check calculation is best shown by the following table Character Hex Value Binary Block Check lt ETX gt 03 0000 0011 0011 1010 The binary value 0011 1010 corresponds to the hex value 3A This value in ASCII forms the last two characters of the data request message Please note that the I D of 97 is sent as the sequence 097 All I D strings must have 3 digits and the user s
107. most significant bit is on the left least significant bit on the right for example 10100101 would correspond to a device ID of A5 hex or 165 decimal Device response lt ACK gt Command REMOTE Function Puts the instrument in the VT 100 compatible terminal mode All of the menus become available to a remote controller through the serial port The remote PC an ANSI terminal may also be used should be configured as follows Windows Terminal mode Hyper Terminal accessory terminal emulation VT 100 communications settings 9600 or whatever the current instrument host baud rate is 8 bits 1 stsop no parity An ANSI terminal should be configured as follows WYSE WY 60 or WY 75 VT 100 emulation full duplex WYSE WY 50 Not recommended no ANSI mode Recommended baud rate is at least 4800 baud The following remote terminal keys are now active using numeric keypad with NUM LOCK enabled on remote terminal Key Key Label Function Enter Enter Enter 7 Home Exit 9 Pg Up Page up 8 Up arrow Up 2 Down arrow Down 6 Right arrow Select Format REMOTE DEVICE I D gt TERMINATOR 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION Device response lt ACK gt then clearscreen then menu display Command RESET Function Reboots the instrument software reset Format RESET DEVICE I D gt TERMINATOR Device res
108. n additional 2 minutes to allow the cell to come back to monitoring concentration At the end of 24 minutes monitoring resumes including putting data in the average etc The data averages are not updated during zero span check 3 5 Calibration References 1 Technical Assistance Document for the Calibration of Ambient Ozone Monitors EPA 600 4 79 057 U S Environmental Protection Agency Environmental Monitoring Systems Laboratory Research Triangle Park NC 27711 1979 2 Transfer Standards for Calibration of Air Monitoring Analyzers for Ozone EPA 600 4 79 056 U S Environmental Protection Agency Environmental Monitoring Systems Laboratory Research Triangle Park NC 27711 1979 3 Quality Assurance Handbook for Air Pollution Measurement Systems Volume IL Part 1 EPA 454 R 98 004 U S Environmental Protection Agency Environmental Monitoring Systems Laboratory Research Triangle Park NC 27711 1998 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION 4 0 Digital Communication The EC9811 analyzer has three methods of digital communication serial communication using RS232 signals Universal Serial Bus USB or discrete control over the 50 pin I O Discrete control is limited to lines which either command a specific operation or indicate an operation is in progress Serial communication allows access to the menu structure using a terminal and also includes a library of other specific operations USB provides a simple way to mon
109. n checks STARTING HOUR The hour when the first zero span check will be performed CYCLE TIME The period 1 to 59 minutes of the zero amp span steps during a timed calibration SLOPE Computed from linear regression INTERCEPT Computed from linear regression DEVIATION The standard deviation from the linear regression points SPAN COMP Choices are DISABLED and ENABLED This enables automatic compensation of readings based on the result of a zero span cycle For U S EPA designated use this must be set to DISABLED 98117600 Rev B 2 21 EC9811 ANALYZER WITH IZS OPERATION MANUAL CAL PRESSURE This is the measured ambient pressure during the last O3 calibration 2 5 5 2 Manual Calibration The following screen appears when CALIBRATION MANUAL is selected CALIBRATION MENU CALIBRATION CAL MODE EN MENU PAN RATIO ERCEPT EVIATION CAL PRESSURE MANUAL MEASURE 1 0 0 0 750 0 0000 000 000 000 PPM TORR Figure 2 12 Manual Calibration Menu CALIBRATION Designates TIMED Or MANUAL calibration control CAL MODE A choice of MEASURE normal mode CYCLE zero span SPAN span valve or SPAN COMP Choices of DISABLED ENABLED Of RE ZERO zero valve The choice is based on the valve the operator wants to open GRESSION For USEPA designated use this must be set to DISABLED L
110. nds but it is not checked against the actual parameters The number of data parameters must be sent on 9800 style commands but it is not checked against the actual parameters 4 4 3 5 Bavarian Protocol This protocol is intended to correct the idiosyncrasies in the original protocol as noted in section 4 4 3 1 as they apply to the Bavarian network This protocol selection strictly applies the Bavarian network protocol to all commands 4 4 3 6 Command Acknowledgment g 98117600 Rev B For 9800 style commands that provide a data response the response itself is the acknowledgment For 9800 style commands that do not provide a data response no acknowledgment is returned For Bavarian Network commands no acknowledgment is returned 4 11 EC9811 ANALYZER OPERATION MANUAL 4 4 3 7 Negative Acknowledgment For 9800 commands and for Bavarian Network commands no negative command acknowledgment is sent 4 4 3 8 Bavarian Protocol Idiosyncrasies o The string DA CR is a valid command The DA command will function without an I D o The data type must be sent on 9800 style commands but it is not checked against the actual parameters o The number of data parameters must be sent on 9800 style commands but it is not checked against the actual parameters 4 4 3 9 Enhanced Protocol This protocol is provided to allow easier and more robust interfacing between the EC9811 and a computer Every command with a valid I
111. ng by setting OVER RANGING to ENABLED 3 4 Automatic Zero and Span Checks AZS Over time the calibration of nearly any sensitive instrument may change slightly drift causing error in the measured values Accordingly good quality assurance practice requires that the calibration of the EC9811 be checked periodically and if necessary that the instrument s zero and span be adjusted to restore accurate calibration Section 12 of the Handbook for Air Pollution Systems defines two types of calibration checks a Level 1 zero and span calibration check is an authoritative assessment of the analyzer s calibration using an O span gas standard that is certified traceable to a UV photometer primary standard SRM or CRM The results of a Level 1 check can be used to adjust the analyzer s zero and span to restore accurate calibration A Level2 zero and span check is an informal calibration check often with an uncertified O4 standard used to monitor the 98117600 Rev B CHAPTER 3 CALIBRATION day to day relative readings of the analyzer The results of a Level 2 check must not be used to adjust the analyzer s calibration but may indicate the immediate need for a more authoritative Level 1 calibration check 3 4 1 Setting AZS Span Points 98117600 Rev B When using the internal ozone generator for either zero span checks or as a calibration source the instrument can be programmed to step through one to five ozone concentrations in ad
