Home

Operation Manual

image

Contents

1. UNIT SELECTION MEASURE COARSE ZERO MEASUREMENT MENU DECIMAL PLACES REFERENCE ZERO DATE AVERAGE PERIOD MEASURE GAIN TIME FILTER TYPE REFERENCE GAIN PASSWORD ANALYZE FOR TEST MEASURE FRASE MEMORY GAS MEAS TIME HIGH VOLTAGE ADJUST MAIN GAS ID GAS 2 NOISE LAMP ADJUST AUX GAS ID GAS 1 OFFSET REF VOLTAGE GAS 3 OFFSET S02 CONC VOLTAGE CALIBRATION TIMED CALIBRATION MANUAL HTCH WAT TACR TIMER INTERVAL CALIBRATION STARTING HOUR CAL MODE FLOW CONTROL ZERO CYCLE TIME CYCLE TIME FAN SPEED CONTROL SO2 TIMED SPAN BACKGROUND PUMP SPEED FINE SPAN COMP BACK INTERVAL PUMP SPEED COARSE 02 SPAN RATIO GAS FLOW GAS 2 SPAN RATIO GAS PRESSURE BACKGROUND PREPROCESSOR POTS BAC TERVAL FLOW CONTROL POTS INT VALVE 1 GAS 2 CAL PRES VALVE TEST MENU INT VALVE 2 CAT PRESSTIRE MULTIDROP PORT TEST ee ieee ps OUTPUT TEST MENU WATCHDOG TEST EXT MEASURE DIAGNOSTIC MENU DISPLAY TEST 5 ANATOG OUTPUT TEST EXT ZERO GAS CALCULATIO an 206 s EXT SPAN GAS MEASUREMENT GAIN VALVE SEQUENCING MAIN MENU INSTRUMENT MENU PRES TEMP FLOW COMP GAS 1 e DIAGNOSTIC MODE INSTRUMENT GAL P T F CORRECTION CALIBRATION MENU BACKGROUND ANALOG OUTPUT MENU ZERO OFFSET DATA LOGGING MENU GAS 2 TEST MENU MAIN GAS ID INSTRUMENT GAI INTERFACE MODE P T F CORRECTION INTERFACE MENU MULTIDROP BAUD GAS 3 DATA LENGTH ZERO OFFSET TREND SELECT MENU STOP BLIS CONVERTER EFFICIENCY PARITY RANGE COMM PROTOCOL S
2. OVERANGE2 OVERANGE3 ANAIN1 ANAIN2 IOUT1 IOUT2 Number 2 5 10 11 15 17 Function Analog current output 3 Note 2 External input to put the instrument into the zero mode External input to put the instrument into the span mode Active output indicates that analog output 1 has gone into over range Active output indicates that analog output 2 has gone into over range Active output indicates that analog output 3 has gone into over range Unused analog input 1 Unused analog input 2 Analog current output 1 Note 3 Analog current output 2 Note 4 4 1 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 2 Signal Name SPANCYL OUTSERV ZEROON SPANON ZEROCYL IZSON STARTUP PPM MET FLOWFAIL LAMPFAIL Number 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 36 Function 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
3. 2 Provide a satisfactory connection between the calibration source and the analyzer 3 Calibrate 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 required that the analyzer be recalibrated any time it is moved or 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 Before beginning a calibration of the instrument a qualified service technician must perform the periodic maintenance procedures in the EC9852 Service Manual especially checking the particulate filter The INSTRUMENT STATUS and SYSTEM TEMPERATURES screens in the EC9852 Service Manual give the ranges for correct operation of the instrument 98527600 Rev C 3 1 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 3 2 3 2 Quick Span Calibration The EC9852 analyzer must be calibrated in two stages one the calibration of the SO sampling and second for the calibration of the Gas 2 sampling Note These procedures are a quick guide
4. 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 BIT 0 PPm Metric 44 50 PIN IO bits 24 31 Really User ID 45 50 PIN IO bits 32 39 BIT 7 P4 BIT 6 P3 BIT 5 P2 BIT 4 P1 BIT 3 Spare Driver 1 BIT 2 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL BIT 1 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 Instr
5. 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 SO2 TIMED SPAN Digital setting of the span concentration the operator expects the instrument to read during an AZS cycle An entry is required only if SPAN COMP iS ENABLED 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION SPAN COMP A choice Of ENABLED Or DISABLED This function automatically corrects span readings to the expected value See Chapter 3 for additional information SPAN RATIO A microprocessor generated field that displays the value by which the span reading is multiplied to correct it to the calibration value This value is only applied if SPAN COMP is ENABLED BACKGROUND A choice Of START DISABLED or ENABLED If sTART is selected then when lt Enter gt is pressed the instrument begins an auto zero background cycle If DISABLED is selected then the instrument will not run the normal auto zero background cycle If ENABLED is selected then the instrument will run the normal auto zero background cycle BACK INTERVAL Set time in HOURS 2 4 6 8 12 24 A microprocessor controlled field that indicates when an autozero cycle will begin The results of the background are stored in the EVENT LOG Recommended leave on Default 24 GAS 2 CAL PRESSURE This is the measured cell press
6. 8 Use the lt Select gt and arrow keys to input the SO span point concentration calculated in step 5 Use the lt Select gt key to select the digit to be changed and the Up or Down arrow keys to change the value 9 Press lt Enter gt to confirm the input value Record the SO concentration and the analyzer s stable response 98527600 Rev C 3 7 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 3 8 10 Record the Instrument Gain value for future reference Press lt Exit gt to return to the primary screen 11 Repeat this procedure for the Gas 2 cycle using the SO cylinder setting the GAS 2 output menu in step 3 and reading the Aux instrument gain instead of the lower one 12 Calculate the CONVERT EFFICIENCY by performing the above procedure steps 1 6 with the H2S Bottle then comparing the output signal of GAS 3 to the expected value span concentration via the equation below CONV GAS3 reading 100 efficiency Span conc Equation 4 13 Input the calculated converter efficiency into the converter efficiency field by moving the cursor over the CONVERTER EFFICIENCY field and pressing either the Up or Down arrow A or Y to correct the efficiency 3 4 Multipoint Calibration 3 4 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 an
7. COOLER TEMP Temperature of the cooled PMT block Additional information on the sysTEM T EMP ERATUR ES screen is included in the EC9852 Service Manual 2 5 21 System Faults Screen SYSTEM FAULTS CELL TEMPERATURE SAMPLE GAS FLOW FLOW BLOCK TEMP A D INPUT 12 VOLT SUPPLY REFERENCE VOLTAGE LAMP CURRENT COOLER STATUS HIGH VOLTAGE Figure 2 31 System Faults Screen The SYSTEM FAULTS display provides a start pass or fail indication for various parameters 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 EC9852 Service Manual 2 6 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 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 The flow block temp is only present in the A series analyzer 2 40 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 2 6 1 Offset and Live Zero At any selected output range the operator may want to observe negative
8. INSTALLATION AND OPERATION 2 6 3 Analog Output Calibration Procedure This procedure is appropriate for connecting the EC9852 analyzer to a strip cart recorder Data logger DAS or to a Digital voltmeter DVM 1 Goto the INTERFACE MENU and choose ANALOG OUTPUT MI ENU 2 Select RANGE and enter the desired range by selecting the appropriate digits Press lt Enter gt to confirm your choice 3 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 must be 50 ohms per full scale voltage desired 50 ohms 1 V full scale 500 ohms 10 V full scale etc 4 If voltage output type was selected choose the desired OFFSET and press lt Enter gt If current output type was selected choose the desired output range and press lt Enter gt 5 Select ZERO ADJUST and adjust the analog output to the selected offset position for zero concentration ie if 10 OFFSET is selected pos
9. 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 is 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 ERASE LOGGED DATA When yes is selected and enter is pressed all the logged data will be erased 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 2 5 16 Network Adaptor Menu The Network Adaptor Menu allows the user to enter or change the I P address Netmask and Gateway NETWORK ADAPTER MENU I P ADDRESS 0 0 0 0 NETMASK 0 0 0 0 GATEWAY QO 0 0 QO 2 5 17 Trend Select Menu TREND SELECT MENU is the graphic display of the parameters listed TREND SELECT MENU GAS CONCENTRATION GAS CONCENTRATION GAS CONCENTRATION GAS AVERAGE GAS AVERAGE GAS AVERAGE ZERO OFFSET SPAN COMPENSATION SAMPLE FLOW SAMPLE PRESSURE CONVERTER EFFICIENCY H2S ONLY Figure 2 27 Trend Select Menu Each graph is dis
10. SO2 H2S SO SAMPLE MEASURE INSTRUMENT FAULT INSTRUMENT GAIN 14 23 17 MAY 09 Figure 2 10 Primary screen H2S with optional scrubber When power is applied the screen displays the Ecotech logo for a few seconds It then identifies the analyzer and the notation MAIN MENU appears in the lower right comer In the lower left hand corner there is the Ecotech Globe rotating indicating that the program is running After the warmup period the operation mode is designated at the left of the screen and the current gas measurements for the analyzer are indicated as shown in Figure 2 10 Instrument faults will be reported on the status line which appears one line below the instrument state display The following rules apply governing 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 ie 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 There are two instrume
11. and HV FAIL 4 1 2 50 Pin 1 O Inputs The DOZERO and DOSPAN 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 lt 0 8 V 2V lt high lt 5 V 4 1 3 50 Pin I O Outputs The status outputs are active low 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 should be less than 50 VDC and the current sunk by each output should be lt 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 98527600 Rev C 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 stru
12. non condensing sample furnished at all times Tubing used for sample gas and exhaust connections must be 1 4 inch outer diameter OD and 1 8 to 3 16 inch inner diameter 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 stainless steel 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 When an external converter is being used connections between the converter and EC9852 analyzer must be made The analyzer will be provided with two lengths of 1m tubing This tubing is used to connect the converter to the instrument in the following arrangement 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION H2S Converter EC9852 Converter INLET connected to TO CONVERTER OUTLET connected to FROM CONVERTER S a T Tubing Between 05 1 Outlet and From m converter port oe hee y Y A O 3 no 2 Ta Tubing Between Inlet and To converter port p Figure 4 H2S Converter top and EC9852 analyzer bottom sho
13. 100 averaged SO2 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 N un y Wy Device response INDEX lt SPACE gt PARAMETER lt CR gt lt LF gt 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 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 PINID Function Programs the 50 pin device ID Format PINID lt 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 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 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION 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 thro
14. 2 131 AUX Instrument Gain 132 Background voltage 133 AUX Background Voltage 134 03 Generator Output PPM 135 03 Generator On Off 136 Calibration Point 1 PPM 137 Calibration Point 2 PPM 138 Calibration Point 3 PPM 139 Calibration Point 4 PPM 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 140 Calibration Point 5 PPM 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 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Appendix B Failure Status descriptions The failure status codes provided by the 9800 downloader are described below 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 2 Digit 3 Digit 4 Digit 0 NO FAILURE NO FAILURE NO FAILURE GRAV 1 CHOPFAIL REFFAIL ZEROON GRAV 2 LAMPFAIL HEATERFAIL OUT OF SERVICE VOL 3 C
15. 4 15 Communications multidrop ococcnnnconmnmmom 4 13 Connections exXhaUSt oooooonconcccnnnoccnononnncnonnncnnnnnnnoss 2 7 Connections recorder and DAS oooncccccnnnccccnnonnnos 2 2 Connections sample BaS ooocnnninnonnocnnonoccnnnnoncnncnnos 2 6 Connections Serial oooooonnnncncnnnoccccnnncncononnnnnonnnnoos 4 5 Connections Zero aif coooonnnonoccnononcnononnnononanacnnnnanoss 2 7 D DAS connections oooccccononcnononnncnonancnncnnnncononnnnnonnnnoss 2 2 Date and time setting o oooooonnonnncnnncnonnconoconcnnnconoo 2 13 Diagnostic Menu cescceceeseeseeeeeeeeeeereeeseeeees 2 29 Diagnostic Menu illustration eeee 2 29 Digital communication oooooconncnnonnncnnononononnnonnninnnnns 4 1 Discr te COntrol dica 4 1 Display adjustment cesceseceseescecseeeneeeeeeeeeees 2 8 E Enhanced protocol oooooconocccononcnoccconnncnncccnnnacnnncoos 4 12 98527600 Rev C Event Log SCTeen orris asrau 2 35 Event Log Screen illustration cesses 2 35 Exhaust connections ooooooccnnccnocnconnconnconocn noc ncnn nono 2 7 I Illustrations 50 Pin Connector Board with Sample Choices Rear rhe nai ee Ea 2 4 Illustrations Analog Output Menu 08 2 33 Illustrations Analog Output Menu Current Output aio a 2 31 Illustrations Analog Output Menu Voltage Output E A AE 2 32 Illustrations Analyzer Front Panel eee 2 9 Illustrations Analyzer Keyboard c
16. 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 0 0 or 0 20mA 1 5 or 2 20mA 2 10 or 4 20mA 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 101 Full Scale Gas 1 102 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 Factor 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 4G M 5 nG M 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 Fill 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
17. DAL PreGiSton GWEGKS A A E A E E E dsd 2 14 24 2 AUTOMATIC iia dis 2 14 DARME ARS i REA aaa SN 2 14 2 4 4 Analyzer Calibration InStructiONS ooooonononnnncnnonnnonnonnnnnnnnncnnn cono c neon con n conce nn nena rra eran nnn anne a nennn cane cnecn nos 2 15 2 5 MENUS AND SCREENS as 2 17 BIOL Primary Sree e rea Ei EEE EEEE is 2 18 2 3 2 Main Menu AAA ek a AEE e i causoudeestcceaedasesUvedascodesievacauesessoudassedeeeses sous dariecsSesvessssoens 2 20 2 93 LIATIA EA 1T PEAREN SRE E E SIE EA E A EE A AE EIEN A 2 20 294 Measurement Men A a a iio di RRi 2 22 LIDNCANDITAOR MENL A REG ot a A Aa act aa age di 2 24 98527600 Rev C FRONT MATTER DEVO TOSE MA CM rac aries A E IAE gute ta E Edd E AAA aaa 2 26 2 37 Output Test Menu A A EE EE E EEAS N 2 27 23 8 Prep rocessor Pots Screen iia a E E EES 2 28 2 3 9 Flow Control Rots Screens ies eana E EESE AE E didas Aa aani E Sneis 2 29 DAO Vav TES TM A die 2 30 ZIL Digos Menu A a OA aE 2 31 2 12 C lculati on JACIOS ii a 2 32 23 13 Interface Menus a aaa aviso ada dire iia 2 32 2 3 14 Analog Output Ment svc coccscsscesiescasesantaksvssisoa seasescssnshuscaseaaa ged naia a ae riak AE a SaaS Paa Rira aes 2 33 2 19 Data LOR GING MON isco e e a Ea A a A Bata 2 36 2 3416 Network Adaptor MU Sn hae ees Oe atl a A es tal ed ea 2 37 25 17 Trend Select Men A dida cae 2 37 23 18 Event LOS Creen india it a A laa iaa 2 38 2 5 19 Instrument Status SCVECN cccsccceseceessecsseceesseceseceessecesseeesseceen
