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GE Sensing Thermoparamagnetic Oxygen Transmitter

1. E 1 2 DIA HOLES 445 Figure 2 1 A Basic XMO2 Sample System dwg 732 164 2 2 Installation September 2007 ee A Basic System cont The sample system shown in Figure 2 1 on page 2 2 consists of a painted steel plate with the following components mounted on it inlet needle valves for sample zero and span gas flow regulation ball valves for flow selection an XMO2 transmitter a sample gas outlet pressure gauge a sample gas flowmeter Other components such as a pump a filter coalescer or a pressure regulator could be added to the system if needed Mounting the Sample To mount the sample system complete the following steps System 1 Select a location that is as close as possible to the process sampling point The ambient temperature at this location should be in the range of 20 to 40 C 4 to 104 F IMPORTANT For locations where the ambient temperature falls below 20 C 4 F install the sample system in a heated enclosure 2 Using the mounting holes provided fasten the sample system to a convenient vertical surface The system must be installed in an orientation that keeps the XMO2 transmitter upright and level to within 15 3 After the sample system has been mounted use 1 4 stainless steel tubing to connect all inlet and outlet lines to the 1 4 tube fittings on the
2. TERMINAL Option The Terminal option lets you enable or disable all error handling for a terminal or PC connected to the XMO2 via its RS 232 serial port To use this option proceed as follows SET ERROR HANDLING Press Y or Enter to enter the Terminal menu or press N to move to the next Set Error Handling option Terminal Enable Disable All Terminal Errors Press N to select the desired ENABLE response Then press Y or Enter confirm your choice disable This completes the prompts for the Terminal option and the XMO2 returns to the Set Error Handling menu mA OUTPUT Option The mA Output option lets you enable or disable all error handling for the XMO2 s 4 20 mA analog output To use this option proceed as follows SET ERROR HANDLING Press Y or Enter to enter the mA Output mA Output menu or press N to ee OOM move to the next Set Error Handling option Enable Disable All mA Output Errors Press N to select the desired disable ENABLE response Then press Y or Enter confirm your choice Based on the above selection go to the appropriate section If Disable was selected This completes the prompts for the mA Output option SET ERROR HANDLING Press Y or Enter to re enter the mA Output mA Output menu or press N to move to the next Set Error Handling option You may now program other Set Error Handling optio
3. Outline and Installation Drawings B 3 September 2007 Cable 704 667 T Cable 704 668 DB25 Female N ROI 4 O DB9 Female f go Cable 704 669 MTS Cable 704 670 DB25 Male gt ES TOR DB9 Male Figure B 4 RS232 Digital Output Cables Outline and Installation Drawings B 4 September 2007 a m ei a 1 m o gt o 3 5 E gt a E o v a lt a o amp 5 E 2 a wo 1 a o 2 3 a E Outline and Installation Drawings B 5 September 2007 T 145 6ETT 002 Bmp 4 INDUIYIS 85d PHBIO 9 g eun614 B 6 Outline and Installation Drawings September 2007 2 145 6 TT 00Z t Bmp a4 INDUIYIS 85d PHBIO 7 g eun6i4 B 7 Outline and Installation Drawings September 2007 8 TT 024t Bmp o1 A quuessy god Bojpuy g g andy B 8 Outline and Installation Drawings September 2007 T 145 8ST T 002 Bmp 84 2puieu s GId Bojpuy 6 g aund y B 9 Outline and Installation Drawings September 2007 e US 8 TT 004 t Bmp aJ 2npueu s IA Bojpuy oT g N B 10 Outline and Installation Drawings Appendix C Menu Maps Basic All Submenus and Options ce eee eee eee eee C 1 General Cal System gt System Mode Gas Curve Background Grid C 2 General Calibrate System gt Pressure Curve Pressure Grid C 3 General Calibrate System gt Pressure Background Grid
4. C 4 General Calibrate System gt DriftCal Handler C 5 General Cal Recorder Test Inputs Recorder amp Set Error Handling C 6 Advanced Setup Calibrate Recorder Erase RAM amp Resume C 7 Advanced Calibrate System eee eee eee teens C 8 Advanced Set Error Handling cece cece eee eee eee C 9 September 2007 OPERATE MODE ENTER CODE BASIC MENU a r r a if DriftCal is ON if DriftCal is OFF L E if ONE GAS selected if TWO GASES selected Figure C 1 Basic Menu All Submenus and Options DriftCal In Progress DriftCal In Progress Zero Drift xxx 02 mA Output 4 mA Value mA Output 20 mA Value Span Drift xx 02 mA Output 4 mA Value NEW A Output 20 mA Value NEW Menu Maps C 1 September 2007 TEST RECORDER GENERAL MENU OPTIONS FOROR E I Loue See Figure C 6 SYSTEM MODE Al Lt TIN NNUS I I I he a N F D See Figure C 3 E I BKGDCOMP OFF I PRESSURECOMP OFF it den if n Points Entered Response Type fast DAMPED Points n Pressure Comp on OFF if lt n Points Entered Background Comp on OFF lif Numeric Entry Hf Introduce Gases O2 mV poxa 02 boo Calibration Mode Numeric Entry See Figure C 3 Curves n Curve n N2 Doo if n Curves Entered 3t Points n CALIBRATE SYSTEM MENU I See F
5. General Programming September 2007 eee PRESSURE GRID Option The Pressure Grid option is used to enter calibration data for an XMO2 that is configured with pressure compensation Data is entered as a Series of calibration curves each of which represents a particular pressure the data for your curves is supplied on an XMO2 calibration sheet similar to the one shown on page 8 6 To use the Pressure Grid option refer to the menu map in Figure C 3 on page C 3 and complete the following steps Note The Pressure Grid option appears only if Pressure Compensation is ON and Background Compensation is OFF as specified in the System Mode menu see page 6 4 CALIBRATE SYSTEM Press Y or Enter to enter the Pressure Grid Pressure Grid menu At the Curves prompt specify the number of calibration data curves to be entered Each curve represents a specific pressure CALIBRATE GRID To accept the current value press Curves n Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Curve n prompt allows you to enter a fixed pressure for one of the curves in the pressure grid Note The pressure units displayed in the next prompt are specified in the Select Pressure Type option of the Advanced Menu The choices are Pres generic mmHg used as an example in this manual PSla and kPa Refer to Chapter 7 Advanced Programming for more details Curve n To ac
6. Note See Figure B 4 on page B 4 for detailed drawings of the standard GE cables described above 2 6 Installation September 2007 a AAA Accessing Terminal Block The 24 VDC power input 4 20 mA analog output and RS232 digital TB1 output wiring connections are made to terminal block TB1 inside the XMO2 enclosure see Figure 2 3 below To access this terminal block loosen the locking set screw and remove the cover from the transmitter Then refer to Figure 2 3 below for the location and pin designations of terminal block TB1 Caution Do not make any connections to any unused pins on terminal block TB1 Set Screw Internal Ground Screw External Ground Screw Cover Figure 2 3 Terminal Block TB1 Connections Proceed to the next section to begin making connections to terminal block TB1 Installation 2 7 September 2007 Wiring the Signal Connections Complete the following steps to make the signal connections to terminal block TB1 1 Install a cable clamp or gland in one of the 3 4 conduit holes Caution Be sure to plug the unused conduit hole to maintain the designated weatherproof or explosion proof rating 2 Route the 4 wire and 3 wire if used cables through the cable clamp Then tighten the clamp to secure the cable s 3 Unplug the TB1 connector by pulling it straight off the printed circuit board and loosen the screws on the side of the connector 4 Connect the 24 VDC input powe
7. specifies length in feet lengths up to 450 ft 137 m are available 704 667 668 669 or 670 3 conductor cable for digital output connections specifies length in feet DB9 male DB9 female DB25 male and DB25 female connectors are available The XMO2 can also be interfaced with other Panametrics displays and analyzers such as TMO2D LDP and XDP display control modules Moisture Image Monitor Series 1 2 and 3 Analyzers System 1 Analyzer Specifications and Factory Data 8 3 September 2007 A oo a Ce AAA Ordering Information A B C D E XMO2 A Transmitter Model XMO2 thermoparamagnetic oxygen transmitter B Package requires 24 VDC power supply 1 weatherproof enclosure 2 explosion proof enclosure 3 weatherproof with external cal switch 4 explosion proof with external cal switch 5 rack mount with display With this package option Comp Comm option 3 or 4 must be selected Also XCAL range option B 6 0 to 25 must be selected X without enclosure C Cell Magnetization H high magnetization M medium magnetization L low magnetization D Compensation Communication if package option B 5 is selected Comp Comm option D must be either 3 or 4 1 background gas compensation only terminal user program 2 atmospheric pressure and background gas compensation terminal user program 3 background gas compensation only I
8. 02 H2 N2 SO2 CO2 then press Y or Enter to confirm your selection ADVANCED MENU You have now completed the Set Gas Type programming of this submenu You may now do one of the following Press N as many times as necessary to select another Setup menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Setup menu then press Y to return to the top level of the Advanced Menu Advanced Programming 7 3 September 2007 A o y o oOporOEIO O E x SET BACKGROUND The Set Background Display option is used to specify the DISPLAY Option background gas to be measured by the XMO2 the default is the generic Bkgd and to enable or disable its display Refer to Figure C 7 on page C 7 and proceed as follows ADVANCED MENU Press N until this prompt Set Background Display appears then press Y or Enter Display Background Gas Press N to select the desired YES no display option then press Y or Enter to confirm your selection Note Ifyou chose not to display the background gas at the above prompt the following prompt does not appear Select Bkgd Type Press N to select the desired gas BKGD H2 N2 S02 CO2 then press Y or Enter to confirm your selection ADVANCED MENU You have now completed the Set Background Display programming of this submenu You may now do one of the followi
9. I I j I E Ma T See Figure C 7 See Figure C 7 CALIBRATE SYSTEM MENU OPTIONS COMP mV EXP FILTER DRIFTCAL HANDLER KER N F BKGD COMP ON FASI IF 1 I 1 a BKGD COMP OFF FAS Response Type fast DAMPED except for the units these menus are identical Enter Shutoff Value mV qoo on OFF Set Max Total crit Set Max Drit Cal Background Comp on OFF Max Total Drift Max Drift per Cal FS ho F S po 3 Set Exp Threshold Calibration Range 0 00 100 00 Set Window Threshold ves if range 0 00 100 00 Calibration Range if range 0 000 10 000 Enter Low 02 Value 02 ho Enter Low 02 Value 02 xx Figure C 8 Advanced Menu Calibrate System Option Menu Maps C 8 September 2007 ADVANCED MENU C ENTER CODE OPERATE MODE ADVANCED MENU OPTIONS r Ser Ge I I 1 SETUP CALIBRATE SYSTEM CALIBRATE RECORDER SET ERROR HANDLING ERASE RAM 1 I I pem Welt uS EIS must ELLE RIS Sen er La See Figure C 7 See Figure C 8 See Figure C 7 See Figure C 7 except for units these menus are identical 3 Pressure Input Overrange DriftCal Offset Error 02 Value Underrange DritCal Zero Error lon 02 Value Overrange Dial Span Error programming is identical for all parameters Parameter Error Response Hg Value Underrange Ses Input Underenge disable ENABLE Advanced Menu
10. September 2007 RESUME Menu The Resume option is used to exit the Advanced Menu and return to normal Run mode to take live readings At the next prompt see the menu map in Figure C 7 on page C 7 the following two responses are available Yes return immediately to Run mode e No remain in the Advanced Menu for further programming ADVANCED MENU Press Y or Enter to return to Resume normal Run mode or press N to remain in the Advanced Menu This completes the prompts for the Resume option If you selected N above go to the appropriate section of this chapter for further programming instructions Otherwise simply continue taking live readings 7 30 Advanced Programming Chapter 8 Specifications and Factory Data Performance Specifications ce cece eee ec eee eee eens 8 1 Functional Specifications cece ccc ec ee eee ences 8 2 Physical Specifications oooooooocoocorcorrmmommmoooos 8 3 Optional ACCeSSOTBS pereo abe cee RERO e e a ovt eet 8 3 Ordering Information rre 08 rn 8 4 Calibration Specification o oooooooomoccrrrrmommm 8 5 Calibration Sheet ss eco msn duer Pei SEA US bear 8 6 Default Settings uvel 8 7 September 2007 FA Performance Accuracy Specifications 0 1 O range 2 of span for 80 100 O and 90 100 O ranges 0 2 O all other ranges 1 of span Linearity 20 5 of span Repeatability 0 2 of span Measurem
11. 7 lit Units Selected mom 1 mA Output 20 mA Value If mA Selected 02 pool Enter m Output mA Enter mA Output to EnDis All Terminal Errors En Dis All mA Output Errors mA xxx 02 po disable ENABLE disable ENABLE Raw Bridge Input if Disabled mA Output xxx mA mA Output x 02 If Enabled Offset Input Press YES Press YES S t ma Output Ero Response yf Yajue Entorm Output Enor Vale Force HIGH Low Value mA poca Temperature Input If High or Low Bridge Power Input Selected Input Current Value Figure C 6 General Menu Calibrate Recorder Test Inputs Test Recorder and Set Error Handling Options Menu Maps C 6 September 2007 ADVANCED MENU C ENTER CODE OPERATE MODE ADVANCED MENU OPTIONS r 1 SETUP AER KJE 1 Y See Figure C 8 See Figure C 9 WARNING Erase Ram YES no Read LabCal 4 mA SETUP MENU OPTIONS r 7 I If setas Type Set Background Display Set Pressure Type Set Easy Menu Enty Enter mA Output Zero l mA poo I j j Set Gas Type Display Background Gas Set Pressure Type Set Easy Menu Ent 7102 H2 N2 502 9CO2 YES no Pres mmHg PSla kPa ENABLE disable Figure C 7 Advanced Menu Setup Calibrate Recorder Erase RAM and Resume Options Select Bkgd Type BKGD H2 N2 S02 CO2 Menu Maps C 7 September 2007 GE O O O F ADVANCED MENU OPTIONS r 1
12. A Sample XMO2 Calibration Sheet 8 6 Specifications and Factory Data September 2007 mm mm Default Settings During the original factory calibration the programming options for all XMO2 transmitters are set at default values that provide the best performance in the most common applications For reference these default values are listed in this section Basic Menu Defaults The default settings for the default options in the Basic Menu are Quick Offset no default setting View Offset no default setting Set Low Input Value 0 00 mA Set High Input Value 100 00 mA Resume no default setting Any of the above defaults may be changed in the field by the user General Menu Defaults The default settings for the options in the General Menu are Calibrate System System Mode Response Type Damped Pressure Comp Off Background Comp Off Calibration Mode Introduce Gases Calibrate System Gas Curve e Points 3 Point 1 0 00 02 400 0 O2 mV Point 2 50 00 02 0 0 O2 mV Point 3 100 00 02 400 0 O2 mV Calibrate System DriftCal Handler Enable DriftCal Yes Select number of gases One Offset Gas 20 93 02 Offset Gas ON for 0 00 MM SS Enter Calibration Span 20 93 02 Specifications and Factory Data 8 7 September 2007 General Menu Defaults cont Calibrate System DriftCal Handler cont Perf
13. Enter twice This completes the prompts for the Calibrate Recorder option and the XMO2 returns to the main General menu 6 36 General Programming September 2007 TEST INPUTS Menu 02 INPUT Option The Test Inputs menu is used to monitor a variety of XMO2 input signals It includes the following nine options 02 Input raw oxygen sensor mV signal Comp Input background gas compensation mV signal Pressure Input pressure sensor mV signal Raw Bridge Input mV reading across the Wheatstone bridge Offset Input Temperature Input raw temperature sensor mV signal Bridge Power Input Analog Ground Input Done exit the menu GENERAL MENU Press Y or Enter to enter the Test Inputs menu or press N to move to the next General Menu option To view the desired test input s refer to the menu map in Figure C 6 on page C 6 and proceed to the appropriate section The O2 Input option lets you monitor the raw oxygen sensor input signal The acceptable range for this signal is 512 mV to 512 mV Note A reading below 512 mV indicates that the unit has lost temperature control To correct the problem decrease the gas flow rate to 1 SCFH If the problem persists autozero the Wheatstone bridge see Chapter 7 Advanced Programming TEST INPUTS Press Y or Enter to view the O2 Input O2 input or press N to move to the next Test Inputs option The current O2 Input signal is displaye
14. forces a 0 3 mA output 25 00 forces a 22 26 mA output SET ERROR HANDLING Press Y or Enter to re enter the mA Output menu or press N to move to the next Set Error Handling option You may now program other Set Error Handling options you may proceed to any other desired programming task or you may return to taking live readings General Programming 6 45 September 2007 DONE Option RESUME Menu The Done option is used to exit the Set Error Handling submenu and return to the main General menu At the next prompt the following two responses are available Yes exit immediately to the main General menu No remain in the Set Error Handling submenu TEST INPUTS Press Y or Enter to return to the main General menu or press N to remain in the Set Error Handling submenu This completes the prompts for the Done option Go to the appropriate section of this chapter based on the selection made above for further programming instructions The Resume option is used to exit the Main Menu and return to normal Run mode to take live readings At the next prompt see the menu map in Figure C 2 on page C 2 the following two responses are available Yes return immediately to Run mode e No remain in the Main Menu for further programming GENERAL MENU Press Y or Enter to return to Resume normal Run mode or press N to remain in the Main Menu This completes the prompts for the Resume
15. press Points x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Point n prompt lets you enter the oxygen for one of the data points on the calibration curves for the current grid Note The gas type displayed in the next prompt is specified in the Select Gas Type option of the Advanced Menu The choices are O2 used as an example in this manual H2 N2 SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details General Programming September 2007 See PRESSURE BACKGROUND GRID Option cont Point n To accept the current value press current value use the numeric keys to enter a new value and press Y or Enter twice The Point n prompt repeats until the 02 values for the total number of points specified at the Points prompt have been entered After all of the O2 values have been entered the Enter Point prompt appears x xx 02 Curve n xxx x mmHg Press Y or Enter to begin programming actual mV values or press N to have the XMO2 interpolate the mV values The next prompt to appear depends on the above response and on whether you selected Numeric Entry or Introduce Gases at the Calibrate Mode prompt on page 6 5 Proceed to one of the sections on the following two pages to continue the programming sequence Note After all data points specified at the t Points prompt for the current curve have been ent
16. press Y and proceed to the appropriate section of this chapter for instructions Press N repeatedly until you reach the Done option of the Calibrate System menu then press Y to return to the top level of the General Menu General Programming 6 5 September 2007 GAS CURVE Option IMPORTANT Always consult the factory before proceeding with this option The Gas Curve option is used to enter calibration data for an XMO2 that is configured with neither pressure compensation nor background gas compensation To use the Gas Curve option refer to the menu map in Figure C 2 on page C 2 and complete the following steps Note The Gas Curve option appears only if Pressure Compensation is OFF and Background Compensation is OFF as specified in the System Mode menu see page 6 4 CALIBRATE SYSTEM Press Y or Enter to enter the Gas Curve Gas Curve submenu The Points prompt lets you specify the number of data points that comprise the gas curve Obtain this value from your Calibration Sheet see page 8 6 for a sample calibration sheet or from the number of different calibration gases that you have available Enter Gas Curve To accept the current value press Points x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice At the 7602 prompt you can enter the oxygen value for one of the gas curve data points listed on your Calibration Sheet see pag
17. 14 mA Output 22 2 2202 6 44 7 28 Pressure Input Menu 6 38 Options 22 2 2 een 6 43 7 21 Pressure Background Grid Menu 6 18 Terminal 004 6 44 7 22 Printed Circuit Board 0 3 4 Set Gas Type Menu 7 3 Pushbutton Calibration 3 3 4 5 Set High Input Value Menu 5 11 Set Low Input Value Menu 5 10 Q Set Offset Gas Menu 6 25 Set Pressure Type Menu 7 5 Quick Offset Menu 2 222220 5 5 Gee Span Gas Menu 2 lesse 6 29 Quick Span Menu sss 5 8 Set Zero Gas Menu isses 6 28 Quick Zero Menu 000 5 7 Setup Menu suse asm biie 7 3 Done esse 7 6 R Set Background Diplay 7 4 Range Set Easy Menu Entry 7 5 k Set Gas Type llle lese 7 3 Changing 21st URP Run 3 8 RC Set Pressure Type 2 2 22 7 5 Factory Calibration 4 1 Signal Connections 04 2 8 Raw Bridge Input Menu 6 39 Span G Reset DriftCal Menu 6 33 p Calibration Pushbutton 4 8 Resume Menu 5 12 6 46 7 30 Calibration RS232 4 9 RS232 Port Specificati SU MD PME er A ERE Sun Functional i ier ERE 8 2 Calibration ooooocococooooo o 4 6 US Performance 0 02 cee eee 8 1 Configuring 2 222202 nennen
18. 5 2 Phvsical 8 3 Initial Calibration tas 3 6 E US UN PREIS AU EG f Switches Calibration eese 4 4 Location oc 0 rs eb ears 3 4 System Mode Menu 6 4 7 7 4 Index September 2007 Index cont T X Temperature Input Menu 6 40 XMO2 Terminal Block TBl 2 7 ACCESSOLIES u na nalen 8 3 Terminal Menu 6 44 7 22 Cable ei ia Fee 2 6 Test Inputs Menu Default Settings 2222022202 8 7 Analog Ground Input 6 41 Installations v3 Rb ere 2 1 Bridge Power Input 6 40 Ordering Information 8 4 Comp Input ooooococcoccooco oo 6 38 Overview ners i io ine Berne iE 1 1 Done etian bets ig 6 41 Powering UP oo ooooccooccocnoo 3 1 O2 Input ocecbeseeneng senescere 6 37 System Components 1 6 Offset Input cion Varies DU 6 39 Theory of Operation 1 3 Options 0 0 eA 6 37 Transmitter Features 1 6 Pressure Input 0 6 38 Raw Bridge Input 6 39 Z Temperature Input 6 40 Test Recorder MenU ooooo ooooo o 6 42 Zero Gas Theory of Operation 000 1 3 Calibration RS232 4 8 Te NN 1 4 Pushbutton Calibration 4 7 TMO2D Display oooococcocoomom 1 8 Two Gas Calibration Pushbutton sereen i e a s 4 7 RS232 Poll a Gas 4 8 U User Pr
19. 60 140 F or 70 C 158 F cell operating temperature is available upon request Note The 60 140 F or 70 C 158 F cell operating temperatures should be selected only when necessary as the higher cell operating temperature results in reduced sensitivity Features and Capobilities 1 7 September 2007 The Sample System Long Cables optional Power Supply optional The TMO2D Display Controller optional A sample system is mandatory for use with the XMO2 transmitter The specific design of the sample system depends on the conditions of the sample gas and the requirements of the application At a minimum the sample system should include a sample gas flowmeter and a gas flow regulator valve In general the sample system must deliver a clean representative sample of the gas mixture to the XMO2 transmitter at a temperature pressure and flow rate that are within acceptable limits The standard XMO2 transmitter sample gas conditions are as follows e 20 to 40 C 4 to 104 F at the standard measurement cell operating temperature of 45 C 113 F atmospheric pressure 1 0 SCFH 500 cc min flow rate GE offers sample systems for a wide variety of applications A typical sample system for use with the XMO2 transmitter is shown in Chapter 2 Installation For assistance in designing your own sample system please consult the factory IMPORTANT ATEX compliance with EN 50104 requires both e Fast Re
20. A Figure C 4 General Menu Calibrate System gt Pressure Background Grid Option Menu Maps C4 September 2007 I RESUME I See Figure C 6 Rar CALIBRATE SYSTEM MENU pu i E I I SYSTEM MODE I L 1 1 See Figure C 2 See Figure C 2 See Figure C 3 See Figure C 3 See Figure C 2 See Figure C 4 ulis DINA SET OFFSET GAS PERFORM OFFSET VIEW OFFSET DONE Select Number of Gases Offset Gas 02 xx xx Cal Gas ON MM SS Drift xxx 02 xxxx 02 xx xx 02 Press YES Gas ON for MMSS poco DrifiCal in Progress Measuring Drift xxx 02 Cal Span 02 xxx SETZERO GAS SET SPAN GAS PERFORM ZERO CAL PERFORM SPAN CAL VIEW DRIFT CURVE RESET DRIFTCAL c S u a o 2 o E o I S s s E o g in ES N o g 2 2 Ks s 3 v 5 2 o o Ko o g 3 Kl Fra Zero Gas 02 xx x Span Gas 02 oco Zero Gas ON MM SS Span Gas ON MM SS Drift xxx 602 xx xx 2602 WARNING Reset DrifiCal 2 Press YES IVES no xxx 602 Zero Gas ON for MM SS pool pan Gas ON for MM SS ox Driftcalin Progress DiliCalin Progress Drift xxx 02 Eo 02 Press YES Measuring Zero xxx 02 Measuring Span xxx 02 Menu Maps C 5 September 2007 GENERAL MENU gt gt ENTER CODE OPERATE MODE GENERAL MENU OPTIONS CALIBRATE RECORDER i See Figures C 2 to C 5 mA Output 4 mA Value Select Value Type 02 poo Enter mA or Enter Units Comp Input i
21. Calibration Enhancing neee alena deyi 4 2 Ring iuris e ner 4 1 Flow Rate Offset Gras toh seen sahen 4 5 Sample Gas 0 0 0 0000 eee ee 3 1 SPAN Gas e 2 0 ned ER GRE GANG 4 8 LTO GaS adde tot dt det eb dendi 4 7 Flow Schematic oooooo ooocoocoom oo 1 3 Functional Specifications 8 2 G Gas Curve Menu 20000 6 6 Gas mV Exp Filter Menu 7 16 Gas Value Exp Filter Menu A retta Regn 7 16 Options chi e pUp eb Re 7 12 Set Exp Threshold 7 14 Set Smooth Threshold 7 15 Set Tau down esscr dekr iir takea 7 13 Set Tau Up e rei i E cee eee eee 7 12 Set Window Threshold 7 14 Gases Calibracion 4 3 E 4 3 Span aneignen entre 4 3 ZEIG L2 244 BPE er RSS RS 4 3 General Menu Calibrate Recorder o o o 6 36 Calibrate System 0 6 3 Entering ica er 6 2 A tie tv 6 2 ReSUMEC iia 6 46 Set Error Handling 6 43 Test Inputs ooooooooooooo o 6 37 Test Recorder ooooo oo oooooo o 6 42 Grounding the XMO2 2 5 Inputs See Test Inputs Installation Sample System 0 2 2 Transmitter lt lt lt 2 1 K Keyp d u id 5 3 Kia a UE Rees 5 3 Keystrokes eee ere RE 5 3 L LVD Compliance 004 2 4 M mA Output Menu 6 44 7 28 Materials for Calibration 4 3 Menu Advanced se
22. Field Calibration Introduction uns en a 4 1 Factory Calibration Procedures eee e eee eect eee eee ee 4 1 Enhancing the Factory Calibration oooooooo 4 2 Required Calibration MaterialS ooooooommmmorooo o 4 3 Preparing for Field Calibration ooooooomooooooo o 4 3 One Gas Field Calibration oooooooooccrrrommmmm 4 5 Two Gas Field Calibration leeeeeee ne 4 7 September 2007 Introduction This chapter provides information on calibrating the XMO2 in the field using either a one gas offset gas method or a two gas zero gas and span gas method The following specific topics discussed factory calibration procedures updating the factory calibration required calibration materials Getting the XMO2 ready and locating the calibration switches How to perform a one gas Offset Gas Pushbutton or RS232 Digital Communication calibration How to perform a two gas Zero and Span Gas Pushbutton or RS232 Digital Communication calibration Factory Calibration Prior to shipment your XMO2 was calibrated at the factory for the Procedures 0 range specified at the time of purchase The following standard 70 ranges are available 0 to 1 0 to 2596 0 to 2 0 to 50 0 to 596 e O to 100 0 to 1096 80 to 100 0 to 2196 90 to 100 Pressure compensation is required In addition your XMO2 was calibr