112. ng instruments and programming RS232 parameters The following are used only when one or more of the serial ports are to be used See output connections information in Chapter 4 Digital Communication MAIN GAS ID The ID address of the analyzer when Multidrop RS232 communications is used INTERFACE MODE This establishes the RS232 communication mode Choices are and TERMINAL TERMINAL uses the menu structure and COMMAND uses the 9800 Serial Command Set MULTIDROP BAUD The communication rate for RS232 DB9 connectors on the rear panel The available rates are 1200 2400 4800 9600 19200 AND 38400 DATA LENGTH Sets the number of data bits for the RS232 port The available choices are 7 BITS and 8 BITS STOP BITS Sets the number of stop bits for the RS232 port The available choices are 1 BIT and 2 BITS 98117600 Rev B 2 31 EC9811 ANALYZER WITH IZS OPERATION MANUAL PARITY Sets the parity for the RS232 port The available choices are NONE EVEN and ODD COMM PROTOCOL Sets the communication protocol for serial transmissions using the 9800 Serial Command Set The available choices are ORIGINAL BAVARIAN and ENHANCED See the serial communications information in Chapter 4 2 5 8 Analog Output Menu The ANALOG OUTPUT MENU contains settings that relate to the recording devices For a detailed explanation of the analog output see section 0 below The setting of analog output
113. ng is enabled to ensure that pollutant concentration measurements are reported correctly When a data acquisition must interface with the analog output of the instrument some means must be provided to indicate which range is in effect during all measurements The user should monitor pin 7 on the 50 pin I O connector which is an open collector output indicating ANALOG OUTPUT 1 is in over range 98117600 Rev B 2 47 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 48 2 8 3 Analog Output Calibration Procedure This procedure is appropriate for connecting the EC9811 analyzer to a strip cart recorder Data logger DAS or to a Digital voltmeter DVM Go to the INTERFACE MENU and choose ANALOG OUTPUT MENU Select RANGE and enter the desired range by selecting the appropriate digits Press Enter to confirm your choice Set the output type according to the termination selected for the discrete I O connector The choice will be either CURRENT or VOLTAGE If current output is desired and the 50 pin board is installed set the selection jumper to CURRENT and de select all voltage ranges If current output is desired and the 50 pin board is not installed no hardware change is required If voltage output is desired and the 50 pin board is installed set the selection jumper to voLTAGE If voltage output is desired and the 50 pin board is not installed an external termination resistor is required This resistor
114. o this serial command 4 24 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION 4 5 USB Communication The USB port is located on the rear of the analyzer This cannot be multidropped with other analyzers but multiple analyzers can be connected to a single USB port on a computer by using a USB hub This connection is ideal for collecting data from a standalone analyzer or using a laptop that may not have a serial port 4 5 1 Installing the driver on a PC 98117600 Rev B The following are instructions to install the EC9811 analyzer to a computer through the USB connection It will provide efficient communication between the analyzer and computer with the use of the EC9800 Communicator software described in section 4 6 Note Screen shots and instructions below apply to Windows XP but will be similar for any other Windows operating system 1 Turn on computer and log in 2 Connect the analyzer by USB cable to the USB port on the rear of the computer 3 After 10 20 seconds the dialog box shown in should appear If no dialog box appears open the Control Panel and double click Add New Hardware 4 25 EC9811 ANALYZER OPERATION MANUAL Found New Hardware Wizard Welcome to the Found New Hardware Wizard This wizard helps you install software for Ecotech 9810 Analyser If your hardware came with an installation CD lt 6 or floppy disk insert it now What do you want the wizard to do Install the software a
115. of these terms follows then the setup procedure is given The setting of the analog output and over range has no impact on the measurement range of the analyzer it only affects the analog output scaling 98117600 Rev B 2 45 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 46 2 8 1 Offset and Live Zero At any selected output range the operator may want to observe negative signal indications Moving the zero indication up the scale to a specific point creates a live zero thus allowing the recorder or DAS to show negative as well as positive indications The adjustment used to create a live zero is OFFSET For example a 10 offset moves the zero indication to the point where 10 would normally be indicated The full reading available on the recorder paper or DAS would then be 10 to 90 of full scale See Figure 2 30 an illustration of offset on the strip chart recorder Figure 2 30 Strip Charts Illustrating Offset Signal adjustments for zero and instrument gain to align the output with the user s recorder or other measurement device can be made in the ANALOG OUTPUT MENU in the fields FULL SCALE and ZERO ADJ These adjustments may be necessary due to tolerance buildup power supply variation etc in either the analyzer or the measurement device 2 8 2 Over Range Adjustment Over ranging is also enabled from the ANALOG OUTPUT MENU The OVER RANGE setting is the auxiliary range the operator chooses to track th