18. FRONT MATTER 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 Centre 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 following information Your name and telephone number Y our 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 eg 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 SO O oe 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 thi
19. GAS ID 000 Figure The items in the INSTRUMENT MI 2 12 Instrument Menu ENU address instrument settings needed to initiate Operation 2 20 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 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 7 ERASE MEMORY Memory can be erased in two different ways either RAM which does not wipe some settings or SETTINGS which will erase everything and reset all settings to default If you do not wish to erase all setting select NO when the following message is displayed THIS WILL ERASE SYSTEM GAINS ARE YOU SURE NO The word no is highlighted in this warning Scrolling to Yes and pressing lt Enter gt will erase the memory in the analyzer Caution If the analyzer memory is erased all user configured 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 MAIN GAS ID The ID address of the analyzer when Multidrop RS232 communications is used AUX GAS ID The secondary ID address of the analyzer when Multidrop RS232 communications is used 98527
20. Make EA les a Medbaey hashed R N O A tavins Sed 4 30 AGA Keyboard EOS ii 4 32 4 7 NETWORK INTERFACE OPTIONAL ccesssccesssscecssseececssccecsessececssseecesaceecsesaececsessecsssaeeecsenaesecseseeesssnneeeneaaeees 4 32 AL A C rrent Reading ide e ar AA dr dl 4 32 BT DIROMOLE MOG Goss Es 4 33 BT 3 IDOWNIOGM EEN EEE aa iria 4 34 4 7 4 Firmware Update for the Network Interface cccccccccesscescesscesecesecnsecsecaeecseeeseesseeseeeeeesecesecnsscaeeege 4 36 A O OOO 4 1 DESCRIPTION iaa 4 1 APPENDIX Boi atsscscccscacsccsscsssscctcacesenscasssschcacestssssnssccscocedessseassschcdcesdasansuecisaaedess soastscocddesdsasunstccssasdasasoastscacddeddsaseasucce 4 7 98527600 Rev C FRONT MATTER This page is intentionally left blank 98527600 Rev C FRONT MATTER Manual History The scope of this new manual covers the following analyzers o EC9852 H2S SO2 Analyzer PN 98521000 115 o EC9852 TRS SO Analyzer PN 98521000 105 This instrument is manufactured by Ecotech P L in Australia and support the new SMD Microprocessor Board Part number 98000063 4 This manual is current for firmware version 1 34 and above Ecotech Manual ID MAN 0025 Manual PN 98527600 Current Revision C Date Released August 2009 Description EC9852 Sulfur Compound Analyzer Operation Manual Revision History Rev Date Summary Affected Pages A June 2005 Initial release All A 1 October 2005 Updates for External H S converter added Vario
21. Menu 2 22 Illustrations Valve Test Menu cccceeeee 2 28 Installation ceca dis 2 1 Instrument identifierS oooooccocnconnononcconnnonnnocnno 4 14 Instrument Menu coococcconoccnononnnonononnncnnnncnnnonnncccnnnos 2 19 Instrument Menu illustratiOn oocoonccnonnninnccnns 2 18 Instrument Status SCreeN cocoooccnoonnncnoconnnooonnncnnnnos 2 35 Instrument Status Screen illustration 2 35 Interface Medi ci id 2 30 Interface Menu illustration oocoooccconnnonnncons 2 30 M Main Med ad 2 18 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Main Menu illustration ooocooccononcnoncconnninnnonno 2 18 Manual Calibration MenU oooonocnnononcnonaninnnononcnonns 2 23 Manual Calibration Menu illustration 2 23 Measurement Menu ccoooccnnnonnccnonnnnnnonnncnnnnnncnnnnnnos 2 20 Measurement Menu illustration o cooocooncc 2 19 Multidrop communications c ceceeeeeeeees 4 13 Multipoint calibration eceeeeeeceseeeteeeeeeneeeee 3 3 Multipoint calibration with over ranging 3 14 O Offset adjustMeNt ooooccocononccnconcnnconononononononncnncnncnss 2 38 Operation msaren nia e aa nine 2 11 Optional 50 Pin Connector Board Front illustration A A AA 2 3 Original protocol oonoonncnccnoncnonacononcnncnncanconcrnnann no 4 10 Output Test Mel ooccnnccnoncnoncnononononnnonnninnconananonos 2 26 Output Test Menu illustra
22. Rev C CHAPTER 1 DESCRIPTION 1 1 Specifications Note All specifications are referenced to STP standard temperature and pressure 1 1 1 Range o Display Autoranging 0 to 2 ppm selectable units and decimal places o Analog output 0 full scale from 0 0 05 ppm to 0 2 ppm with 0 5 and 10 offset o Autoranging between 2 user specified full scale values 1 1 2 Noise RMS o Measurement process 0 25 ppb or 0 1 of concentration reading whichever 1s greater with Kalman filter active o Analog output 0 25 ppb or 0 1 of analog output 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 0 1 ppb per C o Time dependent at fixed temperature p 24hours Less than 1 0 ppb p 30 days Less than 1 0 ppb 1 1 5 Span Drift o Temperature dependent 0 1 per C o Time dependent at fixed temperature p 24 hours 0 5 of reading p 30days 0 5 of reading 98527600 Rev C 1 3 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 1 4 1 1 6 Lag Time Less than 20 seconds 1 1 7 Rise Fall Time 95 of Final Value Less than 120 seconds with Kalman filter active when cycle is in measurement stage 1 1 8 Linearity Error 2 of full
23. aa netremnent emeper ature rst rd Slates hrs Beaten dariet Figure 4 7 Current Readings window 4 32 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION The parameters are grouped in three main categories Gas Concentration Instru ment Temperatures and Instrument Status o The gas concentrations group shows the current concentration average con centration and instrument gain o 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 Tem perature and Cooler Temperature o 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 7 2 Remote Mode The remote mode allows the user to access the current menu screen in the ana lyser 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 REMOTE MODE Cuerer Rooting 75 075 15 075 PPM AVG Remote Mode Nod 75 075 PPN Dewnlead 75 075 Ave Contact Ue uO x 0 000 PPM 0 000 Ave ADJUST HIGH VOLTAGE START UP SEQUENCE ACTIVE INSTRUMENT GAIN PEI m 45 14 ner a Figure 4 8 Remote Mode Window The keyboard can also be used to control the menu with the follo
24. 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 lt CR gt If no device I D is programmed the I D can be used to address any analyzer connected to the RS232 line An example of this is shown here DCONC lt CR gt 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 lt CR gt 4 8 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION 4 4 2 Bavarian Network Command 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 T Where EXT gt lt ETX gt lt BCC1 gt lt BCC2 gt lt STX gt ASCII Start Of Transmission 02 hex lt TEXT gt ASCII text maximum length of 120 characters lt ETX gt ASCII end of transmission 03 hex lt BCCl gt ASCII representation of block check value MSB lt BCC2 gt ASCII representation of blo
25. 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 secondary panel is switched to ON 2 2 1 Display Adjustments Adjust the display contrast by simultaneously pressing two keys on the front panel see Figure 2 5 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 1 2 3 INSTRUMENT IDENTIFICATION 4 Figure 2 5 Analyzer Front Panel o Contrast Up arrow A and lt Select gt for darker contrast Down arrow Y and lt Select gt for lighter contrast o Backlight The backlight brightness is fixed to maximum and cannot be adjusted o 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 2 2 2 Warmup When the instrument is initially powered up several components in the instrument are automatically configured by the microprocessor and an automatic 98527600 Rev
26. digital pots when DISABLED is selected the microprocessor does not control the digital pots and the user can manually adjust the 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 LOOPS will be set to ENABLED when the primary screen is displayed 2 5 7 Output Test Menu 98527600 Rev C OUTPUT TEST MENU PREPROCESSOR POTS FLOW CONTROL POTS VALVE TEST MENU Figure 2 17 Output Test Menu 2 27 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 28 The OUTPUT TEST MENU reports readings for digital potentiometers and valves 2 5 8 Preprocessor Pots Screen PREPROCESSOR POTS MEASURE COARSE ZERO 42 REFERENCE ZERO a MEASURE GAIN REFERENCE GAIN TEST MEASURE HIGH VOLTAGE ADJUST LAMP ADJUST REF VOLTAGE 4 016 VOLTS S02 0 400 PPB VOLTAGE 2 327 VOLTS VOLTAGE 700 VOLTS Figure 2 18 Preprocessor Pots Screen Preprocessor pots are electronically controlled digital potentiometers used to adjust the operation of the preprocessor board Each pot is set with digits 0 99 in a non wraparound scrolling field MEASURE COARSE ZERO Software controlled pot for the electronic zero of the measure channel REFERENCE ZERO Sets the zero for the reference channel and is controlled by the microprocessor MEASURE GAIN Sets gain for the measure channel and is controlled by the microp
27. 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 1 The software you are installing for this hardware e Ecotech 9800 Analyser has not passed Windows Logo testing to verify its compatibility with Windows lt P 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 The driver installation is now complete 4 6 EC9800 Communicator Software The EC9800 Communicator software is supplied on CD with the EC9852 series 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 section4 6 3 4 26 98527600 Rev C CHA
28. 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 analyzer Connection type 4 30 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION Choose the type of connection to communicate with the Direct Serial Connection or Modem Connection or USB 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 Connection Analyzer Select the analyzer to communicate with from a detected list 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
29. 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 61 cm deep and fits into a 19 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 an 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 secure to ensure accurate operation of the analyzer The following information describes connection t
30. requires that the calibration of the EC9852 be checked periodically and if necessary that the instrument s zero and span be adjusted to restore accurate calibration U S EPA Definitions Section 12 of the QA Handbook for Air Pollution Measurement Systems defines two types of calibration checks a Level 1 check and a Level 2 check A Level 1 zero and span calibration check is an authoritative assessment of the analyzer calibration using an SO span gas standard that is certified traceable to an SRM or CRM and the results of the Level 1 check can be used to adjust the analyzer zero and span to restore accurate calibration A Level 2 zero and span check is an informal calibration check often with an uncertified SO standard used to monitor the day to day relative readings of the analyzer The results of a Level 2 check must not be used to adjust the analyzer calibration but may indicate the immediate need for a more authoritative Level 1 calibration check 3 6 2 AZS Outline When used with a certified traceable SO span standard and external zero standard the EC9852 Automatic Zero Span AZS feature may be used to automatically carry out a Level 1 calibration check on a periodic basis Further when the span comp in the instrument is ENABLED the EC9852 automatically and continually compensates subsequent concentration measurements for any minor calibration drift as follows ISO lrean Lazs ISO Juncome Equation
31. 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 32 Figure 2 32 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 FULL SCALE and ZERO ADJ fields These adjustments may be necessary due to tolerance buildup power supply variation etc in either the analyzer or the measurement device 2 6 2 Over Range Adjustment Over ranging is also enabled from the ANALOG OUTPUT MENU The OVER RANGE setting 1s the auxiliary range the operator chooses to track the 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 98527600 Rev C 2 41 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 42 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 t
32. 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 Active output indicates that the sample flow is less than 0 1 slpm Active output indicates that the lamp has failed Note 6 98527600 Rev C Signal Name CHOPFAIL SPAN_OOR SPAREOC1 HEATERFAIL SPAREOC2 PS FATI HV FATI SYSFAII ELECTST Li Ls Li POWER_ON SPDRVR1 AGND DGND PGND CGND 12V 4 1 1 1 No tes Number 37 38 39 40 41 42 43 44 45 46 47 48 1 14 16 12 13 34 49 50 3 4 CHAPTER 4 DIGITAL COMMUNICATION Function Active output indicates that the chopper has failed Vote 7 Active output indicates that the span ratio is out of range Vote 8 Spare open collector output 1 Active output indicates that a system heater has failed Vote 9 Spare open collecto
33. 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 98527600 Rev C 4 29 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 E button choosing the Comm Settings menu option or by pressing F2 Click on one of the icons on the left of the 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 EC9800 Communicator will write acquired data to Clear the text box if a text file is not required If the file exists Choose Append to have the data added to the end of an existing
34. to be replaced Record the final stable zero air response as Zsop 98527600 Rev C CHAPTER 3 CALIBRATION Note The EC9800 analyzer family does not have zero and span pots that are physically like those on traditional instruments Zero is set automatically on all units Span can be set manually by adjusting the instrument readings or by adjusting the instrument gain 5 Adjust the zero air flow and the SO flow from this standard SO cylinder to provide a diluted SO concentration of approximately 80 of the full scale range of the analyzer Ensure that the total air flow at the output manifold exceeds the demand by at least 0 75 slpm to ensure that no ambient air is pulled into the manifold vent The exact SO concentration can be manually calculated from SO x E SO lov SO sto SO F o Equation 3 3 Where SO our diluted SO concentration at the output manifold ppm SO srp concentration of the undiluted SO standard ppm Eso flow rate of the SO standard corrected to 25 C and 760 Torr 760 Torr 101 kPa slpm F flow rate of the dilution air corrected to 25 C and 760 Torr slpm 6 Sample the SO concentration until a stable response is obtained 7 From the primary screen press the Up or Down arrow key Respond SPAN to the screen query START MANUAL CALIBRATION by pressing the Up or Down arrow key then lt Enter gt The cursor now appears in the first digit of the concentration field
35. 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 All 9800 commands follow the command format as specified in this section The specific 9800 commands and their functions are described in section 4 4 5 98527600 Rev C 4 7 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 9800 Command Format lt ccccccccc gt lt III gt lt D gt lt NN gt lt PPPPPPPPPPPP gt lt T gt Where lt CCCCCCCCC gt command in ASCII 1 to 9 characters SIII three digit instrument ID in ASCII format e single digit data type in ASCII optional SUN number of parameters in ASCII 1 to 9 optional 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
