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Aurora H2O - GE Measurement & Control

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2. Figure 2 Aurora H2O System Assembly with Optional USA CAN Heater 4 Aurora H20 User s Manual Chapter 1 Features and Capabilities 1 4 System Components cont Note Refer to Table on page 6 for part descriptions 12 TEN I y 4 3 amet Ne aot H T Ir I A 4 saupu INLET J III E Z NEN Tro NS Ns HA innit Y _ PLEOUTLET HI H 2l H TT c KL
3. i E N NN a D 33 12 24 26 26 16 24 91 Figure 31 Aurora H2O Outline and Mounting ref dwg 712 1456 10 24 18 31 ss Aurora H2O User s Manual 31
4. S i ON 16 ANO Ne SAT o We ni T m Ja N NS Figure 3 Aurora H20 System Assembly with Optional EU ATEX Heater Aurora H20 User s Manual Chapter 1 Features and Capabilities 1 4 System Components cont Table 1 Aurora H2O System Parts List No Depo No Description Ca eave e weserugeGsseedr 6 Cooescng titer Dans tostloopvet i Rum 6 Aurora H20 User s Manual Chapter 1 Features and Capabilities 1 4 System Components cont IMPORTANT The filter installed within the Aurora is designed to function as a secondary filter primary filter or filter train should be used upstream of the analyzer Do not sample directly from the process gas to the Aurora without the use of a primary filter and pressure reduction The pressure inlet to the Aurora sample inlet should not exceed 500 psig 2
5. lt AN 247 gt A L1 L2 IN G EI CN 7 lt N I N A i N VS 0 ZH09 0S SS E e A OvZ 001 OUTPUT 4 20mA B RS 485 C PORT 1 PORT 2 R T N R T N IOIA e Z WU Z KA x Z SEE NOTE 1 CUSTOMER GROUND NOTES 1 I O CONNECTIONS AND PRESSURE TRANSMITTER WIRE GAUGE RANGE 12 24 AWG 2 AC AND DC CONNECTION WIRE GAUGE RANGE 12 18 AWG Aurora H20 User s Manual GROUND BAR AC OPTION SHOWN a DC WIRING ao SEE NOTE 2 I O CONNECTIONS SEE NOTE 1 Chapter 2 Installation Figure 32 Aurora H20 Electronic Assembly Wiring Diagram ref dwg 702 8976 de Chapter 3 Operation and General Programming Chapter 3 Operation and General Programming 3 1 Using the Aurora H2O Follow the information in this chapter to operate the Aurora H2O system CLASS 1 LASER PRODUCT WARNING Use of controls or adjustments or performance of proce
6. 4 3 4 Adjusting the Gas Offset The input information for gas molecular weight is not currently used for any moisture Comms Pressure calculations and is reserved for future use Adjust Locale EES BUF PRE Fob Clock Ibs MMSCF is calculated using IGT Research Bulletin 8 and ASTM D 1142 95 referenced at 60 F 1 ATM mg cm is based on ideal gas law derivation referenced at 15 C 1 01325 kPa To adjust the gas molecular weight offset from the Settings Menu select Gas and press Enter From the Gas Data menu select Mol Weight and press Enter The following screen appears Gas Mol Weiaht Use the left and right arrow keys to select each digit to be changed Use the up and HERH 566 pana down arrow keys to change the value When finished press Enter The screen returns to 58129 8888 s male the Settings Menu M EH 4 rin f Save XK Lancel 4 4 Clock Settings Settings Menu The clock settings are for informational purposes They are used to keep track of the test Comme Pressure analyzer start time and the laser operational time Adjust Locale Gas Eire vaih To reset the clock from the Settings Menu select Clock and press Enter The following IL LOCE screen appears 4 4 1 Resetting the Hour Thu 178 2009 69 56 To reset the hour from the Clock Menu select Hour and press Enter The following irm screen appears Minutes Honth Set Hour B 2 31 Use the left and right arrow
7. 68 Sette JD oco soc sna det uus es a ev e 30 Display Default cs ea EE EE ERE ae meets 36 E Electrical Connections u sarrere HIR 26 F A sor d Ses Saeki wee esis EE RIEN SES Il Filter Element Replacing 7 101 G Gas Molecular Weight Adjusting 53 H Heater PUATE 0d oa 5 8 USAC AN osado dd 4 8 Indicator L8 ts 4 2 9 y acere som SU cR ea v var 36 Aurora H2O User s Manual Insertion Probe Regulator Diescapuon es io unte licita des 17 EA 2444 p ddr td E PROP PESE dS 17 Setting the Pressure 25 Installation C hooSHIP d SIIS L hu i e oie d once anie loda 14 NIGUNIING L ur oa Sade ede nee wets 16 Installations Sy Stems euius era pq i soto Rd shows 13 K Keypad iU LEE 35 LOCK OURS WIEN s ecce pon Bae ay s es 37 Unlock tada e esa ai us diet sedia 37 L Pislds Indicator aoi abe See ie Be a 36 Low Voltage Directive 16 M Masne SN lUs ooa daa ori aut Moe deers 36 Mabe ANCE 5a eem KE ace dot Te deo rebas os 95 MENA D basses incendii A kupa eer 93 Menus Accessing 38 Mirror Cleanilg 5 sas xu wed az 95 Modbus Reiter Map any sara site Scc do 112 RTU RS485 Communications 111 A donee Se au q aos is G7 32 16 31 N Numeric Values Entering 38 O Offset Values Adjusting 51 Operation Sample System 33 JEHGOIS OD ence d d acier dou dne wor
8. fozzma 5520 Doube roo Pressure Span Calration mA cozma 5825 Doubie oat_ Pressure Zero Calibration KPa o 3sooka UU UU 5530 Double Foot Pressure Span Calibration kea o 3so0kPa 5535 Doubie Foat Pressure Source Constant Value 0 5540 Integer Live Sensor 1 External Pressure Aurora H2O User s Manual 113 Appendix A MODBUS RTU RS485 Communications Table 5 Modbus Register Map cont Description Range State Data Type Device ID Aurora H20 8100 Serial Number Laser Serial Number Calibration Date Date Year System Up Time Measure Dew Point Dew Point C ments P Equivalent Dew Point C Equivalent Dew Point F Temperature uo ui External Pressure kPa PSla PSIg kg cm Bars mmHg Internal Pressure kPa PSla PSIg kg cm Bars mmHg H50 Concentration l Address 0 is the System Status register and address 1000 is the latching version of the System Status register That 1s both registers will show the error bit if the error is currently present but only the latching register will show it if the condition is no longer present Writing O to the latching register will clear the error code it contains Only 8200 1 12 8310 Integer Depends on month 8320 Integer 2000 2100 8330 Integer Uptime in days 8400 Double Float Double Float Double Float Double Float 9140 Double Float Double Float Double Float Double Float
9. 00 z22 2150 power Upper ofValue 10 100 2160 Dober Lower ofValue 0000 1000 2170 pober Te AvgueofoupuL0 100 2180 poubon CS ECT nomme 2220 meger Fomr os ZOCO WimRewgSon Joozz Tezo ooer UmperoWue foon 2260 postie lowroWue 1905 1009 2270 postie 2 alga 0100 2 80 postiar Output 5 Trim Sequence Start Resume Live Output Yw 2500 Trim Reading Zero 3 0 5 2 2340 Double Float mm Trim Reading Span 100222 2350 Double Float m Upper of Value 10000 10000 2360 Double Float EN Lower of Value 10000 10000 2370 Double Float EN 112 Aurora H20 User s Manual Appendix A MODBUS RTU RS485 Communications Table 5 Modbus Register Map cont Read Units Units Reg addressofMeas Reg address of Meas of Meas 3120 3120 Integer Out Banda 2 e o peeso 3140 fouero owe pepene 3150 Dobro Moma ss pote e Tropea 3200 nteger Bue peoFi ov EIA Os esedesofMes SEO meer LEN EN Out Bands 2 3240 oubien 3250 posto emi tts ri jme sm S m EC o ner Os e ares areas 3320 neo Pe ee E band 2 Upper Depends onunitype 3940 Doubier A s eee a a me ok or CO ETICA Mes ess seo mer Mmm i EEC O A Due oa sao mer y pooaes some Pressure ZeroClbration ma
10. Chapter 3 Operation and General Programming 3 2 Sample System cont INLET ISOLATIO NEEDLE VALVE RE UR REGULA TOR SAMPLE NEEDLE VALVE BYPASS NEEDLE VALVE SAMPLE PURG 3 WAY BALL VALV Figure 33 Aurora H20 Sample System Quick Startup Guide ref dwg 902 004 34 Aurora H20 User s Manual Chapter 3 Operation and General Programming 3 3 Keypad Features Menu Power Indicator Main Display Fault Indicator Laser Indicator PPM Hel status had 39 2b Information LIE E jt Dew PT i Indicator 14 542 5 9 Keypad Lock Indicator Cancel Enter Up Left Right Down Arrows Figure 34 Aurora H2O Keypad The Aurora H2O has seven keys a Menu key four Arrow keys a Cancel X key and an Enter Jf key e Use the Menu key to open the main menu on the display e Use the Arrow keys to navigate among menu choices and to increment decrement numeric entries Use the Cancel X key to cancel a numeric entry change or exit a menu e Use the Enter 4 key to accept a numeric entry or select a menu option Aurora H2O User s Manual 35 Chapter 3 Operation and General Programming 3 3 1 Indicator Lights If the Fault Indicator is lit an instrument fault is detected A message will be displayed in the Main
11. S Write these files to CD bin File Folder 4 6 2009 3 02 PM license File Folder 4 6 2009 3 02 PM supportfiles File Folder 4 6 2009 3 02 PM Ej nidist id 1KB IDFile 4 6 2009 2 43 PM ca Make a new Folder ell setup exe 2 396 KB Application 11 21 2007 9 48 AM ES Publish this Folder to the A setup ini 33KB Configuration Settings 4 6 2009 2 43 PM Web E Share this Folder File and Folder Tasks Other Places AuroraView E E My Documents My Network Places Details Files Curreng Files Curreng Files Curreng Files Curreng Files Curreng Files Curreng 4 b 6 objects Figure 42 AuroraView Installer Aurora H20 User s Manual 71 Chapter 5 AuroraView Interface Software 5 5 Installing AuroraView cont 4 Exitall other programs before running the installer 72 L AuroraYiew i AuroraVlEW Installation It iz strongly recommended that you exit all programs before running this installer Applications that run in the background such as virus scanning y utilities might cause the installer to take longer than average to complete Please wait while the installer initializes Cancel Figure 43 Installation Recommendation Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 5 Installing AuroraView cont 5 The next screen provides the opportunity to change installation locations if desired When ready click Next ue AuraraView TPE III XII ii I
12. Waa HO returns to the previous screen with Trim Zero highlighted Cancel Trim Menu EL ut Hl To trim the zero value press Enter A screen similar to the following appears select Trim utrut This will cause the Aurora H2O to output 4 000 mA on the output being trimmed The output value should then be read using the connected recorder SCADA equipment or DVM Enter the value read from the connected equipment as the Zero Trim value as follows Reset Trim 44 Aurora H20 User s Manual Chapter 3 Operation and General Programming 3 5 7 Trimming the Outputs cont Note Since you cannot trim 0 mA for negative offsets trim for the lower end of the scale is at the 4 mA output level Enter Qut A Readina Use the left and right arrow keys to select each digit to be changed and the up and down HERH 5 2006 arrow keys to increase or decrease its value Press Enter to save or Cancel to keep the Ad AAAA m previous value GH 3 6660 Y Save x Lancel Trim Menu Cout HJ The Trim Menu returns with Trim Span highlighted To change the span value press Select Trim Guteut Enter A screen similar to the following appears Reset Trim This will cause the Aurora H20 to output 20 000 mA on the output being trimmed The output value should then be read using the connected recorder SCADA equipment or DVM Enter the value read from the connected equipment as the Span Trim value Enter Out A Readins Use the left and right ar
13. hu 171572009 63139 To reset the year from the Clock Menu select Year and press Enter The following Hour CES screen appears Minutes Month Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the Clock Menu 4 5 Pressure Settings Settinas Menu To reset the pressure settings from the Settings Menu select Pressure and press Comms gsm Enter The following screen appears Adjust Locale bas BUER BF BB Clock 4 5 1 Setting the Source Pressure Settings To reset the source from the Pressure Menu select Source and press Enter The EEN following screen appears Constant mmm x r aw za na sassa Pressure Settings Use the left and right arrow keys to select the line pressure source Live accepts a pressure value from a pressure transmitter and Remote accepts a value via a Modbus Seen Live Remota connection To set a constant value select Constant and press Enter The screen returns to the Pressure Menu x Cancel 4 5 2 Changing the Constant If the pressure source selected is Constant to reset its value select Constant from the Source Pressure Menu and press Enter The following screen appears o mom mmm n zo x4 o ll Aurora H2O User s Manual 57 Chapter 4 Programming Advanced Features Enter Line Pressure Use the left and right ar
14. 14 85 Dima C3 qu Js c co t mm io C3 qu C le t en mm Ld b D 14 83 10 69 14 61 10 07 cn jen rc pa pad Lo fs Fa 00 mm Aurora H2O User s Manual i Figure 72 Trend Data in Tabular Format 91 Chapter 5 AuroraView Interface Software no content intended for this page 92 Aurora H20 User s Manual Aurora H20 User s Manual Chapter 4 Programming Advanced Features Display Outputs Settings Factory trained Lock Display personnel only About Aurora Alt 1 Alt 2 Data Scan Adjust D Ds nam Select Output Select Output Adjust GE Copyright Ple Comm Port Adjust Offset Values Set Clock Unit SN loli ppm Leva Hour ii Ibsimmscf Alt 1 EN EN Select Comm Port 7 System Status pore SCADA Service S 00 Alt 2 Baud Rate Smoothing Filter Laser Hours i e 85 ESC Cancel 1 decimal ESC Cancel ESC Cancel i e 200 Samples Select Baud Rate c Set Hour 0 23 Software Versions Uerum 115 2 kHH 9600 a BOOT Save e on PROG Dew Pt C ESC Cancel ESC Cancel Select Unit Type Status 57 6 k HH 4800 Set Date oa Set Year Gas Composition Dew Pt F ygro Set Alarm Status 38 4 k HH 2400 i e Mon 10 6 2008 14 33 Standard Methane Eq DP C 19 2 k HH 1200 User Calibration Eq DP F Set Pressure Settings Molecular Ibs mmscf Y Set Weight Type Units Parity 3 o Molecular Weight l Factor Select Output Type
15. F Sample Pressure 101 55 kPa 25858 56 54 52 Sample Pressure 0 10155 MPa 50 48 46 44 25856 25854 25852 25850 25848 25846 Sample Pressure 14 729 PSIa Sample Pressure 0 03 PSIg Sample Pressure 1 04 kg cm 25844 Sample Pressure 761 71 mmHg Line Pressure 101 32 kPa 25842 Line Pressure 0 10132 MPa Line Pressure 14 70 PSIa 25840 Line Pressure 0 00 PSIg 25838 Line Pressure 1 03 kg cm PL Line Pressure 760 00 mmHg j l 25836 IN 25834 aa E IQ PEE 25832 Current Readings 25830 25828 Pane 3 25826 25824 25822 25820 25818 25816 25814 25812 25810 25808 25806 25804 I I I I 1 25802 03 46 30 PM 03 46 50 PM 03 47 10 PM 03 47 30 PM 03 48 00 PM 08 17 08 17 08 17 08 17 08 17 Figure 50 AuroraView Main Screen 78 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 5 Using the Main Menus 1 Click Measurements Config l Configure Measurements EBAuroraVIEW File Measurements Alarms Outpui Dew Point C Dew Point F Equivalent Dew Point F Sample Temperature C Sample Temperature F PCB Temp C Block Temp C Peak Index Peak Value Raw Peak Value Adj Lobe Raw Raw Avged External Pressure kPa External Pressure PSIa External Pressure PSIg External Pressure kg cm External Pressure mmHg Internal Pressure PSla Internal Pressure PSIg Internal Pressure kg cm Internal Pressure mmHg Concentration PPM Sample
16. Port 1 is designated as SCADA Port 2 is designated as SERVICE For operation on RS 485 2 wire half duplex bus attach the RS 485 to and the RS 485 to Make no connection to RTN Note For an RS 485 Multidrop Network a terminating resistor must be installed across the Aurora H2O RS 485 terminals or an internal terminating resistor can be applied See below When using the Aurora H2O in RS 485 mode and to prevent signal reflections on the high speed RS 485 connections it is recommended that the far end of the RS 485 lines be terminated properly The termination can be accomplished in one of two ways Connect 1200 14W leaded resistors across the and terminals of ports 1 and 2 both ports or whichever one will be in use Or Using long nose pliers move jumpers J15 and J16 from pins 2 and 3 default setting from factory to pins 1 and 2 see Figure 27 on page 28 J16 is the termination for port 1 and J15 is the termination for port 2 It is also recommended that basic ESD precautions such as grounded wrist straps be used for this procedure Aurora H2O User s Manual 27 Chapter 2 Installation 2 8 Making Electrical Connections cont Multi drop RS 485 For multiple Aurora H20 units connected in daisy chain fashion to the RS485 interface it is important that the farthest unit away from the transmitting device be the only unit incorporating any termination see Figure 27 below All
17. from the Gas Data Menu select Composition and press Enter The following screen appears Mol Weiaht Back around Z Factor a Data The first choice is STD the composition of our standard calibration mixture 90 0 Current vw Standard CHA 6 0 N2 and 4 0 CO2 To set the standard mixture select STD and press Enter EN CH4 The screen returns to the previous menu x Cancel The second choice is CH4 a composition of 100 0 Methane CH4 for use when Current vw Standard using bottled gas for verification To set the Methane composition select CH4 and press STD WIEN Enter The screen returns to the previous menu x Cancel Note An additional choice or two will be available above only if the customer has requested optional custom gas compositions 4 3 3 Setting the Z Factor The Z factor is a number that accounts for the non ideal compressibility of natural gas and is vital for accurate calculation of mass volume Ibs MMSCF mg m To set the Z factor from the Gas Data Menu select Z Factor and press enter The Mol leiaht following screen appears Back araund ComPosition Comrress Factor cz Use the left and right arrow keys to select each digit to be changed Use the up and ER 1 5606 down arrow keys to change the value When finished press Enter The screen returns to A 3987 the Settings Menu RIA 4 Saad Y Save x Lancel Aurora H20 User s Manual 54 Chapter 4 Programming Advanced Features