116. ondary panel is switched to ON 2 8 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 2 1 Display Adjustments Adjust the display contrast by simultaneously pressing two keys on the front panel see Figure 2 4 LE Contrast CD 079 258 J Up arrow A and Select for darker contrast Down arrow Y and 1 DISPLAY Select for lighter contrast 2 CONTROL KEYS 6 3 INSTRUMENT IDENTIFICATION Backlight The backlight brightness is fixed to maximum and cannot be adjusted 4 RACK MOUNT OPTION 2 Figure 2 4 Analyzer Front Panel Hold the key combinations until the desired contrast appears on the display Note Pressing the Up or Down arrow key while not simultaneously pressing the lt Select gt key when the main screen is displayed causes the screen query START MANUAL CALIBRATION If this happens while adjusting the display press the lt Exit gt key Note The display is sensitive to the ambient air temperature and analyzer temperature The appearance of the display will vary with changes in these conditions 98117600 Rev B 2 9 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 2 2 Warmup Upon instrument power up from a cold condition heat is applied to the flow block and lamp block Preset temperatures must be achieved before the instrument begins sample measurement This automatic process requires up to 30 minutes Parameters entered during the warm up perio
117. one output manifold must be connected to a vent To measure the internal ozone source connected to the span port enter the CALIBRATION MENU and select CALIBRATION MANUAL and CAL MODE SPAN 4X where x is 1 through 5 The instrument will now measure the internal ozone generator At this point you may wish to turn on the generator or change the generator value You may also wish to enter the INTERFACE MENU to rescale the analog RANGE so the measured value is properly scaled for your strip chart recorder or the TREND screen 2 7 3 Changing the Generator Output The output of the ozone generator if turned on is displayed on the 03 GENERATOR MENU To find this display enter the CALIBRATION MENU From the CALIBRATION MENU enter the 03 GENERATOR MENU The generator display is opposite OUTPUT 2 44 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION To change this output push the Select key to enter the numeric field Push the Select key to find the digit you wish to change and use the increment or decrement keys to change the digit Press Enter when the desired ozone output value is reached Note The generator output will not be at the displayed value if the ozone generator has not been self calibrated Refer to section 2 6 2 2 7 4 Stepping the Ozone Generator Through the Span Points The ozone generator may be made to step through the span point values either immed
118. onnection Analyzer Select the analyzer to communicate with from a detected list 98117600 Rev B 4 31 EC9811 ANALYZER OPERATION MANUAL 4 6 3 3 Analyzer Tab This function sets the analyzer information for the analyzer being communicated with Analyzer ID If the user has multidropped multiple analyzers onto the one communication line enter the ID of the analyzer to communicate with Average Data Tick this box to download the averaged data that has been generated by the analyzer Instantaneous Data Tick this box to download the instantaneous data that has been generated by the analyzer 4 6 4 Keyboard shortcuts The following are keyboard shortcuts that can be used in general operation of the program o F2 Display the Settings dialog box o F5 Start communicating with analyzer o F6 Stop communicating with analyzer 4 7 Network Interface optional 4 32 The EC9800 network interface is an optional feature that can be added to an EC9800 instrument It adds the possibility to connect the analyser to a network and access directly using a web browser Within the web browser multiple users have the possibility of seeing current readings which are updated every 5 seconds control the analyser remotely and download data 4 7 1 Current Readings The current reading option gives the possibility of seeing current parameter values in the analyser such as temperatures concentration and status The values on t
119. paration Proper operation of the photometer is of critical importance to the accuracy of this procedure The following steps will help to verify proper operation During the first few months of photometer operation perform the preparation procedure frequently and record all quantitative results and indications in a chronological record in the form of a table or graph When the performance and stability record of the photometer is established you may be able to perform the procedure less frequently 1 Instruction manual Carry out all setup and adjustment procedures or checks as described in the operation or instruction manual associated with the photometer 2 System check Check the photometer system for integrity leaks cleanliness proper flowrates etc Service or replace filters and zero air scrubbers or other consumable materials as necessary 3 Linearity Verify that the photometer manufacturer has adequately established that the linearity error of the photometer is less than 396 Otherwise test the linearity by dilution as follows Generate and measure an concentration near the upper range limit of the system 0 5 or 1 0 ppm then accurately dilute that concentration with zero air and re assess it Repeat at several different dilution ratios Compare the analysis of the original concentration with the analysis of the diluted concentration divided by the dilution ratio as follows p AAR 100 Equation
120. periodic multipoint calibration in accordance with the procedure described below In addition the instrument must be set to the parameters indicated in Chapter 1 Introduction 3 1 1 Analyzer Calibration with external Span Note This procedure is a quick guide to single point span calibration of the EC9811 analyzer intended for operators who are familiar with gas analyzers and preparation of calibration gas For complete gas preparation and multipoint calibration instructions please refer to the multipoint calibration in section 0 below Connect a source of span calibration gas to the analyzer through the Inlet port see Chapter 3 Calibration for instructions on preparing calibration gas Allow the analyzer to sample the gas until a stable reading is obtained typically 15 minutes From the primary screen start the calibration sequence by pressing either the Up or Down arrow key A or Y until the display prompts START MANUAL CALIBRATION SPAN Confirm that the display reads span and press Enter J A backlit cursor will be displayed on the concentration display Use the Select key to move the position of the backlit cursor and the Up and Down arrow keys to increment and decrement the value of the backlit digit until the span calibration gas concentration value is displayed When the desired concentration is displayed press Enter Then move the backlit cursor to the INSTRUMENT GAIN field The instrument gain i