36. zero mode D3 instrument is in span mode D4 unused D5 unused D6 units 1 ppm 0 mg m3 D7 instrument is performing a background cycle 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 mmm instrument serial number 0000 the response will be 6 pad zeroes if the original or enhanced protocol is selected If the Bavarian protocol is selected the response will be 10 pad zeroes BCC1 first byte of the block check calculation BCC2 second byte of the block check calculation 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION The block check calculation is performed by clearing the block check number An iterative EXCLUSIVE OR is performed on this number with every character in the message from the lt sTx 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 gt lt ETX gt lt BCC1 gt lt BCC2 gt Command ST Function Bavarian network command that sets the instrument mode to zero span or measur
37. 2 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 Generate 5 additional concentrations by decreasing Fso or increasing F Be sure the total flow exceeds the analyzer s total flow demand For each concentration generated calculate the exact SO concentration using Equation 3 3 Note The recommended multipoint span concentrations are 20 40 60 80 100 of Full Scale minimum of 1LPM Record the concentration and the analyzer s response for each concentration after a stabilization period of 32 minutes per point 3 9 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 6 Plot the analyzer s responses versus the corresponding SO concentrations and draw or calculate the calibration curve as discussed in the following section 7 Repeat steps 1 6 Replacing Gas 1 SO2 with Gas 2 3 4 4 Calculating Multipoint Calibration Results 3 4 4 1 Manual Calculations Used when Excel not available Determine the percent difference between instrument response and the calculated concentration for both gas types 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 Chec
38. 200 Inst 03 12 01 10 00 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 01 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 02 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 03 0 001012 ppm 3 min M 2200 Avg 03 12 01 10 03 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 04 0 001012 ppm 1 min M C200 Inst 03 12 01 10 05 0 001012 ppm 1 min M C200 Inst 03 12 01 10 06 0 001012 ppm 3 min M c200 Avg 03 12 01 10 06 0 001012 ppm 1 min M C200 Inst 03 12 01 10 07 0 001012 ppm 1 min M C200 Inst 03 12 01 10 08 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 09 0 001012 ppm 3 min M 2200 Avg 03 12 01 10 09 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 10 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 11 0 001012 ppm 1 min M 2200 Inst 03 12 01 10 12 0 001012 ppm 3 min M 2200 Awg z j ha n2 19011019 nnna nara A enin conn Inat Download Complete COM1 Closed y 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 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 unit
39. 3 5 Where SO kean the corrected instrument concentration reading based on the span compensation ratio obtained during the previous AZS cycle SO luncome the instrument concentration reading without compensation fazs the span compensation ratio determined during the previous AZS cycle the default value of fazs is 1 000 until the first AZS cycle is carried out 98527600 Rev C 98527600 Rev C CHAPTER 3 CALIBRATION During an AZS cycle the EC9852 measures the concentration of the span gas provided to the span gas port This measurement reading should equal the actual concentration of the span gas standard If it does not the instrument sets SO Ireap SO3 5 p and calculates a new f 7s as follows AO SO UNCOMP AZS Equation 3 6 Where SO stp the certified concentration of the span gas standard at the span gas port The new value of f zs is then used to compensate subsequent measurement readings until the next AZS cycle The zero gas reading during an AZS cycle is used for reference purposes only The reading is not used to compensate future values regardless of whether COMPENSATION iS ENABLED Or DISABLED The analyzer automatically runs a zero cycle background at midnight using the external zero air and compensates future readings based on this value Use of a Level 1 span calibration with SPAN COMP ENABLED and CALIBRATION TIMED Or CAL MODE CYCLE adjusts the instru
40. 600 Rev C 2 21 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 5 4 Measurement Menu MEASUREMENT MENU UNIT SELECTION PPB DECIMAL PLACES AZ AVERAGE PERIOD 1 MINUTE FILTER TYPE KALMAN ANALYSE FOR SO TS GAS MEAS TIME 0005 MINS GAS 2 NOISE 0 120 PPB GAS 1 OFFSET 0 00 PPB GAS 3 OFFSET 0 00 PPB Figure 2 13 Measurement Menu The MEASUREMENT MENU consists of items needed for basic operation and data integrity UNIT SELECTION PPM parts per million mc m milligrams per cubic meter nc m nanograms per cubic meter uG M micrograms per cubic meter PPT parts per trillion or PPB parts per billion Note If the gravimetric units are selected mG M G M or nG M then the conversion factors listed below will apply depending on the CONVERSION TEMP selected Not used for TS analyzer To convert 1 PPB Gas to ug m E 0 C 20 C Zoe Multiply by a TO CONVERSION TEMP Sets the temperature that should be used in internal calculations to convert the concentration from volumetric units ppm ppb ppt into gravimetric units mG M G M or nG M in DEGREES CELCIUS 0 20 25 This menu option is only displayed when the gravimetric units are selected DECIMAL PLACES Set the number of decimal places in which the data is displayed on the screen 0 1 2 3 40r 5 2 22 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION Note Th
41. AZS cycle should be initiated immediately after multipoint calibration so that a valid reference point can be determined As described in this section two modes of operation are possible In the Internal mode the zero air scrubber is used as the source of zero air In the External mode the user must supply zero air through the zero inlet of the optional EZS valve In the External mode the Outlet port is connected with a short piece of tubing to the Inlet port In either mode the user must supply the span gas In the Internal mode the span gas must be connected through the analyzer to the Span port bottom port of the internal valve manifold In the External mode the span gas is connected to the Span port of the optional EZS valve manifold These gases zero and span must be provided to the analyzer at atmospheric pressure such as through a manifold as shown in Figure 3 1 3 6 3 AZS Setup 1 Enter the CALIBRATION MENU 2 At the first upper CALIBRATION prompt select TIMED 3 Atthe TIMER INTERVAL prompt set the number of hours between timed calibrations Typical settings are 23 or 24 hours 4 Atthe STARTING HOUR prompt enter the hour of the day when AZS is to commence 5 Atthe prompt CYCLE TIME enter the number of minutes required for the span and zero steps to run 6 Atthe so2 TIMED SPAN prompt enter the concentration value of the span gas to be used 7 At the SPAN COMP pro
42. C 2 9 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 10 zero is run This process requires about 30 minutes During the startup period several messages are displayed on the initial screen These indicate the progression toward normal operation Initial Screen Message Instrument Activity REFERENCE ADJUST Lamp turned on and allowed to stabilize PMT high voltage set AUTO ZERO ADJUST Coarse zero of measurement channel with zero air flowing ELECTRONIC ZERO ADJUST LECT BACKGROUND FILL Cell filling with zero air BACKGROUND MEASURE Zero reading from measurement cell Final determination of system zero Cell filling with sample air SAMPLE MEASURE Instrument operational must be calibrated if this is the first power up sequence Note The EC9852 will re run the above startup routine whenever power has been lost for greater than two minutes If power is lost for less than two minutes the analyzer will return to its previous settings without the startup routine UV LAMP STABILISATION UV lamp is warming up to a stable temperature 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 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 informa
43. CHAPTER 4 DIGITAL COMMUNICATION Command DSPAN Function Commands the unit under test to enter the span mode and stay there Format DSPAN lt DEVICE 1I 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 DTEMPS Function Dumps the SYSTEM TEMPERATURES MENU variables to the serial port Format DTEMPS lt DEVICE 1 D gt TERMINATOR Device response TEMP1 TEMP2 TEMP3 TEMP4 TEMP5 TEMP6 TEMP7 TEMP8 TEMP9 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 TEMP10 manifold temperature All temperatures are in floating point format The temperature field is null if it does not apply to the analyzer type Command DTREND Function Dumps the requested trend buffer to the serial port 98527600 Rev C 4 21 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 22 Format DTREND lt DEVICE 1 D gt 1 1 lt PARAMETER gt TERMINATOR Where PARAMETER GASCONC for the last 100 instantaneous SO2 readings GASAVG for the last
44. 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 com mand should be issued to request the next packet of data GETDATA lt DEVICE I D gt 2 1 lt REQUEST gt TERMINATOR Where REQUEST O 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 to this serial command 98527600 Rev C 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 l
45. ER 2 INSTALLATION AND OPERATION REF VOLTAGE Reference voltage as measured on the detector PCA in the A series and the pressure preamp PCA in the B series This voltage is indicative of the UV lamp intensity CONC VOLTAGE Voltage from the preprocessor proportional to the fluorescent signal from the reaction cell This voltage is represents the actual measurement of gas ANALOG SUPPLY 12 volt primary power supply DIGITAL SUPPLY 5 volt microprocessor power supply HIGH VOLTAGE PMT power supply high voltage reading LAMP CURRENT UV lamp power supply current VERSION Indicates the current firmware version installed in the Microprocessor Additional information on the INSTRUMENT STATUS screen is included in the EC9852 Service Manual 2 5 20 System Temperatures Screen SYSTEM TEMPERATURES CELL TEMP 50 7 DEG C CONV TEMP 315 0 DEG C internal H2S only CHASSIS TEMP 28 1 DEG C FLOW TEMP 49 9 DEG C COOLER TEMP 10 3 DEG C Figure 2 30 System Temperatures Screen The SYSTEM TEMPERATURES screen displays information continuously generated by the microprocessor CELL TEMP Temperature of the reaction cell CONV TEMP 98527600 Rev C 2 39 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Temperature of the internal converter CHASSIS TEMP Temperature of air inside the chassis measured on the microprocessor PCA FLOW TEMP Temperature of the Flow Control Block
46. ER OPERATION MANUAL INDEX 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 5 50 Pin Connector Board with Sample Choices Rear illustratiOn eeren iine n 2 4 9 9800 command Set oooooooncccnonononancnonccnnnnananonos 4 7 4 17 A Analog Output Menu eee 2 31 2 33 Analog Output Menu illustration eee 2 33 Analog Output Menu Current Output illustration 2 31 Analog Output Menu Voltage Output illustration 2 32 Analyzer Front Panel illustration 2 9 Analyzer Keyboard illustration 006 2 11 Analyzer Rear Panel illustration ooooo 2 2 Automatic zero and span AZS ooooocccicccicnconccnnos 3 15 B Bavarian command Set cccecssseeeeereeeees 4 8 4 15 Bavarian protocol cescceceeseeseeeeeeeseeereeeeeeeees 4 11 C Cable Connections illustration oooo ommom 4 6 Calibration Menu Manual oooonnnnnncccnonoccninonnnononns 2 23 Calibration Menu Timed ooooocnnnoncccnononononananononns 2 22 Calibration referencesS oooooconoccnononcccnonancnnonnncnnnnns 3 19 Calibration requirements ooccooocconoccnonnononncnnnaninnnn 2 41 Calibration initial ooonnonnnnnnocccn naccnononanonoo 2 14 3 2 Calibration multipOint eee eeeeeeeeeeeeeeeeeees 3 3 Calibration multipoint with over ranging 3 14 Command set 9800 occcnnnnccococcnoncconananannnos 4 7 4 17 Command set BavarlaO ooooooconnnnoccnnnonnnonno 4 8
47. ERATION 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 flow is less than 0 1 slpm SYSFAIL Indicates one or more components have failed 0 No Failure 2 OUT OF SERVICE Out of service switch has been activated on analyzer 2 VOL Measuring in volumetric units i e PPM 98527600 Rev C
48. FF 1s used for operator control of valves VALVE SEQUENCING will automatically be set to on whenever the primary screen is displayed Diagnostic Menu DIAGNOSTIC MENU MULTIDROP PORT TEST NO WATCHDOG TEST NO DISPLAY TEST NO ANALOG OUTPUT TEST NO Figure 2 21 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 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 lt Select gt key to verify that the alternate pixels are visible Press the lt Pg Up gt 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 1 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 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL CHECK 2 Displays a checkered pattern in alternate spaces to CHECK 1 ANALOG OUTPUT TEST Sends a 0 1 Hz sawtooth waveform t
49. HOPFAIL 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 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 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OP
50. Laboratory MD 77 Research Triangle Park NC 27711 January 1981 3 18 98527600 Rev C 4 0 Digital Communication 4 1 Discrete Control CHAPTER 4 DIGITAL COMMUNICATION The EC9852 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 monitor the current state of the analyzer and download data that has been logged to the internal FLASH memory Two control inputs are available through the 50 pin I O connector They are DOZERO and DOSPAN 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 The 50 pin connector on the back of the instrument will have functions assigned to pins per the following table Note 1 98527600 Rev C Signal Name IOUT3 DOZERO DOSPAN OVERANGE1
51. N 3 9 3 4 4 Calculating Multipoint Calibration ResultS oononnnnncinncnnnnnncnnonnnonnnnn cono cono creo nc rn nora conan cnn nrnnnrnrnnncn nes 3 10 3 4 5 Calculating Converter Efficiency sssaaa aiaiai esiratas iki aie a aao iE aa 3 12 3 5 CALIBRATION REQUIREMENTS WHEN OVER RANGING IS EMPLOYED oooooooccncnccononononononccncananonnncocononnnnanononoos 3 12 3 6 AUTOMATIC ZERO SPAN CHECKS AZS cccccccessssceceeseececseseecesseeecsesaececseeeecesaeeecsesaececseaeeeseaeeecseaeeeeeenaeeess 3 14 FiO TUES EPA Definitions ss cx tesa aos ats ese a ots eats ieee vo bev ta esas eae sbeebs sues pi a 3 14 3 0 2 ALS Quiles A 3 14 3 63 AZS SUD A st IA sabes caer gad bee g to yetgaate 3 16 3 6 4 Description Of the AZS Proces S sicisseisiecssetsosiaseasipascestnesiodecbdateesasseasivedsesiestisedideegceeceosceasdpetcestiseionneatease 3 17 3 CALIBRATION REFERENCES iss s vesecesssnsssesuvevececovtesvesatetess r a e r a ce steseeveviteds cuptuocesedevosessevecentovedespensaneckeeseesey 3 18 4 0 DIGITAL COMMUNICATION ooconcocoonononnonnocnnnnncnncononnonncnnocononccnnconcnnonncononnoon cc nono nonccnrooncn noc co noc crono non noo conos 4 1 AV DISCRETE CONTROL iisen e eare niece EE EE EOE E Ee ESEVE OREA 4 1 4 1 1 50 Pin VO Functional Specification oocooonooonconnnonnnanannonanonanonncnnn E E E E O non a i 4 1 ALDO YO ANPUis Ea ct A A A AAA R hess 4 4 43 30 Pin VO QUIpuis td di da dd ds 4 4 4 20 ERIAE GONTROL i2c0 0c ssapsetisssucsssepeedbscensssssssbe
