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Instruction Manual

760000-C

November 2002

Rosemount Analytical Inc. A Division of Emerson Process Management Operation 3-43

Model NGA2000 CLD

Figure 3-68. Conversion Efficiency as a Function of Converter Temperature

Final 2 degree
higher

adjustment

Final 1 degree lower

adjustment

About

97%

Converter Temperature

Converter
Efficiency

Содержание Rosemount Analytical NGA2000 CLD

Страница 1: ...Instruction Manual 760000 C November 2002 http www processanalytic com Model NGA2000 CLD Chemiluminescence Analyzer Module ...

Страница 2: ...on Follow all warnings cautions and instructions marked on and supplied with the product Inform and educate your personnel in the proper installation operation and maintenance of the product Install your equipment as specified in the Installation Instructions of the appropriate Instruc tion Manual and per applicable local and national codes Connect all products to the proper elec trical and pressu...

Страница 3: ...ons 1 4 a General 1 4 b Physical 1 4 c Sample 1 4 d Gas Connections 1 5 2 0 INSTALLATION 2 1 2 1 Unpacking 2 1 2 2 Assembly 2 1 2 3 Location 2 2 2 4 Gases 2 2 a Overview 2 2 b Connections 2 2 c Specifications 2 3 2 5 Electrical Connections 2 4 3 0 OPERATION 3 1 3 1 Overview 3 1 3 2 Displays Operating Keys 3 1 a Menu Lines Softkey Functionality 3 1 b Common Function Keys 3 2 c Entering Changing Var...

Страница 4: ...6 a Analog Output Setup 3 26 b Serial Interface Setup 3 29 c Relay Outputs Setup 3 29 3 10 System Network I O Module Controls Setup System DIO 3 31 3 11 System Configuration and Diagnostics 3 32 a Diagnostic Menus 3 32 b Load Save Module Configuration 3 34 c Date and Time 3 35 d Security Codes 3 35 e System Reset 3 36 3 12 Converter Temperature Adjustment 3 37 3 13 Measurement of Converter Efficie...

Страница 5: ...tical Inc A Division of Emerson Process Management Contents iii Model NGA2000 CLD 6 0 REPLACEMENT PARTS 6 1 6 1 Matrix 6 1 6 2 Replacement Parts 6 1 7 0 RETURN OF MATERIAL 7 1 7 1 Return Of Material 7 1 7 2 Customer Service 7 1 7 3 Training 7 1 8 0 INDEX 8 1 ...

Страница 6: ...e Settings Menu 3 12 Figure 3 14 Physical Measurements Menu 3 13 Figure 3 15 Concentration Alarm Setup Menu 3 13 Figure 3 16 Gas Measurement Parameters Menu 3 14 Figure 3 17 Linearization Parameters Menu 3 14 Figure 3 18 Linearity Coefficients Menu 3 14 Figure 3 19 Linearization Functions Menu 3 15 Figure 3 20 Polynomial Setup Menu 3 15 Figure 3 21 Gas Concentrations Menu 3 15 Figure 3 22 Midpoint...

Страница 7: ...s Menu 3 32 Figure 3 54 Diagnostic Menu 3 32 Figure 3 55 Analyzer Diagnostics Menu 3 32 Figure 3 56 Power Supply Voltages Menu 3 33 Figure 3 57 Primary Variable Parameters Menu 3 33 Figure 3 58 Temperature Control Menu Screen 1 3 33 Figure 3 59 Temperature Control Menu Screen 2 3 33 Figure 3 60 NO NOx Flow Balance Menu 3 34 Figure 3 61 Calculate Factor Using Pressure Ratio Menu 3 34 Figure 3 62 Lo...

Страница 8: ...Instruction Manual 760000 C November 2002 vi Contents Rosemount Analytical Inc A Division of Emerson Process Management Model NGA2000 CLD ...

Страница 9: ...al completely DEFINITIONS The following definitions apply to DANGERS WARNINGS CAUTIONS and NOTES found throughout this publication DANGER Highlights the presence of a hazard which will cause severe personal injury death or substantial property damage if the warning is ignored WARNING Highlights an operation or maintenance procedure practice condition statement etc If not strictly observed could re...

Страница 10: ...zone which is toxic by inhalation and is a strong irritant to throat and lungs Ozone is also a strong oxidizing agent Its presence is detected by a characteristic pungent odor The module s exhaust contains both ozone and nitrogen dioxide both toxic by inhalation and may contain other constituents of the sample gas which may be toxic Such gases include various ox ides of nitrogen unburned hydrocarb...