121. ponse GAS lt SPACE gt STATUS WORD lt CR gt lt LF gt All numbers are in floating point format See the pcoNc command for an explanation of the STATUS WORD Command DAZSC Function Commands the addressed device to perform a zero span cycle The system returns to the measure mode when the cycle has completed Format DAZSC lt DEVICE I D gt TERMINATOR Device response lt ACK gt if the unit under test is able to perform the command lt NAK gt if not Command DCOMM Function Performs a character dump to the serial output when called 98117600 Rev B 4 17 EC9811 ANALYZER OPERATION MANUAL Format DCOMM DEVICE I D gt TERMINATOR Device response ACK if the unit under test performs a successful loopback NA amp if not Command DCONC Function Sends the current instantaneous concentration data to the serial port Format DCONC lt DEVICE I D gt TERMINATOR Device response GAS lt SPACE gt STATUS WORD lt CR gt lt LF gt All numbers are in floating point format The STATUS woRD indicates the instrument status in hex using the following format Bit 15 SYSFAIL MSB Bit 14 FLOWFAIL Bit 13 LAMPFAIL Bit 12 CHOPFAIL Bit 11 CVFAIL Bit 10 COOLERFAIL Bit9 HEATERFAIL Bit8 REFFAIL Bit 7 PS FAIL Bit6 HV FAIL Bit5 OUT OF SERVICE Bit4 instrument is in z
122. ponse lt ACK gt Command GETDATA Function Used to collect logged data from an analyzer Format This command takes two different formats depending on the transmission state TO begin with the following format must be used GETDATA DEVICE I D gt 2 1 lt START TIME gt lt END TIME gt lt DATA TYPE gt TERMINATOR Where START TIME is the date time of the first piece of data to collect and END TIME is the date time of the final data to collect Both must be in the following format YY MM DD SPACE HH NN If END TIME is omitted then all data since START TIME is returned Year must be 03 or greater Where DATA TYPE I to only receive instantaneous logged data A to only receive Averaged logged data EMPTY to receive both instantaneous and averaged logged data After the request has been issued data will be returned in the same packet format as is documented for USB data requests After each packet the following command should be issued to request the next packet of data GETDATA DEVICE I D gt 2 1 lt REQUEST gt TERMINATOR 98117600 Rev B 4 23 EC9811 ANALYZER OPERATION MANUAL Where REQUEST 0 to retransmit previous packet logged data 1 to transmit next block of packet data Device response Refer to command 2 in the USB protocol specification The complete USB packet format is used for the response t
123. potentiometers used to adjust the functions of the flow control board FLOW CONTROL POTS FLOW CONTROL ZERO 81 FAN SPEED CONTROL 16 PUMP SPEED FINE 85 PUMP SPEED COARSE 36 GAS FLOW 0 505 SLPM GAS PRESSURE 585 6 TORR Figure 2 17 Flow Control Pots Screen 98117600 Rev B 2 27 EC9811 ANALYZER WITH IZS OPERATION MANUAL FLOW CONTROL ZERO A pot that sets electronic zero for differential flow The pot value is stored in EEPROM on flow controller board FAN SPEED CONTROL Software controlled pot that sets chassis fan speed PUMP SPEED FINE Software controlled pot that controls the pump speed which controls sample flow rate PUMP SPEED COARSE Software controlled pot that controls the pump speed which controls sample flow rate GAS FLOW Instrument generated information from the flow controller GAS PRESSURE Atmospheric pressure instrument generated information 2 5 6 3 Valve Test Menu VALVE TEST MENU INT VALVE 1 OPEN INT VALVE 2 CLOSED INT VALVE 3 CLOSED AUX VALVE 1 CLOSED EXT MEASURE CLOSED EXT ZERO GAS CLOSED EXT SPAN GAS CLOSED VALVE SEQUENCING ON Figure 2 18 Valve Test Menu The VALVE TEST MENU allows the valves to be set to either OPEN or CLOSED according to the operators choice To manually operate the valves vALvE SEQUENCING needs to be turned off See the pneumatic diagram in the EC9811 Service Manual for details on plumbing connections
124. precision such that the standard deviation of the concentration measurements does not exceed 0 005 ppm or 346 of the concentration Because the low pressure mercury lamp radiates at several wavelengths the photometer must incorporate suitable means to assure that no O3 is generated in the cell by the lamp and that at least 99 5 of the radiation sensed by the detector is 254 nm radiation This can be readily achieved by prudent selection of optical filter and detector response characteristics The length of the light path through the absorption cell must be known with an accuracy of at least 99 5 In addition the cell and associated plumbing must be designed to minimize loss of O from contact with cell walls and gas handling components See Calibration Reference 1 for additional information 98117600 Rev B CHAPTER 3 CALIBRATION 3 2 1 3 2 Air Flow Controllers Devices capable of regulating air flows as necessary to meet the output stability and photometer precision requirements 3 2 1 3 3 Ozone Generator Device capable of generating stable levels of over the required concentration range 3 2 1 3 4 Output Manifold The output manifold should be constructed of glass Teflon or other relatively inert material and should be of sufficient diameter to insure a negligible pressure drop at the photometer connection and other output ports The system must have a vent designed to ensure atmospheric pressure in the manifold and to preven
125. r the protection provided by this equipment may be impaired Replacement of any part should only be carried out by qualified personnel only using parts specified by the manufacturer Always disconnect power source before removing or replacing any components EQUIPMENT RATING o 100 120 220 240V 10 o 50 60 Hz 250 VA max g g FUSE 5 3 15A T 250V All wiring must be in accordance with local norms and be carried out by experienced personnel ENVIRONMENTAL CONDITIONS RELATIVE HUMIDITY 10 to 80 Temperature 5 to 40 degrees C Pollution degree 2 Installation category II Maximum altitude 2000m Instruments suitable for use in a sheltered environment only Never operate this equipment in the presence of flammable liquids or vapors as this could cause a safety hazard 98117600 Rev B EC9811 ANALYZER WITH IZS OPERATION MANUAL Factory Service We strive to provide efficient and expedient service when an instrument or component is returned for repair Your assistance can help us to better provide the service you need To ensure that we process your factory repairs and returned goods efficiently and expeditiously we need your help Before you ship any equipment to our factory please call our Service Response Center at 61 1300 364 946 This enables us to complete the necessary paperwork and process your equipment correctly when it reaches our facility When you call please be prepared to provide the followin