52. O2 OUTPUT MENU OUTPUT TYPE EVENT LOG NETWORK ADAPTOR GAS 3 OUTPUT MENU OFFSET TS OUTPUT MENU FULL SCALE INSTRUMENT STATUS ZERO ADJUST ee eae OVER RANGE VER RANGI SYSTEM TEMPERATURES eae see TOTAL CAPACITY 9 oe ERASE LOGGED DATA REF VOLTAGE RANGE SYSTEM FAULTS CONC VOLTAGE GAS 1 CONCENTRATION OUTPUT TYPE ANALOG SUPPLY GAS 2 CONCENTRATION OFFSET DIGITAL SUPE DY GAS 3 CONCENTRATION FULL SCALE HIGH VOLTAGE GAS 2 AVERAGE ZERO ADJUST LAMP CURRENT GAS 2 AVERAGE OVER RANGE VERSION GAS 3 AVERAGE OVER RANGING ZERO OFFSET SPAN COMPENSATION RANGE CELL TEMPERATURE SAMPLE FLOW OUTPUT TYPE SAMPLE GAS FLOW SAMPLE PRESSURE OFFSET FLOW BLOCK TEMP CONV EFFICIENCY FULL SCALE A D INPUT ZERO ADJUST 12 VOLT SUPPLY CELL TEMP OVER RANGE REFERENCE VOLTAGE CONV TEMP OVER RANGING LAMP CURRENT CHASSIS TEMP COOLER STATUS FLOW TEMP HIGH VOLTAGE COOLER TEMP Figure 2 7 Menu Structure 98527600 Rev C 2 17 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Note The values shown in the illustrations are examples only Your display will be affected by the settings you choose 2 5 1 Primary Screen SO TRS TS SO SAMPLE MEASURE INSTRUMENT FAULT Eo INSTRUMENT GAIN 06 2 12 14 23 17 MAY 05 MAIN MENU Figure 2 8 Primary Screen TS SO H2S H amp S SO SAMPLE MEASURE INSTRUMENT FAULT INSTRUMENT GAIN 14 23 17 MAY 09 Figure 2 9 Primary screen H2S 2 18 98527600 Rev C 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION
53. OMM Function Performs a character dump to the serial output when called Format DCOMM lt DEVICE I D gt TERMINATOR Device response lt ACK gt if the unit under test performs a successful loopback lt Nak gt if not 98527600 Rev C 98527600 Rev C Command DCONC Function CHAPTER 4 DIGITAL COMMUNICATION Sends the current instantaneous concentration data to the serial port Format DCONC lt D EVICE Device response GAS1 lt SPAC E gt GAS2 lt SPACI I D gt TERMINATOR E gt GAS3 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 MSB Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 LSB Command D Function EV ENT SYSFAIL FLOWFAIL LAMPFAIL CHOPFAIL CVFAIL COOLERFAIL H RI P HV FAIL OUT OF SERVICE EATERFAIL EFFAIL S FAIL instrument is in zero mode instrument is in span mode instrument is performing a background S ET PPM sele reserved cted CLEAR gt MG M3 Dumps the Event Log message buffer to the serial port Format D EV ENT lt D EVICE EDISTI Device response XX Message XX
54. 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 Comet Ou 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 98527600 Rev C 2 5 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 6 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 EC9852 should be maintained at ambient pressure with any excess flow vented to the atmosphere The EC9852 requires at least 1 25 slpm of particulate filtered lt 5 micron dry
55. PEED COARSE Software controlled pot that controls the pump speed which controls sample flow rate 98527600 Rev C 2 29 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 30 GAS FLOW Instrument generated information from the flow controller GAS PRESSURE Atmospheric pressure instrument generated information 2 5 10 Valve Test Menu INT INT INT AUX EXT EXT EXT VALVE SEQUENCING VALVE TEST MENU VALVE 1 VALVE 2 VALVE 3 VALVE 2 MEASURE ZERO GAS SPAN GAS OPEN CLOSED CLOSED CLOSED OPEN CLOSED CLOSED ON Figure 2 20 Valve Test Menu The VALVE TEST MENU allows the valves to be set oP EN Or CLOSED according to the operator s choice To manually operate the valves VALVE s to be turned off See the pneumatic diagram in the EC9852 Service Manual for details on plumbing connections INT VALVE 1 Sample stream INT VALVE 2 EQUENCING needs Used to divert gas from sample through H2S converter during SO cycle External H2S only INT VAVLE 3 GAS 2 from HTO 1000 H2S 1100 EXT MEASURE Externally supplied sample stream EXT ZERO GAS Externally supplied zero air EXT SPAN GAS Externally supplied span gas 98527600 Rev C 2 5 11 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION VALVE SEQUENCING Set to either ON or OFF ON is used for automatic valve control of zero span cycles O
56. PTER 4 DIGITAL COMMUNICATION 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 1 2 Ensure that all Settings are correct Refer to section 4 6 3 Under the Mode menu tick the Data Acquire option On the Comm menu select Start In the 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 In the 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 NOTE Data Acquire mode only retrieves data already logged by 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 98527600 Rev C 4 27 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 101 x Comm Mode AlE Date Time Gasi Unt Period Function Status_ Failure Status Type lt 03 12 01 09 59 0 001013 ppm 1 min M 2
57. S232 communication mode Choices are COMMAND and TERMINAL T ERMINAL 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 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 14 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 2 6 The setting of analog output ranges has no impact on the measurement range of the analyzer it only affects the analog output scaling 98527600 Rev C 2 33 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 5 14 1 GAS 1 GAS 2 GAS 3 Current Output Menu SO2 OUTPUT MENU RANGE 500 PPB OUTPUT TYPE CURRENT CURRENT RANGE 0 20 MA FULL SCALE 0 00 ZERO ADJUST 0 00 OVER RANGE 20000 PPB OVER RANGING DI
58. SABLED Figure 2 24 Analog Output Menu Current Output RANGE Set upper range limit in digits to desired GAS 1 GAS 2 GAS 3 concentration This value cannot exceed the OVER RANGE value OUTPUT TYPE Setting must match the jumper settings on the 50 pin I O board if installed CURRENT Or VOLTAGE CURRENT RANGE Choices are 0 to 20 MA 2 to 20 MA and 4 to 20 MA FULL SCALE X XxX a correction factor for full scale setting Used when calibrating the analog outputs ZERO ADJUST 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 See section 2 6 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 34 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 2 5 14 2 GAS 1 GAS 2 GAS 3 Voltage Output Menu SO2 OUTPUT MENU RANGE 500 PPB OUTPUT TYPE VOLTAGE OFFSET 0 FULL SCALE 0 00 ZERO ADJUST 0 00 OVER RANGE 20000 PPB OVER RANGING DISABLED Figure 2 25 Analog Output Menu Voltage Output RANGE Set upper range limit in digits to desired concentration See section 2 6 Thi
59. YH ecotech environmen tal monitoring solutions EC9852 Sulfur Compounds Analyser So2 TRS TS User Manual www ecotech com FRONT MATTER EC 9852 Quick Start Guide Step 1 Installation e Inspect analyzer for damage before turning on Service Manual 1 1 e Select an appropriate location Operation Manual 2 1 1 e Connect Gas lines Operation Manual 2 1 2 2 e Connect Analog Output Cables Operation Manual 2 1 2 1 e Connect RS232 Cables Operation Manual 4 2 1 e Check the mains power selection switch 115 or 230 VAC Operation Manual 2 2 Connect AC Mains Power Step 2 Start up Operation Manual 2 2 Set Service Switches Turn On power Service Manual 1 1 2 Operation Manual 2 2 e The Display should read 9852 Analyzer e Adjust the Display Contrast if required Operation Manual 2 2 1 e Verify that the software is running by observing the Ecotech Globe rotating in the bottom left hand corner of the display Sa 3 Operation Verify Instrument warm up and operation mode Service Manual 2 2 e Set the correct time and date Operation Manual 2 3 3 e If using RS232 configure the Interface menu Operation Manual 2 5 12 e Check SYSTEM FAULTS menu All PASS Operation Manual 2 5 21 Verify other menu settings Service Manual 4 2 Step 4 Calibration Perform a quick single point calibration Operation Manual 2 4 e Setup and Calibrate the Analo
60. aa Ileana 1 3 LAALEIO DMT Ai 1 3 LTS SPAN Drill ii iii ias 1 3 LAO Lag TAM AA idos 1 4 1 1 7 Rise Fall Time 95 of Final Value opiriias iaoiae aiar aE a aAa EES 1 4 LAS LINEAN ELTON Di va aa eed Sia cava tate EE a Sea haa laa Cavin Sas O das aba ua ca ee tnd iii E 1 4 DDD Precision A a Sa ata BER esi bite bE 1 4 LADO Sample Flow RAE cz skedeceeividee Maes tes oie A da dede 1 4 LL Sample Pressure Dependence ocio o e iii 1 4 L 1 12 Temperature RANGE iniaatas eneee a Aoi naan aaae E aone s aaia 1 4 VA E A LA PEI A II A dada ETA 1 4 LATA Ma dbeaeaganeds ches de iria idea dass 1 4 LIIS Anal g OPUS aa 1 4 1 16 Digital Output ci ac 1 5 2 0 INSTALLATION AND OPERATION occcccconnccnnccnnnccnoccnanccnoccnacccnnoccnnncconcnancconoccnncncococcnnocconocconccconoscnooccnnosns 2 1 2 1 MECHANICAL INSTALLATION cdo a dad ai Sete ii iia arden ass 2 1 ZA iS ele ciang a TOCAUON Si Aa 2 1 DD CONNECUONS a A A act 2 1 2 2 ACGROWER CONNECTION od 2 8 2 21 Display Adjustments gt caida a e O A Id A id ds 2 8 2 2 2 Warmup Li A siii 2 9 DIOPERA TON a areas 2 11 2 3 1 General Operation Informati0n mocnonnnnninnmommmmnnminnccnnnncnnn cono cnno cacon nora nc nn conan ran nnnnnnn anne nn nc ne cn necn nens 2 11 2 3 2 Using the Menu and Making Entries oononinincnnonnnonnnnnnonnnonnnnn corno neon no on nooo nena nena aran aran ana anne cnn cnc cn ncon acens 2 12 2 523 Setting the Date nd TIM iii idas 2 13 2 4 ANALYZER CALIBRATION e ae e A nthe ADs A AR aaa DAA 2 14
61. ality Alternating current Caution hot surface Caution refer to accompanying documents Caution risk of electric shock EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Safety Requirements O 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 EC9852 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 manufacturer 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 O O O O 100 120 220 240V 10 50 60 Hz 250 VA max 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 I 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 98527600 Rev C
62. alyzer 2 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 DAs 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 DAs outputs is 1000 ohms The recorder and DAS input resistance should be greater than 500K ohms for a measurement error no greater than 1 2 4 98527600 Rev C 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 Current Output Connections When using the EC9852 without the 50 pin I O
63. alyzer 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 This procedure encompasses both a Multipoint calibration and a Span Zero calibration This procedure replaces that of section 3 3 when both calibrations are required 3 4 2 Apparatus The apparatus discussed in section 3 3 2 above should be used to perform the Multipoint Calibration In addition to this the following may also be used o NATA NIST Traceable Temperature sensor o NATA NIST Traceable Barometric sensor o NATA NIST Traceable SO Gas cylinder with dual stage regulator o NATA NIST Traceable H2S Gas cylinder with dual stage regulator 98527600 Rev C CHAPTER 3 CALIBRATION Laptop Computer with Microsoft Excel Bios DryCal flow calibrator Ecotech portable zero air source Ecotech portable Dilution Gas Calibrator 3 4 3 Procedure 98527600 Rev C 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 10 1 Setup the dilution gas calibrator to obtain a SO gas concentration of 80 of the EC9852 s operating range as discussed in section 3 3 4 Perform a manual calibration at this point Note Record the analyzer instruments gains before and after the calibration Setup the dilution gas calibrator to obtain Zero air and ensure that the EC985
64. aptop that may not have a serial port 4 5 1 Installing the Driver on a PC The following are instructions to install the EC9852 analyzer to a computer through the USB connection It will provide efficient communication between the analyzer and computer with the use of the C9800 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 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 42 or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended O 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 98527600 Rev C 4 25 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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
65. assword will disappear and the LOCkED message will take its place The analyzer is now locked 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 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 lt Select gt and arrow keys scroll the numbers of the password entered previously 9 When the password is displayed press the lt Enter gt key The password will disappear and be replaced by the message UNLOCKED 10 The analyzer is unlocked and the menu configuration can be altered 98527600 Rev C 2 45 CHAPTER 3 CALIBRATION 3 0 Calibration 3 1 Overview This chapter consists of the following o a general discussion of analyzer calibration o a description of the multipoint calibration procedure o a description of automatic zero span AZS setup a a discussion of the AZS feature The EC9852 Sulfur Compound analyzer is a precision measuring device that must be calibrated against a known source of sulfur dioxide that is traceable to a National Institute of Standards and Technology NIST standard Formerly NIST was the National Bureau of Standards or NBS In general terms the calibration process consists of the following steps 1 Establish a reliable and stable calibrating source
66. at the cursor will not enter a field the field contains microprocessor generated information 2 12 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 2 3 2 3 Exiting Without Making a Change If you decide not to make 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 98527600 Rev C 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 2 13 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 14 2 4 Analyzer Calibration When the EC9852 analyzer is powered on for the first time the analyzer must be calibrated to ensure accurate measurements The analyzer does not require recalibration after further power interruptions or resets However 1f 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 6 This means that the instrumen
67. cce 2 11 Illustrations Analyzer Rear Panel 0 2 2 Illustrations Cable Connections cc ceeeeee 4 6 Illustrations Diagnostic Menu ceeeeeeeeeee 2 29 Illustrations Event Log Screen oocccncnicnocconcnncns 2 35 Illustrations Instrument Menu 0oooccnccccnnnonccnnnnnno 2 18 Illustrations Instrument Status Screen 2 35 Illustrations Interface MenU oooooccconcccnonanccinnnnos 2 30 Tllustrations Main Menu ooococnnnnccnononcnononancncnnnnos 2 18 Illustrations Manual Calibration Menu 2 23 Illustrations Measurement Menu 0006 2 19 Illustrations Optional 50 Pin Connector Board Eros 2 3 Illustrations Output Test Menu eee 2 25 Illustrations Over Range as Seen on a Strip Chart Recorders iensen a a 2 39 Illustrations Preprocessor Pots Screen 2 26 Illustrations Primary Screen n 2 17 Illustrations Serial Interface Connection Diagrams 4 6 Illustrations SO2 Analyzer Calibration Using Cylinder Gas Dilution ieee eceseeeeeeeeeeeees 3 4 Illustrations SO2 Calibration Using a Permeation DUDO cnica 3 12 Illustrations Status Output Connections 4 5 Illustrations Strip Charts Illustrating Offset 2 38 Illustrations System Faults Screen 2 37 Illustrations System Temperatures Screen 2 36 Illustrations Test Menu cccocnnoncncncccnocanonanonininonn 2 24 Illustrations Timed Calibration