23. Ground Input option lets you monitor the analog ground Option input signal The acceptable range for this signal is 1 mV to 10 mV TEST INPUTS Press Y or Enter to view the Analog Ground input or press N to move to the next Test Inputs option Analog Ground Input The current Analog Ground Input signal is displayed Analog Ground Input When ready press any key to x x Agnd mV return to the Test Inputs menu This completes the prompts for the Analog Ground Input option and the XMO2 returns to the Test Inputs menu DONE Option The Done option is used to exit the Test Inputs submenu and return to the main General menu At the next prompt the following two responses are available Yes exit immediately to the main General menu No remain in the Test Inputs submenu TEST INPUTS Press Y or Enter to return to the main General menu or press N to remain in the Test Inputs submenu Done This completes the prompts for the Done option Go to the appropriate section of this chapter based on the selection made above for further programming instructions General Programming 6 41 September 2007 TEST RECORDER Menu The Test Recorder option lets you check the accuracy of the XMO2 4 20 mA analog output To use this option refer to the menu map in Figure C 6 on page C 6 and proceed as follows Note Before testing the 4 20 mA analog output be sure the output is properly scaled see pages 5 1
24. Inputs menu This completes the prompts for the Pressure Input option and the XMO2 returns to the Test Inputs menu 6 38 General Programming September 2007 ee RAW BRIDGE INPUT The Raw Bridge Input option lets you monitor the Wheatstone bridge Option input signal without offset correction for troubleshooting purposes The acceptable range for this signal is 500 mV to 500 mV Note This signal also appears at test point E4 on the XMO2 printed circuit board 703 1139 TEST INPUTS Press Y or Enter to view the Raw Bridge input or press N to move to the next Test Inputs option Raw Bridge Input The current Raw Bridge Input signal is displayed Raw Bridge Input When ready press any key to x x Bridge mV return to the Test Inputs menu This completes the prompts for the Raw Bridge Input option and the XMO2 returns to the Test Inputs menu OFFSET INPUT Option The Offset Input option lets you monitor the XMO2 offset correction signal The acceptable range for this signal is 0 V to 4 000 V Note This signal also appears at test point E6 on the XMO2 printed circuit board 4703 1139 TEST INPUTS Press Y or Enter to view the Offset Input Offset input or press N to move to the next Test Inputs option The current Offset Input signal is displayed Offset Input When ready press any key to x xxx Offset V return to the Test Inputs menu This completes the prompts for the Offset Input option
25. N a eee ERN 7 3 SELGAS TYPE OPHION s ore e eaaet eo al e na des rel as eo do dE a 7 3 SET BACKGROUND DISPLAY Option sssssssssssssssssss e ne 7 4 SETPRESSURETYPEOPUON basketak etan X ERU etur best grece eds 7 5 SET EASY MENU ENTRY OPTION 2 2 2 4 4 een as sterne 7 5 DONE OPUS at a SE 7 6 CALIBRATE SYSTEM Men ta ET ne 7 6 SYSTEM MODE OptlOti s Lea pce tere be ME He ene S 7 7 OZINPUT ae GEN 7 9 COMP NPUEODUO Neo freser ed re e sieut E e od 7 11 GAS VALUE EXP FILTER ODIOM itn eerte rrt te emet ce T e 7 12 GAS MV EXP FILTER OPTION guest robe ep bre te a ae 7 16 COMP MV EXP FIETER ODELOR cerne sense rane e d stus 7 17 DRIFTCAE HANDEER ODLIOR eee Rr EE e ein Reni 7 17 DONE OPTION Gr oe Ea AAA le at UR Coen NT aer RO Vect Mo Sag 7 20 GCALIBRATE RECORDBER Menu ure rhet Need haee e N eee s 7 20 SEFERROR HANBEING MBrU xo zc ERU ORE IUE eS al En a 7 21 TERMINAL OBtION tute er adr Helles te lee 7 22 MA OUTPUPFOPUON Eat 7 28 DONE ODptUODs vitoria ai 7 29 ERASE RAM Men eu ae ee ee de na ea sams aos 7 29 RESUME MENE AS rs ee Vete etia Brot ne el Gre 7 30 Chapter 8 Specifications and Factory Data Performance Spec cello ere 8 1 Functional Specifications atar eot taU bro Ceo bL ROC BOUE Teac tot poti diio dus 8 2 Physical SbecifIC EIOS uvaner EE te E EMO ER EE UNS eae tere Le e a ds 8 5 OPA ID ACEOBSOTIBSU cof E c Sea Ld ee 8 3 Ordering Informatii t RE d atts nik SS NER 8 4 Calibration Spe ICQ ua ee dried IN 8 5 Colibratiob SP
26. R Introduction This chapter describes how to install the XMO2 transmitter and its sample system It also contains information on connecting optional system components Installation of the XMO2 system consists of three basic steps 1 installing the XMO2 transmitter in the sample system If you purchased your sample system from GE this step has already been done for you 2 mounting plumbing and wiring the sample system 3 making wiring connections for power input 4 20 mA analog output RS232 digital output and optional external devices Installing the XMO2 Note This section applies only if the XMO2 transmitter has not Transmitter already been installed in the sample system at the factory The sample system must deliver a clean representative gas sample to the XMO2 at the proper temperature pressure and flow rate This usually means a clean dry gas sample that is free of solid and liquid particulates and is delivered at atmospheric pressure a temperature no greater than 40 C 104 F and a flow rate of approximately 1 0 SCFH 500 cc min A typical sample system for the XMO2 might include an inlet gas flow regulating needle valve a sample gas flow meter and a pressure gauge Note Because factory calibration of the XMO2 is done at atmospheric pressure and at a flow rate of 1 0 SCFH operation of the XMO2 at other pressures and or flow rates requires a field recalibration to ensure optimum accuracy To install the XMO2 tr
27. and Background Compensation is OFF CALIBRATE SYSTEM Press N until this prompt Gas Value Exp Filter appears then press Y or Enter The Gas Value Exp Filter submenu includes the following options Set Tau up Set Tau down Set Exp Threshold Set Window Threshold Set Smooth Threshold Done Proceed to the appropriate section for programming instructions The Set Tau up option The Tau up parameter is the diffusion constant of oxygen into the background gas Its default value is 22 0 but values of 15 0 35 0 are acceptable oscillation increases as the value increases To set this parameter proceed as follows Gas Value Exp Filter Press N until this prompt Set Tau up appears then press Y or Enter Tau up Value To accept the current value press Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Tau xx x Advanced Programming September 2007 se GAS VALUE EXP FILTER The Set Tau up option cont Option cont Gas Value Exp Filter You have now completed the Set Tau up programming of this submenu You may now do one of the following Press N as many times as necessary to select another Gas Value Exp Filter menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Gas Value Exp Filter menu then press Y to retu
28. and the XMO2 returns to the Test Inputs menu General Programming 6 39 September 2007 TEMPERATURE INPUT Option BRIDGE POWER INPUT Option The Temperature Input option lets you monitor the temperature sensor input signal The acceptable range for this signal is 393 mV to 419 mV with 403 mV to 409 mV being the optimum range TEST INPUTS Press Y or Enter to view the Temperature input or press N to move to the next Test Inputs option The current Temperature Input signal is displayed If the displayed value is outside the acceptable range contact the factory for assistance Temperature Input When ready press any key to xxxx Offset V return to the Test Inputs menu This completes the prompts for the Temperature Input option and the XMO2 returns to the Test Inputs menu The Bridge Power Input option lets you monitor the Wheatstone bridge power input signal The acceptable range for this signal is 6 V TEST INPUTS Press Y or Enter to view the Bridge Power input or press N to move to the next Test Inputs option Bridge Power Input ES P lt The current Bridge Power Input signal is displayed Bridge Power Input When ready press any key to Vase Power return to the Test Inputs menu This completes the prompts for the Bridge Power Input option and the XMO2 returns to the Test Inputs menu 6 40 General Programming September 2007 FR MH ANALOG GROUND INPUT The Analog
29. below Done You may now do one of the following Press N as many times as necessary to select another Calibrate System option Then press Y and proceed to the appropriate section for instructions Press Y to leave the Calibrate System submenu and return to the General Menu General Programming 6 35 September 2007 CALIBRATE RECORDER Menu The Calibrate Recorder menu is used to scale the XMO2 s 4 20 mA analog output to any range within the maximum calibrated range of your unit Refer to the menu map in Figure C 6 on page C 6 and proceed as follows Note The 4 20 mA analog output range can also be programmed in the Basic Menu via the Set Low Input Value page 5 10 and Set High Input Value page 5 11 options GENERAL MENU Press Y or Enter to calibrate Calibrate Recorder the recorder or press N to move to the next General Menu option At the next prompt enter the oxygen percentage that corresponds to a 4 mA recorder analog output mA Output 4 mA Value To accept the current value press 02 x xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice At the next prompt enter the oxygen percentage that corresponds to a 20 mA recorder analog output mA Output 20 mA Value To accept the current value press 02 xxx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or
30. changes in atmospheric pressure have significant effects on the measured oxygen level However the XMO2 provides automatic microprocessor based atmospheric pressure compensation of the oxygen signal for these applications The XMO2 s modular construction means that the unit can be field calibrated quickly and easily Also the plug in measuring cell can be replaced with a pre calibrated spare in just minutes The XMO2 Transmitter which is available in weatherproof or explosion proof packaging is designed to be installed as close as possible to the process sample point It can be located up to 450 ft 137 m from the control system display or recorder using standard GE cables e An RS232 serial communications interface and a multi level menu driven User Program provide a convenient means for calibrating and programming the XMO2 nternal software algorithms along with user programmed calibration data provide compensation of the oxygen signal for background gas composition atmospheric pressure or both background gas composition and atmospheric pressure e GE s proprietary Fast Response software provides enhanced response times to track rapidly changing processes e Sophisticated error checking software with user programmable defaults and error limits detects abnormal measurement conditions Pushbutton adjustment of the 4 20 mA analog output zero and span values is a standard feature with the XMO2 e A drift calibration
31. default value is 150 0 mV To use this option refer Figure C 8 on page C 8 and proceed as follows Note This option appears only if Background Compensation is ON CALIBRATE SYSTEM Press N until this prompt Comp Input appears then press Y or Enter Enter Shutoff Value To accept the current value press current value use the numeric keys to enter a new value and press Y or Enter twice CALIBRATE SYSTEM You have now completed the Comp Input programming of this submenu You may now do one of the following Press N as many times as necessary to select another 02 Input menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the 02 Input menu then press Y to return to the Calibrate System main menu Advanced Programming 7 11 September 2007 GAS VALUE EXP FILTER Option The Gas Value Exp Filter option is used to specify the five parameters associated with the XMO2 s fast response algorithm for the main gas when background gas compensation is disabled To use this option refer to the menu map in Figure C 8 on page C 8 and proceed as follows IMPORTANT The fast response parameters are set up at the factory and should not need to be changed If you are having problems with the fast response option consult the factory before making any changes Note This menu option appears only if Response Type is Fast
32. gas calibration of the XMO2 using the span gas and time interval specified in the Set Span Gas option IMPORTANT Be sure the XMO2 is connected to the correct span gas at the correct flow rate prior to using the Perform SpanCal option Refer to Chapter 4 Field Calibration for details DRIFTCAL MENU Press Y or Enter to perform a Perform SpanCal SpanCal or press N to proceed to the next menu option If Y was pressed above the XMO2 begins taking span gas readings Approximately every 2 5 sec it displays the oxygen and the time remaining for the calibration Span Gas ON M SS XX XX 02 After the specified calibration time has expired the XMO2 records the calibration data and displays the new calibration DriftCal in Progress Measuring Span x xx 02 Note Ifthe XMO2 does not reach equilibrium before the calibration time expires the calibration is rejected and the error message Span Gas Calibration Error Check Cal Gases is displayed To correct the error erase the DriftCal data in the Reset DriftCal menu see page 6 33 This completes the prompts for the Perform SpanCal option and the XMOJ2 returns to the Two Gas DriftCal menu General Programming 6 31 September 2007 DriftCal Enabled and Two Gases Selected cont The View Drift Curve option This option lets you view the DriftCal zero and span curves that resulted from the most recent zero gas and span gas calibrations DRIFTCAL MENU P
33. gas mixtures and it provides a 4 20 mA analog output signal that is proportional to the oxygen concentration In performing these measurements the microprocessor based XMO2 provides automatic oxygen signal compensation for background gas composition and or pressure variations In addition the XMO2 is equipped with Fast Response software real time error detection and push button field calibration The XMO2 Transmitter offers several unique design features Ultra stable thermistors and a measuring cell that is temperature controlled at 45 C 113 F provide excellent zero and span stability as well as a high tolerance to ambient temperature variations Optional measurement cell operating temperatures of 60 C 140 F and 70 C 158 F are available for special applications The measurement cell design is resistant to contamination and relatively tolerant of sample gas flow rate variations As it has no moving parts the XMO2 performs reliably under the shock and vibration found in many industrial applications The XMO2 s unique bridge within a bridge measurement circuit and microprocessor based operation automatically compensate the oxygen signal for variations in the magnetic and thermal properties of the background gas that would otherwise cause measurement errors Features and Capobilities 1 1 September 2007 A _ _ __ _ o o o oOp gt o x Basic Features cont e At high oxygen concentrations
34. is heated to 75 10 F The sample system should be mounted as close as possible to the reactor inlet in order to minimize lag time Air 20 93 O5 is used as the source of O and the air CH3OH vapor mixture is sampled at the reactor inlet The XMO2 continuously verifies that the optimal amount of O typically 9 8 is present for the reaction to proceed safely to a maximized yield Too low an O level will decrease the yield while too high an O level will create a safety hazard For this application the required calibration gases are Zero Gas N at least 99 95 pure 0 0 O e Span Gas air 20 93 O5 A typical XMO2 Calibration Sheet for this application is shown in Figure 8 1 on page 8 6 Note Any compatible display device may be specified Dumbbell type paramagnetic O sensors were once commonly used for this application However such systems required extensive maintenance and frequent manual calibration In addition the sensors were easily damaged by condensable liquids requiring frequent sensor replacement As the XMO2 provides continuous accurate monitoring of the reactor feed gas O content with maintenance free operation and excellent calibration stability it is now the system of choice A 4 Two Typical Applications Appendix B Outline and Installation Drawings Outline and Installation oooooooooccrrrrrmmrrro B 1 AMO Assembly 1 23 22 er ua B 2 Interconnection Diagra
35. is rated for Cenelec EEx d IIC T6 and IP66 with an optional gasket See Figure B 3 on page B 3 for an interconnection diagram and refer to the LDP User s Manual 910 225 for details on its operation The XDP Explosion proof Display Package provides an integral regulated 24 VDC power supply a 3 digit display with an adjustable 4 20 mA analog input range two SPDT alarm relays rated for 1A 2250 VAC and an isolated independently adjustable 4 20 mA analog output The XDP is supplied in an explosion proof enclosure that is rated for Cenelec EEx d IIC T6 approval pending and IP66 with optional gasket See Figure B 3 on page B 3 for an interconnection diagram and refer to the XDP User s Manual 910 204 for details on its operation These GE instruments include the Moisture Image Series 1 Moisture Image Series 2 and Moisture Monitor Series 3 analyzers These analyzers accept inputs from a variety of sensors including the XMO2 and offer graphical and digital interfaces See Figure B 3 on page B 3 for interconnection diagrams and refer to the User s Manual 910 108 109 or 110 for details on its operation Note An external 24 VDC power supply such as the PS5R C24 is required to use the XMO2 with these analyzers The GE System 1 is a versatile multi channel analyzer which accepts inputs from any combination of GE moisture temperature oxygen and thermal conductivity transmitters See Figure B 3 on page B 3 for an interconnecti
36. of the background gas That signal is then used to reduce the effects of the background gas variation on the oxygen span point measurement In addition to maintaining a constant oxygen bridge temperature the XMO2 microprocessor compensates for any zero point shift in the oxygen bridge circuit output caused by background gas changes Finally the bridge circuit voltage is further adjusted for variations in background gas composition and or atmospheric pressure by internal microprocessor based compensation algorithms The compensated signal is then amplified and converted to a 4 20 mA analog output that is proportional to the concentration of oxygen in the gas mixture Features and Capabilities 1 5 September 2007 System Components The XMO2 Transmitter The basic XMO2 measurement system consists of an XMO2 Transmitter mounted in a Sample System The sample system is mandatory and can either be provided by GE or constructed according to our recommendations The XMO2 Transmitter is self contained consisting of the oxygen sensor and associated electronics It requires a 24 VDC power input 21 2 A maximum at power up and it provides a 4 20 mA analog output signal that is proportional to the oxygen concentration of the sample gas and has fully programmable zero and span points Also provided is an RS232 digital output for oxygen concentration background gas and atmospheric pressure signals Programming and calibration of the uni
37. option If you selected N above go to the appropriate section of this chapter for further programming instructions Otherwise simply continue taking live readings 6 46 General Programming Chapter 7 Advanced Programming Introduction eere htt c 7 1 Entering the Advanced Menu cc ccc cece cee eee eese 7 2 Advanced Menu Options cece eee eee eee e nennen 7 2 SEP ME ae eee 7 3 CALIBRATE SYSTEM Menu occiso ee 7 6 CALIBRATE RECORDER Menu 2 eee cee eee 7 20 SET ERROR HANDLING Menu 200 0 as 7 21 ERASE RAM Mens RET 7 29 RESUME Menue sesers he a e 7 30 September 2007 E Introduction The XMO2 transmitter contains an interactive User Program that allows the user to customize the XMO2 for any application perform calibrations and change operating parameters as necessary Using the built in RS232 digital output the User Program is accessed via a computer terminal With the appropriate passcodes three different menus are available Note A different passcode is required for each of the three menus Basic Menu used to perform a quick calibration General Menu provides error diagnostics and factory calibration data entry Advanced Menu offers problem solving functions to repair any errors diagnosed in the General Menu Data entered into the XMO2 User Program overrides any previously entered data and it is retained in memory for several years even if power to th
38. option appears only if Pressure Compensation is ON and Background Compensation is ON as specified in the System Mode menu see page 6 4 CALIBRATE SYSTEM Press Y or Enter to enter the Pressure Background Grid Pressure Background Grid menu At the Grids prompt specify the number of calibration data grids to be entered Each grid represents a specific pressure CALIBRATE MULTI GRID To accept the current value press Grids x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Grid n prompt allows you to enter a fixed pressure for one of the grids in the pressure background grid Note The pressure units displayed in the next prompt are specified in the Select Pressure Type option of the Advanced Menu The choices are Pres generic mmHg used as an example in this manual PSla and kPa Refer to Chapter 7 Advanced Programming for more details Grid N To accept the current value press mmHg poocx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Grid n prompt repeats until the total number of grids specified at the Grids prompt have been programmed After all the grids have been entered the Curves prompt lets you specify the total number of curves to be entered for each grid 6 18 General Programming September 2007 PRESSURE BACKGROUND GRID Option co
39. sample Calibration Sheet for the XMO2 transmitter is shown in Figure 8 1 below 46 GE Panametrics Panametrics inc 221 Crescent Street Waltham MA 02453 3497 781 899 2719 www panametrics com XMO2 CALIBRATION SHEET XMO2 SN 2035 XMO2 PN XMO2 2H 11 Calibration Part Number XCAL 61 Compensation Type BACKGROUND GAS N2 C02 Calibration Range 02 0 to 25 02 Work Order Number P 203549 Calibration Date April 02 2003 Technician K Brin CALIBRATION DATA XMO2 Enable Compensation YES BACKGROUND XMO2 System Response DAMPED XMO2 Oxygen Grid 5 Points 2 Curves XMO2 Recorder 4 20 mA 0 to 25 O2 CURVE 1 Nitrogen COMP mV 02 Output mA 251 8 4 00 252 10 20 252 10 40 253 17 39 253 19 94 CURVE 2 Carbon Dioxide 02 O2 mV COMP mV 02 Output mA 0 00 403 226 4 4 00 9 69 155 229 10 20 10 00 162 230 10 40 20 93 481 234 T739 24 91 512 236 19 94 Jumper on P6 Pins Not Used R24 N A Field Calibration 0 02 push CAL button and hold for about 20 seconds DSK9 XCAL61 LST 300 100 v1 6 17 Feb 1998 DSK9 03549A L82 300 100 Nondestructive Testing Process Control Instrumentation Space Instrumentation Toit Free 800 225 8330 Toll Free 800 833 9438 Fax 751 899 5628 rect Line 781 899 2740 Direct Line 781 899 2746 Manufacturing i 5 Fax 781 894 8582 R amp D 781 894 5785 Fax 781 647 3209 E mail gepanametrics ndtGys ge com E mail gepanametrics pci ps ge com Dira Figure 8 1
40. see Chapter 6 General Programming for instructions on reconfiguring the XMO2 for a two gas calibration Note The zero and span calibrations can be performed in either order For zero based calibration ranges e g 0 25 we recommend performing the span calibration first For non zero based calibration ranges e g 90 100 we recommend performing the zero calibration first Proceed to the appropriate section to begin the field calibration To perform a zero gas pushbutton field calibration complete the following steps 1 Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same zero gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the zero gas to flow through the XMO2 for at least three minutes 2 Using Figure 4 2 on page 4 4 as a guide locate the Zero Span Selector Switch S1 Set the Zero Span Selector Switch S1 to position 1 Zero 3 Using Figure 4 2 on page 4 4 as a guide locate the Calibration Pushbutton Switch S3 Depress the Calibration Pushbutton and hold it down for 20 seconds Field Calibration 4 7 September 2007 Span Gas Pushbutton Calibration Two Gas RS232 Communication Calibration To perform a span gas pushbutton field calibration complete the following steps 1 Using the sample system controls stop the flow of sample gas to the
41. submenu The Points prompt lets you specify the number of data points that comprise the pressure curve Obtain this value from your Calibration Sheet see page 8 6 for a sample calibration sheet Enter Pressure Curve To accept the current value press Points n Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice At the mmHg prompt you can enter the pressure value for one of the pressure curve data points listed on your Calibration Sheet see page 8 6 for a sample calibration sheet Note The pressure units displayed in the next prompt are specified in the Select Pressure Type option of the Advanced Menu The choices are Pres generic mmHg used as an example in this manual PSla and kPa Refer to Chapter 7 Advanced Programming for more details Enter Pressure Curve To accept the current value press mmHg xxx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The next prompt to appear depends on whether you selected Numeric Entry or Introduce Gases at the Calibrate Mode prompt on page 6 5 Proceed to the appropriate section on the next page to continue the programming sequence 6 12 General Programming September 2007 PRESSURE CURVE Option cont If you selected Numeric Entry as the Calibrate Mode At the mmHg mV prompt enter the listed pressure signal mV value co
42. the XMO2 to reach temperature stability 2 Loosen the set screw that locks the XMO2 cover in place and unscrew the cover IMPORTANT Remember to replace the cover after the calibration has been completed Startup amp Operation 3 3 September 2007 Pushbutton Calibration cont Set Screw Circuit Board 7 Y SAS IN Figure 3 1 XMO2 Cover Set Screw and PCB To perform the offset gas pushbutton calibration refer to Figure 3 2 below and complete the following steps Switch S1 Switch S3 Figure 3 2 PCB 4703 1139 Calibration Switches 3 4 Startup amp Operation September 2007 Pushbutton Calibration cont Note The XMO2 s digital printed circuit board PCB 4703 1139 is located directly below the cover see Figure 3 1 on page 3 4 1 By referring to Figure 3 2 on page 3 4 locate terminal block TB 1 Connect the positive lead of an ammeter to Pin 3 on TB1 and connect the negative lead of the ammeter to Pin 4 on TB1 IMPORTANT A current measurement cannot be made in parallel with any other resistance If other wires are already connected to Pins 3 and 4 of TB1 temporarily disconnect them prior to connecting the ammeter 2 Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same offset gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allo
43. the data from this field recalibration to the original factory calibration data and stores the difference as an Offset Curve The XMO2 is usually factory programmed for the offset gas pushbutton calibration method The Calibration Sheet shipped with your unit specifies the recommended oxygen level in 0 for the offset gas to be used This is the same offset gas oxygen level that was used for the factory calibration If no offset gas 0 is specified on the XMO2 Calibration Sheet the factory calibration was done with 100 N 0 00 0 gt and the field calibration should use the same offset gas Choose one of the following offset gas field calibration methods pushbutton method RS222 digital communication Then proceed to the appropriate section for instructions To perform a pushbutton offset gas field calibration complete the following steps 1 Verify that your XMO2 is configured for a one gas calibration see Chapter 5 Basic Programming for details This is the factory default configuration for all units 2 Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same offset gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the offset gas to flow through the XMO2 for at least three minutes 3 Using Figure 4 2 on page 4 4 as a guide locate the Calibration Pushbutton Switch S