18. the mirror and or the optical window of the measuring cell may be contaminated due to liquid or particulate coating deposition Note Reagent grade Acetone Cas no 67 64 1 may be needed for the cleaning process The reagent is not supplied as part of the Aurora maintenance kit and you must obtain the reagent from a local chemical supplier Aurora H2O User s Manual 95 Chapter 6 Maintenance 6 3 Cleaning the Mirror cont If the error condition Check Mirror is indicated the first step is to clean the mirror The process is as follows 1 Turn the power to the Aurora H20 OFF CAUTION CLASS 1M INVISIBLE LASER RATIATION WHEN OPEN DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS WARNING Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous laser exposure 2 Shut down the flow through the measuring cell a Turn the inlet isolation needle valve item 4 in Figure 2 on page 4 or Figure 3 on page 5 to the closed position b Ensure that the sample flow rotatmeter indicates zero flow 3 Wear a pair of disposable latex gloves Note A 5 32 inch allen wrench is required to accomplish this task 4 Remove the 6 hex bolts securing the mirror see Figure 74 below A 5 32 inch allen wrench is required to accomplish this task Hold the stainless steel base of the mirror with one hand while removing the last retaining bolts The mirror is removed by pulling it straight d
19. the previous menu page Pressing Cancel X from the Main Menu will return the screen to the Measurement Display Note Menu items displayed with an ellipsis shown as a series of three dots after the menu item will bring up more choices while those without take immediate action Main Meno TE M Service urtrFutz About Alarm LOCE Settings Figure 38 Main Menu 3 3 7 Entering Numeric Values Since the Aurora H2O has no numeric keypad numeric values are entered using a combination lock style of entry Use the left and right J gt arrow keys to select the digit to change The digit selected will be indicated with a a Use the up and down W arrow keys to increment or decrement the digit Note If incrementing or decrementing a digit would cause the numeric value to exceed its allowable range maximum minimum value the digit will not change Press Enter 4 to save the new value and return or Cancel to return leaving the original value intact Set Dutrut A ero ERE 50066 wd BEBE Br PPM Hed Pri MSS amp 4 5a23ue x Lancel Figure 39 Numeric Entry 38 Aurora H2O User s Manual Chapter 3 Operation and General Programming 3 3 8 Starting Up After proper installation the Aurora H2O Transmitter can be set up to accommodate the user s requirements Typically the user may need to configure the analog outputs trim the analog outputs and program the digital outputs Refer to the Me
20. 0x2B OxOE Read Device Identification only supports Basic Device Identification tags which are VendorName Product code e Revision number Aurora H2O supports data types of Integer and Double Float Integer data types are always four 4 bytes long and should be read with a request for two registers two bytes per each register two registers total at the address Double Float data types provide eight 8 byte double precision data or four 4 byte single precision data depending on how many registers are requested Four registers are used for double data types and two registers are used for single precision data types Aurora H2O User s Manual 111 Appendix A MODBUS RTU RS485 Communications A 3 Modbus Registers All registers denoted with a bullet in the Read Only column are read only registers and should be read with the function Read Input Registers All other registers can be read and written with Read Holding Registers or Write Multiple Registers Note The Modbus Register Address map supported by Aurora H2O is shown in Table 5 below Table 5 Modbus Register Map Read Status Register Status Register O0 integer Status Register Write O to rs LE Integer Latched Output 1 Trim es a Start Resume Live Output Trim Sequence Start Resume Live Output 2100 Integer nts Rear of eos 2130 meger ye enema 2 0 20mA 2120 meger TrimReoding zero 8D 52 ETICO WmRewingspm
21. 3 2006 e EN 61010 1 2012 Overvoltage Category II e EC 60825 1 following the provisions of the 2004 108 EC EMC 2006 95 EC Low Voltage and 94 9 EC ATEX Directives The unit listed above and any ancillary equipment supplied with it 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 Billerica August 2010 Issued Mr Gary Kozinski Certification amp Standards Lead Engineer C TOV no content intended for this page Customer Support Centers U S A The Boston Center 1100 Technology Park Drive Billerica MA 01821 U S A Tel 800 833 9438 toll free 978 437 1000 E mail sensing ge com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland Tel 4353 0 61 470291 E mail gesensingsnnservices ge com An ISO 9001 2008 Certified Company www ge mcs com en about us quality html WWW ge mcs com 02013 General Electric Company All rights reserved Technical content subject to change without notice 910 284 Rev F
22. 819 68 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software Chapter 5 AuroraView Interface Software 5 1 Capabilities Your Aurora H2O Analyzer is shipped with a CD which includes a PC Software Application called AuroraView With AuroraView you can e View Aurora H20 Configuration Items such as Alarms amp Outputs e Use the DataLog function to copy data to a comma delimited txt file which can be opened by spreadsheet applications such as Microsoft Excel e Plot real time data for one or more Aurora H2O parameters e Manipulate plotted data in a variety of ways such as color line type zoom in out etc e Trend tabular data in real time e Show Scan Plots of the moisture absorption spectra Copy plots from AuroraView to other Window applications like Microsoft Powerpoint or Word AuroraView does not provide functionality for the following e Aurora H20 software updates e Save the Aurora H20 Configuration The Aurora H20 has a robust design which allows the meter to recover from fault conditions without the need to upload the configuration of the meter using external software 5 2 Requirements AuroraView leverages a National Instruments Run Time environment This environment is supported on the following operating systems with the minimum installation requirements indicated e 260 MB of available hard disk space e 64 MB of RAM or more e 300 MHz Pentium CPU e Windows NT 4 0 SP6 or higher Windo
23. Gas Selection menu with the switch in the Locked Out down position will result in the following message being displayed Use Gas Lockout switch to unlock Aurora H20 User s Manual 109 Chapter 7 Troubleshooting no content intended for this page 110 Aurora H20 User s Manual Appendix A MODBUS RTU RS485 Communications Appendix A MODBUS RTU RS485 Communications A 1 Introduction The Aurora H2O supports digital communications using the Modbus RTU protocol with 2 wire RS 485 or 3 wire RS 232C as the physical layer Data rate can be specified ar rates from 1200 to 115200 bits per second bps with selectable parity Aurora H20 has two physically separate communications ports Both ports can be selected for either RS 232 or RS 485 operation and Aurora H20 can communicate with both ports simultaneously Note Aurora H2O supports the Modbus RTU protocol as defined in MODBUS Application Protocol Specification V1 1b amp MODBUS over Serial Line Specification and Implementation Guide V 1 02 Note The above referenced specifications are available from the Modbus Organization at http modbus ida org A 2 Modbus Functions and Data Types The Modbus functions supported by Aurora H20 include 0x03 Read Holding Registers 0x04 Read Input Registers 0x08 Diagnostics Serial Line only only supports Echo subcommand 0x10 Write Multiple registers 0x11 Report Slave ID Serial Line only
24. J B a eae ee nee E E EE RAD EAE IEEE 64 4 9 2 Checking the System StqtuS 64 4 9 5 36 hyeeklg A A as aphinhukappahaqhipapa 65 494 Checking theGas CONOS ode emus ad ong toon teed eek ee cede RE S aos 65 495 Checking the Alternate Gos Composition 66 Aurora H2O User s Manual Vii Contents EPO POU S RALE EAO E ps Blase mus e aceti ect S E Sea EROR ESO de pu a mila sap eae CIN 67 A tockng Unloeking ties DIOE c deir aere VR RIPE ERU ee ER PO d EI eee oun uet ep r 68 Chapter 5 AuroraView Interface Software ME Sero ERNEUT 69 SLM 8 8d UB RI RR TT t Eo susu bstussusssusutasspapassasshhuosanpasma has 69 A tol OW u cites Enns erica Sun auqa dah II asi aasan gs a tana 70 S G sup eT ro EOS AME uo LETT TTE TP 77 e AS O Man Menu S u eE ees E E E ee ae E AE E N 79 56 Ipatalodaitpc With A II E OE dE NA a 85 5 7 Working with Trend Plots Trend Tabular Data amp Scan Plots 86 Chapter 6 Maintenance DL s Dee L arar a irte 95 6 2 Recommended Factory Verification Period 95 Do o pi E S aen PP EE E E A cos E A EE E ne E T S 95 64 e Ne pter AAA a E E DETE EEE E NETL d 101 Chapter 7 Troubleshooting A o II 105 T gt a DIDO AAA Lamon woos E rete ch cae A AT es ea eee se Paton ee saw 105 vs DISPO DMO adr R Ad oue cac ot
25. PSIa O55 15680 Figure 36 Default Display Alt 1 56 Aurora H20 User s Manual Chapter 3 Operation and General Programming 3 3 4 Unlocking the Keypad After power on the Aurora H2O keypad is locked as indicated by the symbol lit up with a red backlight It is necessary to enter the keypad unlock sequence to make any changes to the Aurora H2O Similar to a mobile phone the Aurora H2O will prompt the operator to unlock if any key is pressed A passcode is required to use certain factory service features only To unlock the keypad press Cancel Enter Y Cancel X in sequence 3 3 5 Keypad Lock Out Switch Lock Out Switch x Keypad Lock Indicator Figure 37 Keypad Lock Out Switch Location Note Ifthe Keypad Lock Out Switch is in the down position towards the Aurora H2O sample system the keypad is locked out and the RED LED on the Keypad Lock Indicator is on all the time WARNING Do not open or remove the cover with the power on unless the area is non hazardous Aurora H20 User s Manual 37 Chapter 3 Operation and General Programming 3 3 6 Accessing the Menus After successfully unlocking the keypad press the Menu key The Aurora H2O will display the Main Menu see Figure 58 below Use the arrow keys to highlight the menu item desired Refer to Menu Map Figure 73 on page 93 Press Enter 4 to select the highlighted item Many menu items will display another menu Use Cancel X to return to
26. Pressure MPa Sample Pressure MPa 5 Vapor Pressure kPa Signal Strength counts Figure 51 Configuration Measurements e Unit String Set this value to the value you want to read plot or datalog Digits of Precision Set a numerical value typically 0 1 2 This sets the resolution of the displayed measurement units to the right of the decimal place 1 e 20 78 would result from a setting of 2 e Read Check this box if you want to show the value in the current Readings pane Plot Check this box if you want to show the value in the Trend Plots graph AND the Trend Tabular Data tab Aurora H2O User s Manual 79 Chapter 5 AuroraView Interface Software 5 5 Using the Main Menus cont Note The other options under MEASUREMENTS are for individual unit types and perform the same function as checking a box under the CONFIG pop up window AuroraVIEW Measurements Alarms Outputs Scans Comm Alarm Config 1 d Plots Tren EILEEN Mae Dew Point F Ld z Plot uus s Dew Point C Second Axis Figure 52 Other MGE Umen Options 2 Click Alarms gt Config This window enables the user to configure the alarm status within the AuroraView application This feature allows you to remotely configure Aurora H2O alarms which are used only with Modbus RTU digital output The AuroraView Alarms are shown below AuroraVIEW File Measurements Alarms Outp Configure Alarms fos 1 Trigger
27. Scan to pec 30 Seconds e w 1 Scan Plots 6 6 4 4 4 l t 6 4 Sn HHS HHHH EEE A HEHEHEHEHE HHHH See l ji I 1 I 1 1600 1800 2000 2200 2400 2600 2800 a o Figure 69 Exporting a Simplified Image Aurora H20 User s Manual 89 Chapter 5 AuroraView Interface Software 5 7 Working with Trend Plots Trend Tabular Data amp Scan Plots cont Trend Plots Trend Tabular Data Sein Plots Click to Save Stan Inberval ticam tay File 30 Seconds HE l 1 Scan Plots Bitenap bmp c Encapeubated Poster pt open de Enhanced Melafile emi a Esport to clipboard r Save tn file Hide arid Figure 70 Selecting Enhanced Metafile Elle Edit View Insert Format Tool Table Window Help Adobe POF Ogle I Q Qvo gt ROGe aH ios 0 Times NewRoman 12 B ZU E X RE j ee O A Figure 71 Pasting an TETUER rm 90 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 7 Working with Trend Plots Trend Tabular Data amp Scan Plots cont Working with Trend Tabular Data you will be able to see data in tabular format as shown in Figure 72 below You can adjust column widths to see data more easily with full titles in the header row Trend Plots Trend Tabular Data Scan Plots Lr un T d zl A r Im a za ID Tm a cr Tl 14 84 14 82 14 81 14 83
28. Select Unit Type EVEN gt 9 consen onstan 20 mA ToDo Backeroune Live Dew Pt C 0 20 mA NONE Ns eo Besos Gas Constant o o Set Output A B or C Select in l Eq DP C Dew Pt F Protocol SES CH4 Offset CH4 Scalar Lower Zero Select Alarm Type RS 232 ES 2a Eq DP F ie 00250 0 PPM i Edit Pressure Cal i e V C iti ote The selection of English or non metric PSlg Set Output A B or C elec measurements is dependent on the Regional Test Value Composition Select Calibration Point Settings from the LOCALE menu The unit Test Network ID Identifier ec EE system choices are SI from the French Le i e 050 00 Out Band Set Node ID 9 9 Systeme International d Unites commonly Set Output A B or C i e 001 Country Code referred to as the metric system or SI US En A Ee Measurement Units Min Max Edit Pressure Value Decimal Format Reset Trim Upper Uni System Pressure Par Yala Enter Line Pressure i e 0000 0000 kPa TET anna a DP C Eq DP C ppec KPa MPa mmHg ate Format mg m PPMv Pw kPa i Bar kg cm Edit Input Value sug All Sl units plus DP F AI SI units plus All SI units plus ee 0000 Td Enter Line Signal Unit System Eq DP F Los MMSF T F DP F PSla PSlg i e 0001 000 mA ese ee ee Figure 73 Programming Menu Map 93 Chapter 4 Programming Advanced Features no content intended for this page Aurora H20 User s Manual 94 C
29. Set Up the Background Gas 4 3 1 Selecting the Type of Gas Beginning with firmware version H20 001 C the background gas is selectable from the Settings Menu For normal operation in natural gas service Methane should be selected as the background gas For verification testing it may be desirable to use Nitrogen with a known moisture concentration In this application Nitrogen should be selected as the background gas Ww Hall Aa The Aurora H20 provides a positive indication if it is operating in Nitrogen mode An 3 2 1 9 E N2 indicator will appear in the upper right corner of the LCD adjacent to the status message m s for Methane operation 1238 1463 To change the type of background gas from the Settings Menu select Gas and press Enter The following screen appears C omms Pressure Adjust Locale CES yaad remi Clock Gas Data From the Gas Data menu select Background and press Enter The following screen Mol Weisht appears ack araund dup us Z Factor Use the arrow keys to select the desired background gas and press Enter The Back around Gas background gas selection is now complete Press Cancel to return to the display page Nitrosen WERE Cancel Aurora H20 User s Manual 55 Chapter 4 Programming Advanced Features 4 3 2 Setting the Gas Composition Note The Gas Composition option is available only if Methane is selected as the Background Gas To set the gas composition
30. ative qua ma oar os 2 SUI cb DC TE 3 P A E E TE 95 A O 6 Pressure Settings Resetting 57 117 Index Programming Advanced Features 49 A T TET 33 Memi MAD e oco dao qun ach nta 93 Q Quick Startup Guide 34 R Resronal Setines lt esr ou ee ok ods Bae wa oe 59 Replacing the Filter Element 7 101 S sample System Operas sima 33 Quick Startup Guide 34 Settings Resina sias dial 59 Site Local s 2 5 ocio 69604 2b A 14 Spare Pats ou Os ho EUR eid p Qsoa hata ass 95 SPeCHICANONS rias 9 Stare UP oue sos det bx Ia e E Bree 30 Stylus Magnetic 36 System COMIPONENIS es gerer dca kd e a ee 4 Information 4x Rd xx ee ets Se ee oe eae 64 T Troubleshooting 105 Blank Display ug et eee cee we 105 Display Dim or Hard to Read 105 No Flow Measurement 107 Status Messages and Indicators 105 Using a Moisture Standard 108 Using a Portable Hygrometer 107 Verifying Performance 107 U pachi asus stesso ace pore SENE AENEA E dad 13 V V rification Periodes cesa ag 2a e o a SER 95 W A A pasu 26 32 118 Wiring Diagram EU ATEX Heater Aurora H20 User s Manual Warranty Warranty Each instrument manufactured by GE Sensing is warranted to be free from defects in material an
31. eg E Nada 52 Ser Up th BOCK GROWING Sets ensem qus tania ex made interdu ga ma sukta gite de terae iturus T Stars dudo ded 53 2L Selecing the Jo 401 OGO u u uuu ona A amaata poate Rim atau OE 53 452 Semi teas COMPOSITION asirio a quias a shu u alas 54 WES Sete d oO abi Eee bim a d bd EE E ed Hed II 54 AS AGING MNOS GOS ONS BE cac u um ete natn e a a E Hae ek MK ca eU EE t e LEE E 55 CIBO SOLL COND N gs epee ec ees ents a eee heen ml 55 OT GROSS NENO nosset ua ys u tee ade Sarit res cet Tas Acc dE LCD quqasqa MAD d RU UNS ES 55 GAZ PRESEN Ren WUC os u L uuu A TEES 56 ALES RESENO the MONT eaa dett bem muneri Gaio Bob Redon Gio lod rie Gaio ira hon so dde ett 56 gu Sese SES A E discas bae Edito te dca MeL ea apan EE E 56 zs RESENO VCO tin cd EL IE E DELL DEEP E kanya 57 PRESSURE SUIS ye lanar idas ridad 57 DM SEUN NE SA EET o ELE DD res hI eae 57 LN A ONG NECN ON 2 u u yu ty cee ceding R AT E AORT GT UE 57 HS Eding Pressure Cal Orn OW ur s rescue te Er Ea TAE a abi 58 pego NN 59 qO Seting thecounty Coda is sido vod smenu dates R Ue baaa deuda LEE E i 59 do Seu Luena OPITIGI uru susu usss usus gatus nazas Vedan um ERU A E Sy Ras 60 4 6 3 Setting the Date Formoat 60 ESA Shed yS EM una ce herd e A e Lp Eh A EREA 60 SCP A E S CT lc E come deed geet SE EI EE N EEEE ME ME I IEEE 61 OO O A O E EE E IN 63 AUora H OONA UO sea ett dates E E m hac UR R a EE A eal 64 a e a s uku