68. ck check value LSB The block check algorithm begins with 00 Hex and exclusive OR each ASCII character from lt sTxX 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 I D of 97 lt STX gt DA097 lt EXT gt 3A The block check calculation is best shown by the following table a 00 ot00 0100 110 o f o on 000 ooo o oo 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 98527600 Rev C 4 9 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL the I D of 97 is sent as the sequence 097 All I D strings must have 3 digits and the user should always pad with ASCII zero characters 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 e f e f onw oor or wo oowoo 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 EC9852 via the INTERFACE MENU These are provided so the user may select the ap
69. cture 4 2 1 Serial Connections The EC9852 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 98527600 Rev C 4 5 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 2 2 Cable Connections Figure 4 2 Serial Interface Connection Diagrams 4 6 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION 4 3 Serial Terminal Control If the EC9852 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 characters 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 Key Key Label Function Enter ENTER enter 7 HOME exit 9 PG UP page up 8 UP ARROW up 2 DOWN ARROW down 6 RT ARROW select 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
70. e or runs a background cycle 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 k for span s to start background cycle 4 4 5 2 9800 Command Set Note The TERMINATOR can be either a lt cr gt or lt LF gt The lt DEVICE 1 D gt Three Digit Instrument LD in ASCII Format Command ABORT Function Commands the addressed device to abort the current mode and return to the measure mode Format ABORT lt DEVICE I D gt TERMINATOR 98527600 Rev C 4 17 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 18 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 response GAS lt SPACE gt STATUS WORD lt CR gt lt LF gt All numbers are in floating point format See the Dconc 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 DC
71. e 4 10 Status Downloading bar 98527600 Rev C 4 35 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 36 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 lt instrument IP address gt PUT lt file path gt cobox rom X2 Wait for 20 seconds and then use the following instruction to load the COB file tftp i lt instrument IP address gt PUT lt file path gt Ecotech cob WEB 1 Notice that If you do not have a TFTP client there is a demo TFTP client applica tion 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 Use the instruments IP address for the TFTP server Select Upload for the Operation Select Binary for the Format The path and name of the cob file For the Remote File Name use X2 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 net work 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZ
72. e screen is able to display up to 7 characters of data including the decimal place for each reading AVERAGE PERIOD Set time in HOURS 1 4 8 12 Or 24 or 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 default filter and gives the best overall performance for this instrument ANALYZE FOR Select the pollutant the analyzer will measure sample for GAS 1 GAS 2 or GAS 3 This is useful to lock the analyzer into measureing only one gas without cycling for calibration or testing GAS MEASUREMENT TIME The duration in minutes that the analyzer will measure sample gas for in each cycle e g if set to 5 then the analyzer will fill with Gas 1 for 3 minutes measure gas 1 for 5 minutes then fill with Gas 2 for 3 minutes and measure gas 2 for 5 minutes GAS 2 NOISE The standard deviation of the concentration The manner in which this is done is as follows 1 Take a concentration value once every two 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 on
73. echniques for pneumatic and electrical connections Figure 2 1 below shows the rear panel of 98527600 Rev C 2 1 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 EC9852 analyzer 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 Pin O PCA The 50 pin VO 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 2 2 98527600 Rev C 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION O 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 0 to 1 V 0 to 5 V and 0 to 10 V See Figure 2 3 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Figure 2 3 50 Pin Connector Board with Sample Choices Rear Select the output for your application using the following steps 1 Remove the 50 pin connector board from the rear panel of the an
74. ed 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 2 3 2 1 Screen Fields Screen fields 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 arrows 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 the SYSTEM TEMPERATURES Screens contain information generated by the microprocessor The operator cannot affect the readings in these fields If you find th
75. eeesaecseneeeaaecseneeeaaeceeeeesaecesesesaeeeeneecnaeeeses 2 38 2 3 20 System Temperatures Screen cicssiisersssoiscsivssasasivassessoststensaeevacsaiseaiesoive dist sscadentascedvesasessonisessestagesdgeaes 2 39 29 2 1 System Faults Sereen it tesSeagvagebedee seats 2 40 ZO ANALOG OUT eerie E 2 40 201 Offset and Live ZerO oi odas 2 4 2 6 2 Over Range AGjUstment cccesccseessceeescesecscesecssesecasescseeasesecueeseenasenessecasesecaeeseenacscesaeeaeesscaeeseenaseneeaees 2 4 2 6 3 Analog Output Calibration Procedure cccccsssccesscssssessecssesecseeeecuseesessecseeseseeeecsaeeeeeaecaeeseeaeeseenesneeseens 2 43 264 COLD ration Requirements aio dia ii e ia 2 43 2 7 PASSWORD PROTECTION siebe esna deidad ONE dad tetsu dvenvedsds adecco Ee 2 44 2 71 Rules of Operation A a coer Mw ween sae tee 2 44 2 FD SAMPle SESSION Aaa 2 44 3 0 CALIBRATION ccsssssssssrsersessrsessessrsessecsrsensessrsessessssessssessesessessesensessesensessessnsessesessessessesessessssensesesseneeseeses 3 1 DAMON ER VIE ad 3 1 3 2 QUICK SPAN CALIBRATION cs cuatiooaa catan ad allioli 3 2 3 3 SPAN AND ZERO CALIBRATION vitral ii acne 3 4 APICAL A A A A AA een Os 3 4 TIL AD PAN ALU A IRE 3 4 E A E O OO Sates yates she 3 5 3 3 4 PHOCEAUIEC ia A A rienda ria 3 6 SAMULTIPON E CALIBRATION pirea seen one araar eee EE rE aE r reaa rE ssvapsacbssonebunsvaynessesbneisesespueeberwssseede 3 8 34AT PHINCIDIE A A a a A a aaa doain 3 8 TARA as 3 8 3 43 PLOCCAUTC TR E R
76. er yyy is an optional serial number This serial number is reported in the response to the Bavarian command but is otherwise unused 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 O The string P1001 lt CR gt will program a unit to the I D of 001 The string P1001 123 will program a unit to the I D of 001 with a serial number of 123 The string P1003 004 will program an EC9852 for a main ID of 003 and a secondary ID of 004 4 4 5 Serial Command Sets This section describes the Bavarian Network and 9800 command sets available on the EC9852 using the instrument Command mode 98527600 Rev C 4 15 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 16 4 4 5 1 Bavarian Protocol Command Set Command DA Function Bavarian network command that returns the current instantaneous concentration Format lt STX gt DA lt DEVICE I D gt lt ETX 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 where kkk instrument ID nnnn ee instantaneous gas concentration in ppb or mg m3 status byte for both channels with the following bit map positive logic ss DO unused D1 out of service D2 instrument is in
77. g Outputs if applicable Operation Manual 2 6 3 e If necessary perform a leak check Service Manual 3 3 13 e Ifnecessary perform a flow calibration Service Manual 3 5 If necessary perform a Multipoint calibration Operation Manual 3 4 Step 5 Data Validation e Verify the results from your data acquisition system agree with the readings of the EC9852 Sulfur Compound analyzer e Verify that the analyzer responds to automatic calibration sequences The analyzer is now operating correctly 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Table of Contents MANUAL HISTORY a E A chee aie Rabe NES Absi ioe 1 O RON 2 INTERNATIONALLY RECOGNIZED SYMBOLS USED ON ECOTECH EQUIPMENT ss sscceceesessscececececsesseaeceeececsenssaeeeeecs 3 SAFETY REQUIREMENTS si 5 cSsce aa A a A A So Bins ed 4 EQUIPMENT RATING lada daa E E EEEE RTE NRS 4 ENVIRONMENTAL CONDITIONS T SE E E enacad 4 FACTORY SERVICE E EE A a E E E 5 CLAIMS FOR DAMAGED SHIPMENTS AND SHIPPING DISCREPANCIES cssscceesescessesececenscecesseeecsesaececsaseeeeesseeeenenaees 6 SERVICE AND SPARE PAR TS is 7 WARNING A ARA 8 1 0 DESCRIPTION sissscsssicssccvesessnsscocesecesensoecess sestentsesecssencgsuancesesen spasenesesstsseeueseancs eaaeeeedcssusesensacssaeceatcocumsseasescsocereas 1 1 1 1 SPECIFICATIONS kirria estes localidades 1 3 DAFLRON BEA AAA AI A E A O A 1 3 TTD NOISE RMS 0 a iaa 1 3 LAS Lower Detectable LM idad traca Obs ea eE E
78. g the last 5 minutes the instrument takes readings every second and averages them to yield a value to be stored as the zero calibration value At the end of 8 minutes the zero air valve is closed and the span gas valve is opened admitting span gas for 8 minutes During the first 3 minutes no data is taken During the last 5 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 18 ENABLED this is the value which is used to correct all subsequent readings to the calibration The zero air valve is switched on for 1 minute to purge the cell of span gas The Sample valve is then activated for an additional 6 minutes to allow the cell to come back to monitoring concentration At the end of 25 minutes monitoring resumes including putting data in the average etc The data averages are not updated during calibration 98527600 Rev C 3 17 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 3 7 Calibration References 1 Quality Assurance Handbook for Air Pollution Measurement Systems Volume II Part 1 EPA 454 R 98 004 U S Environmental Protection Agency Environmental Monitoring Systems Laboratory Research Triangle Park NC 27711 1998 2 A Procedure for Establishing Traceability of Gas Mixtures to Certain National Bureau of Standard Reference Materials EPA 600 7 81 010 US Environmental Protection Agency Environmental Monitoring Systems
79. g 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 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 NAK 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 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION 4 4 4 2 Programming Instrument Identifiers Note The Main Gas ID can be set manually in the Instrument Menu or the Interface Menu Refer to section 2 5 3 or 2 5 12 for further details This is the 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 The parameter xxx is the unit I D and must be three characters Unit I D s such as 1 should be programmed as 001 The second paramet
80. he background are stored in the EVENT LOG Recommended leave on Default 24 CAL PRESSURE This is the measured ambient pressure during the last SO calibration 2 5 6 Test Menu TEST MENU OUTPUT TEST MENU DIAGNOSTIC MENU CALCULATION FACTORS MEASUREMENT GAIN 128 PRES TEMP FLOW COMP ON DIAGNOSTIC MODE OPERATE CONTROL LOOP ENABLED Figure 2 16 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 microprocessor controlled settings of 1 2 4 8 16 32 64 Or 128 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION PRES TEMP FLOW COMP Either oN or OFF OFF is used when running diagnostics to see fluctuations in readings ON is used to compensate for environmental fluctuations 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 system to be diagnosed CONTROL LOOP Allows the operator to choose ENABLED Or DISABLED When ENABLED is Selected the microprocessor maintains control of the
81. he constraints of the multidrop environment the unit I D must be received intact for a lt NAK gt response to be sent An invalid command will cause the response lt NAK gt UNKNOWN COMMAND lt CR gt lt LF gt An invalid command format will cause the response lt NAK gt BAD COMMAND FORMAT lt CR gt lt LF gt A bad block check on a Bavarian command will cause the response lt NAK gt BAD BLOCK CHECK lt CR gt lt LF gt If a Bavarian command is sent without a set of matching lt sTx gt and lt ETX gt characters it will cause the response lt NAK gt BAD STX ETX PAIR lt CR gt lt LF gt 4 4 3 12 Enhanced Protocol Idiosyncrasies O O O The string DA lt cCR gt is a valid command The pa command will function without an I D The data type must be sent on 9800 style commands but it is not checked against the actual parameters The number of data parameters must be sent on 9800 style commands but it 1s not checked against the actual parameters 4 4 4 Establishing Communications The first step in establishing communications with the EC9852 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 p
82. he 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 33 for an example of over range on a typical strip chart recorder Figure 2 33 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 1t 1s 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 and 1 0 ppm Certain precautions must be taken when over ranging 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 98527600 Rev C CHAPTER 2
83. ing and is used in conjunction with a High Temperature Thermal Oxidiser TS only The EC9852A uses an external H2S converter modified H2S 1100 and includes an optional extra not seen in the TS analyzer which is an SO scrubber This scrubber will eliminate SO from sample air before it enters the converter allowing direct analysis of H2S without any calculations needed In addition to temperature and pressure compensation the analyzer adjusts the 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 98527600 Rev C 1 1 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 1 2 Analog and digital outputs are available for data monitoring The operator can select analog output as either current or voltage output The 50 pin I O board is optional in the EC9852 B series 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 EC9852 also features internal data storage capabilities The instrument 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 98527600
84. irst 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 Data Type The data type to be downloaded can be selected between Instantaneous data Av erage data or all logged data Date Format The Date format can be changed with the order of time date month and year be ing interchangeable to your preference File Path In this field the file name and path where the data is to be saved should be speci fied 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 se lect 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 C EWE Figur
85. ition 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 lt Enter gt to confirm your setting 6 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 lt Enter gt to confirm your setting 7 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 lt Enter gt 8 Select OVER RANGING and choose either ENABLI 2 6 4 Calibration Requirements ED OF DISABLI ED Press lt Enter gt 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 98527600 Rev C 2 43 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL use in a monitoring program The calibration procedure is included in Chapter 3 of this manual 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 7 Password Protection A pa