126. r to run the generator open loop or with feedback It is recommended that the ozone generator be run overnight before final settings are made for the lamp current flow rate and self calibration This will allow any ozone absorbing surfaces in the generator distribution manifold and the analyzer to become passive resulting in stable ozone output and readings The output of the ozone generator is directly proportional to lamp current and inversely proportional to flow rate These two parameters may be adjusted to reach the desired full scale value for the ozone generator The lamp current for the ozone producing lamp is adjustable from approximately 4 mA to 10 mA For maximum lamp life and fastest response of the ozone output to lamp current changes it is best to keep the lamp current at a minimum Depending on your 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION application requirements you may be able to set the current to a minimum and adjust the output using generator flow rate The generator will produce about 1 to 2 ppm at a flow rate of 4 51 at minimum lamp current The generator will produce about 2 to 4 ppm at a flow rate of 4 slpm at maximum lamp current Ozone production varies from lamp to lamp over about a two to one range 2 6 2 1 Monitoring the Ozone Generator The analyzer must be monitoring the ozone generator before the generator can be adjusted To monitor the ozone generator enter the CALIBRATION MENU and selec
127. ranges has no impact on the measurement range of the analyzer it only affects the analog output scaling 2 5 8 1 Current Output Menu ANALOG OUTPUT MENU RANGE 0 500 PPM OUTPUT TYPE CURRENT CURRENT RANGE 0 20 MA FULL SCALE 0 00 ZERO ADJUST 0 00 OVER RANGE 20 00 PPM OVER RANGING DISABLED Figure 2 22 Analog Output Menu Current Output RANGE Set upper range limit in digits to desired concentration This value cannot exceed the ovER RANGE value OUTPUT TYPE Setting must match the choice on the 50 Pin I O board if installed current or voltage CURRENT RANGE Choices are 0 20 MA 2 20 MA and 4 20 MA FULL SCALE X XX a correction factor for full scale setting Used when calibrating the analog outputs ZERO ADJ X XX a correction factor for the zero setting Used when calibrating the analog outputs 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION OVER RANGE Set to desired over range value This value cannot be set below the RANGE value See section 0 below This is the alternate scale the recorder or DAS indicates when over ranging is active and enabled When 90 of the set range is reached this auto range is effective When 80 of the original range is reached it returns to the original range OVER RANGING Set to ENABLED Or DISABLED to turn the over ranging feature on or off 2 5 8 2 Voltage Output Menu ANALOG OUTPUT MENU RANGE 0 500
128. rate the analyzer With feedback ENABLED the instrument photometer is being used to check degradation of the selective scrubber The ozone generator output is set using the instrument internal zero air source and measured using the selective scrubber The assumption for this mode of operation is that the photometer and particulate filter degradation due to dirt buildup is slower than the ozone generator degradation due to lamp solarization With feedback DISABLED the ozone generator is being used to check degradation of the ozone scrubber the particulate filter and the photometer The assumption for this mode of operation is that the ozone generator output is degrading slower than the scrubber particulate filter and photometer Depending upon conditions under which your analyzer is functioning one mode may be superior to the other Since the photometer mode of the instrument sends only scrubbed air to the filter and photometer FEEDBACK ENABLED is used when the instrument is operated as a calibrated ozone source The instrument must be put in the PHOTOMETER mode and it must have ozone feedback ENABLED to meet specifications as a calibrated ozone source 98117600 Rev B 2 43 EC9811 ANALYZER WITH IZS OPERATION MANUAL To set ozone feedback enter the INSTRUMENT MENU From the INSTRUMENT MENU select the MEASUREMENT MENU From the MEASUREMENT MENU select OZONE FEEDBACK Press the
129. rear RS232 Multi Drop RS232 Multi Drop pin pin pin pin 2 XMT gt 3 2 XMT RCV 2 3 RCV 2 3 RCV XMT gt 3 7 GND 9 7 GND 5 4 RTS gt 4 RTS lt E Ure 5 ces e EOD gt DR lt S 6 DSR gt 20 DIR 5 20 DIR B 4DeD x 11 8 DCD X do NOT connect 22 RI lt 9 22 R X do NOT connect may not be needed may not be needed If you have a 9 pin DTE RS232 PORT If you have a 9 pin DCE RS232 PORT e g computer DAS connect e g modem or terminal connect Your 9 9800 Your 9 9800 pin DTE 9 pin rear pin DCE 9 pin rear RS232 Multi Drop RS232 Multi Drop pin pin pin pin 3 XMT 3 3 XMT RCV 2 2 ROV 2 2 RCV XMT gt 3 S mi GND 5 5 GND 5 E 2 7 RIS S 8 CTS lt 8 CTS 6 DSR d4 6 DSR 4 4 DIR gt 4 DIR aol Ss Dep lt d esi DCD X do NOT connect x49 Soo Rb sg 9 RI X do NOT connect may not be needed may not be needed Figure 4 2 Serial Interface Connection Diagrams 4 3 Serial Terminal Control If the EC9811 is operated in the Terminal mode a terminal connected to one of the RS232 ports will produce the same results as pressing the six front panel keys with the exception that the same charact
130. ries analyzer and allows the user to communicate with the analyzer by direct serial connection modem or USB The two functions of the program are to o Download recorded data Data Acquire mode o Remotely access the analyzer s control panel Remote Terminal mode To set the EC9800 Communicator s output connection and analyzer properties use the settings dialog box Refer to section 4 6 3 4 6 1 Data Acquire Mode Data Acquire mode enables the user to download recorded data from the analyzer to a text file 4 6 1 1 Using Data Acquire Mode 98117600 Rev B 1 Ensure that all Settings are correct Refer to section 4 6 3 2 Under the Mode menu tick the Data Acquire option 3 Onthe Comm menu select Start 4 Inthe dialog box that appears enter the start date time for the data in dd mm yy hh mm format For example enter 30 11 2003 14 20 for 2 20PM on 30 November 2003 5 Inthe dialog box that next appears enter the end date time in the same format The EC9800 Communicator will now retrieve the data To stop downloading before all data has been retrieved select Stop on the Comm menu Note The analyzer must be in Command mode before the Data Acquire mode can be used If the program was last used in Remote Terminal mode the analyzer may still be in Remote mode See section 4 6 2 2 for further details 4 27 EC9811 ANALYZER OPERATION MANUAL 4 28 Note Data Acquire mode only retrieves data already logged b