44. the next DriftCal Span Error error The Gas Input Underrange Error is generated when the main gas oxygen mV signal drops below 512 mV ENABLE DISABLE ERRORS Press N to skip this error or Gas input underrange press Y or Enter to set it Gas input underrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next Gas input underrange SIOL The Gas Input Overrange Error is generated when the main gas oxygen mV signal exceeds 512 mV ENABLE DISABLE ERRORS Press N to skip this error or Gas input overrange press Y or Enter to set it Gas input overrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next Gas input overrange error Advanced Programming 7 23 September 2007 a xm___ e o a eoRooQppioppqqr oo E TERMINAL Option cont The Bkgd Input Underrange Error is generated when the background gas compensation signal falls below the normal range ENABLE DISABLE ERRORS Press N to skip this error or Bkgd input underrange press Y or Enter to set it Bkgd input underrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and
45. to Step 2 02 0 00 2 At the above screen do one of the following Press Y or ENTER to accept the current low input value 0 00 in the above example Then go to Step 4 Use the numeric keys to enter a new low input value 5 00 in the example that follows Then go to Step 3 3 If you entered a new low input value mA Output 4 mA Value Press Y or ENTER to accept 02 0 00 5 00 the new low 4 mA input value 4 Complete the procedure as follows BASIC MENU The Low Input Value has been Set Low Input Value set You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press N repeatedly until the Resume option appears Then press Y to return to Operate Mode 5 10 Basic Programming September 2007 ee SET HIGH INPUT VALUE The Set High Input Value option lets you specify the O value in the Option gas that corresponds to a 20 00 mA current at the analog output Note This option appears if DriftCal is ON or OFF and if a one or two gas calibration has been selected To use the Set High Input Value option proceed as follows 1 Press N until the following prompt appears BASIC MENU Press Y or ENTER to set the mA Output 20 mA Value Go to Step 2 02 100 00 2 At the above screen do one of the following Press Y or ENTER to accept the curre
46. 0 to 5 11 or see page 6 36 and calibrated see page 7 32 GENERAL MENU Press Y or Enter to enter the Test Recorder menu or press N to move to the next General Menu option The next prompt lists whichever choice was selected the last time the menu was accessed Enter mA tests the 4 20 mA output to a specified mA value Enter Units tests the 4 20 mA output to a specified oxygen Select Value Type Press N until the desired option Enter mA or Enter Units is displayed then press Y or Enter to proceed Based on the selection made above go to the appropriate section ENTER mA Option If you selected the Enter mA option enter the desired analog output in mA at the next prompt Enter mA Output mA To accept the current value press mA xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The 4 20 mA analog output is forced to the value specified above Verify that your analog output device is displaying the correct value mA Output xx xx mA When ready press Y or Enter Press YES to return to the General menu This completes the prompts for the Enter mA option and the XMO2 returns to the main General menu 6 42 General Programming September 2007 E ENTER UNITS Option If you selected the Enter Units option enter the desired oxygen concentration at the next prompt Enter mA Output to To accept the c
47. 04 GE z Sensing KONFORMIT TS ERKL RUNG Wir Panametrics Limited Shannon Industrial Estate Shannon County Clare Irland erkl ren unter alleiniger Eigenverantwortlichkeit dass die Produkte XMO2 Sauerstoffmesswertgeber XMTC Temperaturleitf higkeitsanalysator XMO2 TC Temperaturleitf higkeitsanalysator TMO2 Sauerstoffmesswertgeber auf das sich diese Deklaration bezieht die folgenden Normen erf llen e EN 50014 1997 A1 A2 1999 e EN 50018 2000 e EN50281 1 1 1998 e 2 GD EExd IIC T5 ISSePO2ATEX022 ISSeP B7340 Colfontaine Belgien e EN 50104 1998 nur XMO2 e EN 61326 1998 Class A Annex A kontinuierlicher Uberwachungsfreier Betrieb e EN 60529 1991 A1 2000 IP66 und dass sie die Anforderungen der EMC Direktive 89 336 EEC und der Direktive 94 9 EC ATEX einhalten Die oben angef hrten Produkte sowie Zusatzvorrichtungen zur Probenhandhabung tragen keine CE Markierung f r die Druckbeh lterdirektive da sie unter Einhaltung von Artikel 3 Abschnitt 3 zuverl ssige Ingenieurspraktiken und Codes f r gute Fertigungspraktiken der Druckbeh lterdirektive 97 23 EC f r DN 25 geliefert werden Shannon 1 Juli 2003 p A ss Hr James Gibson GENERAL MANAGER ce e IS ENISO9002 T V ESSEN Shannon ISO 9001 U S CERT DOC H1 August 2004 GE Sensing ATEX COMPLIANCE We GE Infrastructure Sensing Inc 1100 Technology Park Drive Billerica MA 01821 4111 U S A as the manufacturer declare
48. 2007 SYSTEM MODE Option cont The next prompt is used to choose between the two available analog output ranges and resolutions All units are shipped from the factory with a range of 0 00 100 00 with a resolution of 0 01 but a range of 0 000 10 000 with a resolution of 0 001 is available for special applications Calibration Range Press Y or Enter to accept this 0 00 100 00 range or press N is you wish to use the alternate range If you pressed Y above programming of this submenu is complete Proceed to the final prompt on this page Otherwise continue with the next prompt IMPORTANT Always consult the factory before choosing the special range resolution setting Calibration Range Press Y or Enter to accept this 0 000 10 000945 range or press N is you wish to use the default range The following prompt which appears only if Y was pressed above is used to specify an offset for a zero suppressed range Enter low 9502 value To accept the current value press 02 x x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice CALIBRATE SYSTEM You have now completed the System Mode programming of this submenu You may now do one of the following Press N as many times as necessary to select another Calibrate System menu option Then press Y and proceed to the appropriate section of this chapter for instructions
49. 3 Depress the Calibration Pushbutton and hold it down for 20 seconds During this time the green light below the Calibration Pushbutton will go out 4 When the Calibration Pushbutton is released the green light will come back on and the XMO 2 has been recalibrated You may now return the XMO2 to normal operation by using the sample system controls to stop the offset gas flow and restart the flow of sample gas Field Calibration 4 5 September 2007 RS232 Digital Communication Method To perform an offset gas field calibration via a properly installed RS232 communication link complete the following steps m Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same offset gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the offset gas to flow through the XMO2 for at least three minutes N Enter the XMO2 Basic Menu by slowly keying in Shift 1 Gif the XMO2 is set up for Easy Menu Entry or Enter 1 2 3 Q The following initial menu option should appear BASIC MENU Press Y or Enter to perform a IMPORTANT fthe initial Basic Menu option is Quick Zero your XMO2 is configured for a two gas calibration You must change this to a one gas calibration before proceeding see Chapter 6 General Programming for instructions 4 After the automatic Quic
50. AS CURVEODUORE x sme tt EC eme e det ados cet do 6 6 BACKGROUND GRID Option issssssssssssssssss I e eee 6 8 PRESSURE CURVE Options acca sane co dialers dara 6 12 PRESSURE GRID ODIO ta 8 PERLE RE Ant 6 14 PRESSURE BACKGROUND GRID ODUODR creep ds 6 18 DRIFIGAL HANDLER Option ara 2 ea gane Me EPA 6 23 DONE OPA Ne 6 35 CALIBRATE RECORDER Mena A E ci 6 36 TESTINPUTS Mens 2 co da ee ERE ii dec ed 6 37 Q2 INPUTODEOLD i dob dende A a 6 37 COMPANPUT Optio mea rtr pere eR RU Ede rue te bale ex ette 6 38 PRESSURE INPUT Option isssssssssssssssssss II m een 6 38 RAW BRIDGE INPUT OPTION iii oe a Med MUS 6 39 OFFSETINPUT OPTIO aii an ete eet sa es dated Pb SS 6 39 TEMPERATURE NPUTO DION na recent 6 40 BRIDGE POWER INPUT Option oooococccoccccoccnccccno rro 6 40 ANALOG GROUND INPUT Option ae Te 6 41 DONE OPIO suicida as 6 41 TEST RECORDER MENU erecciones DIS GG begets Ge EE ad 6 42 ENTER MA ODtIOD ai nn LE e ti DEG dett 6 42 ENTER UNITS ODIOM ab t E ee ANE 6 43 SET ERROR HANDLING Menu rises a ii a 6 43 TERMINAL O Plot ed o rr di qt M 6 44 MA OUTPUT O PIN etus e ecu M e Ra ce te een 6 44 DONE OPUON da ua V t beet ute ter te end toute VER 6 46 RESUME Meninas eire ERU ee bee b pedi eiie de bien 6 46 vii September 2007 EXIXRIERICHIOCUREIII a a OE E O ooo x Table of Contents cont Chapter 7 Advanced Programming Mee 7 1 Entering the Advanced M n reellen are 7 2 Advanced Ment Options as BIS lan 7 2 SEIURMeNU
51. Background Compensation is ON CALIBRATE SYSTEM Press N until this prompt Gas mV Exp Filter appears then press Y or Enter The Gas mV Exp Filter submenu includes the same six options as the Gas Value Exp Filter submenu except that the values are in mV instead of See the descriptions of these options on pages 7 12 through 7 16 Proceed to the appropriate section for programming instructions Advanced Programming September 2007 E COMP mV EXP FILTER The Comp mV Exp Filter option is used to specify the five Option parameters associated with the XMO2 s fast response algorithm for the background gas when background gas compensation is enabled To use this option refer to the menu map in Figure C 8 on page C 8 and proceed as follows IMPORTANT The fast response parameters are set up at the factory and should not need to be changed If you are having problems with the fast response option consult the factory before making any changes Note This menu option appears only if Response Type is Fast and Background Compensation is ON CALIBRATE SYSTEM Press N until this prompt Comp mV Exp Filter appears then press Y or Enter The Comp mV Exp Filter submenu includes the same six options as the Gas mV Exp Filter submenu except that the values are for the background gas instead of the main gas See the descriptions of these options on pages 7 12 through 7 16 Proceed to the appropriate section for programm
52. DM user program 4 atmospheric pressure and background gas compensation IDM user program E Wetted Material 1 316 stainless steel 2 Hastelloy C276 Chemraz O Rings 8 4 Specifications and Factory Data September 2007 see Calibration Specification A Calibration XCAL XMO2 thermoparamagnetic oxygen transmitter B Range of Oxygen Output when the rack mount package is selected option 6 0 to 25 must be selected here 1 0 1 oxygen 2 0 2 oxygen 3 0 5 oxygen 4 0 10 oxygen 5 0 21 oxygen 6 0 25 oxygen 7 0 50 oxygen 8 0 100 oxygen A 90 100 oxygen B 80 100 oxygen S special range C Compensation Signal 1 background gas compensation only standard N5 CO5 2 atmospheric pressure compensation only standard range 700 to 800 mm Hg 3 background gas compensation only special gas specify specal calibration gases when ordering 4 atmospheric pressure compensation only special range specify typical atm pressure of end destination when ordering 5 standard background gas N2 CO2 and atmospheric pressure compensation 700 to 800 mm Hg 6 background gas and atmospheric pressure compensation special range specify special gases and special atmospheric pressure range when ordering D Responsel 1 standard 2 Response to meet EN 50104 3 Fast Response Specifications and Factory Data 8 5 September 2007 Calibration Sheet For reference a
53. GE Sensing XMO2 Thermoparamagnetic Oxygen Transmitter User s Manual 910 141A5 September 2007 Attention This manual should be used for XMO2 units with the Terminal User Program Option D 1 or 2 only For XMO2 units with the IDM User Program Option D 3 or 4 manual number 910 1418 or a later revision must be used September 2007 Warranty Return Policy Each instrument manufactured by GE Sensing Inc is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE determines that the equipment was defective the warranty period is one year for general electronic failures of the instrument one year for mechanical failures of the sensor If GE determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or implied including warranties of merchantability and fitness for a particular purpose and warranties arising from course of
54. IGe ec e ed tS e ces eto ade esce ea tae 8 6 SAR ee eek ea td baket datter s Der heldt 8 7 Basie Men Derdulbs ET 8 7 General Menu Defaults Lua eh ee 8 7 Advanced Menu Defdults sa ae ren 8 9 viii September 2007 et Table of Contents cont Appendix A Two Typical Applications Blanketing Gases in Hydrocarbon Liquid Storage Tanks 2 0 0 cece cece eee eens A 1 The POD Has A 1 Eguipment Used see a stets ned A 1 Basic Operating PEST A 2 PFEVIOUS SYSTEMS 2 ne O ae thatthe ore esse A 2 Reactor Feed Gases in Formaldehyde ProductiON oooooooocococococcccccccr o A 3 TET DE ota Dere ges ett A 3 Equipment Used va Luse shares Feet esi eed lae de ebat a Sepa ale a eps A 3 Basic Operating PracBdHEe o ie see uus cv Mete bd ru Mee ed A 4 Previous SYSTEMS ne SN A 4 Appendix B Outline and Installation Drawings Dutlineandiinet latian sau ea B 1 XMOZ ASSSITIDIUS dac aste O B 2 Interconnection Diagrams 0 ce nnn eee ase B 3 RS232 Digital Q tp t CODES A SN B 4 DigitalP Sears B 5 D PE Se TEEN TNT B 6 Digital PEB Sthematie shest aa re O B 7 Analog PEB ASSEM BIY y ne tad a ee et 8 8 Analog PCB Schematic sh et 1 nn an ais B 9 Analog PEBSchem tie isheet 2 cc esed c atus ates ev tete a o eed a AERE B 10 Appendix C Menu Maps Basic All Submenus and OUEIOS x Som Siete Lee ceteras een irn C 1 General Cal System gt System Mode Gas Curve Background Grid oooocccococcco C 2 Genera
55. LS EN IS09002 T V ESSEN Shannon ISO 9001 U S CERT DOC H1 August 2004 GE DECLARATION Sensing DE CONFORMITE Nous Panametrics Limited Shannon Industrial Estate Shannon County Clare Ireland d clarons comme tant de notre seule responsabilit que les Transmetteur d oxygene XMO2 Analyseur de conductivit thermique XMTC Analyseur de conductivit thermique TMO2 TC Transmetteur d oxygene TMO2 sur lequel porte ce document est conforme aux sp cifications suivantes e EN 50014 1997 A1 A2 1999 EN 50018 2000 EN50281 1 1 1998 e 2 GD EExd IIC T5 ISSePO2ATEX022 ISSeP B7340 Colfontaine Belgique EN 50104 1998 XMO2 uniquement e EN 61326 1998 Classe A Annexe A Fonctionnement continu sans surveillance e EN 60529 1991 A1 2000 IP66 conform ment aux dispositions des directives 89 336 EEC compatibilit lectromagn tique et 94 9 EC ATEX Les appareils indiqu s plus haut et tous les accessoires d chantillonnage fournis avec ne portent pas la marque CE pour la directive concernant les quipements de pression dans la mesure ou ils sont fournis conform ment l article 5 section 3 pratiques d ing nierie s res et codes de bienfacture de la directive concernant les quipements de pression 97 23 EC pour DN 25 Shannon 1er juillet 2003 bcn FATE Mr James Gibson DIRECTEUR G N RAL ce e LS EN IS09002 T V ESSEN Shannon ISO 9001 U S CERT DOC H1 August 20
56. Link Programming Keystrokes and Menu Navigation see pages 5 2 and 5 3 General Programming 6 1 September 2007 Entering the General Menu General Menu Options To switch the XMO2 from Operate Mode to Programming Mode proceed as follows MEME Note fthe XMO2 is set up for Easy Menu Entry pressing Shift 2 switches the XMO2 directly to Programming Mode and enters the General Menu See Chapter 7 Advanced Programming for instructions on setting up Easy Menu Entry Enter Code Press the 3 6 and 9 keys slowly and firmly in sequence Note An is displayed after each digit is entered If you enter an incorrect code press a non numeric key or press the keys too quickly the XMO2 will return to Operate Mode GENERAL MENU You now have access to the Calibrate System General Menu The General Menu consists of the following six menu options Calibrate System The factory calibration data may be accessed via this menu option Calibrate Recorder The default analog output high and low values may be accessed via this menu option Test Inputs For diagnostic purposes various input parameters may be accessed via this menu option Test Recorder For diagnostic purposes the analog output values may be accessed via this menu option Set Error Handling the manner in which the XMO2 responds to various error conditions is specified in this menu option Resume Use this menu option to either retur
57. Ms cece ccc cece eect eee ee eens B 3 RS232 Digital Output Cables oooooocococoorrmmmoooo B 4 Digital PCB Assembly c eR ir Rie B 5 Digital PCB Schematic sheet 1 o ooooooooommmoo o B 6 Digital PCB Schematic sheet 2 ooooooommmorrooo B 7 Analog PCB Assembly ei ar en B 8 Analog PCB Schematic sheet 1 o oooooooommmmo B 9 Analog PCB Schematic sheet 2 ooooooooomoomooo 8 10 September 2007 8800T 2T24 Bmp ya uonpj pISU pup euiino T g a nd y B 1 Outline and Installation Drawings September 2007 Figure B 2 XMO2 Assembly ref dwg 705 677H Outline and Installation Drawings B 2 September 2007 E MIS1 MMS3 Connections see User s Manual for details MIS2 Connections see User s Manual for details System 1 Connections see User s Manual for details PS5R C24 Same As TB1 or equal Pins 2 4 PS5R C24 EN in PS5R C24 or equal or equal RIN 24 m Same As TB1 Pins 2 4 12345678910 EH gu 654321 gi Same As TB1 Pins 2 4 LIT HE UI Same As TB1 su XMO2 CS1 34 Data Acquisition PCB 12345678 7 Same As TB1 Pins 2 4 MIS1 MMS3 1234567 8 SYSTEM 1 TMO2D Connections see User s Manual for details XDP Connections see User s Manual for details LDP Connections see User s Manual for details TE PS5R C24 or equal Figure B 3 Interconnection Diagrams
58. NAN 1 8 Long Cable ee erleben 1 8 Power Supply optional ag vacuno tt ep daa ta Cate anaes scat 1 8 The TMO2D Display Controller Optional cuss een 1 8 Chapter 2 Installation introductio aS 2 1 Installing the XMO2 Transmitter vassere ecards 2 1 Installing the Sample System a a 2 2 ADOS SM AN EEEE EET EEES TA 2 2 Mounting the Sample System ae O EE P MESI 2 3 Wiring the MO Transmitter mii asta lso tl lt nent ese ted 2 4 e e a QUISAS rea 2 4 Grounding the XMO2 Transmitter navn C a i CI Ebo ans 2 5 Cable SPENN TT 2 6 Accessing Terminal Block TB Lusis pradera 2 7 Wiring the Signal Connections ds oce er Cai desse cea sacan sanan vag 2 8 Connecting TO Other DeVIC BST c ictu e Scd ets Roa e nu tu Wer dor quA Ed 2 9 herske 2 9 AA ee ee er el PS 2 10 COP re 2 10 ADOR DISPIIV T aek A Loe den sale A ON A 2 10 Moisture Image Monitor Series Analyzers rrrrvannvrnvrnnernvenrernernsnr 2 10 SS AA A 2 10 Chapter 3 Startup amp Operation Freds 3 1 Powering Up the XMO2 Transmitter ee eter 3 1 ESTADISTA Sample GAS FIOW rs ia e OR do AAEE e 3 1 Analog Output Calibration OptiOnS anna lp 3 3 Pashbutten CODO uE PE CERA esse ori 3 3 RS232 Digital Communication Calibration salt ye Sowa ee EN 3 6 Changing the 4 20 mA Analog Output Range SEN 3 8 September 2007 eee Table of Contents cont Chapter 4 Field Calibration MN 4 1 FOCTOR Calibration AAA PE duet teri de 4 1 Enhancing the Factory Calibration s tcc dis 4 2 Required C
59. Press N repeatedly until you reach the Done option of the Calibrate System menu then press Y to return to the top level of the Advanced Menu 7 8 Advanced Programming September 2007 ee O2 INPUT Option The 02 Input option is used to specify an AutoZero value for the measurement bridge and or to perform an Auto Zero of the bridge with a flow of a 0 000 oxygen gas such as nitrogen To use the 02 Input option refer to the menu map in Figure C 8 on page C 8 and complete the following steps Note This menu option always appears CALIBRATE SYSTEM Press N until this prompt The O2 Input submenu includes the following three options e Set AutoZero Value e AutoZero Bridge Done Proceed to the appropriate section for programming instructions The Set AutoZero Value option The Set AutoZero Value option is used to specify an AutoZero value for the measurement bridge To enter this value proceed as follows IMPORTANT The factory default AutoZero value is 400 0 mV Never change this value without first consulting the factory Adjust Zero Press N until this prompt Set AutoZero Value appears then press Y or Enter Enter AutoZero value To accept the current value press mV ox x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Note The following prompt appears only if 0 000 10 000 was selected as the calibration range see p
60. Press Y or Enter to begin programming actual mV values or press N to have the XMO2 interpolate the mV values The next prompt to appear depends on the above response and on whether you selected Numeric Entry or Introduce Gases at the Calibrate Mode prompt on page 6 5 Proceed to one of the sections on the following two pages to continue the programming sequence Note After all data points specified at the Points prompt for the current curve have been entered this sequence is repeated for the next curve After all of the curves specified in the Curves prompt have been entered programming of the Pressure Grid option is completed and you will be returned to the Calibrate System prompt General Programming September 2007 PRESSURE GRID Option cont Numeric Entry Y enter tabulated mV value Numeric Entry N XMO2 interpolates mV value Introduce Gases Y use appropriate calibration gas Introduce Gases N XMO2 interpolates mV value If you selected Numeric Entry and Y If you selected Numeric Entry at the Calibrate Mode prompt and Y at the Enter Point prompt the O2 mV prompt lets you enter the corresponding O2 mV value for the current 02 and pressure values X XX 9502 xxx x mmHg To accept the current value press O2 mV x x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice After responding to the above prompt you
61. SIC MENU Press Y or Enter to return to Resume Operate Mode The XMO2 Quick Offset calibration is now complete and the display shows the corrected O level In addition the 4 20 mA analog output has also been calibrated Startup amp Operation 5 7 September 2007 Changing the 4 20 mA Analog Output Range The XMO2 Calibration Sheet shipped with the unit lists the 4 20 mA analog output range that was set at the factory To change this range using RS232 digital communication perform the following steps m If the XMO2 is not set up for Easy Menu Entry enter the XMO2 Basic Menu by slowly keying in Shift 1 or Enter 1 2 3 Refer to the menu map in Figure C 1 on page C 1 for the options available in this menu N Press N repeatedly until the following display appears BASIC MENU Press Y or Enter to set the low 4 mA input value Set Low Input Value Note The low input value is the 0 gt in the sample gas that will generate an analog output current of 4 00 mA mA Output 4 mA Value 02 0 00 3 At the above screen do one of the following Press Y or Enter to accept the current low input value 0 00 in the above example Then go to Step 5 Use the numeric keys to enter a new low input value 5 00 in the example that follows Then go to Step 4 4 If you entered a new low input value mA Output 4 mA Value Press Y or Enter to accept the 02 0 00 5 00 new l
62. Set Error Handling Opti Figure C 9 mmHg Value Overrange Gas Input Overrange N2 Value Underrange Bkgd Input Underrange N2 Value Overrange Bkgd Input Overrange Pressure Input Underrange Menu Maps C 9 September 2007 Index A Accessories Optional 8 3 Advanced Menu Calibrate Recorder 7 20 Calibrate System ooooo oo mo oo 7 6 Entering hei ont ubere esek ske 7 2 Erase RAM esie es 7 29 Options nel M ee GERE 7 2 Resume auslesen 7 30 Set Error Handling 7 21 Setup eigene uineas 7 3 Analog Ground Input Menu 6 41 Analog Output Calibration Menu 6 36 7 20 Calibration Options 3 3 Changing the Range 3 8 Set High Input Value 5 11 Set Low Input Value 5 10 Test Menu orina te 6 42 Applications Blanketing Gases in HC Storage Tanks A 1 Formaldehyde Reactor Feed Gases A 3 AutoZero Bridge Menu 7 10 B Background Gas Compensation 4 1 Background Grid Menu 6 8 Basic Menu Entering be eet kastes 5 4 Options een eee a WR 5 4 Quick OffSet oo oooooomooo o 5 5 Quick Span 0 2 eee eee eee 5 8 Quick Zero iuis sce beh 5 7 Resume id 5 12 Set High Input Value 5 11 Set Low Input Value 5 10 View Drift Curve ooo oooooo ooo 5 9 View Offs
63. XMO2 Calibration Sheet shipped with the unit Upon initial startup field verification and or calibration of the 4 20 mA analog output is required To perform this task either of the following procedures may be used e pushbutton calibration offset gas method e RS232 digital communication calibration zero span gas method After the XMO2 is in operation field calibration is recommended at intervals of about 1 3 months depending on the application Refer to Chapter 4 Field Calibration for additional information regarding the field calibration of previously installed units Pushbutton Calibration Pushbutton Calibration is the simplest method for performing an initial field calibration of the XMO2 s 4 20 mA analog output This method requires only a single calibration gas called an offset gas The XMO2 is usually factory programmed for the offset gas pushbutton calibration method The Calibration Sheet shipped with your unit specifies the recommended oxygen level in 0 for the offset gas to be used This is the same offset gas oxygen level that was used for the factory calibration If no offset gas O is specified on the XMO2 Calibration Sheet the factory calibration was done with 100 N 0 00 07 and the field calibration should use the same offset gas To prepare for this calibration method refer to Figure 3 1 on page 3 4 and perform the following preliminary steps 1 Turn the power on and allow at least 30 minutes for
64. XMO2 inlet port and initiate a flow of the same span gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the span gas to flow through the XMO2 for at least three minutes 2 Using Figure 4 2 on page 4 4 as a guide locate the Zero Span Selector Switch S1 Set the Zero Span Selector Switch S1 to position 3 Span 3 Using Figure 4 2 on page 4 4 as a guide locate the Calibration Pushbutton Switch S3 Depress the Calibration Pushbutton and hold it down for 20 seconds During this time the green light below the Calibration Pushbutton will go out 4 When the Calibration Pushbutton is released the green light will come back on and the XMO2 has been recalibrated You may now return the XMO2 to normal operation by using the sample system controls to stop the span gas flow and restart the flow of sample gas Note After performing a two gas field calibration you should return the XMO2 to one gas calibration mode See Chapter 6 General Programming for instructions To perform a two gas RS232 communication field calibration complete the following steps 1 Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same zero gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the zero gas to flow through the XMO2
65. XMO2 uses calibration data entered for background gas compensation along with data stored in the drift curve to compensate the oxygen signal Background Comp Press N to select the desired on OFF option then press Y or Enter to confirm your selection and move to the next prompt 6 4 General Programming September 2007 AAA SYSTEM MODE Option The next prompt allows the user to specify whether the calibration cont data will be entered numerically from the XMO2 Calibration Sheet see page 8 6 for a sample calibration sheet or from the introduction of the appropriate calibration gases Calibration Mode Press Y or Enter if you wish to enter numeric calibration data or press N is you wish to use calibration gases The next prompt appears only if you chose not to use numeric calibration data entry at the above prompt If you did choose numeric calibration data entry above skip the next prompt Calibration Mode Press Y or Enter if you wish to Introduce Gases enter calibration data by using calibration gases or press N to return to the Numeric Entry prompt After you have specified the desired calibration mode option you are returned to the System Mode option in the Calibrate System menu CALIBRATE SYSTEM You have now completed the System Mode programming of this submenu You may now do one of the following Press N as many times as necessary to select another Calibrate System menu option Then