86. k and or service are required 3 4 4 2 Using Microsoft Excel to Display Multipoint Calibration Results Produce a X Y scatter plot of the data with the calculated SO 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 2 Calculated Measured MULTIPOINT CHECK 600 500 400 Format Data Series 300 RA Chart Type Measured Source Data Add Trendline D 100 200 300 400 500 600 Calculated Figure 3 2 Data point formatting menu with Excel chart 3 10 98527600 Rev C CHAPTER 3 CALIBRATION Add Trendline 2 x Type Options Trendline name Automatic Linear Actual C Custom Forecast Forward o Units Backward o Units I Set intercept 7 Di Figure 3 3 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 3 Clicking OK will return to the chart and display the required data necessary to determine the effectiveness of the calibration Calculated Measured 0 1 MULTIPOINT CHECK 100 99 200 201 300 300 400 400 500 503 Offset y 1 0043x 0 0952 R 0 9999 Measured Calculated Figure 3 4 Excel chart showing equation with required criteria Usi
87. l be displayed on the SO concentration display 98527600 Rev C 98527600 Rev C CHAPTER 3 CALIBRATION Use the lt Select gt 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 calibration concentration value is displayed When the desired concentration is displayed press lt Enter gt Now move the cursor to the GAS 2 field and press lt Enter gt 1 A backlit cursor will be displayed on the GAS 2 concentration display Use the lt Select gt 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 calibration concentration value is displayed When the desired concentration is displayed press lt Enter gt Next the efficiency of the converter must be determined Follow steps 3 4 above replacing the SO standard with an appropriate converter gas i e H2S Move the cursor to the CONVERTER EFFICIENCY field program this value using the equation shown below and press lt Enter CONV GAS3 reading 100 efficiency Span conc Equation 2 Note The auto zero function of the EC9852 eliminates the need for a traditional zero calibration This completes the span calibration of the EC9852 analyzer 3 3 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 3 3 Span and Zero Calibration This Span calibration is intended for users no
88. lace the instrument in Command mode by entering the INTERFACE MENU via the front panel and selecting COMMAND as the INT ERFACE 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 EC9852 should be displayed on the computer followed by END OF MULTI DROP PORT TEST 98527600 Rev C 4 13 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 14 4 4 4 1 Multidrop Communications 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 master Likewise these multiple transceivers share the same transmit line which goes back to a single master This strategy 1s a method of attaching multiple slave units instruments to a single master computer In the multidrop strategy each unit is given an identification number 1 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 attachin
89. located on the rear panel 2 Ensure that all flowmeters are properly calibrated under the conditions of use if appropriate against an authoritative standard such as a soap bubble meter or wet test meter All volumetric flow rates should be corrected to 25 C and 760 torr 760 torr 101 kPa A discussion of calibration of flowmeters is given in Calibration Reference 1 3 Ensure that the analyzer is properly connected to the output recording device as described in Chapter 2 If necessary go to the INTERFACE MENU select the ANALOG OUTPUT MENU field and select the appropriate settings for the recording device for each gas Offsetting the analyzer s zero indication OFFSET and ZERO ADJ to 5 of scale is recommended to facilitate observing negative zero drift Exit and return to the primary screen 4 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 slpm to ensure that no ambient air is pulled into the manifold vent Enter the CALIBRATION MENU and select MANUAL calibration and MEASURE mode Check the external zero scrubber by initiating an auto Zero BACKGROUND cycle Exit and return to the primary screen Following the auto zero cycle allow the analyzer to sample zero air until a stable response is obtained If the response goes negative by more than 0 5 of full scale the zero scrubber may need
90. lt CR gt lt LF gt OCCURRED AT HH MM DD MON YY lt CR gt lt LF gt ERMINATOR 4 19 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 20 The last 100 messages are reported xx 1s the index into the event log message buffer 99 oldest point reported first O newest point reported last The message field is null if no message exists Command DGAIN Function Dumps instrument gain data to the serial port Format DGAIN lt DEVICE I D gt TERMINATOR Device response INSTRUMENT GAIN lt CR gt lt LF gt Command DINSTR Function Dumps the INSTRUMENT STATUS MENU variables to the serial port Format DSTATUS lt DEVICE 1 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 ro high voltage r10 lamp current mA 11 ambient pressure r12 Startup flag 1 in startup mode 2 gas pressure r3 reference voltage r4 concentration voltage r5 analog supply r6 digital supply ry r8 vn 04 vn ono aVan NH DOPO P D a PDPPP D 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 98527600 Rev C
91. ly valid if zero air or a steady concentration of span gas has been supplied to the analyzer for at least 50 minutes of measure time on the second gas GAS 1 OFFSET SO2 calibration correction factor User can manually set the offset between 10 00 PPB 98527600 Rev C 2 23 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 24 GAS 3 OFFSET GAS 3 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 choose calibration gases or to perform automatic zero span cycles The choice of TIMED Or MANUAL calibration displays a slightly different screen TIMED calibration generates a zero span check that occurs at a chosen interval without operator intervention MANUAL calibration allows for operator controlled calibration Only one choice TIMED or MANUAL applies at any given time 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 SO2 TIMED SPAN 10 000 PPM SPAN COMP DISABLED SPAN RATIO 1 0000 BACKGROUND ENABLED BACK INTERVAL 24 HOURS GAS 2 CAL PRES 690 2 TORR CAL PRESSURE 701 1 TORR Figure 2 14 Timed Calibration Menu CALIBRATION Designates TIMED Or MANUAL calibration control TIMER INTERVAL The number of hours between the zero span checks
92. ment gain so the output of the instrument agrees with the concentration expected for span gas The previously determined multipoint calibration curve is used to verify that the analyzer output is linear Note that a Level 1 span calibration requires external zero and span standards connected via the EZS valve assembly It is recommended that the SO gas cylinder or permeation device be checked against the previous instrument calibration curve immediately after the generation of the calibration curve refer to section 12 of Calibration Reference 1 It is also recommended that the concentration of this pollutant source be between 70 and 90 of the upper range limit of the analyzer and previous calibration curve Subsequent use of this pollutant source with AZS and compensation enabled adjusts the span of the instrument to agree with the previous calibration line Specific guidelines are contained in Calibration Reference 1 for use of Level 1 span checks section 12 and certification of gas cylinders or permeation devices to SRM CRM sources section 12 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL A Level 2 span check with SPAN COMP DISABLED does not require certification of the span gas used during AZS and the result of such a check may not be used to correct the data but merely serves to indicate that the analyzer is functioning properly If the AZS is used for a Level 2 span check the span comp must be set to DISABLED A Level2
93. ment is returned o For Bavarian Network commands no acknowledgment is returned 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 lt cr gt is a valid command o The pa 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 9800B instruments and a computer Every command with a valid I 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 12 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION 4 4 3 11 Negative Command Acknowledgment O Any detected error will respond with the ASCII lt nax gt character followed by an error message Due to t
94. mpt select ENABLED if you want the instrument span adjusted to agree with the span gas after each AZS cycle 98527600 Rev C CHAPTER 3 CALIBRATION Caution Setting an incorrect so2 TIMED SPAN value with SPAN COMP ENABLED will cause all subsequent readings to be incorrect A built in check verifies that the observed value is not different from the calibration value by more than 25 If the difference is greater than 25 no updated correction will be made and a message is sent to the EVENT LOG setting the CALIBRATION ERROR flag Note The zero value is a reference value only Regardless of the state of the span comp option the analyzer does not correct for shifts in the zero The number displayed after so2 SPAN RATIO is the factor by which the instrument gain is multiplied to cause the display and output to agree with the span gas and will always be between 0 75 and 1 25 You cannot set this number This value is reset to 1 000 any time that the span is set manually via the front panel The assumption is that front panel adjustment is an instrument calibration thus preventing compound adjustments 3 6 4 Description of the 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 8 minutes During the first 3 minutes no data is taken Durin
95. n 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 T Aux Valve 2 0 Closed 1 Open 8 Aux Valve 3 0 Closed 1 Open 9 Valve Sequencing 0 0ff 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 15 PRE POT 5 981X Lamp Adjust 9820 9830 9850 test measure 984X high voltage adjust 16 PRE POT 6 9850 high voltage adjust 17 PREPOT 7 9850 lamp adjust 18 VREG POT 1 Flow control zero 19 VREG POT 2 20 VREG POT 3 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 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 27 Analogue input 2 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
96. ncrement and decrement the value of the backlit digit until the calibration concentration value is displayed When the desired concentration is displayed press lt Enter gt Now move the cursor to the GAS 2 field and press lt Enter gt 4 A backlit cursor will be displayed on the GAS 2 concentration display EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 7 Use the lt Select gt 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 calibration concentration value is displayed When the desired concentration is displayed press lt Enter gt 8 Next the efficiency of the converter must be determined Follow steps 3 4 above replacing the SO standard with an appropriate converter gas i e H2S 9 Move the cursor to the CONVERTER EFFICIENCY field program this value using the equation shown below and press lt Enter gt CONV _ GAS3 reading si efficiency Span conc Equation 1 Note The background function of the EC9852 elimi nates the need for a traditional zero calibration This completes the span calibration of the EC9852 analyzer 2 16 98527600 Rev C 2 5 Menus and Screens CHAPTER 2 INSTALLATION AND OPERATION This section illustrates the various menus and screens for the EC9852 analyzer A short description of each menu and screen is provided The entire menu structure is shown in Figure 2 7 below
97. ng the linear regression equation y mx b from the chart where y instrument concentration ppm x calculated value ppm m gradient gain b y intercept offset 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 o The gradient m falls between 0 98 and 1 02 o The intercept b lies between 0 3 a The correlation R is greater than 0 9995 Reject the calibration if the above criteria are not met If the calibration fails perform a leak check check zero air scrubbers and consult the EC9852 service manual for troubleshooting assistance 3 4 5 Calculating Converter Efficiency To calculate the converter efficiency enter the expected values into the first column and the received values into the second column of an excel spreadsheet Then follow the procedure outlined in section 3 4 4 2 ensuring that the expected value is plotted on the x axis the measured value on the y axis and that the trendline s Set intercept equals O see Figure 3 3 The equation generated should be linear with the gradient demonstrating the difference between expected and measured values i e the gradient value will be the converter efficiency 3 5 Calibration Requiremen
98. nt calibration instructions please refer to the multipoint calibration information in Chapter 3 Calibration Connect a source of span calibration gas to the analyzer through the Inlet port see the remainder of this section for instructions on preparing calibration gas Note Mixtures cannot be used as they will contaminate the HTO H2S output SO in N gt should be used From the primary screen start the calibration sequence by pressing either the Up or Down arrow A or Y until the display prompts START MANUAL CALIBRATION Pressing the lt Select gt key will allow you to choose from No SPAN or ZERO Confirm that the display reads span and press lt Enter gt 4 A backlit cursor will be displayed on the SO concentration display Move the cursor over the CONVERTER EFFICIENCY field and set it to 100 if not so already Now return to the primary screen Allow the analyzer to sample the gas until a stable reading is obtained typically 32 minutes From the primary screen as in step 2 start the calibration sequence by pressing either the Up or Down arrow A or Y until the display prompts START MANUAL CALIBRATION Pressing the lt Select gt key will allow you to choose from NO SPAN or ZERO Confirm that the display reads sPAN and press lt Enter gt 1 A backlit cursor will be displayed on the SO concentration display Use the lt Select gt key to move the position of the backlit cursor and the Up and Down arrow keys to i
99. nt gains displayed the first is for the GAS 1 measurments the second is for the GAS 2 measurements It is an essential parameter for the calibration of the analyzer and is an important requirement for system audits When the primary screen is displayed and the cursor highlights the words MAIN MENU press the lt Select gt or lt Enter gt key to enter the MAIN MENU 2 19 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 Figure 2 11 Main Menu Except for the last four menus each of the menus listed in Figure 2 11 has one or more levels of menu items contained within the selection The EVENT LOG is a log created by the microprocessor to indicate deviations in the operating parameters This 1 problems tem can be used to determine the cause of system The INSTRUMENT STATUS and SYSTEM TEMPERATURES screens constantly update readings that apply to the operation of the instrument The SYSTEM FAULTS screen is a pass fail indication of 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 17 MAY 09 TIME 18 57 PASSWORD UNLOCKED ERASE MEMORY NO MAIN GAS ID 052 AUX