32. not detect any signal from the laser Contact the factory for assistance 0x00010000 Aurora H2O could not detect a signal returned from the sample cell or the signal is below allowed limits Check the mirror for contamination 0x00020000 Aurora H20 has detected a failure in the laser temperature control Contact the factory for assistance 0x00040000 The pressure in the Aurora H20 sample cell is greater than 212 kPa 30 75 psia Verify regulator and flow settings check for blocked vent line or excessive back pressure 0x00000000 The Aurora H20 temperature controller is was set beyond its operating limits Contact the factory for assistance Oxlyyyzzzz Extended Error Code 116 Aurora H20 User s Manual Index A AuroraView Capablanca 69 Datalogging with 85 Install venosa E es e SES 70 Requirements 69 Scit PIOUS ss yu md pusu manus huy ua 86 SP BW ER DS D CORO 71 Trend Plofs dues eros eu ido waste waqasa 86 Trend Tabular Dala 2 dee xb eb died 86 Using Mam MENUS isis oh wh Seed 79 B Bill ot Materials 252 auo mE me SUPR E 13 C Clock RESCUING rro mb ex ou pu S nd 55 Comm Por Sollinesy caca posed tender lasuta d 49 Componefils s 2 Que dw ERU dw a mua p u d a 4 6 CONNCCUONS Seid OO ER ene d ot ds Pee ong d 32 D Detault Display s uou eec NC ME ERE Ae SE 36 Display n Dc HL TTL 105 Dim or Hard to Read 105 Locking Unlocking
33. pam eee be Leta 33 SA PUIS D ETT 33 elo to G l lk SYN ACI EE TER CO TETTE OTT TTE 35 Bd id ICON MINE Se ate u usar tert teresa ieee buatan aus nena eee MM en nee LS ET 36 3 3 2 The Magnetic SIV US 36 555 hee CUM bis DI custos bots uud er pasa tou tmd ue E EE MERI MEE DE kaya osa uma 56 5s WANNA INS OUO rd z soba AO sapakama NOS SS an bisa pus 57 3 3 5 Keypad Lock Out Switch 37 BO essen AL I C u u eee DR TITEL 38 Bos ERES NUNC Val ar cate tebutism A d sere Ord ef ET 38 519 SIN usa s tt emer tutior te Sedo is eid ud Lt S LECT sub apas ka 39 Se HINO OO Ne IO PER RR RO ERE ED uay asss TT T TM MT 39 SL Sel CUO PAMAN B MERERETUR 39 BAe DSSISCUHSHAI oa cua xen Secun mad Dara A A nas Danes ede nubi ao Odcee pada 40 See q 11 eb eine Ku Q s AAA A ETE TL NR 40 zA SSA 40 S sl ON n sence s saus asss s cansa A E nashan napu agenesis 41 DAO REVS SOs amet Em 41 lI Dr O Se ca 22 eae aa ieee E RE bd ees Heirs be eee TTD TETTE 41 35 1 ASIE e DU TOR DOU aa uu a u A EM d EE ES IM 41 2 NE cue GS lia E AA SSS S Sy 42 53 Selec cing air OUTDU TV acacia Sia eO Et asbl a LE Ea iu 42 3 5 4 Changing the Upper Output Span 42 3 55 Changing the Lower Output Span 43 3 00 Mesinge OUD PRETI
34. rate at which AuroraView updates the scan plot To enter a scan interval click on the Click to Save Scans Periodically button and the following screen appears Enter the interval and click on Continue to save or Cancel to reject the change Save Scans Periodically Save Scan Folder Path C Program Files AuroraVIEW Data Scans a G gt File Label Save Scan Interval Minutes l I I I II 10 Continue Cancel Figure 58 Save Scans Periodically 82 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 5 Using the Main Menus cont AuroraYiew File Measurements Alarms Outputs Scans Comm About Serial Number ENG2 Warning Alarmi Alarm2 Alarm 3 le s Reading Interval 2 Seconds Datalog Interval pur 10 Seconds H20 25727 86 PPMv H20 1221 39 Lbs MMSCF H20 10000 00 mg sm Vapor Pressure 2 606875 kPa Dew Point 21 77 C Dew Point 71 18 F Equiv Dew Point 21 730 C Equiv Dew Point 71 12 F Sample Temp 23 82 C Sample Temp 74 87 F Sample Pressure 101 49 kPa Sample Pressure 0 10149 MPa Sample Pressure 14 721 PSIa Sample Pressure 0 02 PSIg Sample Pressure 1 03 kg cm Sample Pressure 761 27 mmHg Line Pressure 101 32 kPa Line Pressure 0 10132 MPa Line Pressure 14 70 PSIa Line Pressure 0 00 PSIg Line Pressure 1 03 kg cm Line Pressure 760 00 mmHg Trend Plots Trend Tabular Data Scan Plots Warnings Click to Save Scan Interval Click to Save Scan to Fi
35. standard for 10 minutes prior to use following the manufacturer s guidelines rolling the cylinder is typical e Use the gas cylinder at the nominal temperature at which the cylinder was tested by the manufacturer Whether using a moisture generator or a standard moisture gas cylinder the source gas should be connected to the Aurora H20 using the PURGE INLET on the analyzer Ensure that the sample gas pressure is regulated to a just barely positive pressure and establish gas flow from the PURGE INLET to the Aurora H2O measurement cell 108 Aurora H20 User s Manual Chapter 7 Troubleshooting 7 7 Background Selection Lockout To prevent accidental selection or tampering the Background menu option can be disabled using a mechanical switch located behind the Aurora H2O display Access to the switch requires removal of the cover and should be performed only in non hazardous conditions Note Unless otherwise requested the Aurora H20 is shipped from the factory with the Background selection unlocked The Lockout switch is positioned to the right of the Laser Indicator see Figure 89 below When the switch is in the UP position the Background Selection menu is unlocked When the switch is in the DOWN position the Background Selection menu is locked m SN Background Selection JO i Q N Lockout Switch shown in unlocked position Y Figure 89 Background Selection Lockout Switch Location Attempting to access the Background
36. time is a matter of a few seconds Photodetector Optical Window Mirror Gas Inlet Gas Outlet Stainless Steel Absorption Cell Tunable Diode Laser lt Hermetically Sealed Housing Figure 1 Laser Absorption Cell Basic Elements The control of the laser power supply and signal conditioning circuitry are housed in an explosion proof transmitter enclosure A backlit three parameter LCD display provides digital indication of user programmable parameters The Aurora H2O has three user programmable 4 20 mA analog outputs and two programmable digital ports that may be configured as either RS 485 or RS 232 with Modbus protocol The analyzer has an auxiliary analog input 4 20 mA input that is used for connection to an optional process pressure transmitter Measurement of the process pressure enables the Aurora H20 to display and transmit the process dew point AuroraView software is provided and enables remote readings programming data logging and data logging with a personal computer The Aurora H20 hygrometer is calibrated against an NIST or other national metrological institute traceable reference dew point generator and hygrometer Each system is supplied with a certificate of calibration with functional test data Aurora H2O User s Manual 3 Chapter 1 Features and Capabilities 1 4 System Components Note Refer to Table on page 6 for part descriptions
37. type from the Alarm Menu select Type and press Enter A screen similar to the following appears Select LIE Fer Status Lower Units Select Alarm Tyre Use the arrow keys to select an alarm type Press Enter to save or Cancel to keep the EBRO previous value and return to the Alarm Menu In Band Dot Band e SetPoint Alarm activates when parameter exceeds upper limit and deactivates when parameter is less than lower limit e Inner Band Alarm activates when parameter is between upper and lower limits e Outer Band Alarm activates when parameter is outside upper and lower limits 3 6 5 How the Alarm Types Work Upper Setpoint Hysteresis Lower In Band Trip Out Band Reset Figure 40 Example of Alarm Types Aurora H2O User s Manual 47 Chapter 3 Operation and General Programming 3 6 6 Changing the Upper Alarm Span Alarm Menu CAI To adjust the upper alarm span from the Alarm Menu select Upper and press Enter A Select EP er screen similar to the following appears Status Lower Units T aP Enter MAX Alm Value Use the left and right arrow keys to select each digit to be changed and the up and down HERH 413 686 arrow keys to increase or decrease its value Press Enter to save or Cancel to keep the 54 880 kPa previous value and return to Output Menu lH c end Y Save X Cancel 3 6 7 Changing the Lower Alarm Span Alarm Menu CA To adjust the lower alarm span from the Alarm Menu sele
38. 25 57 1 1 20 1 75 30 48 44 45 i i 5 60 142 2 Overall Length See Detail A Probe filter regulator assembly Pressure Gauge 0 to 600 psig 2 way ball valve Tube fitting NOTES O 1 Sample Process Connection 3 4 NPTM E 2 Sample Outlet Connection 1 4 Compression Fittings 3 4 NPTM 3 Dimensions are in inches millimeters Detail A Part Probe Overall Number Length Length 750 633 4 00 11 80 750 634 7 00 14 80 750 635 9 00 16 80 750 633 4 00 11 80 750 634 7 00 14 80 750 635 9 00 16 80 Probe Length See Detail A Figure 4 Sample System ref dwg 4733 737 For natural gas a pipeline insertion membrane filter is recommended as shown in Figure 4 above The installation of the insertion filter is described in this manual The insertion filter also is equipped with a pressure regulator which functions to reduce the pressure If it is not possible to install the insertion filter consult GE application engineers for information about a sample conditioning system Aurora H2O User s Manual 7 Chapter 1 Features and Capabilities 1 4 System Components cont THERMOSTAT J1 16 AWG BROWN WIRE 2 STHIP 1 4 P Z LINE gt NEUTRAL 230 VAC 120 VA
39. ACE YOU OBTAINED THEM ALL RETURNS SHALL BE SUBJECT TO NI S THEN CURRENT RETURN POLICY Definitions As used in this Agreement the following terms have the following meanings C accept the License amp greement s f do nat accept the License Agreement s lt Back Cancel Figure 45 Software License Agreement Aurora H20 User s Manual 73 Chapter 5 AuroraView Interface Software 5 5 Installing AuroraView cont 7 The next screen provides instructions for initiating the installation When ready click Next to begin pia AuroraView Start Installation Review the following summary before continuing Adding or Changing Auroraview Files Click the Nest button to begin installation Click the Back button ta change the installation settings Save File zz Back Next gt gt Cancel Figure 46 Starting the Installation 74 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 3 Installing AuroraView cont L Aurora iew Figure 47 Overall Progress Aurora H2O User s Manual 75 Chapter 5 AuroraView Interface Software 5 3 Installing AuroraView cont 8 The following screen appears when the installation is complete E Aurora iew Installation Complete Figure 48 Installation Is Complete 76 Aurora H2O User s Manual Chapter 5 AuroraView Interface Software 5 4 Starting AuroraView 1 From the Start menu click Programs A
40. Alarm Type A o Limit Upper Limit dal l H20 PPMy Jin Band Jo 500000 e yu 2 Trigger l Alarm Type II Lower Limit Upper Limit lI Read Datalo ON Sample Temp C w E fou of Band il 24 26 6 T g i H20 PPMwv Jones of Band u r 10 mem i zo E og a A E gt I I Set Alarm Trigger drop d P Type Limits Datalog Y Apply Changes Set Point I Alarm Toggle Alarms Out of o pone i Condition ON OFF In Band naication On Off see below Figure 54 Other Measurements Options Aurora Y IEW Fie Measurements Alarms E Alarm 1 Alarm 2 Alarm3 Ll Lt Figure 55 Alarm Status Indicators 80 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 5 Using the Main Menus cont 3 Click Outputs Config m dii I File ex Conti J420mA 052 50000 Figure 57 Other Output Options Aurora H2O User s Manual 81 Chapter 5 AuroraView Interface Software 5 5 Using the Main Menus cont 4 Click Scan This section will enable you to pick the type of scan you want to see The default scan is the SPECTRA scan which shows the 2f spectral scan This is the processed signal waveform that the Aurora H2O uses to determine the moisture concentration Viewing this scan may be helpful in certain troubleshooting situations A typical 2f spectra scan is shown in Figure 59 on page 83 You may select the scan interval in minutes This will be the refresh
41. C L1 L2 G GROUND BLUE ENCLOSURE WALL GEMT JUNCTION BOX SHOWN FOR REFERENCE GREEN YELLOW NOTES 1 HEATER USE GE PART NUMBER FROM 227 102 705 1238 01 AND 06 2 DO NOT DAISY CHAIN HEATER WIRING TO OR FROM AURORA ELECTRONICS Figure 5 USA CAN Heater Wiring Diagram ATEX BARTEC JUNCTION BOX GREEN YELLOW CUSTOMER GROUND CABLE FROM ATEX HEATER 7 y CUSTOMER CABLE RED PLUG CUSTOMER NEUTRAL BLUE x NEUTRAL CUSTOMER LINE NOTE 705 1238 02 ATEX HEATER Figure 6 EU ATEX Heater Wiring Diagram 8 Aurora H20 User s Manual Chapter 1 Features and Capabilities 1 5 Specifications 1 5 1 Power Analyzer 100 240 VAC 50 60Hz 10W 18 32 VDC 24 VDC nominal 10W Optional Electrical Heater 120VAC 120W 230VAC 75W 1 5 2 Range Part Per Million by Volume 5 to 5000 ppm Dew Frost Point 65 5 C to 2 6 C 85 9 F to 27 3 F Process Dew Frost Point Process or equivalent dew point frost point by calculatio
42. Display top right If the Information Indicator is lit the instrument is still operating but a message will appear in the Main Display top right with information about the instrument The Keypad Lock Indicator will be lit if either A the Keypad Lock Out Switch internal to the instrument has been engaged or B the instrument keypad has not been used for a period of several minutes engaging a software feature to lock out inadvertent key usage Type B keypad lock out is overcome by pressing Cancel Enter Cancel in sequence If the Laser Indicator is lit the laser is powered and operating normally This indicator will be off if there is a laser specific fault This indicator will also be off for a brief period when the instrument is first powered After initial power up this indicator may blink several times as the laser temperature is stabilized The laser indicator will be lit constantly in normal operation The Power Indicator is normally lit when the instrument is powered 3 3 2 The Magnetic Stylus Each of the keys can be selected using a hand held magnet called a Magnetic Stylus see Figure 35 below which 1s included with the meter By touching the clear window at a key location that key will be selected and will flash a red light to verify the contact Figure 35 Magnetic Stylus 3 3 3 The Default Display Figure 36 below shows the default display of the Aurora H2O window PPM H20 Status Uk 0 03394 2C Saule
43. Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float Double Float 9730 Double Float 9800 Double Float 2 Rs D v O 3 3 O gt olo ae Q D O D z as E also EL D D Ma i O Q C C 73 D O lt D Q 5 5 wo O w co eX S G D o o N OQ N O Q Q O O D D mm mj 5 Q E lt 3 o ce 5 EN 305 O TN gt D Q 114 Aurora H20 User s Manual Appendix A MODBUS RTU RS485 Communications A 3 Modbus Registers cont The Trim Sequence Start Resume Live Output registers for the three outputs address 2100 2200 2300 accept certain values through the Write Multiple Register to trim the output current 1 2 3 4 Write 0 to 2x00 to select the normal mA output proportional to measurement Write to 2x00 to reset the mA output trim to factory defaults Write 2 to 2x00 to output the zero current 4 000 mA and accept a calibration value written to 2x40 Write 3 to 2x00 to output the span current 20 000 mA and accept a calibration value written to 2x50 Note Attempting to write to Trim registers 2x40 2x50 without first writing to Trim State register 2x00 will fail with Modbus exception 4 At the end of calibration write 0 to 2x00 to mak
44. GE Measurement amp Control Moisture Aurora H2O User s Manual I 910 284 Rev F imagination at work October 2013 GE Measurement amp Control Aurora H2O Moisture Analyzer for Natural Gas User s Manual 910 284 Rev F October 2013 WWW ge mcs com 02013 General Electric Company All rights reserved Technical content subject to change without notice no content intended for this page Preface Information Paragraphs e Note paragraphs provide information that provides a deeper understanding of the situation but is not essential to the proper completion of the instructions Important paragraphs provide information that emphasizes instructions that are essential to proper setup of the equipment Failure to follow these instructions carefully may cause unreliable performance Caution paragraphs provide information that alerts the operator to a hazardous situation that can cause damage to property or equipment e Warning paragraphs provide information that alerts the operator to a hazardous situation that can cause injury to personnel Cautionary information is also included when applicable Safety Issues WARNING Itis the responsibility of the user to make sure all local county state and national codes regulations rules and laws related to safety and safe operating conditions are met for each installation Auxiliary Equipment Local Safety Standards The user must make sure that he op
45. H20 User s Manual Chapter 7 Troubleshooting Chapter 7 Troubleshooting 7 1 Introduction The following are possible Aurora H20 analyzer conditions with details on how to deal with them 7 2 Blank Display l Isthe green POWER LED lit a Yes proceed to Step 2 b No Check the wiring and the fuse 2 Are the four arrow keys illuminated a Yes If the keys remain illuminated for more than 12 seconds the Boot Loader cannot find a valid Instrument Program to run b No contact the factory for service 7 3 Display Dim or Hard to Read 1 Adjust the LCD brightness and contrast using the Display Adjust menu 7 4 Status Messages and Indicators 1 The Aurora H2O categorizes status messages as either Faults Warnings or Information Status messages are displayed in the upper right corner of the display Messages that are longer than the message area continuously scroll from right to left 2 Afault is a non recoverable condition that can affect the quality of measurement by the Aurora H2O Fault messages are accompanied by a slow flashing indicator 3 A warning is a recoverable condition that can affect the quality of measurement by the Aurora H2O Warning messages are accompanied by a rapid flashing indicator 4 Information messages alert the operator to a condition that is abnormal but does not affect the quality of measurements Information messages are accompanied by a slow flashing i indicator 5 Au