131. s automatically calculated by the analyzer Press Enter to confirm this value Press Exit to return to the primary screen This completes the span calibration of the EC9811 analyzer 98117600 Rev B CHAPTER 3 CALIBRATION Note The auto zero function of the EC9811 eliminates the need for a traditional zero calibration In special applications where a zero calibration is required the following procedure can be used 1 Connect a source of zero air to the analyzer through the Inlet port 2 Allow the analyzer to sample the gas until a stable reading is obtained typically 15 minutes 3 From the primary screen start the calibration sequence by pressing either the Up or Down arrow key or Y until the display prompts START MANUAL CALIBRATION ZERO Confirm that the display reads ZERO and press Enter J A backlit cursor will be displayed on the concentration display 4 Use the Select key to move the position of the backlit cursor and the Up and Down arrow keys to increment and decrement the value of the backlit digit until the zero value is displayed e g 0 000 ppm The maximum available zero offset is 0 009 ppm When the desired concentration is displayed press Enter Press Exit to return to the primary screen This completes the calibration of the EC9811 analyzer 3 2 Multipoint Calibration Procedure 98117600 Rev B The procedure for calibrating the EC9811 ozone analyzer is customize
132. setup o a discussion of the AZS feature The EC9811 ozone analyzer is a precision measuring device which must be calibrated against a known source of ozone Ozone concentration standards required for calibration may be generated and measured with a UV calibration photometer at the time of use or they may be obtained by means of a certified ozone transfer standard In general terms the calibration process consists of 1 Establishing a reliable and stable calibrating source 2 Providing a satisfactory connection between the calibration source and the analyzer 3 Calibrating the analyzer against the calibration source Multipoint calibration is used to establish the relationship between analyzer response and pollutant concentration over the analyzer s full scale range Zero and span checks are frequently used to provide a two point calibration or an indication of analyzer stability and function Regulations generally require that the analyzer be recalibrated any time it is moved serviced or whenever the analyzer characteristics may have changed This includes changing the instruments units from volumetric to gravimetric Regulatory agencies establish the time intervals at which the analyzer must be calibrated to ensure satisfactory data for their purposes 98117600 Rev B 3 1 EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 2 Important Use of the EC9811 analyzer as a U S EPA designated equivalent method requires
133. t CALIBRATION Press the Select key and use the increment or decrement keys to find MANUAL Press the Enter key to select this function Next select CAL MODE Press the Select key and use the increment or decrement keys find 1 Press the Enter key to select this function Next select 03 GENERATOR MENU and enter this menu From this menu select GENERATOR Press the Select key and use the increment or decrement keys to find on Press the Enter key to select this function The ozone generator is now in manual calibration 2 6 2 2 Adjusting the Ozone Generator Pump Flow The ozone generator is factory set for a flow rate of 4 slpm And the generator output is factory calibrated at this flow rate for a full scale value of 1 ppm The ozone generator flow rate should not be changed unless required by your application or instrument repair has been done to the ozone generator If the ozone generator pump flow is changed it will be necessary to perform an ozone generator self calibration See paragraph 2 6 2 4 To set the ozone generator pump flow enter the CALIBRATION MENU From the CALIBRATION MENU select the 03 GENERATOR MENU Move the cursor to PUMP FLOW and press the Select key Use the select key to choose the digit you wish to change and use the increment and decrement keys to reach the desired digit value When the desired value is reached push the Enter key Note Use the pump FLOW
134. t ambient air from entering the manifold 3 2 1 3 5 Temperature Indicator Accurate to 1 C 3 2 1 3 6 Barometer or Pressure Indicator Accurate to 2 torr 3 2 1 4 Reagents 3 2 1 4 1 Zero Air The zero air must be free of contaminants which would cause a detectable response from the analyzer and it should be free of NO C H and other species which react with A procedure for generating suitable zero air is given in Calibration Reference 1 As shown in Figure 3 1 the zero air supplied to the photometer cell for the Io reference measure measurement must be derived from the same source as the zero air used for generation of the ozone concentration to be analyzed I measurement When using the photometer to certify a transfer standard having its own source of ozone see Calibration Reference 2 for guidance on meeting this requirement 3 2 1 5 Procedure 3 2 1 5 1 General Operation The calibration photometer must be dedicated exclusively to use as a calibration standard It should always be used with clean filtered calibration gases and never 98117600 Rev B 3 7 EC9811 ANALYZER WITH IZS OPERATION MANUAL 3 8 used for ambient air sampling Consideration should be given to locating the calibration photometer in a clean laboratory where it can be stationary protected from physical shock operated by a responsible analyst and used as a common standard for all field calibrations via transfer standards 3 2 1 5 2 Pre
135. te If the units in the MEASUREMENT MENU are changed from volumetric to gravimetric or gravimetric to volumetric the analyzer must be re calibrated in order to meet U S EPA requirements DECIMAL PLACES Set the number of decimal places in which the data is displayed on the screen 0 1 2 3 4 06 5 Note The screen is able to display up to 7 characters of data including the decimal place for each reading 98117600 Rev B 2 19 EC9811 ANALYZER WITH IZS OPERATION MANUAL AVERAGE PERIOD Set time in HOURS 1 4 8 12 Or 24 or in MINUTES 1 3 5 10 15 Or 30 This establishes the period for average computations This field is a wraparound field FILTER TYPE Sets the time constant of the digital filter Choices are No FILTER 300 SECONDS 90 SECONDS 60 SECONDS 30 SECONDS 10 SECONDS Or KALMAN adaptive Note The Kalman filter is the factory default setting and must be used when using the instrument as a U S EPA equivalent method The Kalman filter also gives the best overall performance for this instrument INSTRUMENT MODE Choose between analyzer or photometer mode OZONE FEEDBACK Enabling this function sets the analyzer into feedback mode whereby it records the level of O5 produced by the photometer on the front screen as a reference NOISE The standard deviation of the concentration The manner in which this is done is as follows 1 Take a concentration value once every t