100. o the selected analog output device to test its functionality There are 6 analog outputs to choose from outputs 1 to 3 are available via the 50 PIN IO connector 2 5 12 Calculation factors 1 to 6 analog CALCULATION FACTORS GAS 1 INSTRUMENT GAIN 1 P T F CORRECTION 1 BACKGROUND 0 ZERO OFFSET 0 GAS 2 INSTRUMENT GAIN 1 P T F CORRECTION 1 BACKGROUND 0 GAS 3 ZERO OFFSET 0 0592 0390 0012 0000 PPB 0427 0398 0016 0000 PPB CONVERTER EFFICIENCY 91 97 EXIT Figure 2 22 Calculation Factors Menu The Calculation factors screen is a non editable screen which provides the values used to calculate different aspects of measurement and calibration 2 5 13 Interface Menu INTERFACE MENU ANALOG OUTPUT MENU DATA LOGGING MENU MAIN GAS ID 052 INTERFACE MODE COMMAND MULTIDROP BAUD 38400 DATA LENGTH 8 BITS STOP BITS 1 BIT PARITY NONE COMM PROTOCOL ORIGINAL NETWORK ADAPTER MENU Figure 2 23 Interface Menu 2 32 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION The INTERFACE MENU is used for interfacing analog recording 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 MAIN GAS ID The ID address of the analyzer when Multidrop RS232 communications is used INTERFACE MODE This establishes the R
101. onos 3 4 SO2 Calibration Using a Permeation Tube illustration 22st ees antic Baier Ri diet acces 3 12 SO2 Current Output Menu 00 2 31 SO2 Voltage Output Menu eee 2 32 Specifications aio 1 2 Status Output Connections illustration 4 5 Strip Charts Illustrating Offset illustration 2 38 System Faults Screen oo eee ceecseeeeeeeeees 2 37 System Faults Screen illustration 2 37 System Temperatures Screen u 2 36 System Temperatures Screen illustration 2 36 T Terminal control serial o oononnnonccnnnnnnnnnnananonos 4 7 TestMenUl suicidarse ana 2 24 Test Menu illustratiON ooooocnnnncccnonacononancnonnnnns 2 24 Timed Calibration Menu ooooconccnnccncconcnonnncnonononos 2 22 Timed Calibration Menu illustration 2 22 U USEPA Equivalent Method eeeceeeeeeeeeeeee 1 4 V Valve Test Menu icri 2 28 Valve Test Menu illustration ccc eee 2 28 W Warmup t tt tdt 2 10 Z Zero Ail CONNECtiON coooconoccconnnononcconnnonnncnnnnononononoos 2 7 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL APPENDIX A USB PROTOCOL PARAMETER LIST Note parameters are for all EC9800 analyzers and may not be applicable to an individual ana lyzer 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 Ope
102. 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 6 98527600 Rev C FRONT MATTER ECOTECH Service and Spare Parts For world wide customer service amp spare parts contact ECOTECH Address Ecotech Pty Ltd 1492 Ferntree Gully Rd 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 au Our Service Response Centre handles product information application assistance factory repair training service maintenance agreements and technical assistance 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 8 98527600 Rev C CHAPTER 1 DESCRIPTION 1 0 DESCRIPTION The EC9852 Sulfur Compound H2S or TS analyzer is an ultraviolet UV fluorescence spectrometer designed to continuously measure low concentrations of various sulfur compounds in ambient air through switch cycling There are t
103. played as an x y plot with the x axis zero being the current time and the most distant number being the most historic data 98527600 Rev C 2 37 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 5 18 Event Log Screen EVENT LOG BACKGROUND CYCLE OCCURRED AT 00 01 ZERO FLOW OCCURRED AT 17 02 13 MAY 05 BACKGROUND CYCLE OCCURRED AT 00 01 BACKGROUND CYCLE OCCURRED AT 00 01 11 MAY 05 Figure 2 28 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 19 Instrument Status Screen INSTRUMENT STATUS GAS FLOW 0 75 SLPM GAS PRESSURE 680 710 TORR REF VOLTAGE 2 501 VOLTS CONC VOLTAGE 0 328 VOLTS ANALOG SUPPLY 11 909 VOLTS DIGITAL SUPPLY 4 977 VOLTS HIGH VOLTAGE 700 VOLTS LAMP CURRENT 34 794 MA VERSION 1 18 0014 TRS EXIT Figure 2 29 Instrument Status Screen INSTRUMENT 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 but drops 10 Torr while in the Gas 2 cycle 2 38 98527600 Rev C CHAPT
104. propriate 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 Protocol 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 4 10 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION original protocol that are preserved to allow existing applications to use upgraded software without modifying their interface 4 4 3 2 Command Acknowledgment o For 9800 style commands that provide a data response the data response itself is the acknowledgment o For 9800 style commands that do not provide a data response the acknowledgment is the returned ASCII string 0 k o For Bavarian Network commands no acknowledgment is returned 4 4 3 3 Negative Command Acknowledgment a For 9800 command
105. r output 2 Active output indicates that the system has been put into the Optic Test mode Active output indicates that the system has been put into the Electric Test mode Active output indicates that the 12 volt supply voltage has gone out of range Note 10 Active output indicates that the PMT high voltage supply has failed Note 11 The sum of all failures in the instrument Note 2 Active output indicates that power to the analyzer is on Spare Driver 1 Ground reference for analog outputs Ground reference for digital inputs or outputs Chassis ground 12V 50 mA maximum Unused 1 All outputs are open collector active LOW 2 Analog output 3 Gas 3 3 Analog output 1 is instantaneous gas concentration SOz 4 Analog output 2 Gas 2 98527600 Rev C 4 3 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 4 5 Not valid 6 An error is flagged 1f the lamp current is below 20 mA or above 50 mA 7 Not valid 8 Span ratio out of range is defined as calibration gain changing below 75 or above 125 gain change 9 Not used 10 An error is flagged if the 12 volt supply voltage is below 11 1 volts or greater than 14 3 volts 11 An error is flagged if the high voltage reading differs by more than 25 of the expected value as determined from the high voltage pot setting 12 This signal is the logical OR of FLOWFAIL LAMPFAIL CHOPFAIL CVFAIL COOLERFAIL HEATERFAIL REFFAIL PS FAIL
106. rocessor board REFERENCE GAIN Software controlled pot for the gain of the reference channel TEST MEASURE Software controlled pot that is used by technicians when troubleshooting or verifying correct instrument performance HIGH VOLTAGE ADJUST Software controlled pot to adjust the PMT high voltage LAMP ADJUST Software controlled pot that sets UV lamp current 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION REF VOLTAGE Reference voltage as measured on the detector PCA This voltage is indicative of the UV lamp intensity so2 PPB Gas concentration reading CONC VOLTAGE Voltage from the preprocessor proportional to the fluorescent signal from the reaction cell This voltage represents actual gas measurement HIGH VOLTAGE PMT power supply high voltage reading 2 5 9 Flow Control Pots Screen FLOW CONTROL POTS are potentiometers used to adjust the functions of the flow control board FLOW CONTROL POTS FLOW CONTROL ZERO 65 FAN SPEED CONTROL 17 PUMP SPEED FINE 12 PUMP SPEED COARSE 40 GAS FLOW 0 750 SLPM GAS PRESSURE 705 5 TORR Figure 2 19 Flow Control Pots Screen 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 S
107. s Period The repetition period For As for on screen with averaged data the repetition the period in minutes period is also the averaging period 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 I 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 28 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION 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 On the 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 terminate the connection as per step 6 below and reconnect 9800 Data Downloader f 10 x Comm Mode xE EA AER AAA Connected 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 It is advisable that the user always returns
108. s if a valid Instrument I D is received with an invalid command string the message INVALID COMMAND is sent o For Bavarian Network commands no negative command acknowledgment is sent 4 4 3 4 Original Protocol Idiosyncrasies o Block check characters are not checked on Bavarian commands o The lt stx gt character is ignored a The lt EtTx gt character is a valid termination for Bavarian commands even in the absence of a lt sTx gt character a The pa command will function without a serial I D o The string DA lt CR gt is a valid command o The zero padding on the response to the DA command contains six ASCII zeros instead of the standard ten ASCII zeros 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 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 o For 9800 style commands that provide a data response the response itself is the acknowledgment 98527600 Rev C 4 11 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL o For 9800 style commands that do not provide a data response no acknowledg
109. s value cannot exceed the OVER RANGE value OUTPUT TYPE Setting must match the jumper settings 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 XxX a correction factor for full scale setting Used when calibrating the analog outputs ZERO ADJUST 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 See section 2 6 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 98527600 Rev C 2 35 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 36 2 5 15 Data Logging Menu DATA LOGGING MENU AVERAGE DATA OFF INST DATA OFF TOTAL CAPACITY 0 0 DAYS ERASE LOGGED DATA NO Figure 2 26 Data Logging Menu The DATA LOGGING MENU contains settings that relate to the internal data recording facilities of the EC9852 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
110. s 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 98527600 Rev C 5 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL Claims for Damaged Shipments and Shipping Discrepancies Damaged Shipment 1 Inspect all 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 Tf 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
111. sbeveued secs episebeabsss sess svteibeanestsnsaesbesissveveeasesvdeshesdoatsnseoseacbest vncooss 4 5 4D T Serial CONNCCHONS sa fsb les e a a it eaae aa canica daa 4 5 42 2 CADE Connect ONS id oo oda it dais doa Haat cores Asean 4 6 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 3 SERIAL TERMINAL CONTROL neii enis tecuvscecs sciecocususces chsviscedpansivies iia cu a dauhinecb igs cndacueoes cb cie de 4 7 4 4 SERIAL COMMAND CONO 4 7 4 4 1 9800 Command Set Format cccccccccccccccsesescccccecssssssscecececsesssseceeececseneeseeececeesesueaaesecececseseaesecececsesenssaeeess 4 7 4 4 2 Bavarian Network Command Set FOrimdt ccccccccccccccccsecsceceescesecnsececsessececsssceceenececeeseeecnssseceensseesesseeeens 4 9 4 4 3 Protocol Definition and Selection s cccsccsccsccesesssesecsesscesecssesecueesecseeseesecseesecaeeeeceseeeeesecseesesaeeeesaeeeeeaees 4 10 4 4 4 Establishing Communicati0WS cooococcnocinonnnnnnanonanonnnonnonononnn cnn coreo neon neon enn nena nena eran eran E anne nana nin cane ai eS 4 13 4 4 5 Serial COMMGANA SeES 62sci excess ti dad 4 15 45 USB COMMUNICATION a ae tania E A AAA AA T R EERE 4 25 4 3 1 Installing the Driver On a PC ono in idad cia 4 25 4 6 EC9800 COMMUNICATOR SOFTWARE scccsssesssscesscesnsccesssesoccesseecneceesssecnecessseecneeessseecneesasevcneesesesensesenses 4 26 4 6 1 Data ACQuire Mode znane A te aed eed Sd Re 4 27 4 6 2 Remote Terminal Mode A RRR AES 4 28 AO iS SCUIN GS A
112. scale from best straight line fit 1 1 9 Precision 0 5 ppb or 1 of reading whichever is greater 1 1 10 Sample Flow Rate 0 75 slpm Note Sample flow during the SO cycle in the 9852 H2S external converter will be at least twice as high due to the need to flow air through the converter whilst simultaneously measuring SO 1 1 11 Sample Pressure Dependence A 5 change in pressure produces less than 1 change in reading 1 1 12 Temperature Range o 5 to 40 C 41 to 104 E 1 1 13 Power o 99 to 132 VAC 198 to 264 VAC 47 to 63 Hz 1 1 14 Weight 25 kg 55 1 1b 1 1 15 Analog Output o Menu selectable current output of 0 20 mA 2 20 mA and 4 20 mA 98527600 Rev C CHAPTER 1 DESCRIPTION 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 16 Digital Output 98527600 Rev C 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 5 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 instrument arrived undamaged The EC9852 Service Manual contains initial installation inspection
113. ssword 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 7 1 Rules of Operation O O O The password must be a four digit number After a memory erasure the analyzer will default to UNLOCKED 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 Once the analyzer is locked the user may navigate through the menus but cannot select a field for data entry 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 On the INSTRUMENT MENU there is a new entry labelled PassworbD that displays the status of the menu as either UNLOCKED Or LOCKED 2 7 2 Sample Session 1 2 44 At INSTRUMENT MENU there is a field labeled PAssworD This should display the status UNLOCKED Select the field labeled PassworD The status UNLOCKED will be replaced by 0000 Using the select and arrow keys scroll to the desired numbers to represent the password When the desired password appears press the lt Enter gt key The p
114. standards are in the range of 20 to 100 ppm for dilution to the analyzer s concentration range The assay of the cylinder must be traceable either to a National Institute of Standards and Technology NIST H2S in air Standard Reference Material SRM or to an NIST EPA approved commercially 98527600 Rev C 3 5 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 3 6 available Certified Reference Material CRM CRMs are described in Calibration Reference 2 and a list of CRM sources is available from the address shown for Calibration Reference 2 A recommended protocol for certifying H2S gas cylinders against either an HS SRM or a CRM is given in Section 12 of Calibration Reference 1 H2S gas cylinders should be recertified on a regular basis as determined by the local quality control program Dilution Gas Zero Air Zero air is described as air free of contaminants which will cause a detectable response in the Sulfur Compound analyzer The zero air should contain lt 0 1 ppb SO2 H2S A procedure for generating SO free air is given in Calibration Reference 1 The Ecotech GasCal 1000 1100 calibrator and 8301 Zero Air source has SO gt free air capability sufficient for this operation 3 3 4 Procedure 1 Assemble a dynamic calibration system such as the one shown in Figure 3 1 All calibration gases including zero air must be introduced into the sample inlet of the analyzer system The EC9852 instrument sample inlet is labeled Inlet and is