46. II Destination Directory Select the primary installation directory All software mill be installed in the following location s To install software into a different location s click the Browse button and select another directory Directory for Arar ey MM C Program Files 4urora Utilities Boe x Directory for National Instruments products C Program Files N ational Instruments Browse x z lt Back Next gt gt Cancel Figure 44 Destination Directory 6 The next screen shows the Software License Agreement Select I accept the License Agreement and click Next uN AuraraView License Agreement You must accept the license s displayed below ta proceed NATIONAL INSTRUMENTS SOFTWARE LICENSE AGREEMENT INSTALLATION NOTICE THIS IS A CONTRACT BEFORE TOU DOWNLOAD THE SOFTWARE AND OR COMPLETE THE INSTALLATION PROCESS CAREFULLY READ THIS AGREEMENT BY DOWNLOADING THE SOFTWARE AND OR CLICKING THE APPLICABLE BUTTON TO COMPLETE THE INSTALLATION PROCESS YOU CONSENT TO THE TERMS OF THIS AGREEMENT AND YOU AGREE TO BE BOUND BY THIS AGREEMENT IF YOU DO NOT WISH TO BECOME A PARTY TO THIS AGREEMENT AND BE BOUND BY ALL GF ITS TERMS AND CONDITIONS CLICK THE APPROPRIATE BUTTON TO CANCEL THE INSTALLATION PROCESS DO MOT IMSTALL OR USE THE SOFTWARE AND RETURN THE SOFTWARE WITHIN THIRTY i30 DAYS OF RECEIPT OF THE SOFTWARE INCLUDING ALL ACCOMPANYING WRITTEN MATERIALS ALONG WITH THEIR CONTAINERS TO THE PL
47. NCS NE CN en Use the arrow keys to highlight the desired dew point setting and press Enter The screen returns to the User Adjustments Menu GEM Dew Frozt x Cancel e The Dew calculation should be used for compatibility with ASTM 1142 IGT 8 The tables and calculations in those reports require measurements and provide results in dew point regardless of the actual phase dew or frost The Dew Frost calculation should be used for compatibility with ISO 18453 2004 or when using a chilled mirror apparatus as a check standard 4 2 4 Adjusting the Enh Factor User Ad4ustmenks The Enhancement Enh Factor is used to adjust the calculated Pressure Dew Point PPM Level Equivalent Dew Point in nitrogen for the effects of pressure To select whether an Filter enhancement factor is applied to the dew point calculation from the User Adjustments Dew Pt Calc Menu select Enh Factor and press Enter The following screen appears Enh Factor User Adjustments The Enhancement Enh Factor can be turned OFF or ON as required Enhancement Factor OFF 93 Use the left or right arrow key to select your choice and press Enter The screen returns to the User Adjustments Menu X Cancel Note The Enhancement Factor does not apply when operating in methane natural gas as those calculations are designed to be consistent with the methods described in ASTM D 1142 52 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 3
48. TIGHTEN The housing may be damaged if it is over tightened causing the housing to deform Figure 13 Tightening the Housing Aurora H2O User s Manual 19 Chapter 2 Installation 2 7 2a Installing the Housing cont 4 Turn the locking mechanism clockwise until it first touches the top of the thread o let 5 Turn the locking mechanism counterclockwise until the Allen screw is aligned with the thread slot Using a 1 8 Allen wrench tighten the Allen screw until its tip is tight against the slot DO NOT OVERTIGHTEN THE ALLEN SCREW as this will cause the housing wall to be indented D MO NEM Aa re i Figure 14 Aligning and Tightening the Allen Screw 6 Usinga 3 32 Allen wrench tighten the Allen screws on the locking mechanism s surface until their tips are firmly set into the thread o let s upper surface Figure 15 Tightening the Allen Screws The housing is now installed The locking mechanism should prevent the housing from becoming unintentionally unscrewed from the thread o let The pipeline my now be pressurized 20 Aurora H20 User s Manual Chapter 2 Installation 2 2b Installing the Insertion Membrane Liquid Separator Pressure Regulator Assembly 1 Confirm that the allen cap screw head s hex cavity is clean and free from foreign material Confirm that the allen cap screw that holds the membrane ferrule is torque wrench tight The torque value should be 10 inch lbs If the all
49. Units DutrFut Menu Out A From the Output Menu select Units and press Enter Use the arrow keys to select the Lhooze unit ture unit type and press Enter A screen similar to the following appears Teme Press Cancel Use the arrow keys to select a new unit Press Enter to save or Cancel to keep the previous value and return to the Output Menu 3 5 3 Selecting an Output Type Dutrut Menu L ut Al To change the output type from the Output Menu select Type and press Enter A Select Lower screen similar to the following appears Units Test Teim Use the arrow keys to select a new output type Press Enter to save or Cancel to keep select Qutrut Tyre the previous value and return to the Output Menu A 24mA HLH K Cancel Note Ifthe ALM option is selected in the above menu the analog output will function as an alarm indicator In this mode the analog output will remain at 0 mA during normal operating conditions but the analog output will be driven to 24 mA whenever there is an alarm condition 3 5 4 Changing the Upper Output Span Hutrut Mena Out H To adjust the upper output span from the Output Menu select Upper and press Enter A Select Lower screen similar to the following appears Units Test Fe Trim Set Outreut A Sean Use the left and right arrow keys to select each digit to be changed and the up and down EF anna na arrow keys to increase or decrease its value Press Enter to save or Cancel to k
50. aptop PC in the field running AuroraView software To select a communication port use the arrow keys to highlight Select and press Enter The following screen appears Comm Fort SCADA Select SCADA or SERVICE and press Enter The screen returns to the Comm Port Menu select Comm Port Jj SERWICE a Cance l 4 1 2 Setting the Baud Rate Comm Port SCADA To set the baud rate from the Comm Port Menu select Baud Rate and press Enter The Select Hetwork Ip following screen appears Baug katel Parity Protocol Use the arrow keys to highlight the desired baud rate and press Enter The screen returns to the Comm Port Menu IMPORTANT If you are using version 1A of the Aurora H2O firmware do not select the 1200 or 2400 baud rate Aurora H20 User s Manual 49 Chapter 4 Programming Advanced Features 4 1 3 Setting Parity Comm Port LsCADA1 To set parity from the Comm Port Menu select Parity and press Enter The following Select Hetunrk ID Screen appears Baud Fate Protocol Comm Part SCADA Use the arrow keys to highlight the desired parity and press Enter The screen returns to Select Parita the Comm Port Menu IS ODD HOME Cancel 4 1 4 Selecting Protocol Comm Fort SCALA To choose the protocol from the Comm Port Menu select Protocol and press Enter The Select Hetuork Ip following screen appears Baud Rate Parity Comm Fort SCADA Use the arrow keys to highlight the desired pro
51. are To view the software versions being used from the About Menu select Software ID Versions and press Enter A screen similar to the following appears System Status To return to the About Menu press Enter 1 L PROG Hen 196 H 4 9 4 Checking the Gas Composition To view the gas content from the About Menu select Gas Composition and press ID Enter A screen similar to the following appears System Status Software lerzionz To return to the About Menu press Enter coe 4 0 Aurora H20 User s Manual 65 Chapter 4 Programming Advanced Features 4 9 5 Checking the Alternate Gas Composition The Aurora H20 TDLAS is normally calibrated to a standard gas mixture that is representative of typical natural gas The primary components and concentrations of this gas mixture are Methane CH4 90 0 Nitrogen N gt 6 0 Carbon Dioxide CO For special applications where the composition of the gas to be measured differs significantly from the standard GE can provide an alternate calibration If this service has been ordered the Aurora H20 will be shipped from the factory with both the standard and a custom calibration installed The calibration in use can be verified at any time using the Aurora H2O About menu Display Service From the Main Menu select About and press Enter The following screen appears Outeut Eki Alarm LOCK Settinas About Aurora From the About Aurora menu selec
52. aser temperature stability keypad lockout 1 5 9 Inputs Outputs Analog Outputs Three programmable 0 4 20 mA 500 maximum load Analog Input Loop powered 4 20 mA input for remote pressure transmitter Aurora H2O supplies 24 V DO Digital Interface Two programmable digital communications ports RS 232 and RS 485 with multidrop capability and assignable address Modbus RTU protocol 1 5 10 Enclosure Ingress Protection IP 66 1 5 11 Laser Certification Class 1 product conforms to IEC 60825 1 Edition 2 0 Safety of Laser Products WARNING Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous laser exposure 10 Aurora H20 User s Manual Chapter 1 Features and Capabilities 1 5 12 User Interface Programmable through the glass via magnetic stylus 1 5 13 Weight and Dimensions Net Weight 45 kg 100 Ib Overall Dimensions 34 H x 18 W x 14 D 87 cm x 46 cm x 36 cm see drawings 1 5 14 Hazardous Area Certification USA Canada Explosion Proof for Class I Division 1 Groups C amp D E IS APPROVED EU and Elsewhere ATEX and IECEx Ex de IIB T6 Tamb 20 C to 65 C Flameproof with increased safety compartment 1 5 15 European Certification CE Complies with EMC Directive 2004 108 EC Low Voltage Directive 2006 95 EC and Pressure Directive 97 23 EC for DN 25 1 5 16 Calibration Recommended factory Verification Service Fiv
53. ated to the partial pressure At certain specific frequencies light energy will be absorbed by water molecules As the concentration of water increases the absorption also increases The Aurora H20 sweeps the diode laser output across a narrow band in the near infrared spectrum and by measuring the light intensity with a photo detector 1s able to provide a direct indication of the partial pressure of water The partial pressure multiplied by 10 and divided by the total pressure yields the volume ratio in ppm parts per million by volume The laser diode is housed in a hermetically sealed and dry housing The light is transmitted through a window made of proprietary transparent material The light travels through a stainless steel cell and is reflected off a gold plated mirror and returned to a photo detector where the light intensity is measured 2 Aurora H20 User s Manual Chapter 1 Features and Capabilities 1 3 Theory of Operation cont Since only light comes in contact with the sample of natural gas and all of the wetted materials are made of non corrosive and inert materials this technology does not exhibit the drift associated with gas contacting sensor based hygrometers The diode laser emits low energy light and therefore the system will not ignite the gas The complete system is rated explosion proof and the Aurora H2O provides very fast response time Once the absorption cell see Figure I below is purged the response
54. atus item 4 8 Service Settings CAUTION The Service Settings Menu should be used by factory trained personnel only Aurora H2O User s Manual 63 Chapter 4 Programming Advanced Features 4 9 Aurora H20 Information To check the Aurora H2O information from the Main Menu select About and press Disklas Service Enter The following screen appears Outeruts Alarm LOCK Settings 4 9 1 Checking the ID About Aurora To check identification information select ID and press Enter A screen similar to the TE following appears System Status Software lerzionz Gas Composition To return to the About Menu press Enter GE Sensing Hurara Hat CorFYyrisht 2445 General Electric Co Unit SH Laser SH Unknown 4 9 2 Checking the System Status About Aurora To view the status of the Aurora H20 system from the About Menu select System Status and press Enter A screen similar to the following appears Software Gas Composition Uptime is the elapsed time since the Aurora H2O was powered on or reset Started is the date and time that the Aurora H2O was last powered on reset Sod ele C Start Temp is the laser housing temperature as measured at the last startup reset Laser Hours 1399 Laser Hours indicates the total lifetime that the laser has been energized To return to the About Menu press Enter 64 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 9 3 Checking the Softw
55. can Plots cont 2 If you right click on any series of data within the graph or you click on the current parameter being trended item in the legend you will see a variety of options for graphing data You can change to a variety of common plots and adjust color line style and line width For some data sets with lots of finite points you may want to click Anti Aliased which will smooth the plot line You can also change bar plots fill base line interpolation and point style X Scale adjusts the x scale Y Scale adjusts the y scale and enables the secondary y axis d ico wal Common Plots Color Line Style b Line width Anti Aliased Bar Flots Fill Base Line Interpolation Point Style x Scale Y Scale Figure 64 Options for Graphing Data 3 There is a series of Graph Tools available at the top left of the trend plot area e Pointer Zoom Tool gives you six options as shown in Figure 66 Zoom X axis Y Hr Zoom window 0 Zoom Y axis k Zoom all ENE e Zoom in Zoom out Figure 66 Zoom Tool e Hand Tool Enables you to graph the trend plot area and move it around without rescaling Aurora H2O User s Manual 87 Chapter 5 AuroraView Interface Software 5 7 Working with Trend Plots Trend Tabular Data amp Scan Plots cont 4 Copying and Pasting a Trend Plot can be done from AuroraView One way to do this quickly is to simply right click over the data area and choos
56. cing of the sample line and sample system components sufficiently above both the water and hydrocarbon dew point will keep the sample in the gas phase To replace the filter element complete the following steps l Close the inlet isolation needle valve and allow the system to fully depressurize 2 Turn the filter cap counter clockwise see Figure 82 below You might need to use a channel lock wrench to assist in loosening the cap Figure 82 Removing the Filter Cap Aurora H2O User s Manual 101 Chapter 6 Maintenance 6 4 Replacing the Filter Element cont 3 Place the filter cap on a horizontal flat surface filter side up 4 Carefully remove the large O ring Note Because the O rings are reused replacement O rings are not included in the maintenance kit Figure 83 Orient the Filter Cap and Remove the Large O Ring 5 Remove the white membrane filter element and the membrane backing plate Figure 84 Remove the White Filter Element and the Backing Plate 102 Aurora H20 User s Manual Chapter 6 Maintenance 6 4 Replacing the Filter Element cont 6 Remove the small O ring Figure 85 Remove the Small O ring 7 Using a tissue clean the filter components Figure 86 O Rings Membrane Filter and Backing Plate Removed 6 Re assemble the filter and reinstall the cap hand tight Aurora H2O User s Manual 103 Chapter 6 Maintenance no content intended for this page 104 Aurora
57. cond vertical slot At this point the foot valve opens and the insertion process is complete Figure 22 Tightening the Insertion Nut 24 Aurora H20 User s Manual Chapter 2 Installation 2 7 3 Setting the Pressure Note Perform these steps only after the entire system has been plumbed including the Aurora H2O 1 Ensure the inlet sample gas isolation valve on the Aurora H2O sample system is closed Open the isolation ball valve at the Optional Pipeline Insertion Membrane Liquid Separator Pressure Regulator 2 Turn the pressure adjustment screw clockwise to increase the pressure The optional pipeline insertion membrane liquid separator pressure regulator is the FIRST STAGE pressure reduction of the system when used Depending upon your source pressure you should step down the pressure to a value in the range given in Table 2 below Table 2 Pressure Settings Pressure Adjustment Nh Pressure Figure 23 Turning the Pressure Adjustment Screw 3 Tighten the lock nut down to the top of the pressure regulator to avoid future possible changes in pressure regulator setting once the pressure is set Aurora H2O User s Manual 25 Chapter 2 Installation 2 8 Making Electrical Connections Refer to Figure 32 on page 32 for wiring connections 1 Aurora H20 has three 34 NPT conduit inlet ports for power and I O These will normally be shipped plugged from the factory Follow the applicable wiring code and requiremen
58. ct Lower and press Enter A Select Uprer screen similar to the following appears Status Lower Units TYFE Enter MIH Alm Value Use the left and right arrow keys to select each digit to be changed and the up and down HERH 413 655 arrow keys to increase or decrease its value Press Enter to save or Cancel to keep the SA AAA kPa previous value and return to Output Menu lH c end e Bus X Cancel 48 Aurora H20 User s Manual Chapter 4 Programming Advanced Features Chapter 4 Programming Advanced Features 4 1 Comm Port Settings To access the communication port settings from the Main Menu select Settings and DisrPlas Seruice press Enter The following screen appears Ootruts About Alarm LOCK PSEC To access the communications port settings select Comms and press Enter The Comm Pressure following screen appears Adjust Locale Gas REF eb Yen Clock 4 1 1 Selecting a Comm Port Comm Fort SCADAJ There are two physical comm ports in the Aurora H20 Comm Port 1 is aligned to Select Hetwork ID SCADA in the instrument program and Comm Port 2 is aligned to SERVICE This setup Baud Rate enables the user to have Comm Port 1 set up for the primary digital output for example Parity RS 485 to the customer SCADA system and Comm Port 2 to be used for service for Protocol example to enable a service engineer to interface with the Aurora H20 using an RS 232 cable connected to a l
59. cting Alarm Status Alarm Menu AI To select the alarm status from the Alarm Menu select Status and press Enter The Select following screen appears Po tT Units TYFEe Alarm Menu A Use the arrow keys to select OFF or ON and press Enter The display returns to the Set Alarm Status Alarm Menu Mia OH a Cance l 3 6 3 Selecting Alarm Units Alarm Menu LA To select alarm units from the Alarm Menu select Units and press Enter Use the arrow Choose unit tyre keys to select the unit type and press Enter Hu ro Eile Fress K Carnce Select Alarm A Units If Hygro was selected this display appears Use the arrow keys to select a unit Press HAMMES Dew Pt C Enter to save or Cancel to keep the previous value and return to the Alarm Menu Lbz MhMSCF Dew Ft F mam Hed E3 DP C Pw kPa Ea DP F Select Alarm A Unite If Temperature was selected this display appears Use the arrow keys to select a unit Teme LC Press Enter to save or Cancel to keep the previous value and return to the Alarm Menu Dew Pt C Deu Pt F Alarm Menu TAI If Pressure was selected this display appears Use the arrow keys to select a unit Press Enter to save or Cancel to keep the previous value and return to the Alarm Menu Sample TIT x Lancel 46 Aurora H2O User s Manual Chapter 3 Operation and General Programming 3 6 4 Selecting an Alarm Type Alarm Menu Cal To change the alarm