66. Y and proceed to the appropriate section for instructions Press Y to leave the Calibrate System submenu and return to the top level of the Advanced menu The Calibrate Recorder menu is used to electronically calibrate the 4 20 mA analog output circuit Refer to Figure C 8 on page C 8 and enter this menu from the Advanced Menu prompt as follows Note This calibration is independent of the 4 20 mA analog output calibration described in Chapter 4 Field Calibration That procedure uses zero span gases and internal potentiometer adjustments to calibrate the XMO2 4 20 mA analog output for those gases ADVANCED MENU Press N until this prompt Calibrate Recorder appears then press Y or Enter CALIBRATE RECORDER Press Y or Enter to force the Read LabCal 4 mA analog output to exactly 4 mA Enter mA Output Zero Use the numeric keys to enter the mA value shown on the output device Then press Y or Enter CALIBRATE RECORDER Press Y or Enter to force the Read LabCal 20 mA analog output to exactly 20 mA Enter mA Output Span Use the numeric keys to enter the mA xx xx mA value shown on the output device Then press Y or Enter mA x xx l 7 20 Advanced Programming September 2007 se CALIBRATE RECORDER Menu cont ADVANCED MENU Continue as indicated below Calibrate Recorder As the 4 mA and 20 mA calibrations interact with each other it may be necessary to repeat the above sequence s
67. Yes No Keys The Y key upper or lower case is used to select a displayed menu option or to confirm a numeric entry The N key upper or lower case is used to scroll forward to the next menu option or to clear a numeric entry Selector Keys The lt and gt keys are used as selector keys The lt key is used to step backward through a displayed list of menu options or as a backspace erase key during numeric entry The gt key is used to step forward through a displayed list of menu options It is equivalent to the N key Data Entry Keys The 0 9 and keys are used to enter numeric values During programming each menu prompt is represented by a two line display While a menu prompt is being displayed the top line of the display shows the title of the current menu in capital letters CURRENT MENU and the bottom line shows the current menu option followed by a question mark Menu Option To respond to a menu prompt Press Y or ENTER to select a displayed option press N or gt to move on to the next option press to move back to the previous option The XMO2 menu options are circular That is pressing N at the last option in a list returns to the first option in the list As an aid in navigating through the XMO2 menu options while following the instructions in this chapter see Figure C 1 on page C 1 for a flow diagram of the Basic Menu Basic Programming 5 3 Se
68. act the factory for instructions Caution The calibration procedures described in this chapter require the use of specialized apparatus and should be performed only by properly trained service personnel following all applicable safety practices Field Calibration September 2007 E Required Calibration To perform a field calibration the following materials are required Materials offset gas for a one gas 90 calibration e zero gas for a two gas 0 gt calibration and or a 4 20 mA analog output calibration span gas for a two gas O calibration and or a 4 20 mA analog output calibration Note Suggestions for suitable calibration gases are listed on the XMO2 Calibration Sheet provided with your unit Also be aware that the accuracy of the calibration will only be as good as the accuracy of the calibration gas es used GE Sensing XMO2 Calibration Sheet asample system or individual components e g flowmeter needle valve pressure gauge etc for introducing the calibration gas es to the XMO2 transmitter at the required pressure and flow rate See Chapter 2 Installation for specific recommendations amultimeter ammeter for a 4 20 mA analog output calibration IWARNING Avoid using explosive gas mixtures as your XMO2 calibration gasles Preparing for Field To prepare the XMO2 for a field calibration refer to Figure 4 1 on Calibration page 4 4 and perform the following preliminary steps 1 Tur
69. age 7 8 It lets you specify an offset for a zero suppressed range Enter low 9502 value To accept the current value press 02 x x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Advanced Programming 7 9 September 2007 a RR 02 INPUT Option cont The Set AutoZero Value option cont Adjust Zero You have now completed the Set AutoZero Value programming of this submenu You may now do one of the following Press N as many times as necessary to select another 02 Input menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the 02 Input menu then press Y to return to the Calibrate System main menu The AutoZero Bridge option This option is used to zero the measurement bridge with a 0 000 oxygen gas such as nitrogen The bridge should be calibrated if the 02 mV value from the test inputs reads 512 mV or if nitrogen readings are in error by 5 or more The bridge calibration may have shifted due to high pressure high flow rate or a power surge IMPORTANT The AutoZero Bridge option is run at the factory during system setup Do not rerun this option without first consulting the factory Connect a source of the chosen zero gas typically nitrogen to the XMO2 inlet Allow the zero gas to flow at a rate of 1 SCFH and at atmospheric pressur
70. alibration Matenals css ice ioc escis o adortus teta doe eee VERRE Pro ut dod s 4 3 Preparing for Field Calibration AAA AN 4 3 METAS Calibration EE 4 5 P shbutton Method st e ot euis 4 5 RS232 Digital Communication Method tanos cris arras iaa 4 6 PNO Gas HI ea 4 7 Setup uns SN SETER 4 7 Zero Gas Pushbutton CAMA Ne SEN 4 7 span sas Pushbutton Calibration es on ute tive ivit eir idea telae xis 4 8 Two Gas RS232 Communication Calibration ce nr Be 4 8 Chapter 5 Basic Programming PORVOO ee tae toe eater isin mcs dake a tact a Rea tna ein ieee hil Cue EA 5 1 Establishing the RS232 Communication Link rece es ae aa 5 2 Programming Keystroke ve 5 3 Menu Navigation bags cr ae See rer ee LA 5 3 Entering herre eee 5 4 Basic Merit ODtIOris cio e ste E ub gebe er baee seie 5 4 QUICK OFFSET Option ee erkannt Dui tag sites 5 5 VIEW OFFSET Option Saa EGET due is CIRC P es 5 6 QUICK ZERO OPTIO an a en eei to Euer 5 7 QUIERSPAN OBtION ota ld erbaut ante aA 5 8 VIEW DRIFT CURVE ODEtiORics ss chron eofdem Ee eem eb etie dt 5 9 SET LOW INPUT VALUE Option svada zem e Ege e ee Lan Re lee tea ce 5 10 SET HIGH INPUT VAEBUE ODtIOnD eee da orket 5 11 RESUME OBtIONn ausit bete te hae daa aid 5 12 vi September 2007 FA Table of Contents cont Chapter 6 General Programming MI NN 6 1 Eeg The Gre MAAS 6 2 General Me OS ASS 6 2 CALIBRATE SYSTEM Men Ui rre E ee ee 6 3 SYSTEM MODE Option ss es dto e da cal eins e e Do sl dao e 6 4 G
71. and stores the difference in a Drift Curve Note This option appears only if DriftCal is ON and a two gas calibration has been selected To use the Quick Zero option complete the following steps Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same zero gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the zero gas to flow through the XMO2 for at least three minutes N Perform the zero gas calibration press N until the following prompt appears Then proceed as follows BASIC MENU Press Y or Enter to initiate the Quick Zero zero gas calibration BASIC MENU This screen appears while the DriftCal In Progress calibration is taking place BASIC MENU The zero gas calibration has been Quick Zero completed You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press N repeatedly until the Resume option appears Then press Y to return to Operate Mode Basic Programming 5 7 September 2007 eee QUICK SPAN Option The Quick Span option uses a span gas of known concentration to perform a quick field recalibration the XMO2 The XMO2 compares the data from the new field calibration to the original factory calibration data and stor
72. ange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next mmHg value underrange ELEOT The mmHg Value Overrange Error is generated if the pressure reading in the selected units exceeds the normal range ENABLE DISABLE ERRORS Press N to skip this error or mmHg value overrange press Y or Enter to set it mmHg value overrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next mmHg value overrange ITOT The N2 Value Underrange Error is generated when the N2 or any other selected background gas value falls below 0 00 ENABLE DISABLE ERRORS Press N to skip this error or N2 value underrange press Y or Enter to set it N2 value underrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next N2 value underrange SITOR 7 26 Advanced Programming September 2007 TERMINAL Option cont The N2 Value Overrange Error is generated when the N2 or any other selected background gas value exceeds 100 00 ENABLE DISABLE ERRORS Press N to skip this er
73. ansmitter in the sample system complete the following steps 1 Select a location in the sample system that provides at least 9 in 230 mm of clearance above the top cover of the XMO2 for access to the interior of the transmitter s enclosure 2 Mount the XMO2 transmitter in the sample system via its two mounting holes Be sure that the transmitter is upright and is level to within 15 3 Use 1 4 stainless steel tubing to connect the sample system Inlet and Outlet fittings to the corresponding XMO2 ports IWARNING For explosion proof units be sure to conform to all safety and electrical code requirements Installation 2 1 September 2007 A A Installing the Sample You can order a complete sample system from GE Sensing that is System mounted on a steel panel and includes the XMO2 transmitter and all necessary components and plumbing Several standard sample systems are available and custom designed sample systems can be built to your exact specifications A Basic System Figure 2 1 below shows a basic sample system dwg 4732 164 that has been designed for use with the XMO2 transmitter XMO2 TRANSMITTER 2700 2523 685 8 641 3 SAMPLE INLET Es amp B O ZERO GAS INLET d e SPAN GAS INLET
74. are returned to the Enter Point prompt on page 6 15 If you selected Numeric Entry and N If you selected Numeric Entry at the Calibrate Mode prompt and N at the Enter Point prompt the Interpolate Point prompt is used to have the XMO2 perform a linear interpolation to determine the corresponding mV value for the current 02 and pressure values Note The XMO2 linear interpolation capability is useful when a data curve is missing one or more of its data points X XX O2 xxx x mmHg Press Y or Enter to begin the Interpolate Point interpolation or press N to return to the Enter Point prompt After the XMO2 performs the linear interpolation you are returned to the Enter Point prompt on page 6 15 6 16 General Programming September 2007 PRESSURE GRID Option cont If you selected Introduce Gases and Y If you selected Introduce Gases at the Calibrate Mode prompt and Y at the Enter Point prompt you may begin calibrating the XMO2 at the current 902 and pressure values by introducing a gas with the appropriate oxygen concentration and pressure Introduce x xx 02 xxx x mmHg Initiate the calibration gas flow Press YES when reagy then press Y or Enter Press YES when settled When the displayed mV and xxx x O2 mV xxx x mmHg pressure values stabilize press Y or Enter The XMO2 displays working as it records the calibration data and then returns you to the Enter Point prompt o
75. ated at the factory for the compensation signal specified at the time of purchase The following standard compensation signals are provided Background Gas Compensation the standard factory calibration uses N and CO as the background gases Pressure Compensation the standard factory calibration is for atmospheric pressure 700 800 mm of Hg Note Compensation signals are available for special background gases and or special pressure ranges For availability pricing and delivery please consult the factory IMPORTANT ATEX compliance with EN 50104 requires both Fast Response calibration of the XMO2 transmitter Pressure Compensation of the XMO2 or constant control of the sample system pressure Field Calibration 4 1 September 2007 Enhancing the Factory Calibration When your XMO2 transmitter was calibrated at the factory the actual factory calibration data points were entered into the XMO2 software If requested on the original order calibration data points for expected field background gas composition and or measurement cell pressure variations may also have been entered To supplement this factory calibration data calibration data points generated in the field for these parameters can be added into the XMO2 software Refer to Chapter 6 General Programming for complete instructions The factory calibration can be further enhanced by performing periodic recalibrations in the field The XMO2 then uses the ne
76. c Entry 1 pt introduce Gases Intro xxx 02 ioo x mmHg xx 9602 xxx mmHg Press YES when ready Interpolate Point ions General Menu Calibrate System gt Pressure Curve and Pressure Grid Opti n 7 Point in 02 co s YES when settled 9 Introduce xx x mmHg Xx 02 mV xo mmHg e Press YES when ready ES ves ttn Points Entored E lt n Points Entered E PES IL then Curves Entered oxx mmHg mV If n Points Entered f n Points Entered if n Curves Entered Menu Maps C3 September 2007 1 See Figure C 2 E I o J rue See Figure C 6 See Figure C 2 See Figure C 3 x 02 Curve fn x mmHg Enter Point x 02 Curve tin x mmHg Interpolate Point it introduce Gases 1 If Numeric Entry Intro x 02 wik NZ Q mmHg x 02 Curve n x mmHg Press YES when ready O2 mV oo X 02 Curve n x mmHg Bkgd mV 200 Press YES when setlled x 02 mV x Bkgd mV x mmHg If lt n Points Entered ifn Points Entered 1 See Figure C 3 See Figure C 2 Point n 02 oo If n Points Entered ifn Points Entered If lt n Curves Entered If n Curves Entered 1 F See Figure C 5 BKGD COMP ON PRESSURE COMP ON lf n Grids Entered Grid n mmHg Poo If n Grids Entered if n Grids Entered If n Grids Entered Curves n Curve n N2 oc If n Curves Entered CALIBRATE SYSTEM MENU
77. cept the current value press mmHg xxx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Curve n prompt repeats until the total number of curves specified at the Curves prompt have been programmed After all the curves have been entered the Points prompt lets you specify the total number of data points to be entered for each curve 6 14 General Programming September 2007 PRESSURE GRID Option cont CALIBRATE GRID To accept the current value press Points x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Point n prompt lets you enter the oxygen for one of the data points on the calibration curves Note The gas type displayed in the next prompt is specified in the Select Gas Type option of the Advanced Menu The choices are O2 used as an example in this manual H2 N2 SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details Point n To accept the current value press 02 x xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Point n prompt repeats until the 02 values for the total number of points specified at the Points prompt have been entered After all of the O2 values have been entered the Enter Point prompt appears x xx 02 Curve sin
78. cont Gas Value Exp Filter You have now completed the Sei Window Threshold programming of this submenu You may now do one of the following Press N as many times as necessary to select another Gas Value Exp Filter menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Gas Value Exp Filter menu then press Y to return to the Calibrate System menu The Set Smooth Threshold option The smooth threshold which is calculated from the oxygen span of the calibration data is the threshold for turning data averaging smoothing on or off If the current exponentially calculated oxygen value is within the threshold value of the previous exponentially calculated oxygen value the average of the two values is stored and displayed To set this parameter proceed as follows Gas Value Exp Filter Press N until this prompt Set Smooth Threshold appears then press Y or Enter Smooth Threshold Value To accept the current value press x x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Gas Value Exp Filter You have now completed the Set Smooth Threshold programming of this submenu You may now do one of the following Press N as many times as necessary to select another Gas Value Exp Filter menu option Then press Y and proceed to the appropriat
79. ct Number of Gases prompt At the following prompt specify the number of gases to be used for the DriftCal calibration Select number of gases Press N to select the desired one TWO response Then press Y or Enter confirm your choice Depending on the choice made above proceed to the appropriate section to continue the programming General Programming September 2007 DriftCal Enabled and One Gas Selected The Set Offset Gas option At the following prompt specify the oxygen of the offset gas to be used for the DriftCal calibration see the Calibration Sheet supplied with your unit for recommendations Note Typically the XMO2 is factory programmed for one gas calibration using air 20 93 O5 as the offset gas DRIFTCAL MENU Press Y or Enter to specify an Set Offset Gas Offset gas or press N to proceed to the next menu option At the Offset Gas prompt enter the 02 for the intended offset gas Note The gas type in the next prompt is set in the Select Gas Type option of the Advanced Menu The choices are 02 used as an example in this manual H2 N2 SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details Offset Gas To accept the current value press 02 xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice At the Offset Gas ON for prompt set the time interval for which the XMO 2 waits bef
80. d see your Calibration Sheet for the expected O2 mV readings at each calibration point O2 Input When ready press any key to xx x O2 mV return to the Test Inputs menu This completes the prompts for the O2 Input option and the XMO2 returns to the Test Inputs menu General Programming 6 37 September 2007 COMP INPUT Option PRESSURE INPUT Option The Comp Input option lets you monitor the background gas compensation input signal The acceptable range for this signal is 0 mV to 500 mV TEST INPUTS Press Y or Enter to view the Comp input or press N to move Comp Input to the next Test Inputs option The current background gas Comp Input signal is displayed if the displayed value is very different from that on the Calibration Sheet contact the factory for assistance Comp Input When ready press any key to xxx x Bkgd mV return to the Test Inputs menu This completes the prompts for the Comp Input option and the XMO2 returns to the Test Inputs menu The Pressure Input option lets you monitor the pressure sensor input compensation signal The acceptable range for this signal is 512 mV to 512 mV TEST INPUTS Press Y or Enter to view the Pressure Input Pressure input or press N to move to the next Test Inputs option The current Pressure Input signal from the optional pressure sensor is displayed Pressure Input When ready press any key to xx x mmHg mV return to the Test
81. d out by the manufacturer or by an approved repairer The product must not be subjected to mechanical or thermal stresses in excess of those permitted in the certification documentation and the instruction manual The product contains no exposed parts which produce surface temperature infrared electromagnetic ionizing or non electrical dangers CE a CERT ATEX D Rev August 2004
82. d when an error occurs during an offset gas one gas calibration ENABLE DISABLE ERRORS Press N to skip this error or DriftCal Offset Error press Y or Enter to set it DriftCal Offset Error response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next DriftCal Offset Error oe The DriftCal Zero Error is generated when an error occurs during ENABLE DISABLE ERRORS Press N to skip this error or DriftCal Zero Error press Y or Enter to set it N e o ga 5 2 AI et o ga 72 Y e e o a o B DriftCal Zero Error response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next DriftCal Zero Error SHOE 7 22 Advanced Programming September 2007 es AAA TERMINAL Option cont The DriftCal Span Error is generated when an error occurs during a span gas two gas calibration ENABLE DISABLE ERRORS Press N to skip this error or DriftCal Span Error press Y or Enter to set it DriftCal Span Error response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to
83. dealing or usage or trade If a GE Sensing Inc instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE will issue a RETURN AUTHORIZATION number RA and shipping instructions for the return of the instrument to a service center will be provided 2 If GE instructs you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions 3 Upon receipt GE will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken If the damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned f GE determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned lii September 2007 FA Table of Contents Chapter 1 Features and Capabilities ME 1 1 Basic Features SG SG AE 1 1 Merset AAA A TM 1 3 System COMPONENTS usuniete ea 1 6 The XMO2 Transmitter eee de dee e al es et 1 6 The Sample
84. e DB25 male or DB25 female Lengths up to 4 000 ft 1 200 m Operating Temperature Standard 45 C 113 F Optional 60 C or 70 C 140 F or 158 F Ambient Temperature Range Standard 45 C unit 20 to 40 C 4 to 104 F Optional 60 C unit 5 to 55 C 23 to 131 F Optional 70 C unit 5 to 65 C 41 to 149 F Sample Gas Pressure Range 20 psig maximum 8 2 Specifications and Factory Data September 2007 Physical Specifications Optional Accessories Wetted Sensor Materials Standard 316 SS glass w Viton M o rings Optional Hastelloy Monel or Titanium w Chemraz o rings Dimensions height x diameter Weatherproof unit 9 53 x 5 71 in 242 x 145 mm Explosion proof unit 10 47 x 5 71 in 266 x 145 mm Weight 9 5 1b 4 3 kg Connections Electrical 3 4 in NPTF conduit and 6 terminal removable connector Process 1 4 in NPTF inlet and outlet Environmental Weatherproof NEMA TYPE 4X IP66 Explosion proof Class I Div 1 Groups A B C D FM File No J I 274A8 AE 3615 CSA LR44204 15 CENELEC Flameproof II 2 GD EEx d IIC T6 or T5 ISSePO2ATEX022 Ex d II C T6 IP66 Class I Zone 1 SAA AUS Ex 3139X CE EMC Direct 89 336 EEC PED 97 23 EC Lloyd s Registry approval GE Sensing offers a complete line of optional accessories for use with the XMO2 transmitter These include PS5R C24 24 VDC power supply X4 4 conductor cable for power input and analog output connections
85. e XMO2 provides continuous monitoring of the O content with maintenance free operation it is now the system of choice A 2 Two Typical Applications September 2007 Reactor Feed Gases in Formaldehyde Production The Problem Equipment Used The XMO2 transmitter and its associated sample system is often used to measure the concentration of oxygen O in an air methanol CH4OH vapor mixture that is commonly used as a reactor feed gas in the production of formaldehyde In order to maximize the yield of the reaction while maintaining the O concentration at a safe level the air CH3OH vapor mixture must be continuously monitored and accurately controlled A typical instrumentation package for this application includes an XMO2 transmitter configured for a range of 0 21 O in N or CO and operating conditions of a controlled temperature and atmospheric pressure The XMO2 is mounted in a sample system similar to the one shown in Figure A 2 below dwg 731 185 VM ae es ee 3 1 Figure A 2 Formaldehyde Feed Gas Sample System Two Typical Applications A 3 September 2007 Equipment Used cont Basic Operating Procedure Previous Systems The sample system in Figure A 2 on page A 3 consists of e inlet outlet and calibration needle valves afilter coalescer assembly pressure gauges flowmeters All components are mounted on a painted steel plate in an enclosure that
86. e 8 6 for a sample calibration sheet Note The gas type displayed in the next prompt is specified in the Select Gas Type option of the Advanced Menu The choices are O2 used as an example in this manual H2 N2 SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details Enter Gas Curve To accept the current value press 02 x xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The next prompt to appear depends on whether you selected Numeric Entry or Introduce Gases at the Calibrate Mode prompt on page 6 5 Proceed to the appropriate section on the next page to continue the programming sequence General Programming September 2007 ee GAS CURVE Option cont If you selected Numeric Entry as the Calibrate Mode At the O2 mV prompt enter the listed oxygen signal mV value corresponding to the 02 value entered at the previous prompt Obtain this data from your Calibration Sheet see page 8 6 for a sample calibration sheet Enter Gas Curve To accept the current value press O2 mV xxx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The 02 and 02 mV prompts repeat until the total number of data points specified at the Points prompt have been entered This completes the programming of the Gas Curve option and the XMO2 returns to the Calibrate System m
87. e XMO2 is interrupted This chapter provides information on programming the Advanced Menu The following specific topics are discussed entering the Advanced Menu Advanced Menu options programming each of the individual menu options Note For detailed instructions on Establishing the RS232 Communications Link Programming Keystrokes and Menu Navigation see pages 5 2 and 5 3 Advanced Programming 7 1 September 2007 Entering the Advanced Menu Advanced Menu Options To switch the XMO2 from Operate Mode to Programming Mode proceed as follows MEME Note fthe XMO2 is set up for Easy Menu Entry pressing Shift 3 switches the XMO2 directly to Programming Mode and enters the Advanced Menu See the instructions later in this chapter to set up Easy Menu Entry Enter Code Press the 9 5 and 1 keys slowly and firmly in sequence Note An is displayed after each digit is entered If you enter an incorrect code press a non numeric key or press the keys too quickly the XMO2 will return to Operate Mode ADVANCED MENU You now have access to the Setup Advanced Menu The Advanced Menu consists of the following six menu options Setup You may specify the gas type background gas display and type pressure measurement type and the Easy Menu Entry status via this menu option Calibrate System The advanced calibration and operational parameters for the XMO2 may be set via this menu option Ca
88. e for at least 3 5 minutes Then to reset the bridge calibration to 0 00 proceed as follows Adjust Zero Press N until this prompt AutoZero Bridge appears then press Y or Enter This prompt is displayed until the Working bridge is zeroed Adjust Zero You have now completed the AutoZero Bridge programming of this submenu You may now do one of the following Press N as many times as necessary to select another O2 Input menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the O2 Input menu then press Y to return to the Calibrate System main menu 7 10 Advanced Programming September 2007 02 INPUT Option cont The Done option The Done option returns the XMO2 to the Calibrate System menu from the 02 Input submenu To use this option refer to the menu map in Figure C 8 on page C 8 and press N until the following prompt appears Adjust Zero Respond as indicated below Done You may now do one of the following Press N as many times as necessary to select another desired 02 Input option Then press Y and proceed to the appropriate section for instructions Press Y to leave the 02 Input submenu and return to the top level of the Calibrate System menu COMP INPUT Option The Comp Input option is used to specify a shutoff value in mV for the background gas compensation signal the factory