115. t familiar with the calibration of gas analysers and details the span calibration procedure in its entirety Note Calibration should only be performed when the instrument 1s stable and has been powered up for at least two hours 3 3 1 Principle A certified standard cylinder of SO diluted as necessary with zero air is used to obtain the various calibration concentrations needed for instrument adjustment 3 3 2 Apparatus The major components and configuration of a typical calibration system are shown in Figure 3 1 a Flow PW T CONTROLLER o WMETER H S Cen FLOW d E oe amp CONTROLLER FLOWMETER coe ZERO CHAMBER AIR F S02 que FLOW Ad amp CONTROLLER LOWMETER OUTPUT MANIFOLD EXTRA OUTLETS CAPPED WHEN NOT IN USE VENT TO INLET OF ANALYZER UNDER CALIBRATION Figure 3 1 Sulfur Compound Analyzer Calibration Using Cylinder Gas Dilution 3 4 98527600 Rev C CHAPTER 3 CALIBRATION Flow Controllers A device capable of adjusting and regulating flow rates Flow rates must be regu lated to 11 Flowmeters A calibrated flowmeter capable of measuring and monitoring flow rates with an ac curacy of 2 of the measured value Pressure Regulator for Standard SO2 Cylinder The regulator must have a non reactive diaphragm and internal parts and a suitable delivery pressure Mixing Chamber A chamber designed to provide thorough mixing of SO and diluent air Output Manifold The outpu
116. t 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 initiate 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 A manual precision check can be initiated as follows 1 Connect a source of span gas to the analyzer through the Span port see chapter3 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 on all gas readings typically 32 minutes 4 Verify this stable reading against the known calibration concentration 5 Typically if it is within 5 then a calibration is not required 6 Ifa calibration is required continue with the following procedure in section 2 4 4 If not return the CAL MODE to MEASURE 98527600 Rev C CHAPTER 2 INSTALLATION AND OPERATION 2 4 4 Analyzer Calibration Instructions 98527600 Rev C Note This procedure is a quick guide to single point span calibration of the EC9852 analyzer For complete gas preparation and multipoi
117. t manifold should be of sufficient diameter to ensure an insignificant pressure drop at the analyzer connection The system must have a vent designed to ensure atmospheric pressure at the manifold and enough inlet flow to prevent am bient air from entering the manifold 3 3 3 Reagents SO Concentration Standard The cylinder of SO in air or nitrogen must contain the appropriate concentration of SO suitable for the selected operating range of the analyzer under calibration Typical concentration standards are in the range of 20 to 100 ppm for dilution to the analyzer s concentration range The assay of the cylinder must be traceable either to a National Institute of Standards and Technology NIST SO in air Standard Reference Material SRM or to an NIST EPA approved commercially available Certified Reference Material CRM CRMs are described in Calibration Reference 2 and a list of CRM sources is available from the address shown for Calibration Reference 2 A recommended protocol for certifying SO gas cylinders against either an SO SRM or a CRM is given in Section 12 of Calibration Reference 1 SO gas cylinders should be recertified on a regular basis as determined by the local quality control program HS Concentration Standard H2S analyzer only The cylinder of H2S in air or nitrogen must contain the appropriate concentration of H2S suitable for the selected operating range of the analyzer under calibration Typical concentration
118. the averaged data that has been generated by the analyzer Instantaneous Data 98527600 Rev C 4 31 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 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 sec onds control the analyser remotely and download data 4 7 1 Current Readings The current reading option gives the possibility of seeing current parameter val ues in the analyser such as temperatures concentration and status The values on the screen are auto refreshed every 5 seconds and multiple users are able to view the current values simultaneously CURRENT READINGS EC9841A NOx Analyser Standard 75 08 0 0 75 08 Taury Ou Coenio eccndery Ow Comremmation Calrudated Gus Concratmisos 75 07 0 0 75 07 Promary Ow Aena Seccentary Tas Ara Cab ulated Ga Avene 0 96 herra De Gas Concert
119. tion o oonconcninnn 2 25 Over range adjustment ooooonncnocnnonocononononninnnnnnonns 2 38 Over Range as Seen on a Strip Chart Recorder illustration oocoooconoccnononononccononononoconnninnncnnnoo 2 39 O VETAS Ci iii 3 14 P Password protectiOn cccccescesseeteeeeeeseeeneeeneees 2 41 Preprocessor Pots sereen ooocococnocccononononanconacanonos 2 26 Preprocessor Pots Screen illustration 2 26 Primary SEO tias 2 17 Primary Screen illustration ooooonccnnnnncnnnnnno 2 17 Protocol selectiONS ooooonooonooncccononoonnccononinnnccnno 4 10 Protocol Bavarian coconncccncnnnonononanonaninocanananeno 4 11 Protocol enhanced 0ococococononononononononononananncnnononos 4 12 Protocol OrigiMal oooncnoncnncnicnncnnonorononnanonocnnnnos 4 10 R Recorder connections cooocoooccconnnoonncconnnonnncconononnnoo 2 2 S Sample gas Connections oocooccconoccnoncononccnnonnonncnnonos 2 6 Serial command control oooonoconococcnonononnncconanonnncos 4 7 Serial CONNECtIONS ooocooocccononononoconnnonnncnonccconononnnoo 4 5 Serial control coooonoconoconoconcnonncoonnconnncnnnccnonononnnoo 4 5 Serial Interface Connection Diagrams illustration 4 6 Serial terminal Control oonocnnnicnnnnicnincnonncnnnnnnncnnono 4 7 Setting the date and time ooonconccnonncconnncncnnnnncnncnss 2 13 SO2 Analyzer Calibration Using Cylinder Gas Dilution illustration ocooconocccononononcconnninnn
120. tion regarding the menu entries or choices The entire menu tree is shown in Figure 2 7 2 3 1 General Operation Information 98527600 Rev C All operator responses needed to operate the EC9852 are performed by pressing the 6 keys available on the front panel to the right of the display screen The key functions are described on the following page GA GO Obs Cb Ga Pa Lf k may WE Zs Figure 2 6 Analyzer Keyboard The key functions are listed below o Up arrow key A 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 o Down arrow key Y 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 lt Select gt 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 lt Exit gt Leaves a field without making a change or returns the cursor to the main screen o lt Enter gt 1 Confirms a menu item or a field selection to the microprocessor EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 3 2 Using the Menu and Making Entries The EC9852 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 display
121. to span calibration of the EC9852 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 section 3 33 Calibration procedure i Connect a source of span calibration gas to the analyzer through the Inlet port see the remainder of this section for instructions on preparing calibration gas Note Mixtures cannot be used as they will contaminate the HTO H2S output SO in N gt should be used From the primary screen start the calibration sequence by pressing either the Up or Down arrow A or Y until the display prompts START MANUAL CALIBRATION Pressing the lt Select gt key will allow you to choose from No SPAN or ZERO Confirm that the display reads span and press lt Enter gt 4 A backlit cursor will be displayed on the SO concentration display Move the cursor over the CONVERTER EFFICIENCY field and set it to 100 if not so already Now return to the primary screen Allow the analyzer to sample the gas until a stable reading is obtained typically 32 minutes From the primary screen as in step 2 start the calibration sequence by pressing either the Up or Down arrow A or Y until the display prompts START MANUAL CALIBRATION Pressing the lt Select gt key will allow you to choose from NO SPAN or ZERO Confirm that the display reads sPAN and press lt Enter gt J A backlit cursor wil
122. ts 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 3 3 to calibrate the instrument 1 Choose the desired upper range limit for the normal monitoring range RANGE 98527600 Rev C 98527600 Rev C CHAPTER 3 CALIBRATION 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 is recommended Set OVER RANGING tO DISABLED to deactivate the over ranging feature Temporarily set the range to equal the chosen over range Check the zero and set the span as described in section 3 3 Generate several concentration standards and determine the slope intercept and linearity of the higher over range Reset the range to the normal monitoring range Generate several concentration standards including zero air and determine the slope intercept and linearity of the lower range Note Once the span has been set on the higher range no further adjustments should be made on the lower normal monitoring range Reset OVER RANGING tO ENABLED to reactivate the over ranging feature EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 3 6 Automatic Zero Span Checks AZS 3 6 1 Over time the calibration of the instrument may change slightly drift causing error in the measured values Accordingly good quality assurance practice
123. ugh 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 stop 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 lt DEVICE I D gt TERMINATOR Device response lt ACK gt then clearscreen then menu display Command RESET Function Reboots the instrument software reset 98527600 Rev C 4 23 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 4 24 Format RESET lt DEVICE I D gt TERMINATOR Device response 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 lt DEVICE I D gt 2 1 lt START TIME gt lt END TIME gt lt
124. ument 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 98527600 Rev C EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 68 Ozonator 0 Off 1 On 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 80 Mirror Temperature 81 Lamp Temperature 82 03 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
125. ure during the last GAS 2 calibration CAL PRESSURE This is the measured cell pressure during the last SO calibration 2 5 5 2 Manual Calibration 98527600 Rev C The following screen appears when CALIBRATION MANUAL Is selected CALIBRATION MENU CALIBRATION MANUAL CAL MODE MEASURE CYCLE TIME 15 MINUTES BACKGROUND ENABLED BACK INTERVAL 24 HOURS SO2 CAL PRESSURE 750 0 TORR Figure 2 15 Manual Calibration Menu CALIBRATION Designates TIMED or MANUAL calibration control 2 25 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 2 26 CAL MODE A choice of MEASURE normal mode CYCLE zero span SPAN span valve or ZERO zero valve The choice is based on the valve the operator wants to open Selecting CYCLE starts an AZS cycle which is discussed in Chapter 3 CYCLE TIME The period 1 to 59 minutes of the zero amp span steps during a timed calibration BACKGROUND A choice of START DISABLED or ENABLED If START is selected then when lt Enter gt is pressed the instrument begins an auto zero background cycle If DISABLED is selected then the instrument will not run the normal auto zero background cycle If ENABLED is selected then the instrument will run the normal auto zero background cycle BACK INTERVAL Set time in HOURS 2 4 6 8 12 24 A microprocessor controlled field that indicates when an autozero cycle will begin The results of t
126. us B May 2007 Updated language company address and PDF links All created C August 2009 Removed B series information and references to A various 98527600 Rev C series B series no longer available EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 Notice The information contained in this 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 O 2009 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 98527600 Rev C FRONT MATTER Internationally Recognized Symbols Used on Ecotech Equipment IEC 60417 No 5016 IEC 60417 No 5017 IEC 60417 No 5021 IEC 60417 No 5032 i Sa IEC 60417 No 5041 ISO 7000 0434 ISO 3864 No B 3 6 98527600 Rev C Electrical fuse Earth ground terminal Equipotenti
127. wing keys 98527600 Rev C 4 33 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL 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 the remote mode window the keyboard will not work The keyboard will be reac tivated 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 data to their hard drive EC9841A NOx Analyser Software Version 1 13 04 rere OPEN DATE 4 alk y 2003 hh y mm Start Date PICKER End Date v Download all data logged since Start Time ALL DATA Data Type All Logged Data X DATA SINCE Date Format yy mm dd nh mm v TYPE AND START File Path lente stiec9800 bd Browse DATE DATE FORMATE Download ane ioe FILE PATH AND AAA PLE NAME Figure 4 9 Download Data window Starting date 4 34 98527600 Rev C CHAPTER 4 DIGITAL COMMUNICATION The starting date of the data to be downloaded can be selected either using the drop down scrolls in the f
128. wing tubing running between the two 2 1 2 3 Exhaust Connections When making exhaust connections locate the exhaust outlet away from the sample inlet or any enclosed area Connect a 1 4 inch OD line from the exhaust port to an exhaust manifold that vents outside of occupied areas Lines and 98527600 Rev C 2 7 EC9852 SULFUR COMPOUND ANALYZER OPERATION MANUAL fittings of materials other than those cited above can be used for these connections Ecotech recommend that only a charcoal scrubber be connected to the zero port This optional zero air scrubber is available from Ecotech Pty Ltd 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
129. wo varieties of Sulfur compounds analyzers produced by Ecotech the Hydrogen Sulfide H2S analyzer with external converter with or without SO scrubber and the Total Sulfur TS analyzer The analyzer must have an external air source connected to the zero air inlet to supply the air for this process The instrument is designed to monitor the fluorescence background signal by periodically sampling SO scrubbed air This results in the virtual elimination of zero drift Both varieties of analysers measure different forms of Sulfur compounds which are classed in three categories Gas 1 The measurement of SO Gas 2 This is the other measured gas which is Total Sulfur TS in the TS analyzer or Total Hydrogen Sulfide and Sulfur Dioxide S amp H in the H2S analyzer When the optional scrubber is attached to the HS analyzer H2S is measured directly as Gas 2 Gas 3 This is the calculated measurement which is Hydrogen Sulfide H2S in the H2S analyzer and Total Reduced Sulfur TRS in the TS analyzer No calculation is needed for the H2S analyzer with the optional scrubber Throughout this document the relevant gases will be referred to by their gas name not the compound being measured for ease of reading and simplicity The EC9852 analyzer comprises an optical sensor assembly an analog electronic signal preprocessor module microprocessor based control and computation electronics a pneumatic system that samples ambient air by point monitor

Download Pdf Manuals

image

Related Search

Related Contents

Règlement Communal d`Urbanisme Zone Quartier des Fleurs  COMMENT REMPLIR UN DOSSIER DE SUBVENTION ?    DT9840 Series User`s Manual  USER`S MANUAL AND INSTRUCTIONS    

Copyright © All rights reserved.
Failed to retrieve file