60. d workmanship Liability under this warranty 1s limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Sensing Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE Sensing determines that the equipment was defective the warranty period 1s e one year from delivery for electronic or mechanical failures one year from delivery for sensor shelf life If GE Sensing 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 Sensing 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 or merchantability and fitness for a particular purpose and warranties arising from course of dealing or usage or trade Return Policy If a GE Sensing instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE Sensing 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 Sensing will issue a RETURN AUTHORIZATION NUMBER RAN and shipping instructions for the return of the instrument
61. dicated on Aurora H20 Measurement Cell Outlet Check to make sure that the outlet of the Aurora H2O is venting to atmospheric pressure Ensure that the sample system valves are configured correctly and that the Aurora H20 internal pressure regulator is capable of a barely positive pressure setting Check Replace the filter element in the coalescer filter as detailed in Chapter 5 Maintenance 7 6 Verifying Aurora H2O Performance in the Field There are two methods for verifying the performance of the Aurora H20 in the field The first method is to use a portable hygrometer such as GE s PM880 portable hygrometer The second method is to use a moisture generator or standard gas cylinder 7 6 1 Using A Portable Hygrometer One quick spot check that can be done that is relatively easy to do and requires minimal set up time and no consumables is to use a second hygrometer GE recommends using a PM880 Portable Hygrometer for this requirement with a recently calibrated Aluminum Oxide Moisture Probe Figure 87 PM880 Portable Hygrometer The PM880 can be connected to the outlet of the Aurora H20 analyzer using the portable sample system with the aluminum oxide moisture probe to verify the system The response time of the portable hygrometer is limited as the sensor is typically exposed to air during movement to the sample point So it is recommended that the sample gas remains flowing through the portable sample system on the sample outlet of the Au
62. dures other than those specified herein may result in hazardous laser exposure 3 2 Sample System See the instructions below and Figure 33 on page 34 to operate the Aurora H2O sample system 3 2 1 Startup Start with all valves In closed position and the pressure regulator turned fully counter clockwise Turn the Sample Purge 3 way ball valve to point towards the sample needle valve Sample Inlet gas pressure should be 400 psig 2760 kPa 1 2 3 4 Confirm that there are no pressure restrictions downstream of the sample outlet flowmeter S Open the inlet 1solation needle valve 6 Crack the bypass valve 4 turn to establish coalescer bypass flow fast loop Establish a flow rate of approximately 10x the sample flow through the bypass 10 SCFH 5 LPM nominal The gas from this vent can be piped to a process or flare Turn the pressure regulator clockwise until the pressure gauge reads approximately 3 5 psig 8 Open the sample needle valve until the flowmeter reads 30 SLPH 1 SCFH 3 2 2 Shut Down 1 Close the inlet isolation needle valve 2 Turn the pressure regulator fully counter clockwise 3 Close the sample needle valve 4 Close the bypass needle valve 3 2 3 Purge 1 Hook up the purge gas 2 Regulate the pressure externally to 3 5 psig 3 Turn the sample purge 3 way ball valve towards the purge inlet 4 Crack the purge inlet needle valve to set the to 30 SLPH 1 SCFH Aurora H2O User s Manual 33
63. e 29 Pressure Transmitter Connections IMPORTANT Use of an external pressure transmitter is not covered by the Aurora H2O hazardous area certifications The external pressure transmitter should be suitably rated for the area classification Its associated wiring should be done in accordance with local codes and regulations and suitably rated for the area classification 8 Ifthe Aurora H20 has been supplied with an optional electrical heater there are two possible configurations USA CAN or EU Connect the AC power using a separate conduit from the power for the Aurora H20 analyzer The heater is equipped with a thermostat preset to 25 C 77 F nominal Use 12 18 AWG 3 3 0 82 mm wires The heater terminals are located within a junction box item 15 in Figure 2 on page 4 or Figure 3 on page 5 Aurora H20 User s Manual 29 Chapter 2 Installation 2 8 Making Electrical Connections cont 9 Lastly the Aurora H2O analyzer requires a connection to ground from the electronics explosion proof flame proof enclosure There are two external ground connections available for the user on the left and right hand sides of the enclosure Wire this connection to earth ground local to the Aurora H2O analyzer installation site Figure 30 Earth Ground Connection 50 Aurora H20 User s Manual Chapter 2 Installation pet 15 66 10 92 1 622 7 13 08 125 9 29 YP gt 3 18 TYP
64. e Aurora H2O exit trim mode Aurora H2O User s Manual 115 Appendix A MODBUS RTU RS485 Communications A 4 Modbus System Status Codes Table 6 below lists the System Status codes and descriptions It is possible for multiple status codes to be present the hexadecimal values represent the bit set for a given condition Table 6 System Status Codes 0x00000020 The temperature inside the electronics module exceeds 85 C The laser is powered off until the temperature drops below 80 C 0x00000040 The temperature transducer is operating out of limits is disconnected or has failed 0x00000080 The internal sample pressure transducer is operating out of limits is disconnected or has failed 0x00000100 The external line pressure transmitter is operating out of limits is disconnected or has failed Occurs if source of the line pressure measurement is set to Live and no pressure transmitter is attached 0x00000200 Power supply under voltage 0x00000400 System ground fault 0x00000800 The temperature of the laser is not stable This warning occurs briefly at power on as the Aurora H2O sets the correct operating temperature The laser is powered off until the temperature has stabilized 0x00001000 Aurora H2O has reached the limit for adjusting the signal gain Contact the factory for assistance 0x00002000 Aurora H20 has reached the limit for adjusting the laser power Contact the factory for assistance 0x00004000 Aurora H2O could
65. e Copy In another application like Microsoft Word simply paste Trend Plots Trend Tabular Data ran Plots Click to Save Scan Interval Scan to File 30 Seconds HE scan ptots 6 6 A amp 2 3 Sih 5 4 Si g a alt iA 42 4 3H 3 5 34 3 7 Smooth Updates 2 0 Export Simplified Trage o oe oe 2 4 22 J i L5 LA 1 2 Jf Autpiscale X 0 m 27 I 1 1 A 1 1 L L I LI L I A Li 1 1 00 400 INI 000 1000 1200 1400 160 1000 2000 2200 2400 2600 20K 3000 120 3400 3600 m lir al Docurnent1 Microsoft Word l 3 File Edit View Insert Format Took Table Window Help Adobe PDF D ck Edi BAY Phat SS WEBEDIGSMAARE Tix lt B ha Normal Tin s NewRoman 12 E EE R 3M Pt D 2 A Figure 68 Pasting a Trend Plot 88 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 7 Working with Trend Plots Trend Tabular Data amp Scan Plots cont Another option is to right click and chose the option Export Simplified Image When you do this a variety of image file formats will appear A good universal option is Enhanced Metafile Pasting an enhanced metafile will give you the ability to paste an Image with an inverted color scheme as shown in the second example posted Into Word see Figure 71 on page 90 Trend Plots Trend Tabular Data Scan Plots mpm pec to Save Scan Interval Click to mpm
66. e ce he caeca ee ad PATI OI D ESAME LEE AER M ETE 105 Ed Status Messages Gnd giegiOrSu uu usu n ipie teo e E EEIdO Dep ME E eerta dE DEM a EE 105 7 5 No Flow Measurement Indicated on Aurora H20 Measurement Cell Outlet 107 7 6 Verifying Aurora H2O Performance in the Fleld 107 7 6 1 Using A Portable Hygrometer 107 O WWSinGve Moisture Standard sip cect cacao extet rud 108 E Background election cosacos oup sunak kapu M c D o du oasis 109 Appendix A MODBUS RTU RS485 Communications Ps AUO UO ee idea i poit bibet abt d adiit ben diis os dd iia oed os xr 111 ALe Modbus TUlctiops ana Data TYPES ee xus ecsde ARS sais iege pede TII A WOODS ROO Srs rd e Pen Aas ens ne IM de Ad RM IM A caza 112 A 4 Modbus System Status Codes 116 viii Aurora H20 User s Manual Chapter 1 Features and Capabilities Chapter 1 Features and Capabilities 1 1 Overview GE s Aurora H20 Moisture Analyzer for Natural Gas makes it possible for natural gas processing and transportation facilities to monitor moisture content in real time with high precision and reliability The Aurora H2O analyzer uses tunable diode laser absorption spectroscopy TDLAS to measure moisture in natural gas at the speed of light The analyzer 1s suitable for installation in hazardou
67. e or decrease its value Press Enter to save or Cancel to keep the previous value and return to the Output Menu Check your output wiring If the reading on your SCADA or DCS is off slightly then you may use the Trim feature to trim the output zero or span Aurora H20 User s Manual 43 Chapter 3 Operation and General Programming 3 5 7 Trimming the Outputs The Trim Menu enables the operator to compensate for differences in measurement of the 0 4 20 mA outputs by connected recorders or SCADA equipment To trim the output DutEut Menu Out AJ Select Trim from the Output Menu and press Enter The following screen appears Select Lower Units Test SFe Uu Urrer Trim Menu Out A To select an output to be trimmed highlight Select Trim Output and press Enter The elect Trim Duteut following screen appears Reset Trim O Trim Menu Out A Use the left and right arrow keys to select an output A B or C and press Enter The Select Trim Outeut screen returns to the previous display Eb C Cancel Trim Menu Out A When performing a Trim operation the Aurora H20 unit requires you to first reset the Select Trim Guteut trim To reset the trim output highlight Reset Trim and press Enter The following screen appears Trim Menu Out A Use the left or right arrow keys to highlight YES and press Enter This cancels any Reset Out A Trim previous trim values and returns the Aurora H20 to its factory adjustment The display
68. e years 1 5 17 Software Displays all key parameters Provides time base graphing data logging ability export data as ASCII text Software has lockout passcode 1 5 18 Sampling System Integrated sampling system to filter out physical contaminants remove glycol carry over control temperature condition regulate pressure and flow rate Optional thermostatically controlled heater 1 5 19 Wetted Components 316 316L stainless steel for tubing and fittings Other wetted components such as the optical window and mirror are proprietary materials and are compatible with natural gas and typical contaminants found in natural gas Other sample system components wetted parts include PTFE PFA Inconel Hastelloy PVDF glass Viton Aurora H20 User s Manual 11 Chapter 1 Features and Capabilities no content intended for this page 12 Aurora H20 User s Manual Chapter 2 Installation Chapter 2 Installation 2 1 Introduction The Aurora H20 analyzer provides direct indication of moisture concentration in natural gas Temperature and pressure sensors are used to provide high precision enhancement It may be installed in a wide variety of environmental conditions and meets the requirements for operation in hazardous areas Be sure that the ambient temperature is at least 10 C higher than the maximum dew frost point temperature you expect to measure This will ensure that you will not have liquid condensation in the sample transport li
69. ed The internal sample pressure transducer is operating out of limits is disconnected or has failed The external line pressure transmitter is operating out of limits is disconnected or has failed Occurs if source of the line pressure measurement is set to Live and no pressure transmitter is attached The temperature of the laser is not stable This warning occurs briefly at power on as the Aurora H2O sets the correct operating temperature The laser is powered off until the temperature has stabilized Aurora H20 has reached the limit for adjusting the laser power Contact the factory for assistance Aurora H20 could not detect any signal from the laser Contact the factory for assistance Aurora H20 could not detect a signal returned from the sample cell or the signal is below allowed limits Check mirror for contamination Aurora H2O has detected a failure in the laser temperature control Contact the factory for assistance The pressure in the Aurora H20 sample cell is greater than 212 kPa 30 75 psia Verify regulator and flow settings check for blocked vent line or excessive back pressure The Aurora H20 temperature controller is was set beyond its operating limits Contact the factory for assistance Aurora H20 has detected a fault condition that has no associated status message Contact the factory for assistance Aurora H20 User s Manual Chapter 7 Troubleshooting 7 5 No Flow Measurement In
70. ee ones a E EN da 10 Mox E co EE PEE E EE E A ss tsar os as E T E EE EE EA ea T 10 LESO IMS OC ue peep mar end EE AEA E e e ats teins e II eee ee 10 POA Oc Wer RENE REUS RU EL DT E E E S 10 F l tacerea GU OI aa a a a a e E E E D EE ME CDU 10 A Ss E NETT T E TEL E Oe oo EA ae 11 15 15 WEI ONMEDA as er aM Srna ao a RE ue s 11 LSTA Hazardous Arca Cent GOON iaa priori 11 o OMe ei C qui ic qina uyu aia uay a os ratos ia 11 Fo CODI I O Re EE EE EET m up 11 je SO RTT STU UP 11 F SCION t RR EUER TETTE 11 L O Wened CO PONS eee Ne ne a eon aU rene eg E LA gr RE Da Qu MU ine 11 Chapter 2 Installation COI e NN ps TETTE I TIS 13 SP o CO AE N TT 13 MOG ia A A TU C m 13 Gnoosingd ste Tob Iris ONO MON 222 22 inde em Geo Uode Geb ix A 14 RO cols DISC IOS su set LUE LEE LEM ae ue MURAT EM EE 16 MOUMUMNO dies conte tea eee A A Aa 16 Optloriol irisertion Probe ReOUIIEOR uua crassa be t ee pee ma Heater newer m rete t tuit alka 17 eus WSS MOO Sac diante 17 A TA TO e EA E E EEN E E a oa eee S EEN 17 24 5 Sergius PES A II O 25 Making Electrical Gia ala eno qc AAA O T a aE E 26 2 8 Chapter 3 Operation and General Programming gx Using ABO D armario qiue Gotta Gud aida dudetta dad etd ded Ost dd dud dd dC dude Mis 33 Aurora H2O User s Manual V Contents 3 2 5 5 5 4 5 5 5 6 Vi GI SUE NETER EEEE II alee sein LI M MA E a E E IE 3 5 T Q diccrc V r ES 33 CIL SUM D Wu an u eA ai nce ty ge eee Dae ene EN usupa
71. eep the 66196 ae PP Hed previous value and return to Output Menu HH 6 58 Y Sayve x Lancel 42 Aurora H20 User s Manual Chapter 3 Operation and General Programming 3 5 5 Changing the Lower Output Span Hutrut Mena Out A To adjust the lower output span from the Output Menu select Lower and press Enter A Select Tower screen similar to the following appears Units Fe LrErFer Set utrut H Zero Use the left and right arrow keys to select each digit to be changed and the up and down GFR S0006 ma arrow keys to increase or decrease its value Press Enter to save or Cancel to keep the AAA we PPM Heo previous value and return to Output Menu iH 0 05 e S53Ne X Cancel 3 5 6 Testing the Output Dutrut Menu Out A The Test Menu causes the Aurora H20 to generate a 0 or 4 20mA output at the percent Select Lower of scale selected For example in 4 20 operation 0 4mA 50 12mA 100 Units 20mA This allows the proper function of recording or SCADA equipment to be Tufe Trim verified In 0 20 operation 0 OmA 50 10mA 100 20mA LUrrer Unteot H Test Value To test system output from the Output Menu select Test and press Enter The Aurora SERI 115 H20 will proceed to check the settings and a screen similar to this display will appear 050 88 x l MZH 25 68 Use the left and right arrow keys to select each digit to be changed and the up and down f tawe W Cancel arrow keys to increas
72. en cap screw is only hand tight the screw may protrude excessively which could result in foot valve actuation when the probe is installed into the housing Allen Cap Screw Figure 16 Checking Tightening the Allen Cap Screw 2 Rotate the pressure adjustment screw on the pressure regulator fully counterclockwise until it rotates freely Close the isolation ball valve Pressure Adjustment Screw Pressure Gauge Isolation Ball Valve Figure 17 Rotating the Pressure Adjustment Screw Aurora H2O User s Manual 21 Chapter 2 Installation 2 7 20 Installing the Insertion Membrane Liquid Separator Pressure Regulator Assembly cont 3 Position the membrane end of the probe above the installed housing Slowly lower the probe into the housing Avoid membrane contact with the upper section of the housing DO NOT APPLY DOWNWARD FORCE The probe should slide easily into the housing Lower the probe only enough to thread the insertion nut one complete turn of thread engagement A Insertion cw Nut Vertical gg Insertion lt D 3 e d c 5 D Slot AM Washer Y Second Bai Membrane j Vertical Ts Housing ERE Md Slot ra Housing uar T ud x m A a x EN J R Figure 18 Installing the Probe 4 Thread the insertion nut down by hand lowering the probe until the insertion washer pins slide to the bottom of the first vertical slot Note The threaded nut on the housing ensures that