89. e section of this chapter for instructions Press N until you reach the Done option of the Gas Value Exp Filter menu then press Y to return to the Calibrate System menu Advanced Programming 7 15 September 2007 GAS VALUE EXP FILTER Option cont GAS mV EXP FILTER Option The Done option The Done option returns the XMO2 to the Calibrate System menu from the Gas Value Exp Filter submenu To use this option refer to the menu map in Figure C 8 on page C 8 and press N until the following prompt appears Gas Value Exp Filter Respond as indicated below Done You may now do one of the following Press N as many times as necessary to select another desired Gas Value Exp Filter option Then press Y and proceed to the appropriate section for instructions Press Y to leave the Gas Value Exp Filter submenu and return to the top level of the Calibrate System menu The Gas mV Exp Filter option is used to specify the five parameters associated with the XMO2 s fast response algorithm for the main gas when background gas compensation is enabled To use this option refer to the menu map in Figure C 8 on page C 8 and proceed as follows IMPORTANT The fast response parameters are set up at the factory and should not need to be changed If you are having problems with the fast response option consult the factory before making any changes Note This menu option appears only if Response Type is Fast and
90. em Mode 6 4 7 7 Reset DriftCal 6 33 Calibration Select Number of Gases 6 24 Analog Output Options 3 3 Set Max Drift Cal 7 18 Data Sheets sug ple se ebrei 8 6 Set Max Total Drift 7 18 Enhanc na s 2a d obser EORR rach Ros Vd 4 2 Set Offset rn ue ES 6 25 Factory Range o oooococococcocoo o oo 4 1 Set Span Gas 00000000 6 29 Frequency os s sere e eres o el se 4 2 Set Zero Gas Livio sar v E a 6 28 Gas be artes ore dtr ed 4 3 View Drift CUIVe o ooooooooo o 6 32 Offset 4 5 View Offset osse Ee 6 27 OE TR 4 5 Pushbutton 3 3 4 5 E Required Materials 4 3 RS232 Port Initial een 3 6 Easy MenuEntry 0 7 5 RS232 Port One Gas sss 4 6 EMC Compliance 2 0004 2 4 RS232 Port Two Gas lisse 4 8 Enhancing Factory Calibration 4 2 Span Gas Pushbutton 4 8 Erase RAM Menu ooccococmmmm2m os 7 29 Span Gas RS232 o oooo oooooo o 4 9 Switches sellis esee 3 4 4 4 Two Gas Pushbutton 4 7 Two Gas RS232 0 o ooooooo o o 4 8 Zero Gas Pushbutton 4 7 Zero Gas RS232 dan dee 4 8 Calibration Data Sheet 8 6 CE Mark Compliance 2 4 Changing the Analog Output Range 3 8 2 Index September 2007 Index cont F Factory
91. ember 2007 DriftCal Enabled and Two Gases Selected cont The Perform ZeroCal option This option performs a zero gas calibration of the XMO2 using the zero gas and time interval specified in the Set Zero Gas option IMPORTANT Be sure the XMO2 is connected to the correct zero gas at the correct flow rate prior to using the Perform ZeroCal option Refer to Chapter 4 Field Calibration for details DRIFTCAL MENU Press Y or Enter to perform a Perform ZeroCal ZeroCal or press N to proceed to the next menu option If Y was pressed above the XMO2 begins taking zero gas readings Approximately every 2 5 sec it displays the oxygen and the time remaining for the calibration Zero Gas ON M SS XX Xx 02 After the specified calibration time has expired the XMO2 records the calibration data and displays the new calibration DriftCal in Progress Measuring Zero x xx 02 Note Ifthe XMO2 does not reach equilibrium before the calibration time expires the calibration is rejected and the error message Zero Gas Calibration Error Check Cal Gases is displayed To correct the error erase the DriftCal data in the Reset DriftCal menu see page 6 33 This completes the prompts for the Perform ZeroCal option and the XMOJ2 returns to the Two Gas DriftCal menu 6 30 General Programming September 2007 se DriftCal Enabled and Two The Perform SpanCal option Gases Selected cont This option performs a span
92. ent Resolution 0 01 mA Stability Zero 1 0 of span per month 2 for 0 1 O range Span 0 4 of span per month 0 8 for 0 1 O range Response Time Fast Response enabled lt 3 seconds for 63 of step change Damped Response enabled 40 seconds for 63 of step change Measurement Ranges typical 0 to 1 0 to 2596 0 to 2 0 to 50 0 to 596 e O to 100 0 to 1096 80 to 100 0 to 2196 90 to 100 Pressure compensation required Controlled Sensor Temperature Standard 45 C 113 F Optional 60 C or 70 C 140 F or 158 F Atmospheric Pressure Effect Standard 0 2 of span per mm of Hg Optional pressure compensation Required Sample Gas Flow Rate Range 0 1 2 0 SCFH 50 1 000 cc min Nominal 1 0 SCFH 500 cc min Sample Gas Flow Rate Effect lt 1 of span with weatherproof enclosure background gas compensation and 0 1 2 0 SCFH 50 1 000 cc min flow rate Warmup Time 30 minutes Specifications and Factory Data 8 1 September 2007 Functional Specifications Analog Output 4 20 mA 800 Q max load isolated field programmable Digital Output RS232 3 conductor Power Input 24 0 4 0 VDC 01 2 A maximum Cable Power Input and Analog Output Standard 10 ft 3 m 4 conductor shielded P N X4 10 Optional lengths to 450 ft 137 m available Cable Digital Output 6 ft 2 m 3 conductor shielded P N 704 667 668 669 or 670 Connector DB9 male DB9 femal
93. ent value use the numeric keys to enter a new value and press Y or Enter twice After responding to the above prompt you are returned to the Enter Point prompt on page 6 9 If you selected Numeric Entry and N If you selected Numeric Entry at the Calibrate Mode prompt and N at the Enter Point prompt the Interpolate Point prompt is used to have the XMO2 perform a linear interpolation to determine the corresponding mV value for the current 02 point Note The XMO2 linear interpolation capability is useful when a data curve is missing one or more of its data points X XX 02 Curve fn Press Y or Enter to begin the Interpolate Point interpolation or press N to return to the Enter Point prompt After the XMO2 performs the linear interpolation you are returned to the Enter Point prompt on page 6 9 6 10 General Programming September 2007 se BACKGROUND GRID If you selected Introduce Gases and Y Option cont If you selected Introduce Gases at the Calibrate Mode prompt and Y at the Enter Point prompt you may begin calibrating the XMO2 at the current 02 point by introducing a gas with the appropriate oxygen background gas composition Introduce x xx 02 Curve n Initiate the calibration gas flow Press YES when ready then press Y or Enter Press YES when settled When the displayed mV values 3xxx 02 MV xxx x Bkgd mV stabilize press Y or Enter The XMO2 displays wor
94. enu If you selected Introduce Gases as the Calibrate Mode At the 02 prompt enter the oxygen concentration of the calibration gas that you intend to use Enter Gas Curve To accept the current value press 02 xxx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Introduce x xx 02 Initiate the calibration gas flow Press YES when ready then press Y or Enter Press YES when settled The mV value corresponding to Joc O2 mV the above 02 value is shown When the displayed value stabilizes press Y or Enter The XMO2 displays working as it records the calibration data and then repeats the 02 and Introduce x xx 9602 prompts for the number of points specified at the 7 Points prompt This completes the programming of the Gas Curve option and the XMO2 returns to the Calibrate System menu General Programming 6 7 September 2007 BACKGROUND GRID Option Prior to shipment the XMO2 factory calibration data is programmed into the Background Grid menu If the XMO2 displays erroneous readings verify that the calibration data in the Background Grid menu matches that on your calibration data sheet see page 8 6 for a sample sheet If the data does not match contact the factory IMPORTANT Always consult the factory before proceeding with this option The Background Grid option is used to enter calibration data for an XMO2 that is config
95. ered this sequence is repeated for the next curve After all of the curves specified in the tt Curves prompt have been entered the programming of the current Pressure Grid is completed and you will be returned to the Curves prompt to program the next grid Numeric Entry Y enter tabulated mV value Numeric Entry N XMO2 interpolates mV value Introduce Gases Y use appropriate calibration gas ntroduce Gases N XMO2 interpolates mV value 6 20 General Programming September 2007 ee PRESSURE BACKGROUND Ifyou selected Numeric Entry and V GRID Option cont If you selected Numeric Entry at the Calibrate Mode prompt and Y at the Enter Point prompt the 02 mV prompt lets you enter the corresponding O2 mV value for the current 02 N2 pressure values x xx 9602 Curve n xxx x mmHg To accept the current value press O2 mV xxx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Next the Bkgd mV prompt lets you enter the corresponding Bkgd mV value for the current 02 point x xx 9602 Curve n xxx x mmHg To accept the current value press Bkgd mV xxx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice After responding to the above prompt you are returned to the Enter Point prompt on page 6 20 If you selected Numeric Entry and N If you se
96. ers Startup amp Operation September 2007 20 93 02 Next the XMO2 begins taking A measurements and displays the RS232 Digital Communication Calibration cont current oxygen concentration Allow the XMO2 to warm up for at least 30 minutes to allow the measurement cell operating temperature to stabilize Then proceed with the following steps 1 N Q Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same offset gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the offset gas to flow through the XMO2 for at least five minutes Enter the XMO2 Basic Menu by slowly keying in Shift 1 if the XMO2 is set up for Easy Menu Entry or Enter 1 2 3 Refer to the menu map in Figure C 1 on page C 1 for the options available in this menu Foraone gas offset gas calibration press N repeatedly until the following display appears BASIC MENU Press Y or Enter to perform a Quick Offset Quick Offset calibration Ja un Note that the display now shows the 90 level as calculated using the factory programmed calibration data listed on your XMO2 Calibration Sheet After the automatic Quick Offset calibration is complete the following display appears BASIC MENU Press N repeatedly until the Quick Offset following menu option appears BA
97. es eight possible submenu options of which a total of 4 to 7 can appear at any one time To enter this menu from the Advanced Menu prompt proceed as follows ADVANCED MENU Press N until this prompt Calibrate System appears then press Y or Enter The availability of the various Calibrate System submenu options is determined by the conditions shown in Table 7 1 below Table 7 1 Available Submenu Options Submenu Fast Background Response Compensation System Mode Fast or Damped ON or OFF O2 Input Fast or Damped ON or OFF Comp Input Fast or Damped ON Gas Value Exp Filter Fast Gas mV Exp Filter Fast ON Comp mV Exp Filter Fast ON DriftCal Handler Fast or Damped ON or OFF Done Fast or Damped ON or OFF Note The Response Type and Background Compensation settings are specified in the System Mode submenu see page 7 7 Refer to Figure C 8 on page C 8 and proceed to the appropriate section to program the desired option 7 6 Advanced Programming September 2007 E SYSTEM MODE Option The System Mode option is used to specify the XMO2 s response type pressure background gas signal compensation settings and calibration range To use the System Mode option refer to the menu map in Figure C 8 on page C 8 and complete the following steps Note This menu option always appears CALIBRATE SYSTEM Press N until this prompt System Mode appears then press Y or Enter The first pro
98. es the difference in a Drift Curve Note This option appears only if DriftCal is ON and a two gas calibration has been selected To use the Quick Span option complete the following steps Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same span gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the span gas to flow through the XMO2 for at least three minutes N Perform the span gas calibration press N until the following prompt appears Then proceed as follows BASIC MENU Press Y or Enter to initiate the Quick Span span gas calibration BASIC MENU This screen appears while the DriftCal In Progress calibration is taking place BASIC MENU The span gas calibration has been Quick Span completed You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press N repeatedly until the Resume option appears Then press Y to return to Operate Mode 5 8 Basic Programming September 2007 VIEW DRIFT CURVE Option The View Drift Curve option lets you view the Drift Curve for the XMO2 The drift curve shows the difference in O between the most recent Quick Zero Quick Span calibrations and the original factory calibration data To v
99. et Saas piba 5 6 Bridge Circuit 0 000000 1 5 Bridge Power Input Menu 6 40 Index 1 September 2007 Index cont C Circuit Board 2 0 0 0 eee eee 3 4 Comp Input Menu 6 38 7 11 Cables Comp mV Exp Filter Menu 7 17 Length 32 0 inte dren 1 8 Compensation RS232 Port ss ses sene serves 3820 3 2 6 Background Gas sess 4 1 Signal EE 2 6 Pressure acicate ic Ei 4 1 Specifications 00000 2 6 Calibrate Recorder Menu 6 36 7 20 D Calibrate System Menu Background Grid ooooo oo oo oo oo 6 8 Data Sheet Calibration 8 6 Comp Input ceee secarei saie nirs 7 11 Default Senasa o sev ras rd 8 7 Comp mV Exp Filter 7 17 Display DONG ii 342382 re 6 35 7 20 Available Options o o o ooo oo 2 10 DattCalHandler ios 6 23 7 17 NI ii 2 9 Gas Curve ee ans 6 6 Drawings Outline amp Installation B 0 Gas mV Exp Filter 7 16 DriftCal Handler Menu Gas Value Exp Filter 7 12 DAME test 6 34 7 19 A deter estt 7 9 Enable Disable 6 24 Options 39 8 suse een 6 3 7 6 Options aan nn ines 6 23 7 17 Pressure Curve o ooooococooooo o 6 12 Perform OffSet o oo ooooomoo o 6 26 Pressure Grid o ooo oooooooo ooo 6 14 Perform SpanCal o oo oo 6 31 Pressure Background Grid 6 18 Perform ZeroCal 6 30 Syst
100. et Span Gas option Gases Selected cont At the following prompt specify the oxygen of the span gas to be used for the DriftCal calibration see the Calibration Sheet supplied with your unit for recommendations DRIFTCAL MENU Press Y or Enter to specify a Set Span Gas span or press N to proceed to the next menu option The Span Gas prompt allows the user to enter the oxygen content for the intended span gas Note The gas type displayed in the next prompt is specified in the Select Gas Type option of the Advanced Menu The choices are O2 used as an example in this manual H2 N2 SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details Span Gas To accept the current value press 02 xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Span Gas ON for prompt lets the user set a time interval for which the XMO2 waits before recording the new calibration point GE Sensing recommends a time of 0 00 and calibrating the unit after 1t has reached equilibrium with the specified calibration gas Span Gas ON for To accept the current value press MM SS cxx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice This completes the prompts for the Set Span Gas option and the XMOJ2 returns to the Two Gas DriftCal menu General Programming 6 29 Sept
101. everal times to achieve and accurate calibration Accomplish this as follows If an adjustment was required to either of the settings press Y or Enter to repeat the calibration procedure If no adjustment was required to either setting press N to select another Advanced Menu option or exit the User Program SET ERROR HANDLING The Set Error Handling menu is used to individually enable or Menu disable Terminal and or mA Output error handling for specific error conditions To use the Set Error Handling menu refer to the menu map in Figure C 9 on page C 9 and complete the following steps Note Error handling for the Terminal and or the mA Output may be enabled or disabled in total in the Set Error Handling option of the General Menu see Chapter 6 General Programming ADVANCED MENU Press N until this prompt The Set Error Handling menu includes the following three options e Terminal mA Output e Done Proceed to the appropriate section for programming instructions Advanced Programming 7 21 September 2007 a TERMINAL Option The Terminal submenu is used to individually enable or disable error handling for fifteen different terminal error conditions To program this menu see Figure C 9 on page C 9 and proceed as follows The DriftCal Offset Error is generate
102. for at least three minutes 2 Perform the zero gas calibration as follows BASIC MENU Press Y or Enter to initiate the Quick Zero Zero gas calibration BASIC MENU This screen appears while the DriftCal In Progress calibration is taking place BASIC MENU Press N to go to the next Basic Quick Zero Menu option 4 8 Field Calibration September 2007 ee Two Gas RS232 3 Using the sample system controls stop the flow of sample gas to Communication the XMO2 inlet port and initiate a flow of the same span gas Calibration cont specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the span gas to flow through the XMO2 for at least three minutes 4 Perform the span gas calibration as follows BASIC MENU Press Y or Enter to initiate the Quick Span span gas calibration BASIC MENU This screen appears while the DriftCal In Progress calibration is taking place BASIC MENU Press N to go to the next Basic Quick Span Menu option li 5 Complete the field calibration procedure as follows BASIC MENU Press Y or Enter to see the View Drift Curve calibration results or press N to go to the next Basic Menu option BASIC MENU Press Y or Enter to return to The XMO2 two gas field calibration is now complete and the display shows the corrected O level You may now return the XMO2 to normal operation by using the samp
103. gas solenoid valves for the automatic calibration of the system on a timed basis e flowmeters pressure gauges All components are mounted on a painted steel plate that is usually housed in a heated enclosure Note An optional TMO2D display controller or similar device is required for automatic calibration of the XMO2 The sample system should be located at or near the top of the storage tank so that condensate can drip back into the tank The gas used to purge the tank provides the motive force in the eductor to pull a gas sample from the vapor space above the hydrocarbon liquid into the sample system The sample gas condensed liquids and the inert gas are all returned to the tank making this is a closed loop system The XMO2 is recalibrated periodically using the purge gas to zero the instrument and ambient air 20 93 O to span the instrument The span gas can optionally be vented to atmosphere so that air is not introduced into the storage tank For this application the required calibration gases are Zero Gas N or CO at least 99 95 pure e Span Gas air 20 93 O5 A typical XMO2 Calibration Sheet for this application is shown in Figure 8 1 on page 8 6 Electrolytic cells were once commonly used for this application However such systems required extensive maintenance and frequent manual calibration In addition the cells were easily damaged by condensable liquids requiring frequent cell replacement As th
104. his manual SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details 6 8 General Programming September 2007 BACKGROUND GRID Option cont Curve din To accept the current value press 9 N2 pocx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Curve n prompt repeats until the total number of curves specified at the Curves prompt have been programmed After all the curves have been entered the 4 Points prompt lets you specify the total number of data points to be entered for each curve CALIBRATE GRID To accept the current value press Points x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Point n prompt lets you enter the oxygen for one of the data points on the calibration curves Point n To accept the current value press 02 x xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Point n prompt repeats until the 02 values for the total number of points specified at the Points prompt have been entered After all of the O2 values have been entered the Enter Point prompt appears x xx 02 Curve sin Press Y or Enter to begin programming actual mV values or press N to have the XMO2 interpolate the mV values The next prompt to appear depend
105. iew the Drift Curve at least one Quick Zero Quick Span calibration must have been performed in the field Note This option appears only if DriftCal is ON and a two gas calibration has been selected To use the View Drift Curve option press N until the following prompt appears Then proceed as follows BASIC MENU Press Y or Enter to view the View Drift Curve Drift Curve Zero Drift x xx 02 xx xx 02 When you finish viewing the zero Press YES drift press Y to continue Span Drift x xx 02 xx xx O2 When you finish viewing the Press YES span drift press Y to continue BASIC MENU You have finished viewing the View Drift Curve Drift Curve You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press N repeatedly until the Resume option appears Then press Y to return to Operate Mode Basic Programming 5 9 September 2007 SET LOW INPUT VALUE Option The Set Low Input Value option lets you specify the O value in the gas that corresponds to a 4 00 mA current at the analog output Note This option appears if DriftCal is ON or OFF and if a one or two gas calibration has been selected To use the Set Low Input Value option proceed as follows 1 Press N until the following prompt appears BASIC MENU Press Y or ENTER to set the mA Output 4 mA Value Go
106. igure C 5 xax 02 Curve n Enter Paint If Numeric Entry If Introduce Gases Introduce x xx 02 Curve in Xx 602 Curve fn Press YES when ready Interpolate Point xx 02 Curve fn 02 mv x ions General Menu Calibrate System gt System Mode Gas Curve and Background Grid Opti Introduce xxx 02 Point in 02 pox Press YES when setted Press YES when ready x 02 MV wx Bkgd mV D o Calibration Mode PU lt n Points Entered itn Points Entered E Introduce Gases 5 o Press YES when setted 1 lt n Curves Entered x 02 mV itn Points Entered f n Points Entered lit Curves Entered Menu Maps C2 September 2007 t See Figure C 2 CALIBRATE SYSTEM GAS CURVE See Figure C 2 lf n Points Entered f n Points Entered GENERAL MENU CALIBRATE RECORDER TEST INPUTS TEST RECORDER Ha ENTER CODE 1 See Figure C 6 OPERATE MODE SET ERROR HANDLING RESUME I Em mies LALA d See Figure C 6 pm I BKGD COMP ONorOFF PRESSURE COMP OFF L E BKGD COMP OFF PRESSURE COMP ON mmHg poor It Numeric Entry a i Introduce Gases Curve mmHg oocx ves tt lt n Curves Entered if n Curves Entered Points n See Figure C 2 t XxX 9602 w x mmHg 02 mV ped CALIBRATE SYSTEM MENU See Figure C 4 See Figure C 5 Xx 02 Curve n Enter Point I Numeri
107. ing instructions DRIFTCAL HANDLER The DriftCal Handler option is used to specify the maximum total Option drift and the maximum drift per calibration for the DriftCal Handler algorithm To use the DrifCal Handler option refer to the menu map in Figure C 8 on page C 8 and complete the following steps Note See Chapter 6 General Programming for a variety of other options related to calibration of the XMO2 CALIBRATE SYSTEM Press N until this prompt The DriftCal Handler submenu includes the following options e Set Max Total Drift e Set Max Drift Cal Done Proceed to the appropriate section for programming instructions Advanced Programming 7 17 September 2007 DRIFTCAL HANDLER Option cont The Set Max Total Drift option The Set Max Total Drift option is used to specify the maximum allowable total calibration drift as a percentage of the full scale reading 25 of ES is the default value If a calibration results in a total drift greater than the value specified an error condition occurs To use this option proceed as follows Note Ifthe XMO2 displays a value greater than 25 of F S after reaching equilibrium change the maximum total drift value to 50 before calibrating the unit DRIFTCAL MENU Press N until this prompt Set Max Total Drift appears then press Y or Enter Max Total Drift To accept the current value press F S xx Y or Enter To change the current value use the n
108. ing your program 4 In the terminal communications software specify the Com port to which your XMO2 has been connected 5 For proper communications with the XMO2 the following com port settings must be specified Baud Rate 9600 Data Bits 8 Parity None Stop Bits 1 e Flow Control Xon Xoff 6 Power up the XMO2 and begin the data transfer process The screen should display a GE Sensing software version number followed by O values scrolling down the page at a rate of approximately one per second When the data transfer has been completed you are ready to begin programming the XMO2 5 2 Basic Programming September 2007 Programming Keystrokes When the XMO2 is in Operate Mode it ignores all keystrokes except Menu Navigation the ENTER or Y keys When the ENTER or Y key is pressed the computer terminal displays Enter Code and waits for the user to enter the correct passcode for access to the User Program While the passcode is being entered the XMO2 continues to update the data display alarm status and recorder output If the correct passcode is entered the XMO2 enters Programming Mode in the menu corresponding to the passcode used While the XMO2 is in Programming Mode data collection is suspended and alarm status and recorder outputs are held at their current values While the XMO2 is in Programming Mode the computer terminal keys are divided into the following three groups
109. ions nen 6 2 CALIBRATE SYSTEM Menu soria di ne ER EX a 6 3 CALIBRATE RECORDER Menu oe rra ceases ehh ne 6 36 TEST INPUTS Menu eese So tech ERR REESE a 6 37 TEST RECORDER MENU o coa Ad 6 42 SET ERROR HANDLING Menu cee eee eee eee eens 6 43 RESUME Menu it meh or lo ta se EIA 6 46 September 2007 E Introduction The XMO2 transmitter contains an interactive User Program that allows the user to customize the XMO2 for any application perform calibrations and change operating parameters as necessary Using the built in RS232 digital output the User Program is accessed via a computer terminal With the appropriate passcodes three different menus are available Note A different passcode is required for each of the three menus Basic Menu used to perform a quick calibration General Menu provides error diagnostics and factory calibration data entry Advanced Menu offers problem solving functions to repair any errors diagnosed in the General Menu Data entered into the XMO2 User Program overrides any previously entered data and it is retained in memory for several years even if power to the XMO2 is interrupted This chapter provides information on programming the General Menu The following specific topics are discussed entering the General Menu General Menu options programming each of the individual menu options Note For detailed instructions on Establishing the RS232 Communications
110. k Offset calibration is complete continue as follows BASIC MENU Press N Quick Offset BASIC MENU Press Y or Enter to see the View Offset calibration results or press N to go to the next Basic Menu option BASIC MENU Press Y or Enter to return to Operate Mode Resume The XMO2 Quick Offset field calibration is now complete and the display shows the corrected 0 gt level You may now return the XMO2 to normal operation by using the sample system controls to stop the offset gas flow and restart the flow of sample gas 4 6 Field Calibration September 2007 Two Gas Field Calibration Setup Zero Gas Pushbutton Calibration This simplified field calibration procedure uses two zero and span gases to recalibrate the XMO2 Then the XMO2 compares the data from this field recalibration to the original factory calibration data and stores the difference as a Drift Curve Note If the range of your XMO2 is 0 to 21 O you can use air as the span gas Before proceeding you must be sure that your XMO2 is configured for a two gas calibration The required reprogramming must be done via the RS232 communication link as follows 1 Enter the XMO2 Basic Menu by slowly keying in Shift 1 if the XMO2 is set up for Easy Menu Entry or Enter 1 2 3 2 One of the following initial menu options will appear BASIC MENU Quick Offset or Quick Zero 3 Ifthe Quick Offset option appears above