136. te and record the results of a daily precision check The means by which the analyzer is externally controlled is via the 50 PIN IO connection or via the RS232 multidrop connection Refer to section 4 0 for more details on interfacing to these ports 2 4 3 Manual 98117600 Rev B A manual precision check can be initiated as follows 1 Connect a source of span gas to the analyzer through the Auxiliary port see chapter 3 for instructions on preparing calibration gas 2 From the CALIBRATION MENU set CALIBRATION tO MANUAL and CAL MODE to SPAN 3 Allow the analyzer to sample the span gas until a stable reading is obtained typically 15 minutes 4 Verify this stable reading against the know calibration concentration 5 Typically if it is within 5 then a calibration is not required 6 Ifacalibration is required continue with the following procedure in section 2 4 4 If not return the CAL MODE tO MEASURE 2 13 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 4 4 Analyzer Calibration Instructions Note This procedure is a quick guide to single point span calibration of the EC9811 analyzer For complete gas preparation and multipoint calibration instructions refer to Chapter 3 Calibration With a stable supply of calibration gas connected to the Auxiliary port of the analyzer verify that in the CALIBRATION MENU CALIBRATION is set to MANUAL and CAL MODE to SPAN From the Primary Screen start
137. ter Likewise these multiple transceivers share the same transmit line which goes back to a single master This strategy is a method of attaching multiple slave units instruments to a single master computer In the multidrop strategy each unit is given an identification number I D which is sent with each command from the master When a unit recognizes its unique I D it processes the command and responds appropriately The integrity of this method relies on a strict enforcement of the following rules o Each unit in the multidrop must have a unique I D that is programmed into the unit before attaching to the network o After a command is sent by the master the master must then wait for a response Only after a reasonable time out period should the master send another command 4 13 EC9811 ANALYZER OPERATION MANUAL o The multidrop master must include a time out mechanism in the event that the I D sent with the command is garbled Clearly a lt gt on a bad I D is not possible for the units in this scheme o The master must correlate the unit response with I D sent in the command to know which unit in the multidrop is responding o Any command that would cause two units on the multidrop to respond at the same time must be avoided If more than one unit attempts to respond on the common transmit line a data collision will occur destroying both messages 4 4 4 2 Programming Instrument Identifiers Note
138. the selection The EVENT 106 is a log created by the microprocessor to indicate deviations in the operating parameters This screen can be used to determine the cause of system problems The INSTRUM ENT STATUS and SYST EM T EMP ERATUR ES screens constantly update readings that apply to the operation of the instrument The SYSTEM FAULTS screen provides a pass or fail indication for various parameters which are continually monitored These parameters must be within acceptable operating ranges in order to display PAss 2 5 3 Instrument Menu INSTRUMENT MENU MEASUREMENT MENU DATE TIME PASSWORD ERASE MEMORY NO 011 MAIN GAS ID 15 AUG 03 18 57 Figure 2 9 Instrument Menu The items in the INSTRUMENT MENU address instrument settings needed to initiate operation 98117600 Rev B 2 17 EC9811 ANALYZER WITH IZS OPERATION MANUAL DATE The date format is day month year TIME Set in 24 hour format Setting the time resets the seconds internally to zero for synchronization with an external clock PASSWORD See section 2 9 ERASE MEMORY If yes is selected the following message is displayed THIS WILL ERASE SYSTEM GAINS ARE YOU SURE NO The word is highlighted in this warning Scrolling to vEs and pressing Enter will erase the memory in the analyzer Caution If the analyzer memory is erased all user con
139. ure to ensure accurate operation of the analyzer The following information describes connection techniques for 98117600 Rev B 2 1 EC9811 ANALYZER WITH IZS OPERATION MANUAL pneumatic and electrical connections Figure 2 1 shows the rear panel of the analyzer with associated connections Notice the Network connection is optional Figure 2 1 Analyzer Rear Panel 2 1 2 1 Recorder and DAS Connections Caution The EC9811 electrical ground is isolated from earth ground To avoid possible ground loops all electrical devices connected to the analyzer should have floating inputs not connected to earth ground 2 1 2 1 1 The 50 I O PCA The 50 pin I O connector board plugs into the discrete I O connector and provides voltage and current outputs to drive a strip chart recorder REC and a data acquisition system DAS The outputs are illustrated in Figure 2 2 The 50 pin I O PCA is optional for the EC9811 B series analyzer 2 2 98117600 Rev B 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION Figure 2 2 50 Pin Connector Board Front The output is jumper selectable as o Current see Figure 2 3 Range is set using the menu in a later step o Voltage with selectable ranges of 0 to 0 1 V Oto 1 V 0 to 5 V and 0 to 10 V See Figure 2 3 EC9811 ANALYZER WITH IZS OPERATION MANUAL 2 4 Figure 2 3 50 Pin Connector Board with Sample Choices Rear Select the output for your application using the
140. used 3 Analog output 1 is instantaneous gas concentration 4 Analog output 2 is unused 4 3 EC9811 ANALYZER OPERATION MANUAL 4 4 5 Valid for the EC9811 6 An error is flagged if the lamp current is below 5 mA or above 15 mA 7 Not valid 8 Span ratio out of range is defined as calibration gain changing below 75 or above 125 gain change 9 Unused 10 An error is flagged if the 12 volt supply voltage is below 11 1 volts or greater than 14 3 volts 11 Unused 12 This signal is the logical OR of FLOWFAIL LAMPFAIL CHOPFAIL CVFAIL COOLERFAIL HEATERFAIL REFFAIL PS FAIL and HV FAIL 4 1 2 50 Pin 1 0 Inputs The DOZERO and posPaN controls pins 5 and 6 are TTL compatible inputs with internal 4 7K ohm pull up resistors These inputs are active low and can be driven to ground by dry contact relays open collectors or TTL compatible ICs The logic levels for control inputs are standard TTL levels They are low 0 8 V 2V high 5 V 4 1 3 50 Pin I O Outputs The status outputs are active low ULN2003 open collector Darlingtons The status outputs can be used to drive relays or with the use of external pull up resistors as a voltage indication of on off conditions The internal 12 V pin 50 or an external power supply may used as the relay or indicator power source Current through the outputs should be kept as low as possible ideally around 1 mA If an external supply is used it shoul