73. erates all auxiliary equipment in accordance with local codes standards regulations or laws applicable to safety Working Area WARNING Auxiliary equipment may have both manual and automatic modes of operation As equipment can move suddenly and without warning do not enter the work cell of this equipment during automatic operation and do not enter the work envelope of this equipment during manual operation If you do serious injury can result WARNING Make sure that power to the auxiliary equipment is turned OFF and locked out before you perform maintenance procedures on the equipment Qualification of Personnel Make sure that all personnel have manufacturer approved training applicable to the auxiliary equipment Personal Safety Equipment Make sure that operators and maintenance personnel have all safety equipment applicable to the auxiliary equipment Examples include safety glasses protective headgear safety shoes etc Unauthorized Operation Make sure that unauthorized personnel cannot gain access to the operation of the equipment Aurora H2O User s Manual iii Preface Environmental Compliance Waste Electrical and Electronic Equipment WEEE Directive GE Measurement amp Control is an active participant in Europe s Waste Electrical and Electronic Equipment WEEE take back initiative directive 2002 96 EC The equipment that you bought has required the extraction and use of natural resources for its producti
74. following screen appears Hu ro Eile Fress K Carnce Use the arrow keys to highlight the desired unit and press Enter The screen returns to the Display Menu Use the same procedure to change other units 3 4 3 Setting Decimal Places To set the decimal places for unit values from the Display Menu use the arrow keys to Set Decimal for highlight Decimal and press Enter Then select the type of display and press Enter DEDERE Alti Alte TEE The decimal places setting determines the number of digits displayed for the value to ee x ariel the right of the decimal symbol if possible Set Ea DP F Format Use the arrow keys to change the number of decimal places and press Enter or press EPS Cancel if no changes are necessary The screen returns to the Display Menu 1 decimalz EE u Y Save M Cancel 3 4 4 Data Scan DisrPlau Menu To toggle the display between showing the numeric values data and a graphic plot of Primary Weera the 2f waveform scan from the Display Menu use the arrow keys to highlight Blt i Bdiust Data Scan and press Enter A screen similar to the following appears Alt 2 Reverse Decimal Note The scan can be used for diagnostic purposes when a PC with AuroraView is not readily available 40 Aurora H2O User s Manual Chapter 3 Operation and General Programming 3 4 5 Adjust To modify the display contrast and brightness from the Display Menu use the arro
75. hapter 6 Maintenance Chapter 6 Maintenance CAUTION CLASS 1M INVISIBLE LASER RADIATION WHEN OPEN DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS WARNING Use of controls or adjustments or performance of procedures other than those specified herein may result in radiation exposure that is more hazardous than specified 6 1 Spare Parts Table 3 Aurora H2O Spare Parts List NR esecwewihroomisens CS 213230 amies A Mose Wwe E Pr e A038 tens ise ke A 46508 replacement Membrane Fiter Elements 5 moz Alen Wrench ME 240 200 Alen Wen BEA S40046393 smalScraw Dres fa 4546 eines A Pbl re er ej a 6 2 Recommended Factory Verification Period Aurora H20 technology is designed for long life without calibration There are no wetted sensing surfaces which might degrade over time due to direct sample gas contamination The optical components are designed to be stable over the span of many years GE recommends that Aurora H20 analyzers may be returned to the factory for verification on a five 5 year periodic basis GE will inspect clean replace filter elements and calibrate the unit to traceable standards as part of the factory service for Aurora H20 analyzers 6 3 Cleaning the Mirror The Aurora H20 analyzer may provide the message Weak Signal Return Check Mirror on the top line of the display along with the red light to the left of the main display If this occurs
76. if all other safety procedures are disregarded it is mechanically impossible to remove the probe Insertion Nut Insertion Washer Figure 19 Threading the Insertion Nut 22 Aurora H20 User s Manual Chapter 2 Installation 2 7 20 Installing the Insertion Membrane Liquid Separator Pressure Regulator Assembly cont 5 Rotate the probe counterclockwise until the pins are to the far right in the horizontal slot At this point the probe is sealed against the housing interior wall The pins will be in the middle of the second vertical slot Figure 20 Rotating the Probe 6 Loosen the insertion nut until it is above the top of the second vertical slot The probe should not rise to the top of the second vertical slot If the probe rises in the slot the foot valve o ring may have been damaged or attacked by the process Note The threaded nut on the housing ensures that if all other safety procedures are disregarded it is mechanically impossible to remove the probe Perform the next step regardless of the status of the foot valve o ring Figure 21 Loosening the Insertion Nut Aurora H2O User s Manual 23 Chapter 2 Installation 2 7 20 Installing the Insertion Membrane Liquid Separator Pressure Regulator Assembly cont 7 Tighten the insertion nut by hand until it is against the insertion washer again Using a wrench tighten the insertion nut against the insertion washer so that the pins are at the bottom the se
77. ions on the User Calibration Menu include these functions Item Purpose User specifies the water concentration in PPMv of the Zero or dry gas User specifies the water concentration in PPMv of the Span or Cal Wet gas The Aurora H2O will read the signal while exposed to the Zero gas Read Span The Aurora H2O will read the signal while exposed to the Span gas then determine the CH4 Offset and Scalar calibration values CH4 Offset Permits the user to view edit the calculated offset term CH4 Scalar Permits the user to view edit the calculated scalar gain term Cal fero Gast First select the Zero Gas and Span Gas items to specify the cal gases to be used The iF 56 6 zero gas must be in the range of 0 0 to 50 0 PPMv water It is recommended that the 15 68 PPHu zero gas be 10 0 PPMv or higher for best results The Span gas must be in the range of 0 0 to 5000 0 PPMv water It is recommended that the Span gas be 500 0 PPMv or lH 4 6 sese wspsmesl lower for best performance Cal Sean Gas Apply the Zero gas and wait for the Aurora H2O reading to stabilize ERE 5888 8 aeg El FFHu lH 166 6 Y Save M Cancel Fead Zero Gas Note The user can exit to the display and return to the User Cal Menu without affecting 1392 Complete the Calibration procedure When the reading is stable select Read Zero The Aurora H20 performs multiple 1HH Complete measurements for approximately 15 seconds indicating its progress When the reading
78. keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the Clock Menu Aurora H20 User s Manual 55 Chapter 4 Programming Advanced Features 4 4 2 Resetting the Minutes hu 171572009 63 39 To reset the minutes from the Clock Menu select Minutes and press Enter The following screen appears Set Minutes 6 59 Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the Clock Menu 4 4 3 Resetting the Month hu 115 2609 08 33 To reset the month from the Clock Menu select Month and press Enter The following Hour screen appears Minutes Set Month 1 12 Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the Clock Menu 4 4 4 Resetting the Date hu 1 15 2889 62 33 To reset the date from the Clock Menu select Date and press Enter The following Hour screen appears Minutes Set Date Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the Clock Menu Y Save x Lancel 56 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 4 5 Resetting the Year
79. lator can be installed only on depressurized lines There is no hot tap installation for this device This procedure is broken down into two steps Installing the Housing e nstalling the Insertion Probe Regulator Assembly Aurora H2O User s Manual 17 Chapter 2 Installation 2 7 2a Installing the Housing The housing as shown in Figure 10 below is supplied with a Locking Mechanism to ensure that housing can only be removed intentionally Vertical Set Screws Locking Mechanism Horizontal Set Screw Horizontal Set Screw Foot Valve Locking Mechanism Figure 10 Installing the Housing and Locking Mechanism 1 Turn the locking mechanism counter clockwise until it is at its extreme upper position Apply thread sealant to the threaded area below vertical slots in the threads Do not allow the thread sealant to enter the slot as it may interfere with the mechanism Thread Sealant Figure 11 Applying Thread Sealant 18 Aurora H20 User s Manual Chapter 2 Installation 2 7 2a Installing the Housing cont 2 Confirm that the pipeline has been depressurized Insert the housing into the pipeline through a 34 NPTF thread o let The minimum ID of the thread o let is 0 91 Housing 34 NPTF Thread O Let Figure 12 Inserting Housing into Pipeline 3 Using a wrench on the wrench flats turn the housing until it is secure and sealed This will require between three and five turns DO NOT OVER
80. le 120 Seconds Scans Periodically HB w j Scan Plots 6 6 6 4 6 2 6 5 8 5 6 5 4 5 2 5 4 8 4 6 4 4 4 2 4 3 8 3 6 3 4 da 3 l 2 8 2 6 2 4 22 2 1 8 1 6 1 4 1 2 1 0 8 0 6 I 1 110 120 130 Save Scan Interval 1 140 I 150 1 160 10 Minutes 1 Spectra 1 1 1 170 180 190 Figure 59 Scan Plot Tab Aurora H2O User s Manual 85 Chapter 5 AuroraView Interface Software 5 5 Using the Main Menus cont 5 Click Comms This window enables you to configure communication options If you have more than one Aurora H20 on your network you will have to establish different NETWORK ID s for each analyzer using the main keypad on the Aurora H20 For your PC system you will have to select which comm port to use This is typically COMI The default baud rate is 115200 baud Configure Comm Network ID l 1 Baud 115200 my Figure 60 Configure Communication Options 6 Click Help This screen indicates the revision level of AuroraView About AuroraView D s Sensing AuroraView Instrument Interface Software Copyright 2008 2009 General Electric Company Version 1A Warning Copyright law and international treaties protect this computer program Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent p
81. n with process pressure signal 4 20 mA or constant Absolute Humidity 3 8 to 3803 mg m 0 24 to 237 Ibs MMSCF Readings below 0 C 32 F are in frost point temperature and above 0 C 32 F are in dew point temperature 1 5 3 Accuracy Parts per Million by Volume 2 of reading in ppm or 4 ppm Accuracy of other parameters derived from ppm 1 5 4 Response Time Optical Response lt 2 seconds System Response The system response is dependent upon the length of sample tubing sample system components flowrate and pressure as well as the change in moisture concentration 15 5 Operating Pressure Operating Sample Cell Pressure 69 to 172 kPa 10 to 25 psia Maximum Pressure 1380 kPa 200 psi Process Pressure 10 342 kPa 1500 psig maximum Higher pressure available using additional sampling system components Aurora H20 User s Manual 9 Chapter 1 Features and Capabilities 1 5 6 Temperature Operating 20 to 65 C 4 to 149 F Storage 20 to 70 C 4 to 158 C Optional Heater Thermostat Setpoint 20 5 C 68 9 F for U S and Canada 10 45 C 50 9 F for EU and elsewhere 1 5 7 Flowrate Sample Cell Flowrate 10 to 60 SLH 0 4 to 2 SCFH 30 SLH 1 SCFH nominal Coalescer By pass Fast Loop 5 to 10X of flowrate through sample cell 1 5 8 Display Backlit LCD three programmable simultaneous parameters alphanumeric status and diagnostic display LEDs for power l
82. ndow will change to Datalogging Click to Stop 4 When you are done datalogging click the button to stop logging You may now open your txt datalog file in any application such as Microsoft Excel so that you can analyze that data Note When datalogging multiple parameters at intervals of five seconds or less it is recommended to use baud rates of 57 6K or 115 2K Aurora H2O User s Manual 85 Chapter 5 AuroraView Interface Software 5 7 Working with Trend Plots Trend Tabular Data amp Scan Plots 1 Trend Plots is a powerful graphing feature in AuroraView You can graph many parameters at the same time Trend e Cldar Trend Data Button aaa ELM lt Graph Window Width HE Trend Plots ee 60 0 Dew Point 9C ne SH Dew Point 9F v 56 0 Current ess parameters 50 0 being trended 48 0 legend 46 0 44 0 42 0 40 0 38 0 36 0 34 0 32 0 30 0 28 0 26 0 24 0 22 0 20 0 18 0 16 0 Secondary Y axis Example 06 08 30 Pri 06 08 45 Ph 06 09 00 Pri 06 09 15 Pri 06 09 30 Pri 06 27 D6 22 06 2272 06 27 06 22 06 22 Time Figure 63 Using Trend Plots ce 35 Note Ifyou use the secondary y axis you may see tick marks preceding the value These are tick marks from the graphical applet and not an indication of negative values 86 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 7 Working with Trend Plots Trend Tabular Data amp S
83. ne or the Aurora H2O sampling system components Heat tracing the sample line will aid in elevating the sample temperature above the dew point An optional heater installed within the enclosure is also available 2 2 Bill of Materials The following items should have been received with your shipment e Aurora H20 Unit e Aurora H20 Calibration Data Sheet e Aurora H2O User s Manual on CD ROM e Maintenance Accessories Kit AuroraView Software on CD ROM e Optional Pipeline Insertion Filter Regulator Assembly 2 3 Unpacking The Aurora H20 is shipped in a packing box with a plywood base see Figure 7 to the right and the Aurora H20 analyzer is secured to the plywood base with mounting bolts Transport the shipping package with the plywood base on the bottom and according to the warning labels on the exterior packaging Open the packing box from the top and remove the foam packing material Collect any separate components such as the AuroraView CD the User Manual CD and other items contained in the shipment Remove the mounting studs at the bottom of the enclosure Using two people lift the Aurora H20 from the bottom of the enclosure and from the top of the enclosure where the analyzer electronics is located A typical Aurora H2O weighs approximately 100 pounds 45 kg Use a proper lifting technique to avoid injury Check all the received components and record the model numbers and serial numbers for your records If anything is missing c
84. nu Map Figure 73 on page 93 and complete the following steps Upon startup the Aurora H20 proceeds through several displays until a screen similar to the following appears C Sale PSIa Cancel Enter Cancel uy 14 600 Note In most instances use the Enter key to save an entry and or move ahead to the following screen use the Cancel key to reject an entry and or return to the previous screen 3 4 Setting Up the Display When the screen is unlocked touch the Menu key and the Main Menu appears with Seruice several options To set up the display select Display and press Enter The following Outeuts About screen appears Alarm LOCK Settinsas 3 4 1 Selecting Primary Units Diselas Menu To select units for the primary display select Primary and press Enter The following DatazScan Screen appears H1t 1 Adjust Alt E Reverse Use the arrow keys to highlight the desired units and press Enter The screen returns to the Display Menu Aurora H20 User s Manual 39 Chapter 3 Operation and General Programming 3 4 2 Selecting Alt 1 and Alt 2 Units Disrlas Menu To set the units for Alt 1 and or Alt 2 use the arrow keys to highlight the one to be set Primaru hata Scar and press Enter The following screen appears HIT 1 Adjust Alt E Reverse Decimal Use the arrow keys to highlight the desired unit type Hygro Temperature or Pressure Choose unit tyre and press Enter If Temp is selected the
85. o edit the country code from the Regional Settings Menu select Country Code and press Enter The following screen appears A passcode is required to make changes Decimal Format Date Format Unit System Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the Regional Settings Menu e Country Codes international telephone country codes e Default 1 for U S e Option 81 for Japan is available to conform to METI requirements Aurora H20 User s Manual 59 Chapter 4 Programming Advanced Features 4 6 2 Setting the Decimal Format The Decimal Format option determines whether a decimal or a comma is used as Country Code the decimal separator To edit the decimal format from the Regional Settings Menu Decimal Format select Decimal Format and press Enter The following screen appears Date Format Unit System Use the left and right arrow keys to select a decimal or a comma as the decimal separator and press Enter The screen returns to the Display Menu 4 6 3 Setting the Date Format 2eaianal settings To edit the date format from the Regional Settings Menu select Date Format and press Country Code Enter The following screen appears Decimal Format Unit System Fesional Settings Use the left and right arrow keys to select the desired date format and press Enter The Date Formats sc
86. on It may contain hazardous substances that could impact health and the environment In order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back systems Those systems will reuse or recycle most of the materials of your end life equipment in a sound way The crossed out wheeled bin symbol invites you to use those systems If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration Visit http www ge mcs com en about us environmental health and safety 1741 weee reg html for take back instructions and more information about this initiative IV Aurora H20 User s Manual Contents Chapter 1 Features and Capabilities 131 1 2 1 5 1 4 1 5 2 1 2 2 Zo 2 4 2 2 6 Ze Qvi eT PT rcc ES il go M T ene aces a Ss cee aaa a a eos ee ee ae baa pou nea ee neni 1 NCO ON ERO A 2 nm usus da sees beeen een Soe E Sai oat ee ee o bass a 2 o COP NIDO a DTP 4 PECCAN hed drat dn fiue parrot cae dE 9 Lar OWN ea e e ENIM tO Ba ia i She EM I EI R EL a 9 IUE ioc P 9 Lo GSN i are unsur suyana muspa sana nts pam aE amani gaa onic EE p ZQ puasa ta iu EE 3 1 574 REDON S Mile 4 aT RE E T E O ae eee a sa sau UA LN E aL 9 po 1912 0 10 resol aaa ar a h a a aaa a a aded sx pus 9 1 540 VS AIO GI S cies era up suum ny E vk II A E 10 Eo ONE yusa E AE Z e