111. king as it records the calibration data and then returns you to the Enter Point prompt on page 6 9 If you selected Introduce Gases and N If you selected Introduce Gases at the Calibrate Mode prompt and N at the Enter Point prompt the Interpolate Point prompt is used to have the XMO2 perform a linear interpolation to determine the corresponding mV value for the current 02 point Note The XMO2 linear interpolation capability is useful when you do not have a calibration gas with the required oxygen background gas composition for a given point X XX 02 Curve fn Press Y or Enter to begin the Interpolate Point interpolation or press N to return to the Enter Point prompt The XMO2 displays working as it records the calibration data and then returns you to the Enter Point prompt on page 6 9 General Programming 6 11 September 2007 EXIXGIEIICHICUM FII Oo ooo o q gt r ooo x PRESSURE CURVE Option The Pressure Curve option is used to enter pressure calibration data for an XMO2 that has been supplied with an atmospheric pressure sensor To use the Pressure Curve option refer to the menu map in Figure C 3 on page C 3 and complete the following steps Note The Gas Curve option appears only if Pressure Compensation is ON Background Compensation may be either ON or OFF as specified in the System Mode menu see page 6 4 CALIBRATE SYSTEM Press Y or Enter to enter the Pressure Curve Pressure Curve
112. l Calibrate System Pressure Curve amp Pressure Grid oooocooccoococcoccoo C 3 General Calibrate System gt Pressure Background Grid 00 00 cc eee cece e eee eee C 4 General Calibrate System gt DriftCal Handler 0 ccc cece cece tenet en o C 5 General Cal Recorder Test Inputs Recorder Set Error Handling o C 6 Advanced Setup Calibrate Recorder Erase RAM amp Resume 2 cece eee eee C 7 Advanced Calibrate SN eee C 8 Advances Se Error Hd un sea see C 9 Chapter 1 Features and Capabilities INTRODUCTION zs un ein 1 1 Basic Features ris ove as ee ine STE 1 1 Theory Of Operation desi oscar A ea 1 3 System COMPONENTS sida C d aD ee 1 6 September 2007 E Introduction This chapter introduces you to the features and capabilities of the GE Sensing XMO2 Thermoparamagnetic Oxygen Transmitter The following specific topics are discussed e Basic Features a brief discussion of the XMO2 Transmitter s basic features and capabilities Theory of Operation details on the sensor s construction and how the measurements are made System Components a description of the available XMO2 options and the required sample system Note The XMOJ2 technical specifications and ordering information can be found in Chapter 8 Specifications and Factory Data Basic Features The XMO2 Transmitter measures the concentration of oxygen in the 0 100 range in a variety of
113. le system controls to stop the span gas flow and restart the flow of sample gas Field Calibration 4 9 Chapter 5 Basic Programming Introduction eiii ee 5 1 Establishing the RS232 Communication Link 5 2 Programming Keystrokes 2 cece cc cee eect eee e eee eeeee 5 3 Menu NAVIGOON uz uer ee redan 5 3 Entering the Basic Menu ico eee bea e eee YS 5 4 Basic Menu Options ee t ehh ee rrr ne 5 4 September 2007 Introduction The XMO2 transmitter contains an interactive User Program that allows the user to customize the XMO2 for any application perform calibrations and change operating parameters as necessary Using the built in RS232 digital output the User Program is accessed on a computer terminal With appropriate passcodes three different menus are available Note A different passcode is required for each of the three menus Basic Menu used to perform a quick calibration General Menu provides error diagnostics and factory calibration data Advanced Menu offers problem solving functions to repair the errors diagnosed in the General Menu Data entered into the XMO2 User Program by the user overrides any previously entered data and is retained in memory for several years even if power to the XMO2 is interrupted This chapter provides information on programming the Basic Menu The following specific topics are discussed establish the serial communications link progra
114. lected Numeric Entry at the Calibrate Mode prompt and N at the Enter Point prompt the Interpolate Point prompt is used to have the XMO2 perform a linear interpolation to determine the corresponding mV value for the current 02 N2 pressure values Note The XMO2 linear interpolation capability is useful when a data curve is missing one or more of its data points xxx 02 Curve n xxx x mmHg Press Y or Enter to begin the interpolation or press N to return to the Enter Point prompt After the XMO2 performs the linear interpolation you are returned to the Enter Point prompt on page 6 20 General Programming 6 21 September 2007 PRESSURE BACKGROUND GRID Option cont If you selected Introduce Gases and Y If you selected Introduce Gases at the Calibrate Mode prompt and Y at the Enter Point prompt you may begin calibrating the XMO2 at the current 02 N2 pressure point by introducing a gas with the appropriate pressure and oxygen background gas composition Intro x 02 with x N2 mmHg Initiate the calibration gas flow Press YES when ready then press Y or Enter Press YES when settled When the displayed mV and x O2 mV x Bkgd mV x mmHg pressure values stabilize press Y or Enter The XMO2 displays working as it records the calibration data and then returns you to the Enter Point prompt on page 6 20 If you selected Introduce Gases and N If you selected Introduce Gases a
115. librate Recorder The 4 20 mA analog output may be calibrated via this menu option Set Error Handling The manner in which the XMO2 responds to various error conditions is specified in this menu option Erase RAM All user entered data may be purged from the XMOJ2 s memory via this menu option Resume Use this menu option to either return to Operate Mode or remain in the Advanced Menu Refer to Figures C 7 through C 9 in Appendix C Menu Maps and proceed to the appropriate section to program the desired Advanced Menu option Advanced Programming September 2007 E SETUP Menu The Setup menu is used to specify the gas type background gas type pressure measurement type and the Easy Menu Entry status To enter this menu from the Advanced Menu prompt proceed as follows ADVANCED MENU Press N until this prompt The following submenus are included in the Setup menu Set Gas Type Set Background Display Set Pressure Type Set Easy Menu Entry e Done Refer to Figure C 7 on page C 7 for a flow diagram of the Setup menu and proceed to the appropriate section for instructions SET GAS TYPE Option The Set Gas Type option is used to specify the gas to be measured by the XMO2 the default gas is O2 Refer to Figure C 7 on page C 7 and proceed as follows ADVANCED MENU Press N until this prompt Set Gas Type appears then press Y or Enter Select Gas Type Press N to select the desired gas
116. m the desired option 5 4 Basic Programming September 2007 QUICK OFFSET Option The Quick Offset option uses an offset gas of known concentration to recalibrate the XMO2 at a single point The XMO2 compares the data from this calibration to the original factory calibration data and stores the difference in an Offset Curve Note This option appears only if DriftCal is ON and a one gas calibration has been selected To use the Quick Offset option complete the following steps Using the sample system controls stop the flow of sample gas to the XMO2 inlet port and initiate a flow of the same offset gas specified on the XMO2 Calibration Sheet Establish the same flow rate and pressure conditions used for the sample gas and allow the offset gas to flow through the XMO2 for at least three minutes N Perform the offset gas calibration press N until the following prompt appears Then proceed as follows BASIC MENU Press Y or Enter to initiate the Quick Offset offset gas calibration BASIC MENU This screen appears while the Measuring Drift calibration is taking place BASIC MENU The offset gas calibration has Quick Offset been completed You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press N repeatedly until the Resume option appears Then press Y to retur
117. minary steps 1 Make sure that the RS232 digital output of the XMO2 has been connected to a computer or terminal in accordance with the instructions given in Chapter 2 Installation N Loosen the set screw that locks the XMO2 cover in place and unscrew the cover IMPORTANT Remember to replace the cover after the calibration has been completed 3 Turn the computer or terminal on and launch the appropriate interface software to establish communications with the XMO2 To begin the RS232 digital communication calibration power up the XMO2 When power is first applied the XMO2 performs a series of initialization routines Displays similar to those shown below should appear on your computer screen GE Panametrics This is the installed firmware XMO2 STD 001 D version GE Panametrics Next the internal memory is Testing RAM Passed checked After displaying the firmware version and testing RAM this takes about 10 seconds the XMO2 enters Operate Mode The first screen shows the current settings for response type type of compensation and DriftCal status In the above example the current settings for these parameters are damped response background gas compensation and DriftCal enabled Verify that the current settings shown for your XMO2 match those listed on the XMO2 Calibration Sheet supplied by the factory See Chapter 6 General Programming for a more detailed discussion of these and other XMO2 operating paramet
118. mming keystrokes menu navigation entering the Basic Menu Basic Menu options Note Although the next section describes an RS232 connection to a personal computer the XMO2 may be programmed via other GE Sensing devices such as the TMO2D XDP etc If you are using one of these display controllers see its User s Manual for further instructions Basic Programming 5 1 September 2007 Establishing the RS232 Before the XMO2 can be programmed a link between the built in Communication Link RS232 digital output and a computer terminal must be established To accomplish this proceed as follows Note See GE Sensing brochure EIA RS Serial Communications 916 054 for a detailed discussion of the RS232 standard 1 Verify that either Com 1 or Com 2 on the computer is unused IMPORTANT Do not use a virtual Com port such as Com 3 or Com 4 for communicating with the XMO2 2 With both the XMO2 and the computer turned off connect a serial cable from the XMO2 to the PC See Chapter 2 Installation for detailed instructions Caution Never make any connections to a computer while it is powered up Damage to the system may result 3 Power up the PC and launch the terminal communications software that is provided with your computer s operating system Commonly used programs are Terminal HyperTerminal HyperACCESS SmartTerm etc Note See the documentation that came with your computer for instructions on launching and us
119. move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next Bkgd input underrange FOX The Bkgd Input Overrange Error is generated when the background gas compensation signal exceeds the normal range ENABLE DISABLE ERRORS Press N to skip this error or Bkgd input overrange press Y or Enter to set it Bkgd input overrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next Bkgd input overrange SHOE The Pressure Input Underrange Error is generated when the pressure mV signal falls below 512 mV ENABLE DISABLE ERRORS Press N to skip this error or Pressure input underrange press Y or Enter to set it Pressure input underrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next Pressure input underrange SITOR 7 24 Advanced Programming September 2007 E TERMINAL Option cont e The Pressure Input Overrange Error is generated when the pressure mV signal exceeds 512 mV ENABLE DISABLE ERRORS Press N to skip this error or Pressure input overrange press Y or Enter to set it Pressure input overrange response Press N to select the desired disable ENABLE option then
120. mpt allows you to set the response type to either damped or fast Damped is the normal response while fast response is a software enhancement for faster performance under certain conditions The factory default setting for this parameter is damped IMPORTANT The response type has been factory preset for your application requirements If considering a response type change always consult the factory first Response Type Press N to select the desired fast DAMPED option then press Y or Enter to confirm your selection and move to the next prompt The next prompt enables the XMO2 to provide pressure compensation of the oxygen signal The XMO2 uses calibration data entered for pressure compensation along with data stored in the drift curve to compensate the oxygen signal Note Pressure compensation can be used only if the XMO2 is provided with an optional atmospheric pressure transducer Pressure Comp Press N to select the desired on OFF option then press Y or Enter to confirm your selection The next prompt enables the XMO2 to provide background gas compensation of the oxygen signal The XMO2 uses calibration data entered for background gas compensation along with data stored in the drift curve to compensate the oxygen signal Background Comp Press N to select the desired on OFF option then press Y or Enter to confirm your selection and move to the next prompt Advanced Programming 7 7 September
121. n page 6 15 If you selected Introduce Gases and N If you selected Introduce Gases at the Calibrate Mode prompt and N at the Enter Point prompt the Interpolate Point prompt is used to have the XMO2 perform a linear interpolation to determine the corresponding mV value for the current 02 and pressure values Note The XMO2 linear interpolation capability is useful when you do not have a calibration gas with the required oxygen concentration and pressure for a given point X XX 9602 xxx x mmHg Press Y or Enter to begin the Interpolate Point interpolation or press N to return to the Enter Point prompt The XMO2 displays working as it records the calibration data and then returns you to the Enter Point prompt on page 6 15 General Programming September 2007 PRESSURE BACKGROUND The Pressure Background Grid option is used to enter calibration GRID Option data for an XMO2 that is configured with both background gas and pressure compensation Data is entered as a series of grids each of which represents a particular pressure The data for each grid is entered as a series of calibration curves each of which represents a particular background gas the data for your curves is supplied on an XMO2 calibration sheet similar to the one shown on page 8 6 To use the Pressure Background Grid option refer to the menu map in Figure C 4 on page C 4 and complete the following steps Note The Pressure Background Grid
122. n the power on and allow at least 30 minutes for the XMO2 to reach temperature stability 2 Loosen the set screw that locks the XMO2 cover in place and unscrew the cover IMPORTANT Remember to replace the cover after the field calibration has been completed 3 Refer to Figure 4 2 on page 4 4 and locate the following items calibration pushbutton Switch S3 zero span selector Switch S1 terminal block TB1 Note Jf you plan to perform the field calibration at a computer terminal via the XMO2 s RS232 digital output you do not need to access the above items Skip Steps 1 2 above Field Calibration 4 3 September 2007 Preparing for Field Calibration cont Set Screw Y _ Circuit Board ASSISI gt Figure 4 1 XMO2 Cover Set Screw and PCB Note The XMO2 s digital printed circuit board PCB 4703 1139 is located directly below the cover see Figure 4 1 above Switch S1 Switch S3 Figure 4 2 PCB 4703 1139 Calibration Switches Caution Switch S2 jumper P6 potentiometer R24 and potentiometer R25 are also located on the XMO circuit boards However these items are not used for normal field calibration Never touch these items unless specifically instructed to do so by GE 4 4 Field Calibration September 2007 One Gas Field Calibration Pushbutton Method This simplified field calibration procedure uses a single offset gas to recalibrate the XMO2 Then the XMO2 compares
123. n to Operate Mode Basic Programming 5 5 September 2007 A _ _ _ a o ooo ooo oo opqQqr OO 7 VIEW OFFSET Option The View Offset option lets you view the Offset Curve for the XMO2 The offset curve shows the difference in O between the most recent Quick Offset calibration and the original factory calibration data To view the Offset Curve at least one Quick Offset calibration must have been performed in the field Note This option appears only if DriftCal is ON and a one gas calibration has been selected To use the View Offset option press N until the following prompt appears Then proceed as follows BASIC MENU Press Y or Enter to view the View Offset Offset Curve Drift x xx 9602 9 xx xx 9602 When you finish viewing the Press YES drift press Y to continue BASIC MENU You have finished viewing the View Offset Offset Curve You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press N repeatedly until the Resume option appears Then press Y to return to Operate Mode 5 6 Basic Programming September 2007 E QUICK ZERO Option The Quick Zero option uses a zero gas of known concentration to perform a quick field recalibration the XMO2 The XMO2 compares the data from the new field calibration to the original factory calibration data
124. n to Operate Mode or return to the Calibrate System menu option Refer to Figures C 2 through C 6 in Appendix C Menu Maps and proceed to the appropriate section to program the desired General Menu option General Programming September 2007 CALIBRATE SYSTEM Menu The Calibrate System menu is used to store the calibration data and or to set the desired oxygen signal compensation parameters It includes eight possible submenu options of which a total of 4 or 5 can appear at any one time To enter this menu from the General Menu prompt proceed as follows GENERAL MENU Press N until this prompt Calibrate System appears then press Y or Enter The availability of the various Calibrate System submenu options is determined by the conditions shown in Table 6 1 below Table 6 1 Available Submenu Options Submenu Background Pressure Compensation Compensation System Mode ON or OFF ON or OFF Gas Curve OFF OFF Pressure Curve ON or OFF ON Pressure Grid OFF ON Background Grid ON OFF Pressure Background Grid ON ON DriftCal Handler ON or OFF ON or OFF Done ON or OFF ON or OFF Note The background and pressure compensation settings are specified in the System Mode submenu see page 6 4 Refer to Figures C 2 through C 5 in Appendix C Menu Maps and proceed to the appropriate section to program the desired option General Programming 6 3 September 2007 SYSTEM MODE Option The S
125. nate it at a nearby earth ground connection 4 If the PCB was removed reinstall it now SSSS lt I lt SSISSSSKSSE Mer SN S IR N Set Screw INS SEN Internal Ground Screw 1 Y i PG 2 External Ground Screw Figure 2 2 Locations of the XMO2 Ground Screws Installation 2 5 September 2007 ees Cable Specifications Table 2 2 below shows the transmitter wiring connections using the standard GE XMO2 4 wire cable P N X4 L where L length in ft This cable can be used for distances up to 450 ft 137 m Table 2 2 GE 4 Wire XMO2 Cable P N X4 L Lead Color AWG Terminal 22 24 VDC Line Red TB1 1 24 VDC Return Black 22 TB1 2 4 20 mA White 22 TB1 3 4 20 mA Green 22 TB1 4 If you are using your own cable to wire the XMO2 refer to Table 2 3 below for cable requirements Table 2 3 Non GE Cable Requirements 00 200 20 7 1 050 320 18 1 700 500 16 2 800 850 14 4 000 1 200 12 Table 2 4 below shows the connections for the GE standard 3 wire RS232 cable P N 704 667 668 669 or 670 L where L length in ft which is available with a DB 9 or a DB 25 connector male or female This cable is available in standard lengths of 6 ft and 12 ft Table 2 4 GE 3 Wire RS232 Cable P N 704 6xx L Terminal See the EIA RS Serial Communications booklet GE document 1916 054 for a more detailed discussion of RS232 wiring
126. ng Press N as many times as necessary to select another Setup menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Setup menu then press Y to return to the top level of the Advanced Menu 7 4 Advanced Programming September 2007 ee SET PRESSURE TYPE The Set Pressure Type option is used to specify the pressure Option compensation measurement units for the XMO2 the default is the generic Pres See Figure C 7 on page C 7 and proceed as follows ADVANCED MENU Press N until this prompt Set Pressure Type appears then press Y or Enter Select Pressure Type Press N to select the desired Pres mmHg PSla kPa units then press Y or Enter to confirm your selection ADVANCED MENU You have now completed the Set Pressure Type programming of this submenu You may now do one of the following Press N as many times as necessary to select another Setup menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Setup menu then press Y to return to the top level of the Advanced Menu SET EASY MENU ENTRY The Set Easy Menu Entry option is used to enable or disable the Option Easy Menu Entry feature To do so refer to Figure C 7 on page C 7 and proceed as follows ADVANCED MENU Press N until this prompt Set Easy Menu E
127. nge Response Enable Set mA Output Error Response Force High Pressure Input Underrange Response Enable Set mA Output Error Response Force High 8 10 Specifications and Factory Data September 2007 E Advanced Menu Defaults Set Error Handling mA Output cont CORGI Pressure Input Overrange Response Enable e Set mA Output Error Response Force High 02 Value Underrange Response Enable e Set mA Output Error Response Force High e 02 Value Overrange Response Enable e Set mA Output Error Response Force High mmHG Value Underrange Response Enable e Set mA Output Error Response Force High e mmHG Value Overrange Response Enable e Set mA Output Error Response Force High Bkgd Value Underrange Response Enable e Set mA Output Error Response Force High Bkgd Value Overrange Response Enable e Set mA Output Error Response Force High Erase RAM WARNING Erase RAM Yes Resume all menu options no default settings Any of the above defaults may be changed in the field by the user Specifications and Factory Data 8 11 Appendix A Two Typical Applications Blanketing Gases in Hydrocarbon Liquid Storage Tanks Reactor Feed Gases in Formaldehyde Production September 2007 Blanketing Gases in Hydrocarbon Liquid Storage Tanks The Problem Equipment Used The XMO2 transmitter and its as
128. ns you may proceed to any other desired programming task or you may return to taking live readings 6 44 General Programming September 2007 ei mA OUTPUT Option cont If Enable was selected If Enable was selected at the mA Output prompt you may program the 4 20 mA analog output of the XMO2 to respond to error conditions in one of the following ways Force High the analog output is locked at 20 mA Force Low the analog output is locked at 4 mA Force to Value the analog output is locked at a specified value Set mA Output Error Response Press N until the desired option Force High Low Value is displayed then press Y or Enter to proceed Based on the selection made above go to the appropriate bullet Ifyou selected Force High or Force Low above you are returned to the mA Output prompt SET ERROR HANDLING Press Y or Enter to re enter the mA Output menu or press N to move to the next Set Error Handling option You may now program other Set Error Handling options you may proceed to any other desired programming task or you may return to taking live readings Ifyou selected Force Value above continue programming here Enter mA Output Error Value To accept the current value press mA xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Note The above value can be set between 0 00 and 25 00 mA 0 00
129. nt CALIBRATE GRID N To accept the current value press Curves x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Note The Curves prompt repeats until all of the grids specified in the Grids prompt have been programmed Then you are returned to the Calibrate System menu The next prompt appears only if the Display Background Gas option is enabled in the Set Background Display branch of the Advanced Menu see Chapter 7 Advanced Programming The Curve n prompt allows you to enter a fixed background gas concentration for one of the curves in the current pressure grid Note The gas type displayed in the Curve n prompt is specified in the Select Gas Type option of the Advanced Menu The choices are Bkgd generic H2 N2 used as an example in this manual SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details Curve n To accept the current value press ND pocx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Curve n prompt repeats until the N2 values for the total number of curves specified at the Z Curves prompt have been entered After all the N2 values have been entered the Points prompt lets you specify the total number of data points to be entered for each curve of the current pressure grid CALIBRATE GRID N To accept the current value
130. nt high input value 100 00 in the above example Then go to Step 4 Use the numeric keys to enter a new high input value 25 00 in the example that follows Then go to Step 3 3 If you entered a new high input value mA Output 20 mA Value Press Y or ENTER to accept the 4 Complete the procedure as follows BASIC MENU The High Input Value has been Set High Input Value set You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press N repeatedly until the Resume option appears Then press Y to return to Operate Mode Basic Programming 5 11 September 2007 ees RESUME Option The Resume option returns the XMO2 to Operate Mode from Programming Mode Note This option appears if DriftCal is ON or OFF and if a one or two gas calibration has been selected To use the Resume option press N until the following prompt appears BASIC MENU Resume You may now do one of the following Press N as many times as necessary to select another Basic Menu option Then press Y and proceed to the appropriate section for instructions Press Y to leave the Basic Menu and return to Operate Mode 5 12 Basic Programming Chapter 6 General Programming Introduction sun ea 6 1 Entering the General Menu aaaannnannnunnnnnnnnnnnunuuuuuee 6 2 General Men Opt
131. ntil this prompt Set Exp Threshold appears then press Y or Enter Exp Threshold Value To accept the current value press xxx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Gas Value Exp Filter You have now completed the Set Exp Threshold programming of this submenu You may now do one of the following Press N as many times as necessary to select another Gas Value Exp Filter menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Gas Value Exp Filter menu then press Y to return to the Calibrate System menu The Set Window Threshold option The window threshold which is calculated from the oxygen span of the calibration data is the threshold for the dynamic dt delta time value A dynamic dt value allows the fast response algorithm to be both fast dt 1 and stable dt 10 as required To set this parameter proceed as follows Gas Value Exp Filter Press N until this prompt Set Window Threshold appears then press Y or Enter Window Threshold Value To accept the current value press xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Advanced Programming September 2007 E GAS VALUE EXP FILTER The Set Window Threshold option cont Option