141. utomatically Recommended Install from a list or specific location Advanced Click Next to continue Next gt Cancel Figure 4 3 Screenshot of menu which appears when USB is connected 4 Insert the CD containing the Ecotech 9800 Analyzer Driver into the CD drive The computer should recognize the CD and continue with the installation after a few seconds If it does not click the Next button after loading the CD Note A dialog box similar to that in Figure 4 4 may appear If it does click the Continue Anyway button Hardware Installation The software you are installing for this hardware Ecotech 9800 Analyser has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway STOP Installation Figure 4 4 Dialog Box which may appear during installation 5 The installation should now proceed When complete click the Finish button 4 26 98117600 Rev B CHAPTER 4 DIGITAL COMMUNICATION The driver installation is now complete 4 6 EC9800 Communicator Software The EC9800 Communicator software is supplied on CD with the EC9811 se
142. which are continually monitored These parameters must be within acceptable operating ranges in order to display Pass If the instrument is in startup mode START will be displayed Additional information on the SYSTEM FAULTS screen is included in the EC98 Service Manual 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 6 INSTRUMENT SETUP Instrument setup is divided into two main categories analyzer setup and ozone generator setup 2 6 1 Analyzer Setup Analyzer setup includes setting date and time selecting the instrument mode choosing display units choosing the filter type choosing the average period choosing serial interface baud rates selecting the range and adjusting the analog outputs 2 6 1 1 Setting the Date and Time Data stored in instrument memory such as the EVENT LOG include time and date Go to the INSTRUMENT MENU and select DATE and TIME in the day month year format Adjust the current date and time and press enter 2 6 1 2 Selecting the Instrument Mode Two modes of operation are available with this instrument The mode selected determines the source of zero air used as a reference for measurement In the PHOTOMETER mode reference zero air is drawn from scrubbed ambient air This is the same air used as a source for the ozone generator In the ANALYZER mode reference zero air is drawn from selective scrubbed sample gas The PHOTOMETER mode is used when the instru
143. wo minutes 2 Store 25 of these samples in a first in last out buffer 3 Every two minutes calculate the standard deviation of the current 25 samples This is a microprocessor generated field and cannot be set by the operator Note The noise reading is only valid if zero air or a steady concentration of span gas has been supplied to the analyzer for at least one hour ZERO OFFSET ZERO calibration correction factor User can manually set the offset between 10 00 PPB 2 5 5 Calibration Menu The CALIBRATION MENU contains entries used to set up the instrument calibration The choice of TIMED or MANUAL calibration creates a slightly different screen TIMED calibration generates a zero span check that will occur at the interval chosen without operator interface MANUAL calibration allows for operator controlled calibration Only one choice TIMED or MANUAL applies at any given tme 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 5 5 1 Timed Calibration The following screen appears when CALIBRATION TIMED is selected CALIBRATION MENU CALIBRATION TIMED TIMER INTERVAL 24 HOURS STARTING HOUR 0 CYCLE TIME 15 MINS O3 GEN MENU SLOPE INTERCEPT DEVIATION SPAN COMP REGRESSION CAL PRESSURE 750 0 TORR Figure 2 11 Timed Calibration Menu CALIBRATION Designates TIMED or MANUAL calibration control TIMER INTERVAL The number of hours between the zero spa
144. xels are visible Press the Pg Up key to exit The available tests are STRIPE 1 Causes the screen to show a series of very closely spaced vertical lines STRIPE 2 Shows a series of vertical lines in alternate positions to those is STRIPE CLEAR Clears the screen of all pixels FILL Fills the screen of pixels CHECK 1 Causes the screen to show a checkered pattern made up of single pixels CHECK 2 Displays a checkered pattern in alternate spaces to CHECK 1 ANALOG OUTPUT TEST Sends a 0 1 Hz sawtooth waveform to the selected analog output device to test its functionality There are 6 analog outputs to choose from 1 to 6 Analog outputs 1 to 3 are available via the 50 PIN IO connector 2 5 6 5 Calculation factor CALCULATION FACTOR INSTRUMENT GAIN 0 978 P T F CORRECTION 0 9877 BACKGROUND 0 000 ZERO OFFSET 0 000 Figure 2 20 Calculation factor The Calculation factors screen is a non editable screen which provides the values used to calculate different aspects of measurement and calibration 2 30 98117600 Rev B CHAPTER 2 INSTALLATION AND OPERATION 2 5 7 Interface Menu INTERFACE MENU ANALOG OUTPUT MENU DATA LOGGING MENU MAIN GAS ID 010 INTERFACE MODE COMMAND MULTIDROP BAUD 2400 DATA LENGTH 8 BITS STOP BITS 1 BIT PARITY NONE COMM PROTOCOL ORIGINAL NETWORKING ADAPTOR MENU Figure 2 21 Interface Menu The INTERFACE MENU is used for interfacing analog recordi
145. y the analyzer To remotely instruct the analyzer to log data use the Remote Terminal mode 4 6 1 2 Viewing the Acquired Data If the communication was successful a table of data similar to the below will be displayed Comm Mode 03 12 01 09 59 0 001013 1 min M 03 12 01 10 00 0 001012 ppm 1 min M 03 12 01 10 01 0 001012 ppm 1 min M 03 12 01 10 02 0 001012 ppm 1 min M 03 12 01 10 03 0 001012 3 min M 03 12 01 10 03 0 001012 ppm 1 min M 03 12 01 10 04 0 001012 ppm 1 min M 03 12 01 10 05 0 001012 1 min M 03 12 01 10 06 0 001012 3 min M 03 12 01 10 06 0 001012 1 min M 03 12 01 10 07 0 001012 ppm 1 min M 03 12 01 10 08 0 001012 ppm 1 min M 03 12 01 10 09 0 001012 ppm 3 min M 03 12 01 10 09 0 001012 ppm 1 min M 03 12 01 10 10 0 001012 ppm 1 min M 03 12 01 10 11 0 001012 ppm 1 min M 03 12 01 10 12 0 001012 ppm 3 min M 2 19 01 10 1 n nomo mmm 4 on 10 x Failwe Status _ C200 Inst C200 Inst C200 Inst C200 Inst C200 C200 Inst C200 Inst C200 Inst C200 Avg C200 Inst C200 Inst C200 Inst C200 Avg C200 Inst C200 Inst C200 Inst DEE Download Complete COMI Closed 4 Figure 4 5 Acquired Data completion screenshot The same data is displayed in the output text file as set on the Output tab of the Settings dialog box with the fields delimited by commas A description of each field follows below Field On screen In text

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