87. ontact GE immediately Figure 7 Unpacking the Aurora H2O Aurora H2O User s Manual 13 Chapter 2 Installation 2 4 Choosing A Site for Installation You should have discussed environmental and installation factors with a GE Sales Application or Service Engineer by the time you receive the analyzer Before installing the analyzer read the guidelines below on installation recommendations 1 Choose an installation site for the Aurora H2O analyzer as close to the actual sample point sample take off point as possible to minimize transport time to the analyzer 2 Avoid unnecessarily long lengths of sample transport tubing to minimize transport time to the analyzer 3 Avoid dead legs in the sample transport tubing to minimize the possibility of liquid build up 4 Use stainless steel tubing Avoid using copper tubing as the water molecule has greater absorption capabilities for copper compared to stainless steel Avoid rubber tubing at all costs as water molecules interact with the rubber and ambient moisture can permeate through the tube wall into the sample gas 5 Mount the Aurora H2O analyzer at grade or at a location that is easily accessible for maintenance on a platform or other structure 6 Besure that the ambient temperature is at least 10 C higher than the maximum dew frost point temperature you expect to measure This will ensure that you will not have liquid condensation in the sample transport line nor in the Au
88. ossible under law Figure 61 Software Information 84 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 6 Datalogging with AuroraView 1 Inthe main view click on the button Click to Datalog File Measurements Alarms Outputs Scans Comm About Alarmi Alarm2 Alarm3 Reading Interval 15 Seconds D atalog Interval 6o Seconds Readings Dew Point NaN C Trend Plots Trend Tabular Data l Scan Pkrtsor l f 6101 Timeout Error Additional Modbus Read Graph Window Clear Trend Data z 60 Minutes Trend Plots 9110 0 enn SET TEE 02 10 20 PM 02 10 45 PM 04 06 04 06 Time Dew Point C UN Sample Temperature 9F E Save in lt Local Disk C 3 F r9 Ele Business Objects 5i Setup Files CA APPSW Data Documents and Settings File name 5 Sxpinst 5 Tagfiles remp 9 UsbMac user doc folder for Business object UTIL WINDOWS E ASLog txt El atlog txt E ind 1g7zmbig1 txt Save as type Custom Pattern t t Cancel Figure 62 Datalogging with AuroraView 2 AuroraView will request a file location Pick a file location and a file name to save your data log file All data log files are comma delimited txt files by default 3 Once you pick a file location AuroraView will write any parameter that has a check box with Datalog checked in the main Config window at the time interval set in the Datalog Interval box and the button in the main wi
89. other units must have jumpers J15 and J16 in positions 2 amp 3 default setting from the factory For more details on RS 485 wiring or operation refer to TIA EIA 485 A Specification sn cH HS s C i 2 8294 p pR295 40 po TE c263 E ca 05 RO 134 ch u20 mE a Ae E ZIUHIFE E MT d 28 J15 lj Figure 27 RS 485 Mode Termination Install Jumpers at J15 and J16 Pins 1 and 2 Note Terminations are NOT required when using ports in RS 232 mode e For operation on RS 232 connect RS 232 TXD to RS 232 RXD to and RS 232 GND to RTN see Figure 28 below Figure 28 Input Output Connections 28 Aurora H20 User s Manual Chapter 2 Installation 2 8 Making Electrical Connections cont 6 For connection to a PC to interface with AuroraView software you may use the supplied 704 688 cable RS 232 w SUB D 9 connector to tinned leads Wire the cable as follows Color Code W Aurorq H2O Terminal sen s mm Note The default configuration is as shipped 7 Use a separate wiring conduit run for any 4 20mA pressure transmitter input This input is used when a live input pressure reading for the main process pressure is desired to determine an equivalent dew point by the Aurora H2O analyzer Wire the 4 20mA pressure transmitter to the Pressure Transmitter terminal block see Figure 29 below The Aurora H20 supplies 24VDC for use with a loop powered 2 wire pressure transmitter Figur
90. own There is one alignment pin to facilitate proper removal Figure 74 Removing the Aurora H20 Mirror 96 Aurora H20 User s Manual Chapter 6 Maintenance 6 3 Cleaning the Mirror cont CAUTION Handle the mirror with extreme care Performance of the analyzer is dependent upon the mirror integrity Do not touch the mirror surface with any tools objects hands or fingers Alignment Pin Mirror Figure 75 Handling the Mirror Assembly 5 Make a visual inspection of the mirror surface Record any observation of gross contamination If the mirror appears to be clean do not clean it Instead reinstall it into the system Figure 76 Examining the Mirror Aurora H2O User s Manual 97 Chapter 6 Maintenance 6 3 Cleaning the Mirror cont 6 Ifthe mirror is contaminated the first step in cleaning it is to use the air blower to blow away any particulate matter on the mirror surface Place the mirror assembly on a flat surface and repeatedly puff the air blower to force dry clean air onto the mirror surface see Figure 77 below Figure 77 Blowing Air onto the Mirror 7 Using a piece of lens tissue wet a small area with a very small amount of analytical grade acetone barely wet the lens tissue Typically one drop of acetone will suffice Tilt the lens tissue so that the acetone drop is absorbed by the lens paper along the length of the piece see Figure 75 below EL UELUT cT Figure 78 Using Anal
91. reen returns to the previous display Gamay bee MD Cancel 4 6 4 Setting the Unit System IMPORTANT Ifthe Country Code see Setting the Country Code on page 59 has been set to 81 Japan the Unit System menu is not available Resional Settings To select the unit system to be used for measurements select Unit System and press putra Code Enter The following screen appears Decimal Format Date Farmat Resional Settina Use the left and right arrow keys to select the Unit System desired SI 2 only metric Unit system units are available in the selection menus SI US both metric and English units are SI Ge available in the selection menus and press Enter The screen returns to the Regional Settings Menu Cancel se _______L_L Note Changing the Unit System setting from SI US to Sl in the above menu will NOT immediately change the current Display or Outputs units This is because it is not possible for the Aurora H20 to know the SI measurement units desired by the operator to replace any currently displayed or output English units However the next time the operator selects different Display see Selecting Primary Units on page 39 or Outputs see Selecting Output Units on page 42 units only Sl units will be available in the menu 60 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 7 User Calibration Beginning with software revision H20 001 F the Aurora H2O supports a t
92. rora H20 fault and status messages are prioritized in case of more than one fault status condition the condition with the highest priority is displayed When that condition is resolved the next highest priority condition is displayed Aurora H2O User s Manual 105 Chapter 7 Troubleshooting 7 4 Status Messages and Indicators cont Status OK No CH4 detected H2O Under Range Warning System Overheating FAULT Temperature FAULT Sample Pressure FAULT Line Pressure Laser Temp Unstable Laser Adjust at Limits Laser Reference Fail Weak Signal Return Check Mirror FAULT TEC FAIL WARNING Sample Pressure TOO HIGH ERROR TEC Setpoint out of Range Service Req 106 Table 4 Status Messages and Indicators Aurora H20 is operating normally no faults or other indications Aurora H20 is reading moisture but cannot detect the presence of methane The moisture level is below the system detection limits The temperature inside the electronics module exceeds 85 C or the air temperature inside the sample system enclosure exceeds 68 C The laser Condition Info Info Info Fault Fault Fault Fault Warning Info Fault Info Fault Warning Fault Fault is powered off until the electronics module temperature is below 80 C and the sample system enclosure temperature is below 65 C The temperature transducer is operating out of limits is disconnected or has fail
93. rora H2O Heat tracing the sample line will aid in elevating the sample temperature above the dew point An optional heater installed within the enclosure is also available A typical Aurora H2O system for monitoring moisture off a natural gas pipeline is shown in Figure 8 on page 15 14 Aurora H20 User s Manual 15 Chapter 2 Installation 2 4 Choosing A Site for Installation cont 1911159 JOU OG 9J8 1U9A 0 9I Bue Boe 10J ejqeuns 9 90 pe4ouuy JO 1Inpuoo J MOd 1 indinoandu f N mi A s u Jo pug Buu lu inpuoo 1ndino indul s u e Jo Bullajua LINDUOD JIMOJ QOUBISIP ZIWIUIN gur uodsuel ajduwes sunu edid jes en uo Su 19 J 1d uomnejuauo OU SI 9J89U 9 ON uns edid ejuozuou e uo uonisod 390 9 0 6 10 490 9 0 Aj euondo JO 490 9 0 2 1 e1su de ajdwes a1einBey uomiesu jeuondo Aurora H50 Analyzer Monitoring Moisture Off a Natural Gas Pipeline Figure 8 Aurora H2O User s Manual Chapter 2 Installation 2 5 Low Voltage Directive To comply with the Low Voltage Directive you must install a switch or circuit breaker on the input power line For greatest
94. rora H2O until equilibrium with the moisture concentration of the sample gas is reached You can use the data logging capability of the PM880 to determine when steady state conditions are reached Consult GE if you have application questions regarding this process Aurora H2O User s Manual 107 Chapter 7 Troubleshooting 7 6 2 Using a Moisture Standard The best moisture standard to use is one generated by a moisture generator as a flowing reference due to the fact that static moisture standards in cylinders have limited capability and reliability A moisture generator such as GE s MGIOI moisture generator can be used for this purpose Figure 88 MG101 Moisture Generator However a moisture generator is typically used only in an indoor location with reasonably good temperature control In the field this is not always practical so a more convenient option would be to use a static moisture standard in a gas cylinder Consult with your local specialty gas supplier about standards for moisture Based on application experience GE recommends the following guidelines regarding moisture standards in gas cylinders e Use passivated aluminum gas cylinders only Do not use the cylinder when the pressure falls below 50 of the original pressure supplied by the vendor typically 1500 1800psig e Use the gas cylinder for moisture values of 50 100 ppm e Use a moisture standard having a background gas of nitrogen N2 e Mix the moisture
95. row keys to select each digit to be changed Use the up and GFR 3588 ee down arrow keys to change the value When finished press Enter The screen returns to 8101 225 kPa the Pressure Menu Note Data entry for this setting is only in kPa 4 5 3 Editing Pressure Calibration Pressure input in this section is used only for equivalent dew point calculations Equivalent dew point is the dew point of the process gas at the process pressure Input a constant value if the line pressure is at a normal pressure or use an external pressure transmitter to input a live pressure input into the Aurora H2O analyzer To edit the pressure calibration from the Line Pressure Source Menu select Live and press Enter The following screen appears Constant IG x Cancel Line Pressure Jalue To edit the Calibration Data use the arrow keys to select Cal Data and press Enter The Source following screen appears To select the Calibration Point use the up and down arrow keys to highlight Select Cal Point and press Enter The following screen appears Edit Pressure Walue Edit Input Walue Edit Pressure Cal Use the left and right arrow keys to select Zero or Span and press Enter The screen Select Cal Point returns to the previous menu bMS Sean x Cancel Live Pressure Zero To edit the Pressure Value use the up and down arrow keys to select Edit Pressure Select Cal Point Value and press Enter The following screen appears Edit Press
96. row keys to select each digit to be changed and the up and down GFR 22 2006 arrow keys to increase or decrease its value Press Enter to save or Cancel to keep the 2A AAAA mA previous value FREE 165 i uses wer sei Trimming is complete Accuracy can be verified using the Test Menu above Example Trim is reset then Trim Zero is selected The SCADA input reports 3 977 mA The operator enters 3 977 as the Zero Trim value Trim Span is selected The SCADA input reports 19 985 mA The operator enters 19 985 as the Span Trim value Aurora H2O will adjust the output accordingly to true the output as read by the customer recorder SCADA or DVM Using the Test Menu the operator verifies that a test value of 0 now reads 4 000 mA at the SCADA equipment and a test value of 100 now reads 20 000 mA 3 6 Setting Up Alarms Note The Aurora H20 is not equipped with alarm relays The Alarm function is useful only when reading the alarm status via Modbus 3 6 1 Selecting an Alarm Output To set up alarm outputs on the Main Menu choose Alarm and press Enter From the Select Ue per Alarm Menu choose Select and press Enter A screen similar to the following appears Status Lower Use the arrow keys to select the output A B or C to be set up and press Enter The display returns to the Alarm Menu Select Alarm K Carnce Aurora H20 User s Manual 45 Chapter 3 Operation and General Programming 3 6 2 Sele
97. s erlu 258 PPHu sas are complete you will be prompted to apply the span gas and continue If there 1s select Read Span doubt about the stability of the zero gas the reading can be repeated at this point 4 Eereat x Continue 62 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 7 User Calibration cont Apply the Span gas and wait for the Aurora H2O reading to stabilize When the reading is stable select Read Span The Aurora H2O uses the current measurement and immediately calculates the new calibration If the calculated values are determined to be valid the Aurora H2O will display Calibration OK and prompt you to Save the results or Cancel If the values are not valid the Aurora will display Calibration FAILED and prompt you to continue On a cal failure or Cancel no change is made to the User Calibration values zer Calibration The CH4 Offset and CH4 Scalar items can be used to view or modify the calculated Calibration FHILED calibration points if desired ort 1 HJE W Lancel Note The default values for the CH4 Offset is 0 0 and the CH4 Scalar is 1 0 These defaults are NOT the same as the Factory Calibration Making the User Cal active without performing the actual calibration will adversely affect the accuracy of the Aurora H20 If there is any doubt about the quality accuracy of the gases used the Aurora H2O should be returned to the Factory calibration using the St
98. s areas and operates over a wide range of environmental conditions Aurora s fast response quickly alerts and documents when moisture concentrations are out of compliance Once process upsets are corrected and the gas dries out the fast response quickly enables natural gas to be cleared for entry into the energy grid CLASS 1 LASER PRODUCT WARNING Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous laser exposure 1 2 Features e Optical response 2 seconds once flow cell is purged e No cross sensitivity to glycols or amines e Direct readout in Ibs mmscf mg m or ppm e Reads process pressure dew point with user programmable constant or live auxiliary input for process pressure Turnkey sampling system specifically designed for natural gas applications ensures measurement integrity e Magnetic Stylus enables through glass programming hot permit not required to field program Explosionproof Flameproof design e 4 20 mA signals and RS 232 485 MODBUS RTU for connection to SCADA or plant monitoring system Supplied with AuroraView software for remote configuration data logging and data retrieval capacity e NIST traceable calibration In conformance with IEC 60825 1 Edition 2 0 Safety of Laser Products Aurora H2O User s Manual 1 Chapter 1 Features and Capabilities 1 3 Theory of Operation The GE Aurora H2O Tunable Diode Laser Ab
99. safety locate the circuit breaker or power switch near the electronics console IMPORTANT Installation must be done in accordance with the National Electrical Code the Canadian Electric Code and or any other applicable local codes 2 6 Mounting Use the four mounting tabs to mount the Aurora H2O System Assembly in the desired location see Figure 31 on page 31 IMPORTANT The Aurora H2O should only be mounted vertically 16 Aurora H20 User s Manual Chapter 2 Installation 2 7 Optional Insertion Probe Regulator 2 7 1 Description For natural gas applications that may have entrained particulate and liquid contaminants especially TEG carry over from TEG dryers GE recommends the use of a Insertion Probe Regulator to serve as the first part of particulate and condensate filtration where the gas is sampled off the pipe The device combines the features of a sample tap a membrane filter and an integral pressure regulator 0 500psig outlet adjustable at the sample take off point The sample tap housing includes a foot valve so that once installed the assembly can be removed from a line under pressure for membrane filter replacement as needed Figure 9 Insertion Probe Regulator Note A 29 32 0 907 inch 23 1 mm minimum bore through clearance is needed on the customer nozzle for insertion of a 3 4 NPT insertion membrane liquid separator pressure regulator 2 7 2 Installation Note that the Optional Insertion Probe Regu