132. ntry appears then press Y or Enter Select Easy menu Entry Press N to select the desired ENABLE disable option then press Y or Enter to confirm your selection ADVANCED MENU You have now completed the Set Pressure Type programming of this submenu You may now do one of the following Press N as many times as necessary to select another Setup menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Setup menu then press Y to return to the top level of the Advanced Menu Advanced Programming 7 5 September 2007 ee DONE Option The Done option returns the XMO2 to the Advanced Menu from the Setup submenu To use this option refer to the menu map in Figure C 7 on page C 7 and press N until the following prompt appears ADVANCED MENU Respond as indicated below Done You may now do one of the following Press N as many times as necessary to select another desired Setup option Then press Y and proceed to the appropriate section for instructions Press Y to leave the Setup submenu and return to the top level of the Advanced Menu CALIBRATE SYSTEM Menu The Calibrate System menu is used to enter advanced calibration and operational parameters to specify the zero value for the XMO2 measurement bridge and to set exponential filtering parameters for use with the fast response option It includ
133. ogram 222220 5 1 6 1 7 1 V View Drift Curve Menu 5 9 6 32 View Offset Menu 5 6 6 27 W Wiring Display seta Aone ee 2 9 Power Supply ooocococccon oo 2 9 Signal Connections ooo ooooo o o 2 8 Terminal Block TBl 2 7 Index 5 GE DECLARATION Sensing OF CONFORMITY We Panametrics Limited Shannon Industrial Estate Shannon County Clare Ireland declare under our sole responsibility that the XMO2 Oxygen Transmitter XMTC Thermal Conductivity Analyzer TMO2 TC Thermal Conductivity Analyzer TMO2 Oxygen Transmitter to which this declaration relates are in conformity with the following standards e EN 50014 1997 A1 A2 1999 EN 50018 2000 EN50281 1 1 1998 e 2 GD EExd IIC T5 ISSePO2ATEX022 ISSeP B7340 Colfontaine Belgium EN 50104 1998 XMO only EN 61326 1998 Class A Annex A Continuous Unmonitored Operation e EN 60529 1991 A1 2000 IP66 following the provisions of the 89 336 EEC EMC Directive and the 94 9 EC ATEX Directive The units listed above and any ancillary sample handling systems supplied with them do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section 3 sound engineering practices and codes of good workmanship of the Pressure Equipment Directive 97 23 EC for DN 25 Shannon July 1 2003 p ut XA Mr James Gibson GENERAL MANAGER nsal ce e
134. ollowing prompt specify the oxygen of the zero gas to be used for the DriftCal calibration see the Calibration Sheet supplied with your unit for recommendations DRIFTCAL MENU Press Y or Enter to specify a Set Zero Gas zero gas or press N to proceed to the next menu option The Zero Gas prompt allows the user to enter the oxygen content for the intended zero gas Note The gas type displayed in the next prompt is specified in the Select Gas Type option of the Advanced Menu The choices are O2 used as an example in this manual H2 N2 SO2 and CO2 Refer to Chapter 7 Advanced Programming for more details Zero Gas To accept the current value press 02 xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The Zero Gas ON for prompt lets the user set a time interval for which the XMO2 waits before recording the new calibration point GE Sensing recommends a time of 0 00 and calibrating the unit after it has reached equilibrium with the specified calibration gas Zero Gas ON for To accept the current value press MM SS x xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice This completes the prompts for the Set Zero Gas option and the XMO2 returns to the Two Gas DriftCal menu 6 28 General Programming September 2007 se DriftCal Enabled and Two The S
135. on diagram and refer to the System 1 User s Manual 900 019 for details on its operation Note An external 24 VDC power supply such as the PS5R C24 is required to use the XMO2 with the System 1 analyzer 2 10 Installation Chapter 3 Startup Operation Introduction sea en a 3 1 Powering Up the XMO2 Transmitter oooooommommo o 3 1 Establishing a Sample Gas FloW oooooooocccccocoo 3 1 Analog Output Calibration Opti0nS o ooooooooomooo o 3 3 Pushbutton Calibration oooooooooooooommmmrrr o 3 3 RS232 Digital Communication Calibration 3 6 Changing the 4 20 mA Analog Output Range 3 8 September 2007 AAA Introduction This chapter provides instructions for starting up and operating the XMO2 system The following specific topics discussed e powering up the XMO2 transmitter establishing a sample gas flow calibration of the analog output signal If you have not already done so please read Chapter 2 Installation for details on mounting and wiring the XMO2 transmitter the sample system and any other optional equipment Powering Up the XMO2 The XMO2 transmitter does not have a power switch It begins taking Transmitter measurements and generating an analog output signal in the 0 25 mA range as soon as it is connected to a 24 VDC power source To power up the system simply energize the 24 VDC power sup
136. or Enter You may now do one of the following Press N as many times as necessary to select another DriftCal Handler menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the DriftCal Handler menu then press Y to return to the Calibrate System menu The Done option The Done option returns the XMO2 to the Calibrate System menu from the DriftCal Handler submenu To use this option refer to the menu map in Figure C 8 on page C 8 and press N until the following prompt appears DRIFTCAL MENU Respond as indicated below Done You may now do one of the following Press N as many times as necessary to select another desired DriftCal Handler option Then press Y and proceed to the appropriate section for instructions Press Y to leave the DriftCal Handler submenu and return to the top level of the Calibrate System menu Advanced Programming 7 19 September 2007 DONE Option CALIBRATE RECORDER Menu The Done option returns the XMO2 to the Advanced main menu from the Calibrate System submenu To use this option refer to the menu map in Figure C 7 on page C 7 and press N until the following prompt appears CALIBRATE SYSTEM Respond as indicated below Done You may now do one of the following Press N as many times as necessary to select another desired Calibrate System option Then press
137. ore recording the new calibration point GE Sensing recommends a time of 0 00 and calibrating the unit after it has reached equilibrium with the specified calibration gas Offset Gas ON for To accept the current value press MM SS x xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice At the Enter Calibration Span prompt specify the high end of your calibration range see your Calibration Sheet for the span value Enter Calibration Span To accept the current value press 02 xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice This completes the prompts for the Set Offset Gas option and the XMOJ2 returns to the One Gas DriftCal menu General Programming 6 25 September 2007 DriftCal Enabled and One Gas Selected cont The Perform Offset option This option performs an one gas calibration of the XMO2 using the offset gas and time interval specified in the Set Offset Gas option IMPORTANT Be sure the XMO2 is connected to the correct offset gas at the correct flow rate prior to using the Perform Offset option Refer to Chapter 4 Field Calibration for details DRIFTCAL MENU Press Y or Enter to perform an Perform Offset offset calibration or press N to proceed to the next menu option If Y was pressed above the XMO2 begins taking offset gas readings Appr
138. orm Offset no default setting e View Offset Press YES WARNING reset DriftCal Yes Calibrate System Calibrate Recorder mA Output 4 mA Value 0 00 mA Output 20 mA Value 100 00 Calibrate System Test Inputs all menu options no default settings Calibrate System Test Recorder Select Value Type Enter Units Set mA Output to 0 00 mA Output 0 00 9602 Press YES Set Error Handling Terminal e Enable Disable All Terminal Errors Enable Set Error Handling mA Output e Enable Disable All mA Output Errors Enable Set mA Output Error Response Force High Resume all menu options no default settings Any of the above defaults may be changed in the field by the user 8 8 Specifications and Factory Data September 2007 ei Advanced Menu Defaults The default settings for the options in the Advanced Menu are Setup Terminal Select Gas Type 02 Display Background Gas No Select Pressure Type MMHG e Set Easy Menu Entry Enable Calibrate System System Mode Response Type Damped e Pressure Comp Off Background Comp Off e Calibration Range 0 00 100 00 Calibrate System 02 Input e Enter AutoZero Value 400 0 e AutoZero Bridge no default setting Calibrate System DriftCal Handler Max Total Drift 25 F S Max Drift per DriftCal 1096 F S Calibrate System Calib
139. ow 4 mA input value 5 Continue the procedure as follows BASIC MENU Press N to move to the next Set Low Input Value Basic Menu option BASIC MENU Press Y or Enter to set the high 20 mA input value Set High Input Value Note The high input value is the 0 gt in the sample gas that will generate an analog output current of 20 00 mA mA Output 20 mA Value 02 100 00 3 8 Startup amp Operation September 2007 m u Changing the 4 20 mA 6 At the last screen on page 3 8 do one of the following Analog Output Range e Press Y or Enter to accept the current high input value cent Y or p gh inp 100 00 in the above example Then go to Step 8 Use the numeric keys to enter a new high input value 25 00 in the example that follows Then go to Step 7 7 If you entered a new high input value mA Output 4 mA Value Press Y or Enter to accept the 02 100 00 25 00 new high 20 mA input value 8 Complete the procedure as follows BASIC MENU Press N repeatedly until the Set High Input Value following menu option appears BASIC MENU Press Y or Enter to return to Resume Operate Mode The range of the 4 20 mA analog output has now been changed Be sure to revise your XMO2 Calibration Sheet to show the new range For additional information or if programming assistance is required refer to Chapter 5 Basic Programming Startup amp Operation 3 9 Chapter 4
140. oximately every 2 5 sec it displays the oxygen and the time remaining for the calibration Cal Gas ON M SS XX XX 02 After the specified calibration time has expired the XMO2 records the calibration data and displays the new calibration DriftCal in Progress Measuring Drift x xx 02 Note Ifthe XMO2 does not reach equilibrium before the calibration time expires the calibration is rejected and the error message Offset Gas Calibration Error Check Cal Gases is displayed To correct the error erase the DriftCal data in the Reset DriftCal menu see page 6 33 This completes the prompts for the Perform Offset option and the XMOJ2 returns to the One Gas DriftCal menu 6 26 General Programming September 2007 ee DriftCal Enabled and One The View Offset option Gas Selected cont This option lets you view the DriftCal offset curve that resulted from the most recent offset gas calibration DRIFTCAL MENU Press Y or Enter to view the View Offset offset data or press N to proceed to the next menu option If Y was pressed above the XMO2 displays the current O2 drift at the current offset gas oxygen level Drift x xx 9602 9 xx xx 9602 When you are done viewing the This completes the prompts for the View Offset option and the XMO2 returns to the One Gas DriftCal menu General Programming 6 27 September 2007 DriftCal Enabled and Two Gases Selected The Set Zero Gas option At the f
141. ply Because the standard XMO2 measurement cell is controlled at a constant 45 C 113 F operating temperature allow at least 30 minutes for the unit to warm up and reach temperature stability before taking any measurements During this time you can establish a sample gas flow through the system as described in the next section Establishing a Sample Usually the XMO2 transmitter is factory calibrated at a sample gas Gas Flow flow rate of 1 0 SCFH 500 cc min and at atmospheric pressure Unless otherwise specified on your XMO2 calibration sheet optional sample system tagging or optional sample system instructions your X02 should be operated at atmospheric pressure and at the flow rate listed in Table 3 1 below Table 3 1 Recommended Sample Gas Flow Rates XMO2 Type Flow Rate in SCFH cc min Weatherproof 1 0 0 5 500 250 Explosion proof 1 0 0 2 500 100 Pressure compensated 0 5 0 5 250 50 Note For optimum performance operating the XMO2 at conditions other than those used for the factory calibration requires that the unit be recalibrated at the actual field conditions Startup amp Operation 3 1 September 2007 Establishing a Sample Gas Flow cont To establish a flow of sample gas through the system complete the following steps see Figure 2 1 on page 2 2 as an example 1 Set the sample system ball valves to direct only the sample inlet stream to the inlet port of the XMO2 tran
142. press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next Pressure input overrange Pron The 02 Value Underrange Error is generated when the 02 or any other selected main gas value falls below 0 00 ENABLE DISABLE ERRORS Press N to skip this error or 02 value underrange press Y or Enter to set it 02 value underrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next 9602 value underrange SHO The 02 Value Overrange Error is generated when the 02 or any other selected main gas value exceeds 100 00 ENABLE DISABLE ERRORS Press N to skip this error or 02 value overrange press Y or Enter to set it 02 value overrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next 02 value overrange error Advanced Programming 7 25 September 2007 See TERMINAL Option cont The mmHg Value Underrange Error is generated if the pressure reading in the selected units falls below the normal range ENABLE DISABLE ERRORS Press N to skip this error or mmHg value underrange press Y or Enter to set it mmHg value underr
143. ptember 2007 Entering the Basic Menu Basic Menu Options To switch the XMO2 from Operate Mode to Programming Mode proceed as follows MEME Note fthe XMO2 is set up for Easy Menu Entry pressing Shift 1 switches the XMO2 directly to Programming Mode and enters the Basic Menu See Chapter 7 Advanced Programming for instructions on setting up Easy Menu Entry Enter Code Press the 1 2 and 8 keys pex slowly and firmly in sequence Note An is displayed after each digit is entered If you enter an incorrect code press a non numeric key or press the keys too quickly the XMO2 will return to Operate Mode BASIC MENU Menu Option Note The exact Menu Option shown at the above prompt depends on the current settings in the XMO2 program The Basic Menu which is accessed as described on page 5 4 includes eight possible menu options Of the eight possible options a total of 3 5 or 6 can appear at any one time The specific options and when they are available are determined as shown in Table 5 1 below Table 5 1 Available Menu Options DriftCal Status amp Cal Gases Quick ORE ON View Offset Quick Zero ON Quick Span ON View Drift Curve ON Set Low Input Value ON or OFF Set High Input Value ON or OFF Resume ON or OFF Note DriftCal Handler and the Number of Gases are specified in the General Menu see Chapter 6 General Programming Proceed to the appropriate section to progra
144. ption then press Y or Enter to confirm your selection and move to the next prompt If the Enable option was selected above one or both of the following additional prompts appear Otherwise skip over these prompts Set mA Output Error response Press N to select the desired force high force low force to value option then press Y or Enter to confirm your selection and move to the next prompt If the Force to Value option was selected above the following additional prompt appears At that prompt values from 0 00 to 25 00 may be entered A 0 00 value forces a 0 3 mA output signal and a 25 00 value forces a 22 26 mA output signal Enter mA Output Error Value To accept the current value press mA xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice ENABLE DISABLE ERRORS Press N to move on to the next DriftCal Offset Error REDE The above programming sequence is repeated for all other error conditions in this submenu see the Terminal submenu on pages 7 22 to 7 27 for a list and description of all available options As usual press NO to move between the options and press YES or ENTER to program the displayed option When ready you may exit this submenu at the Done option as described in the Terminal submenu on the previous page 7 28 Advanced Programming September 2007 DONE Option ERASE RAM Menu The Done option return
145. r thermistors and the warmer outer thermistors Figure 1 3 on page 1 5 shows how the two thermistor pairs are connected in series in an electronic bridge circuit The bridge circuit becomes unbalanced as the electrical resistance of the thermistors changes with temperature This circuit imbalance causes a voltage drop which is proportional to the oxygen concentration in the gas being measured to appear across the bridge circuit 1 4 Features and Capabilities September 2007 Theory of Operation cont Zero Adjust W1 W2 Wind Generating Cooled Thermistors R1 R2 Wind Receiving Warmed Thermistors Figure 1 3 Thermistor Bridge Circuit As the background gases that comprise the balance of an oxygen containing gas mixture change the magnetic and thermal properties of the gas mixture also change This affects the accuracy and response of any paramagnetic oxygen analyzer To compensate for such variations the XMO2 has a unique bridge within a bridge design The oxygen measuring bridge circuit described on the previous page is itself one arm of another compensation bridge circuit that maintains the oxygen bridge at a constant temperature as background gas composition changes The electrical power change necessary to keep the oxygen bridge at constant temperature is a function of the thermal properties of the background gas Therefore this power fluctuation provides a signal that is related to the thermal conductivity
146. r leads as follows Caution Connecting the 24 VDC red lead to any terminal except TB1 1 will damage the XMO2 a Insert the 4 wire cable 24 VDC red lead into pin TB1 1 and tighten the screw b Insert the 4 wire cable 24 VDC black lead into pin TB 1 2 and tighten the screw 5 Connect the 4 20 mA analog output leads as follows a Insert the 4 wire cable 4 20 mA white lead into pin TB1 3 and tighten the screw b Insert the 4 wire cable 4 20 mA green lead into pin TB 1 4 and tighten the screw 6 Connect the optional RS232 digital output leads as follows a Insert the 3 wire cable RX red lead into pin TB1 6 and tighten the screw b Insert the 3 wire cable TX white lead into pin TB1 5 and tighten the screw c Insert the 3 wire cable GND green lead into pin TB1 2 and tighten the screw 7 Carefully plug the TB1 connector back onto the printed circuit board and reinstall the cover on the XMO2 8 Connect the other ends of the cables to the 24 VDC power supply the 4 20 mA input of the display control device and the serial port of the computer or terminal see the instruction manuals for those devices for details 2 8 Installation September 2007 Ann Connecting to Other This section discusses the interconnection the XMO2 transmitter with Devices other GE devices The following devices are included e PS5R C24 power supply TMO2D display LDP display e XDP display Moist
147. rate Recorder Enter mA Output Zero 4 00 Enter mA Output Span 20 00 Set Error Handling Terminal DriftCal Offset Error Response Enable DriftCal Zero Error Response Enable DriftCal Span Error Response Enable Gas Input Underrange Response Enable Gas Input Overrange Response Enable e Bkgd Input Underrange Response Enable Specifications and Factory Data 8 9 September 2007 Advanced Menu Defaults Set Error Handling Terminal cont cont Bkgd Input Overrange Response Enable Pressure Input Underrange Response Enable Pressure Input Overrange Response Enable 02 Value Underrange Response Enable 02 Value Overrange Response Enable mmHG Value Underrange Response Enable mmHG Value Overrange Response Enable Bkgd Value Underrange Response Enable Bkgd Value Overrange Response Enable Set Error Handling mA Output DriftCal Offset Error Response Enable Set mA Output Error Response Force High DriftCal Zero Error Response Enable Set mA Output Error Response Force High DriftCal Span Error Response Enable Set mA Output Error Response Force High Gas Input Underrange Response Enable Set mA Output Error Response Force High Gas Input Overrange Response Enable Set mA Output Error Response Force High Bkgd Input Underrange Response Enable Set mA Output Error Response Force High Bkgd Input Overra
148. ress Y or Enter to view the View Drift Curve drift curves or press N to proceed to the next menu option If Y was pressed above the XMO2 displays the current O2 drift at the current zero gas oxygen level Drift x xx 9602 9 xx xx 9602 When you are done viewing the The XMO2 now displays the current 902 drift at the current span gas oxygen level Drift x xx 9602 9 xx xx 9602 When you are done viewing the This completes the prompts for the View Offset option and the XMO2 returns to the Two Gas DriftCal menu 6 32 General Programming September 2007 DriftCal Enabled and Two Gases Selected cont The Reset DriftCal option This option is used to correct erratic readings from a faulty calibration by deleting all calibration data stored from previous calibrations Caution This option should only be used to clear a faulty calibration that resulted in the DriftCal Error Check Cal Gases screen error message DRIFTCAL MENU Press Y or Enter to continue or Reset DriftCal press N to proceed to the next menu option At the next prompt selecting Yes will perform the reset while selecting No will abort the process Caution Be absolutely sure that you want to erase all of the stored Drift Curve data before you select and confirm a Yes response below WARNING Reset DriftCal Press N to select the desired YES no response Then press Y or Enter confirm your choice This completes
149. rn to the Calibrate System menu The Set Tau down option The Tau down parameter is the diffusion constant of the background gas into oxygen Its default value is 27 0 but values of 15 0 35 0 are acceptable oscillation increases as the value increases To set this parameter proceed as follows Gas Value Exp Filter Press N until this prompt Set Tau down appears then press Y or Enter Tau down Value To accept the current value press Tau xx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Gas Value Exp Filter You have now completed the Set Tau down programming of this submenu You may now do one of the following Press N as many times as necessary to select another Gas Value Exp Filter menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the Gas Value Exp Filter menu then press Y to return to the Calibrate System menu Advanced Programming 7 13 September 2007 GAS VALUE EXP FILTER Option cont The Set Exp Threshold option The exponential threshold is calculated from the oxygen span of the calibration data If the exponentially calculated oxygen value is within the threshold value of the normally calculated oxygen value fast response is disabled To set this parameter proceed as follows Gas Value Exp Filter Press N u
150. ror or N2 value overrange press Y or Enter to set it N2 value overrange response Press N to select the desired disable ENABLE option then press Y or Enter to confirm your selection and move to the next prompt ENABLE DISABLE ERRORS Press N to move on to the next N2 value overrange enol The Done option returns the XMO2 to the Set Error Handling menu from the Terminal submenu ENABLE DISABLE ERRORS Respond as indicated below Done You may now do one of the following Press N as many times as necessary to select another desired Terminal option Then press Y and proceed to the appropriate section for instructions Press Y to leave the Terminal submenu and return to the top level of the Set Error Handling menu Advanced Programming 7 27 September 2007 EXIXGIURICHICUM o uz o oo oo qo o oom x mA OUTPUT Option The mA Output submenu is used to individually enable or disable error handling for fifteen different 4 20 mA analog output error conditions In addition the type of response to the error may be specified To program this menu see Figure C 9 on page C 9 and proceed as follows The DriftCal Offset Error is generated when an error occurs during an offset gas one gas calibration ENABLE DISABLE ERRORS Press N to skip this error or DriftCal Offset Error press Y or Enter to set it DriftCal Offset Error response Press N to select the desired disable ENABLE o
151. routine provides automatic drift compensation for minor changes in the sensor calibration setting Programmable recalibration is accomplished in the field via a computer interface with no potentiometers to adjust 1 2 Features and Capabilities September 2007 Theory of Operation The XMO2 measures the concentration of oxygen in a gas mixture by utilizing the unique paramagnetic properties of oxygen As its magnetic susceptibility is approximately 100 times greater than that of most other common gases oxygen can be easily distinguished from these gases based on its behavior in a magnetic field Also oxygen s magnetic susceptibility varies inversely with temperature Therefore by carefully combining a magnetic field gradient and a temperature gradient within the XMO2 measuring cell an oxygen containing gas mixture can be made to flow along these gradients This induced gas flow is known as a magnetic wind The intensity of this magnetic wind depends on the concentration of oxygen in the gas mixture Figure 1 1 below shows a flow schematic for the XMO2 measuring cell Permanent magnets within the cell create a magnetic field while the cell temperature is controlled at 45 C 113 F to maintain thermal equilibrium In addition the cell contains two pairs of highly stable glass coated thermistors One thermistor of each pair located inside the magnetic field and the other thermistor of each pair located outside the field Becau
152. rresponding to the mmHg value entered at the previous prompt Obtain this data from your Calibration Sheet see page 8 6 for a sample calibration sheet Enter Pressure Curve To accept the current value press mmHg mV xxx x Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The mmHg and mmHg mV prompts repeat until the total number of data points specified at the Points prompt have been entered This completes the programming of the Pressure Curve option and the XMO2 returns to the Calibrate System menu If you selected Introduce Gases as the Calibrate Mode At the mmHg prompt enter the pressure that you intend to use Enter Pressure Curve To accept the current value press mmHg poocx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Introduce xxx x mmHg Apply the specified pressure Press YES when reagy then press Y or Enter Press YES when settled The mV value corresponding to xxx x mmHg mV the above mmHg value is shown When the displayed value stabilizes press Y or Enter The XMO2 displays working as it records the calibration data and then repeats the mmHg and Introduce xxx x mmHg prompts for the number of points specified at the Points prompt This completes the programming of the Pressure Curve option and the XMO2 returns to the Calibrate System menu
153. s on the above response and on whether you selected Numeric Entry or Introduce Gases at the Calibrate Mode prompt on page 6 5 Proceed to one of the sections on the next two pages to continue the programming sequence Note After all data points specified at the Points prompt for the current curve have been entered this sequence is repeated for the next curve After all of the curves specified in the tt Curves prompt have been entered programming of the Background Grid option is completed and you will be returned to the Calibrate System prompt General Programming 6 9 September 2007 BACKGROUND GRID Option cont Numeric Entry Y enter tabulated mV value Numeric Entry N XMO2 interpolates mV value Introduce Gases Y use appropriate calibration gas Introduce Gases N XMO2 interpolates mV value If you selected Numeric Entry and Y If you selected Numeric Entry at the Calibrate Mode prompt and Y at the Enter Point prompt the O2 mV prompt lets you enter the corresponding O2 mV value for the current 02 point xxx 02 Curve fin To accept the current value press O2 mV xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice Next the Bkgd mV prompt lets you enter the corresponding Bkgd mV value for the current 02 point X Xx O2 Curve n To accept the current value press Bkgd mV x x Y or Enter To change the curr