100. sorption Spectroscopy hygrometer for natural gas is a system designed to continuously monitor the moisture content in natural gas It fundamentally measures the partial pressure of water vapor water in the gas state and with the simultaneous measurement of pressure and temperature provides readings and both analog and digital signal transmission of user selectable moisture parameters including dew point temperature volume ratio and absolute humidity Ibs MMSCF or mg m in addition to temperature and pressure The Aurora H2O is supplied with an integrated sampling system which includes an optional pipe mounted liquid separator and pressure reducing valve regulator and the following components mounted within a stainless steel enclosure isolation valve coalescing filter coalescer flow control valve sample cell control valve second pressure reducing valve regulator and flow indicator rotameter as well as an optional electrical heater and thermostat The fundamental water vapor pressure measurement is based on the Beer Lambert Law P A om 3 SEN where A Absorbance Light intensity transmitted through a sample gas Incident light intensity S Absorption coefficient L Absorption path length a constant N Concentration of the water vapor in the absorption cell The absorption coefficient 1s a constant for a specific gas composition at a given pressure and temperature The concentration of the water is directly rel
101. sponsiveness It is a moving HERH 246 average filter to smooth the moisture readings 1 sample 1 scan Generally Aurora Ada sameles H2O can perform up to 12 samples per second The minimum setting is 10 samples and the maximum setting is 200 samples The default as set at the factory is typically 40 Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the User Adjustments Menu Aurora H2O User s Manual 54 Chapter 4 Programming Advanced Features 4 2 3 Setting the Dew Point Calculation Method The dew point is the temperature at which the air is saturated with respect to water vapor over a liquid surface The frost point is the temperature at which the air is saturated with respect to water vapor over an ice surface There can be a difference of several degrees C between the dew point and the frost point When set for Dew Frost the Aurora H20 will report the Dew Point if the reading is above freezing and will report the Frost Point if the reading is below freezing When set for Dew Point the Aurora H2O will calculate the Dew Point temperature even if that temperature is below freezing User Adjustments To set the dew point calculation method from the User Adjustments Menu select Dew Pt Calc and press Enter The following screen appears PPM Level Filter Dew Pt Calc Enh Factor T
102. t Gas Composition and press Enter The following ID screen appears System Status Gasse eee An identifier label for the gas composition will be displayed above the components Gas Composition Identifier coe 4 B 66 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 10 Custom Gas Composition If a custom Gas Composition has been installed an additional Composition menu selection will appear in the Settings Gas Data menu Note Ifno alternate composition is available the menu selection will be disabled and grayed out Mol Weiraht Back around Come v Default Gas Composition Identifier age CUSTOM Cancel Come v BGE Come Y Abe DEFAULT MIE x Cancel He B d CH4 7S A COZ 15 8 C2H6 7 8 The new composition can be verified by selecting About Gas Composition Note Unless otherwise requested the Aurora H2O is shipped from the factory configured to use the custom gas composition Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 11 Locking Unlocking the Display To lock the Aurora H2O against any future changes from the Main Menu select Lock Displau Saeruice and press Enter The screen returns to the standard display Outrots About Alarm LOCK Note This menu option is the same as exiting the programming menu and waiting for a Settings keypad time out to lock the keypad Sample kPa Samele bar 10138 1
103. tarta ds a 43 A ao A a O u Zab awa aa asss 44 v caudae PU PION A II EE A II TEE 45 Body SSeS clic qvE O ae A A khaya eee ae 45 AS or SIQI A emeosedc cix c M rU III md ASI ND td MEME 46 5 05 sSelecuhidg IORI El Sce usuyasa aa eibi dun ta yr aunt iudei aet ox td alus dus 46 5 04 Senan a DB u uuu na uuruuu uum EU EI PARERE DLL LM EU CIE 47 52 65 HOW the AJarmm TYPES WOW nice aestate nied ose itt tarot ASA HAPPENS 47 3 66 Enanginda tine Ubper Adi Span sas pedernal td entente dob oett ende Sedes bete seva 48 36 7 Changing the Lower Alari SPON eesis percal etos seiten aue cas 48 Aurora H20 User s Manual Contents Chapter 4 Programming Advanced Features 4 1 4 2 4 5 4 4 4 5 4 6 4 4 8 4 9 COMICS OISEAU ME OA 49 EEE BEES ICC HG S PO ast TER EE ASAS AS T eras beeen 49 dI Senno e aud CIUS uo ie ota ri een tunt o pusu LE o LA EST EI AE Lir cdd 49 A cieli MEME IDEE LET 50 Ze Sello I gio LOC Ole 2 umo mtd TO 50 do Seanno ne Na work D uei ores vio e SE aetecend a etre dh Sape t cx debct Sem aie EM ERSTER 50 Adjust Offset Values 51 APA JAGUStHgthePPMV OMS ad EDUE Quq Oi bt QU RUE upon oe Entidades 51 4 2 2 Adjusting the Smoothing Filter Offset 51 4 2 3 Setting the Dew Point Calculation Method 52 42A AGIS ME Mi FACTO srl oo ET
104. to a service center will be provided 2 If GE Sensing 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 Sensing will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken Ifthe damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned e If GE Sensing 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 Aurora H2O User s Manual 119 Warranty no content intended for this page 120 Aurora H20 User s Manual um DECLARATION Sensing OF CONFORMITY DOC 0007 Rev A We GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare under our sole responsibility that the Aurora H20 Moisture Analyzer to which this declaration relates is in conformity with the following standards e EN 60079 0 2006 e EN 60079 1 2007 e EN 60079 7 2007 e EN 60529 1991 A1 2000 e 2 G Ex de IIB T6 T 20 C to 65 C IP66 FMO9ATEX0O65X FM Global UK e EN 61326 1 2006 Class A Table 2 Industrial Locations e EN 61326 2
105. to metal contact Tighten the bolts just until they are snug DO NOT overtighten these bolts Re establish power to the Aurora H20 analyzer Re establish the flow through the sample system If the Aurora H2O still indicates a Check Mirror contact GE for further assistance Aurora H20 User s Manual Chapter 6 Maintenance 6 4 Replacing the Filter Element The Aurora H20 uses a membrane filter see photograph to the left as the secondary filter This filter is intended to prevent liquid or particulate contamination from entering the absorption cell The Aurora should not be operated without a filter train upstream of the unit The membrane filter is equipped with Flow Block which shuts off the flow if the filter element is heavily loaded with contamination A spring loaded check valve closes the outlet flow of the sample if the differential pressure across the filter element exceeds a threshold limit At any given time the flow through the Aurora H2O can be checked by observing the rotameter If the flow block feature shuts off the flow do not increase the pressure Replace the filter element and clean the filter If the flow is being shut off too frequently additional sample condition schemes or the combination of the following will have to be employed Bypass flow needed to sweep liquids or contamination off the filter A 10 1 bypass flow rate should be maintained e Additional upstream filtration e Heat Heat tra
106. tocol and press Enter The screen returns to the Comm Port Menu Cancel 4 1 5 Setting the Network ID Comm Fort SCALA To set the network ID from the Comm Port Menu select Network ID and press Enter Select ma The following screen appears Baud Rate Parity Protocol Set Hode ID Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the Comm Port Menu Cancel 50 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 2 Adjust Offset Values To adjust offset values from the Settings Menu select Adjust and press Enter The Pressure following screen appears Locale ee eee TTE 4 2 1 Adjusting the PPMv Offset User Adjustments To adjust the PPMv offset select PPM Level and press Enter The following screen PPM Level appeal Filter Dew Pt Calc Enh Factor PPMy Offset Use the left and right arrow keys to select each digit to be changed Use the up and down arrow keys to change the value When finished press Enter The screen returns to the User Adjustments Menu 4 2 2 Adjusting the Smoothing Filter Offset User Ad astnents To adjust the smoothing filter offset from the User Adjustments Menu select Filter and PPM Level press Enter The following screen appears Dew Pt Calc Enh Factor The smoothing filter setting is used to change the system re
107. ts for wiring the unit Figure 24 Conduit Inlet Ports Note Useone conduit inlet for power Use the two other conduit inlets for input output as needed All unused conduit inlet ports should be sealed with suitable blanking elements 2 Select one conduit for inlet power to the Aurora H2O based on your configuration The Aurora H2O comes with a universal power supply or optionally as a 24VDC powered unit Remove the wiring cover to view the wiring terminal block Figure 25 Wiring Terminal Blocks 26 Aurora H20 User s Manual Chapter 2 Installation 2 8 Making Electrical Connections cont Note Supply connection wiring shall be rated at least 10 C above the rate maximum service temperature of 85 C be stripped back 5 16 in 8 mm and torqued to a minimum of 4 4 in lb 0 5 Nm 3 Runthe AC power connections to the Power Terminal Block shown in Figure 26 below It is recommended to use 12 18 AWG 3 3 0 82 mm power wiring 4 Use wiring conduit runs separate from the Aurora H2O main power for all I O Input Output leads Wire up to three 4 20mA outputs to the terminals labeled A B and C The three analog outputs A B and C 0 20mA or 4 20mA are internally powered by the Aurora H2O Use shielded 18 22 AWG 0 82 0 33 mm twisted pair wire and ground the shield at one end only Wire up digital communications to Port 1 and or Port 2 as labeled 5 Either digital port may be configured for RS 232 or RS 485
108. ure Lalue Edit Input laluae Enter Line Pressure Use the left and right arrow keys to select each digit to be changed Use the up and down GFR 3508 DDD arrow keys to change the value When finished press Enter The screen returns to the A HAA kPa previous menu NA 6 4666 Y Save X Cancel 58 Aurora H20 User s Manual Chapter 4 Programming Advanced Features 4 5 3 Editing Pressure Calibration cont Live Pressure Zero To edit the Input Value use the up and down arrow keys to select Edit Input Value and Select Cal Point press Enter The following screen appears Edit Pressure Walue Enter Line Sianal Use the left and right arrow keys to select each digit to be changed Use the up and down HERH 22 460 arrow keys to change the value When finished press Enter The screen returns to the Ad AAA mA previous menu PEE P uud Y Save X Cancel 4 6 Regional Settings This section enables the setting of regional information depending on the location of the Aurora H2O Settings Menu To reset the regional settings from the Settings Menu select Locale and press Enter Comme Pressure The following screen appears Adjust Locale bas BOE ede Fede TE Clack Note Locale settings for your order have been set at the factory and are access code protected If you determine a need to access Regional Settings contact the factory for assistance 4 6 1 Setting the Country Code Sesional settings T
109. uroraView AuroraView Aurora H20 User s Manual its EHS E ES Global Security 360 A GE INDUSTRI D GE Industrial Internet Explorer Gu I i ve Microsoft Help Desk Office Logitech QuickCam idows XP Professional COZInNa 5 EJ Ad Lead Tile Tool_files Begs i T Busines 3PLstructeee Be amusbilfaee AngeloShm H Audacity eee e e Policy uroraView in Programs Menu 11 Chapter 5 AuroraView Interface Software 5 4 Starting AuroraView cont 2 AuroraView boots up and displays a screen similar to Figure 50 below AUR A m4 AuroraView File Measurements Alarms Outputs Scans Comm About Serial Number _ Trend Plots Warnings LL Co mma nd Li ne ENG2 WE poene Scan Plots Tab Ala is Si tus Trend Tabular Data Tab T 25878 H20 PPMv s Click to Datalog 70 25876 Dew Point C s F 25874 Dew Point F AN Reading Interval 3 d ng 68 SJ ng 1 25872 Sample Temp C 2 Seconds Inte rval 66 25870 Dataoginterval Datalog i 25668 10 Seconds Sample Pressure PSIa 25866 Ramee Interval PEU mio 5 5 s 8 25864 H20 25809 95 PPMv 60 A 20 1225 29 Lbs MMSCF 25862 H20 10000 00 mg sm s8 25860 Vapor Pressure 2 615193 kPa Dew Point 21 82 C Dew Point 71 27 F Equiv Dew Point 21 796 C Equiv Dew Point 71 23 F Sample Temp 23 73 C Sample Temp 74 72
110. w Eos Epa Data Scam Keys to highlight Adjust and press Enter The following screen appears Alt 1 Alt Eeuerze Decimal Hd3uzt Diserlas Use the Up Down arrow keys to increase decrease display brightness Use the Right Left arrow keys to increase decrease display contrast Press Enter to save the changes or press Cancel to return to the previous setup The screen returns to the Display Menu Save w Lancel 3 4 6 Reverse DisrFlas Menu To reverse the text and background shades from the Display Menu use the arrow keys Primary Datar Scar to highlight Reverse and press Enter The following screen appears Alt i Adjust Hite Peer Se Decimal DisePlas Menu To return to the previous shade setup select Reverse and press Enter The previous aU Y ATi Screen appears A1t 1 Adjust Alt 2 Decimal 3 5 Setting Up Outputs 3 5 1 Selecting an Output for Setup Mein Menu To set up outputs from the Main Menu choose Outputs and press Enter The Disrlasg Service following screen appears A About Alarm LOCK Settinasz Dutrut Menu out A From the Output Menu choose Select and press Enter The following screen appears Select Lower Units Test Fe Trim Urrer Outeout Menu E O 0ut A Use the arrow keys to select the output A B or C to be set up and press Enter Select utrut MEC Cancel Aurora H20 User s Manual 41 Chapter 3 Operation and General Programming 3 5 2 Selecting Output
111. wo point User Calibration for use in methane natural gas This is provided so that a field calibration can be easily performed to cause the Aurora H20 measurement to correspond to a calibration gas or other moisture device The User Calibration is independent from and does not affect the Factory Calibration The Aurora H20 can be quickly switched between User and Factory calibration at any time Before the calibration can be performed the Aurora H2O must be operating correctly in methane or natural gas with methane selected as the Background Gas Settings Menu Choose Settings from the Main Menu A User Cal selection is now provided Comme Pressure Adjust Locale Gas Eee Clock Note Ifthe Aurora H20 is set for Nitrogen as the background gas the User Cal selection will be disabled grayed out The Aurora H2O will prompt for the User Passcode 2719 aad Y Save x User Calibration By default the Aurora H20 is operating with the Factory calibration so the User Calibration Menu is disabled with the exception of the Status selection User Calibration Select Status and choose User as the Active Calibration Active Calibration Factory WEE Cancel User Calibration The User Calibration Menu is now enabled Status Read Srar Zero Gas CH4 Offset SFan Gas CH4 Scalar Read ero Aurora H20 User s Manual 61 Chapter 4 Programming Advanced Features 4 7 User Calibration cont The select
112. ws ME Windows 2000 Windows XP e Internet Explorer v5 0 or higher AuroraView supports the following serial interfaces e RS232 e RS485 Modbus Aurora H20 User s Manual 69 Chapter 5 AuroraView Interface Software 5 3 Installing AuroraView 1 Insert the Installation CD into the optical drive on your PC 2 The installation program should launch automatically If it does not select Start gt Run Browse 2 AuroraYiew E ini xi File Edit View Favorites Tools Help lt Back gt Bi J Search ow Folders E Mame Se Type Date Modified _Keywor CD Writing Tasks x Files Currently on the CD j Write these files to CD C Auroraview 1 0 4 Installer File Falder 416 2009 3 02 PM File and Folder Tasks e Publish this Folder to Ehe web El Share this Folder Other Places X My Computer My Documents 4 My Network Places Details 1 objects Figure 41 Initial Screen 70 Aurora H20 User s Manual Chapter 5 AuroraView Interface Software 5 5 Installing AuroraView cont 3 Browse to the file named setup exe in the root directory of the CD Double click the file to start the installation AuroraYiew 1 0 4 Installer File Edit View Favorites Tools Help Back y Pi a Search gt Folders EE Address la E Auroraview 1 0 4 Installer y Go Links gt Name S amp ge Typp Date Modified Location CD Writing Tasks A Files Currently on the CD
113. ytical Grade Acetone 98 Aurora H20 User s Manual Chapter 6 Maintenance 6 3 Cleaning the Mirror cont 8 Place the wet lens tissue on top of the mirror and drag it horizontally across the surface of the mirror see Figure 79 below E Figure 79 Dragging the Wet Lens Tissue Across the Mirror 9 Usethe air blower to blow dry air onto the surface of the mirror Puff repeatedly until the mirror surface appears dry see Figure 80 below Figure 80 Drying the Mirror Aurora H2O User s Manual 99 Chapter 6 Maintenance 6 3 Cleaning the Mirror cont 10 11 12 13 14 15 16 17 18 19 100 Repeat steps 7 9 at least three times using a new lens tissue each time Visually inspect the mirror and record any observation of gross contamination If the mirror does not appear to be clean contact GE for further assistance If the mirror does appear to be clean re install it onto the measurement cell As you line up the mirror to the measurement cell note the key for properly connecting the two pieces The mirror will align for mounting in only one position Rotate the mirror assembly to line up the alignment pin with the alignment pin slot see Figure 1 below Figure 81 Reinstalling the Mirror Assembly Loosely reinstall the six retaining bolts by hand Use an Allen wrench to tighten the six retaining bolts in an alternating or star pattern to achieve a uniform metal

Aurora H2O - GE Measurement & Control

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Aurora H2O - GE Measurement &amp; Control

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Aurora H2O - GE Measurement & Control