154. s the XMO2 to the Advanced main menu from the Set Error Handling submenu To use this option refer to the menu map in Figure C 9 on page C 9 and press N until the following prompt appears SET ERROR HANDLING Respond as indicated below Done You may now do one of the following Press N as many times as necessary to select another desired Set Error Handling option Then press Y and proceed to the appropriate section for instructions Press Y to leave the Set Error Handling submenu and return to the top level of the Advanced menu Caution This procedure permanently deletes all user entered data from the XMO2 s memory Once deleted this data cannot be recovered The Erase RAM menu is used to delete all user entered data from the XMO2 s memory Refer to Figure C 7 on page C 7 and enter this menu from the Advanced Menu prompt as follows ADVANCED MENU Press N until this prompt Erase RAM appears then press Y or Enter Caution If you select YES at the following prompt all user entered data will be permanently deleted from the XMO2 s memory and cannot be recovered WARNING Erase RAM Press N to select the desired confirm your selection and move to the next prompt ADVANCED MENU This completes the programming Erase RAM of this menu Press NO at the above prompt to select another Advanced Menu option for programming or to exit the User Program see page 7 30 Advanced Programming 7 29
155. sample system The sample line leading from the process to the sample system should be as short as possible in order to decrease system lag time and to prevent condensation in the line Proceed to the next section to begin wiring the system Caution Always apply power to the XMO2 transmitter immediately after installation especially if it is mounted outdoors or in a humid area Installation 2 3 September 2007 Wiring the XMO2 Transmitter CE Mark Requirements This section describes how make all necessary electrical connections to the XMO2 system Caution To meet CE Mark requirements all electrical cables must be grounded and shielded as described in this section IMPORTANT CE Mark compliance is required for all units used in EEC countries CE Mark requirements include compliance with both the EMC and LVD directives For EMC compliance the electrical connections must be shielded and grounded as shown in Table 2 1 below After all the necessary electrical connections have been made seal any unused cable entry holes with standard conduit plugs or equivalent Note f the instructions in this section are followed the unit will comply with the EMC Directive 89 336 EEC Table 2 1 Wiring Modifications for EMC Compliance Wiring Modification 1 When connecting the line power select the cable entry closest to the XMO2 chassis ground 2 Use shielded cable to connect the line power to the XMO2 Terminate the shield a
156. se the thermistors are electrically heated a temperature gradient is thus created within the magnetic field Induced Gas Wind Generating Cooled Thermistor Upper Measurement Chamber Wind S Receiving Comer Warmed pons Thermistor Sample Sample le Quilet Figure 1 1 Measuring Cell Flow Schematic Features and Capabilities 1 3 September 2007 Theory of Operation Figure 1 2 below shows the arrangement of the two thermistor pairs cont Magnetic Field Wind Generating Cooled hermistors A Ew Ax 0 Nu y Wind Receiving Warmed Thermistors Figure 1 2 Arrangement of the Thermistor Pairs A small portion of the sample gas flow is allowed to diffuse from the lower chamber into the upper chamber of the measurement cell If the sample gas contains a paramagnetic gas such as oxygen it is attracted to the magnetic field causing the sample gas pressure to become locally higher in the center of the chamber At the same time the sample gas pressure is slightly lower near the thermistors because the high thermistor temperature causes the paramagnetic properties of oxygen to decrease This slight gradient in sample gas pressure causes the sample gas to flow outward from the center of the magnetic field and over the thermistors As a result the inner wind generating thermistors decrease in temperature as they lose heat to the magnetic wind This causes a temperature gradient between the cooler inne
157. smitter Use the sample inlet needle valve to regulate the flow of sample gas until the flowmeter reads the same flow rate listed for your unit in Table 3 1 on page 3 1 Read the resulting system pressure on the pressure gauge Make sure that there are no unnecessary flow restrictions downstream of the sample system IMPORTANT For atmospheric pressure compensated units the 4 XMO2 outlet port must be vented directly to atmosphere with no restrictions by installing all sample system components and tubing upstream of the XMO2 transmitter Take a reading of the XMO2 4 20 mA analog output In some applications pressure changes due to flow rate changes can cause noticeable errors in the oxygen measurement In such cases consider the following corrective measures Reducing the flow rate to the minimum recommended value minimizes flow rate sensitivity A bypass flow type sample system speed loop allows minimum flow through the XMO2 yet maintains a fast transport of the sample gas to the XMO2 For the fastest transport minimize the sample line length from the process If you cannot shorten the sample line length reduce the sample line pressure to less than 5 psig Proceed to the next section to complete the initial XMO2 startup Startup amp Operation September 2007 ee Analog Output The XMO2 4 20 mA analog output has been calibrated at the factory Calibration Options for the oxygen range indicated on the
158. sociated sample system is often used to measure the concentration of oxygen O2 in the nitrogen N5 or carbon dioxide CO gases used to blanket hydrocarbon liquids during storage Air can leak into the vapor space above hydrocarbon liquids stored in tanks or process vessels forming a potentially explosive gas mixture To solve this problem inert gases such as N or CO are often used to purge the vapor space above the stored liquid and dispel any O that may have leaked into that space In such a system one must constantly monitor the level of O in the vapor space to make sure that an explosive gas mixture does not form A typical instrumentation package for this application includes an XMO2 transmitter configured for a range of 0 21 O in N or CO and operating conditions of ambient temperature and atmospheric pressure The XMO2 is mounted in a sample system similar to the one shown in Figure A 1 below dwg 731 559 Figure A 1 Blanketing Gas Sample System Two Typical Applications A 1 September 2007 Equipment Used cont Basic Operating Procedure Previous Systems The sample system in Figure A 1 on page A 1 consists of an eductor to draw the sample from and return it to the vapor space above the liquid in the storage tank aliquid separator dump to remove condensable liquids e afilter coalescer for the removal of solid and liquid particulates automatic calibration
159. sponse calibration of the XMO2 transmitter Pressure Compensation of the XMO2 or constant control of the sample system pressure GE provides a standard 10 ft 3 m 4 conductor color coded cable with each XMO2 to connect to the power input and the analog output Optional cables are available in lengths up to 450 ft 137 m as P N X4 where specifies the length in feet For longer cables or to use your own cable refer to Chapter 2 Installation for recommendations The XMO2 requires 24 VDC input power at a maximum start up current of 1 2 A The GE PS5R C24 power supply may be used to convert 100 240 VAC to the required 24 VDC The GE TMO2D Display Controller provides a two line x 24 character back lit LCD display for the XMO2 s 4 20 mA analog output signal It also permits display and option programming via its keyboard Additional features include recorder outputs a real time clock alarm relays and relays for driving sample system solenoids for automatic zero and span calibration For more information on the TMO2D please consult the factory 1 8 Features and Capabilities Chapter 2 Installation Introduction aiii A 2 1 Installing the XMO2 Transmitter oooocooccccccccccoo 2 1 Installing the Sample System cece eee cee eee ee eee eee 2 2 Wiring the XMO2 Transmitter eee eee eee eee eee 2 4 Connecting to Other Devices eee cece eee eee eens 2 9 September 2007
160. t are available at any given time are determined by the DriftCal status enabled or disabled and by the number of gases specified 1 or 2 The possible combinations are listed in Table 6 2 below Table 6 2 Available DriftCal Menu Options Status Gases Option Name N A N A Enable DriftCal Enabled A Select Number of Gases Set Offset Gas Perform Offset View Offset Set Zero Gas Set Span Gas Perform Zero Cal Perform Span Cal View Drift Curve Reset DriftCal Done The XMO2 should be recalibrated with a single offset gas about every 1 3 months depending on the application In addition it should be recalibrated with zero and span gases at least once per year The optimum calibration intervals depend on such factors as oxygen range desired accuracy gas composition and purity of the sample gas See Chapter 4 Field Calibration for the proper procedures Refer to Figure C 5 on page C 5 for a menu map of the DriftCal Handler options described in this section General Programming 6 23 September 2007 Select DriftCal Status and the Number of Gases The Enable DriftCal prompt At the following prompt which always appears the Yes option enables DriftCal while the No option disables it Enable DriftCal Press N to select the desired Enter confirm your choice Note fDriftCal is disabled above the XMO2 returns directly to the Calibrate System menu The Sele
161. t may also be performed via this interface All XMO2 transmitters include a 10 ft 3 m 4 conductor cable for connecting the power input and the 4 20 mA analog output Optional XMO2 accessories available from GE include power analog output cable lengths of up to 450 ft 137 m e 24 VDC power supply Model PS5SR C24 3 conductor cable with a DB9 male or female or DB25 male or female connector for connecting the XMO2 s RS232 digital output to external devices The XMO2 is designed to be installed in a sample system as close as possible to the process sample point Thus it is available in two environmental packages e Weatherproof NEMA 4X IP66 Explosion proof Class I Groups A B C D Div 1 Cenelec EEx d II C T6 with gas inlet and outlet flame arrestors The XMO2 Transmitter which is shown in Figure 1 3 on page 1 7 can be configured for the following standard oxygen ranges 0 to 196 0 to 2596 0 to 296 0 to 50 0 to 596 0 to 100 0 to 10 80 to 100 0 to 2196 90 to 10096 Pressure compensation is required 1 6 Features and Capabilities September 2007 The XMO2 Transmitter cont Oxygen ransm ransmitter EEE EEE FEE JE EE C M 02 PATENTNO 5012009 _ Inlet omen SG _ Outlet Flame Arrestor N 7 Flame Arrestor Figure 1 4 The XMO2 Transmitter The standard XMO2 transmitter maintains the measurement cell at an operating temperature of 45 C 113 F An optional
162. t the Calibrate Mode prompt and N at the Enter Point prompt the Interpolate Point prompt is used to have the XMO2 perform a linear interpolation to determine the corresponding mV value for the current 02 N2 pressure point Note The XMO2 linear interpolation capability is useful when you do not have a calibration gas with the required pressure and oxygen background gas composition for a given point x xx 02 Curve n xxx x mmHg Press Y or Enter to begin the interpolation or press N to return to the Enter Point prompt The XMO2 displays working as it records the calibration data and then returns you to the Enter Point prompt on page 6 20 6 22 General Programming September 2007 mm mm DRIFTCAL HANDLER The original factory XMO2 calibration should be augmented by Option periodic field recalibrations An offset curve one gas method or a drift curve two gas method is calculated from the new calibration data and is then used to compensate the original factory calibration When taking a reading the XMO2 uses both the Offset Drift Curve and any programmed background gas pressure compensation data to compensate the factory calibration data The DriftCal Handler can be either enabled or disabled in this menu When enabled it allows the user to configure the XMO2 for either of the following calibration methods One Gas offset gas Two Gas zero gas and span gas The specific DriftCal menu options tha
163. t the internal ground screw see Figure 2 3 on page 2 7 Connect the power ground wire to the internal ground screw see Figure 2 3 on page 2 7 Input Output 1 Use shielded cable to interconnect the XMO2 enclosure with any external I O devices Connect the shields to the internal ground screw see Figure 2 3 on page 2 7 Wires enclosed in a properly grounded metal conduit do not require additional shielding For compliance with the European Union s Low Voltage Directive 73 23 EEC the XMO2 requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the unit Note f the instructions above are followed the unit will comply with the Low Voltage Directive 73 23 EEC 2 4 Installation September 2007 ee Grounding the XMO2 Before proceeding the XMO2 transmitter must be properly Transmitter grounded This can be done using either the external ground screw located on the outside of the enclosure or the internal ground screw located below the printed circuit board PCB inside the enclosure To perform this task proceed as follows 1 Use Figure 2 2 below to locate the desired ground screw 2 Ifthe internal ground screw will be used remove the cover and the printed circuit board PCB from the XMO2 enclosure 3 Connect a suitable wire to the ground screw and termi
164. the prompts for the Reset DriftCal option and the XMOJ2 returns to the Two Gas DriftCal menu General Programming 6 33 September 2007 DriftCal Enabled and One or Two Gases Selected The Done option This option is used to exit the DriftCal Handler submenu and return to the Calibrate System menu At the next prompt the following two responses are available Yes exit immediately to the main Calibrate System menu No remain in the DriftCal Handler submenu DRIFTCAL MENU Press Y or Enter to return to Done the Calibrate System menu or eC press N to remain in the DriftCal Handler submenu Note fyou choose to remain in the DriftCal Handler submenu N above the Enable DriftCal and Select Number of Gases options are not available to reprogram To access these options you must first return to the Calibrate System menu Y above and then re enter the DriftCal Handler submenu This completes the prompts for the Done option Go to the appropriate section of this chapter based on the selection made above for further programming instructions 6 34 General Programming September 2007 E DONE Option The Done option returns the XMO2 to the General Menu from the Calibrate System submenu Note This menu option always appears To use the Done option refer to the menu map in Figure C 2 on page C 2 and press N until the following prompt appears CALIBRATE SYSTEM Respond as indicated
165. umeric keys to enter a new value and press Y or Enter twice DRIFTCAL MENU Press N until this prompt Set Max Total Drift appears then press Y or Enter You may now do one of the following Press N as many times as necessary to select another DriftCal Handler menu option Then press Y and proceed to the appropriate section of this chapter for instructions Press N until you reach the Done option of the DriftCal Handler menu then press Y to return to the Calibrate System menu The Set Max Drift Cal option The Set Max Drift Cal option is used to specify the maximum allowable drift per calibration as a percentage of the full scale reading 10 of ES is the default value If a calibration results in a drift change greater than the value specified an error condition occurs To use this option proceed as follows Note Ifthe XMO2 displays a value greater than 10 of F S after reaching equilibrium change the maximum Drift Cal value to 25 before calibrating the unit DRIFTCAL MENU Press N until this prompt Advanced Programming September 2007 E DRIFTCAL HANDLER The Set Max Drift Cal option cont Option cont Max 95 Drift per Cal To accept the current value press F S xx Y or Enter To change the u current value use the numeric keys to enter a new value and press Y or Enter twice DRIFTCAL MENU Press N until this prompt Set Max Drift Cal appears then press Y
166. under our sole responsibility that the product XMO2 Oxygen Transmitter to which this document relates in accordance with the provisions of ATEX Directive 94 9 EC Annex Il meets the following specifications C ex II 2 GD EEx d IIC T6 or T5 40 C to 55 C 1180 ISSePO2ATEX022 T80 C IP66 Furthermore the following additional requirements and specifications apply to the product e Having been designed in accordance with EN 50014 EN 50018 and EN 50281 the product meets the fault tolerance requirements of electrical apparatus for category d The product is an electrical apparatus and must be installed in the hazardous area in accordance with the requirements of the EC Type Examination Certificate The installation must be carried out in accordance with all appropriate international national and local standard codes and practices and site regulations for flameproof apparatus and in accordance with the instructions contained in the manual Access to the circuitry must not be made during operation Only trained competent personnel may install operate and maintain the equipment The product has been designed so that the protection afforded will not be reduced due to the effects of corrosion of materials electrical conductivity impact strength aging resistance or the effects of temperature variations The product cannot be repaired by the user it must be replaced by an equivalent certified product Repairs should only be carrie
167. uo RAE 7 2 Basics mes Net Men dE RR 5 4 General eee ee 6 2 Mapsco pa nds sje deu Ra C 0 Navigation 0 eee eee eee 5 3 Menu Maps 0 e eee eee C 0 O O2 Input Menu 005 6 37 AutoZero Bridge 2 7 10 DOS re ed Me cut 7 11 Options a nun a sd a nee he 7 9 Set AutoZero Value 7 9 Offset Calibration o ooo 4 5 Offset Input Menu 6 39 One Gas Calibrati0N 4 5 Ordering Information 8 4 Index September 2007 Index cont P S P sscodes s sve eee 5 1 6 1 7 1 Sample Gas Perform Offset Menu 6 26 Flow Rate i ecce ii 3 1 Perform SpanCal Menu 6 31 Initiating Flow 2 2 2 2 2222020 3 1 Perform ZeroCal Menu 6 30 Sample System Performance Specifications 8 1 Description LR IRE 1 8 Physical Specifications 8 3 Installation 2 2 Power Supply Select Number of Gases Menu 6 24 DESCHPHON sees PH ris 1 8 Set AutoZero Value Menu 7 9 WIDE 2 2 ebbe be 2 9 Set Background Display Menu 7 4 Powering Up 0 0 2 cece eee eee 3 1 Set Easy Menu Entry Option 7 5 Pressure Compensation 4 1 Set Error Handling Menu Pressure Curve Menu 6 12 DONE ne Me tere test 6 46 7 29 Pressure Grid Menu 6
168. ure Image Monitor Series analyzers e System 1 moisture analyzer The PS5R C24 Power The GE PS5R C24 power supply converts a 100 240 VAC input to Supply the required 24 VDC output Figure 2 4 below shows the PS3R C24 connections As indicated the AC input Line Neutral and Ground connections are made to the terminals along the bottom of the panel while the DC output 24V and 24V connections are made to the terminals along the top of the panel See the instructions provided with the power supply for more details Figure 2 4 PS5R C24 Power Supply Connections Installation 2 9 September 2007 TMO2D Display LDP Display XDP Display Moisture Image Monitor Series Analyzers System 1 Analyzer The GE TMO2D display provides a two line x 24 character back lit LCD It features display and option programming via the keyboard and it offers recorder outputs alarm relays and optional relays for driving sample system solenoids for automatic zero and span calibration of the XMO2 See Figure B 3 on page B 3 for an interconnection diagram and refer to the TMO2D User s Manual 910 084 for details on its operation The LDP display provides an integral regulated 24 VDC power supply an adjustable 3 digit display to program the 4 20 mA analog input range two programmable SPDT alarm relays rated for 1A 2250 VAC and an isolated independently adjustable 4 20 mA analog output The LDP is supplied in an explosion proof enclosure that
169. ured with background gas compensation Data is entered as a series of calibration curves each of which represents a particular background gas the data for your curves is supplied on an XMO2 calibration sheet similar to the one shown on page 8 6 To use the Background Grid option refer to the menu map in Figure C 2 on page C 2 and complete the following steps Note The Background Grid option appears only if Pressure Compensation is OFF and Background Compensation is ON as specified in the System Mode menu see page 6 4 CALIBRATE SYSTEM Press Y or Enter to enter the Background Grid Background Grid menu At the Curves prompt specify the number of calibration data curves to be entered Each curve represents a specific concentration of a particular background gas IMPORTANT The Curves for your unit is listed on its calibration data sheet see page 8 6 for a sample sheet and the value should not be changed CALIBRATE GRID Accept the current value by The next prompt appears only if the Display Background Gas option is enabled in the Set Background Display branch of the Advanced Menu see Chapter 7 Advanced Programming The Curve n prompt allows you to enter a fixed background gas concentration for one of the curves in the background grid Note The gas type displayed in the Curve tn prompt is specified in the Select Gas Type option of the Advanced Menu The choices are Bkgd generic H2 N2 used as an example in t
170. urrent value press 02 xx xx Y or Enter To change the current value use the numeric keys to enter a new value and press Y or Enter twice The 4 20 mA analog output is forced to the value corresponding to the above specified oxygen Verify that your analog output device is displaying the correct value mA Output xx xx 02 When ready press Y or Enter Press YES to return to the General menu This completes the prompts for the Enter Units option and the XMO 2 returns to the main General menu SET ERROR HANDLING The Set Error Handling menu is used to enable or disable all error Menu handling for the following devices a terminal or PC connected via the XMO2 s RS 232 port the XMO2 s 4 20 mA analog output Note The error handling for each individual error condition is programmed in the Set Error Handling option of the Advanced Menu see page 7 36 GENERAL MENU Press Y or Enter to enter the Set Error Handling menu or press N to move to the next General Menu option The Set Error Handling menu consists of three options Terminal set the terminal PC error handling mA Output set the 4 20 mA analog output error handling Done exit the Set Error Handling menu Refer to the menu map in Figure C 6 on page C 6 and proceed to the appropriate section for instructions General Programming 6 43 September 2007 a
171. w calibration data to create offset and drift curves that compensate the original factory calibration data for variations that occur in the field Refer to Chapter 5 Basic Programming for details on viewing the current Offset Curve one gas calibration and or Drift Curve two gas calibration being used by your XMO2 When making a measurement the XMO2 uses the Offset Curve or Drift Curve along with any background gas and or cell pressure compensation data entered at the factory or in the field to update the factory calibration data To maintain the integrity of this process the XMO2 should be recalibrated periodically This is typically done every 1 3 months with a single offset calibration gas depending on the application The optimum recalibration interval depends on such factors as O range required accuracy components of the gas mixture the cleanliness of the sample gas etc In addition the XMO2 should be recalibrated with the two gas zero gas and span gas method at least once per year Again the optimum calibration interval depends on the specific application Using the calibration procedures in this chapter the XMO2 can be recalibrated for the same O range background gas mixture and compensation signals used for the factory calibration However if it has been some time since the original factory calibration or if you want to calibrate the XMO2 for a different O range gas mixture or compensation signal cont
172. w the offset gas to flow through the XMO2 for at least three minutes 3 Using the ammeter record the analog output mA value and compare it to the expected value 4 Using Figure 3 2 on page 3 4 as a guide locate the Calibration Pushbutton Switch S3 Depress the Calibration Pushbutton and hold it down for 20 seconds During this time the green light below the Calibration Pushbutton will go out 5 When the Calibration Pushbutton is released the green light will come back on and the XMO2 has been recalibrated Verify that the mA reading on the ammeter is now equal to the expected value Note Ifthe XMO2 fails to recalibrate to the correct analog output value contact the factory for assistance If you are connected to a computer or terminal via the RS232 digital output you can view the results of the offset gas pushbutton calibration by selecting View Offset from the Basic Menu See Chapter 5 Basic Programming for detailed instructions Startup Operation 3 5 September 2007 RS232 Digital Communication Calibration At the initial startup of the XMO2 RS232 Digital Communication Calibration is the second method available for field verification calibration of the 4 20 mA analog output Note RS232 digital communication can also be used to change the 4 20 mA analog output range See the next section for details To prepare for this calibration method refer to Figure 3 1 on page 3 4 and perform the following preli
173. ystem Mode option is used to specify the XMO 2 s response time oxygen signal compensation settings and calibration mode To use the System Mode option refer to the menu map in Figure C 2 on page C 2 and complete the following steps Note This menu option always appears CALIBRATE SYSTEM Press Y or Enter to select this System Mode menu option The first prompt allows you to set the response type to either damped or fast Damped is the normal response while fast response is a software enhancement for faster performance under certain conditions The factory default setting for this parameter is damped IMPORTANT Before switching to fast response always consult the factory for assistance Response Type Press N to select the desired fast DAMPED option then press Y or Enter to confirm your selection and move to the next prompt The next prompt enables the XMO2 to provide pressure compensation of the oxygen signal The XMO2 uses calibration data entered for pressure compensation along with data stored in the drift curve to compensate the oxygen signal Note Pressure compensation can be used only if the XMO2 is provided with an optional atmospheric pressure transducer Pressure Comp Press N to select the desired on OFF option then press Y or Enter to confirm your selection and move to the next prompt The next prompt enables the XMO2 to provide background gas compensation of the oxygen signal The

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