Страница 11: ...xposure Mercury is highly toxic if absorbed through the skin or ingested or if vapors are inhaled Handle lamp assembly with extreme care If the lamp is broken avoid skin contact and inhalation in the area of the lamp or the mercury spill Immediately clean up and dispose of the mercury spill and lamp residue as follows Wearing rubber gloves and goggles collect all droplets of mercury by means of a ...

Страница 12: ...mmable samples Use of this equipment in this way could result in explosion or death CAUTION PRESSURIZED GAS This module requires periodic use of pressurized gas See General Precautions for Handling and Storing High Pressure Gas Cylinders page P 6 CAUTION EXTERNALLY RESTRICT SAMPLE FLOW TO LESS THAN 2200 CC MIN No restrictor is provided in the sample inlet of this module For those users who cannot ...

Страница 13: ...sion of any other module s for successful compatibility If it is not contact Rosemount Analytical at 800 433 6076 to order software upgrade kit PN 657150 for the Platform You can locate the version of each NGA 2000 component as follows Platform Controller Board Turn power ON The display will show Control Module V2 This is the software version Analyzer Module Located on the right side of the Analyz...

Страница 14: ...en lo cated in areas where extreme temperatures are prevalent 3 The valve protection cap should be left on each cylinder until it has been secured against a wall or bench or placed in a cylinder stand and is ready to be used 4 Avoid dragging rolling or sliding cylinders even for a short distance they should be moved by using a suit able hand truck 5 Never tamper with safety devices in valves or cy...

Страница 15: ...y approvals from several certifying agencies including Factory Mutual and the Cana dian Standards Association which is also an OSHA accredited Nationally Recognized Testing Labora tory for use in non hazardous indoor locations Rosemount Analytical Inc has satisfied all obligations from the European Legislation to harmonize the product requirements in Europe This product complies with the standard ...

Страница 16: ...gs into the Backplane from the front of the Platform and performs special features not related to I O functions I O Module A circuit board that plugs into the Backplane from the rear of the Platform Has a connector terminal for communication with external data acquisition devices and provides an input output function Operator Interface The Display and Keyboard Platform Any workable collection of t...

Страница 17: ...gement Preface P 9 Model NGA2000 CLD Softkeys The five function softkeys located below the front panel display they assume the function displayed directly above each on the display a function dictated by software System Any collection of Analyzer Module s Platform s I O Module s and Expansion Module s ...

Страница 18: ...Instruction Manual 760000 C November 2002 P 10 Preface Rosemount Analytical Inc A Division of Emerson Process Management Model NGA2000 CLD ...

Страница 19: ...exhaust Nitric acid plant emissions De NOX control system Nitric oxide emissions from decaying or ganic material e g landfills 1 3 THEORY OF TECHNOLOGY The CLD Analyzer Module uses the chemilumi nescence method of detection This technology is based on the reaction of NO with ozone O3 to produce NO2 and oxygen O2 Some of the NO2 molecules thus produced are in an elec tronically excited state NO2 th...

Страница 20: ...LBOW 1 8T SS REDUCING UNION 1 8T 1 16T SS 1 8 OD SS 1 8 OD SS ELBOW 1 8T SS REACTION CHAMBER EXHAUST SAMPLE OZONE 2 1 BRASS NEOPRENE 655269 STAINLESS STEEL VITON 659063 TEE ASSEMBLY 1 8T 1 4MPT ELBOW 1 8T 1 4MPT SS BACK PRESSURE REGULATOR 1 TEE 1 8T KYNAR VENT CAPILLARY 70cc min 4 PSIG 634398 PUMP CAPILLARY 2 PSIG NO NOx SOLENOID VALVE 655263 C NC NO TEE 1 8T KYNAR CONNECTOR GLASS BLUE NOx TO NO C...

Страница 21: ...tions 1 3 Model NGA2000 CLD SAMPLE BACKPRESSURE REGULATOR NETWORK POWER CONNECTOR FUSE FLOW BALANCE NEEDLE VALVE COMPUTER BOARD SIGNAL BOARD INLET OUTLET FITTINGS FANS NO2 TO NO CONVERTER FLOW SENSOR POWER SUPPLY BOARD 3 WAY SOLENOID VALVE DETECTOR SAMPLE CAPILLARY DRIVER BOARD OZONE GENERATOR Figure 1 3 CLD Analyzer Module Top View ...

Страница 22: ...eneral purpose for installation in weather protected area Dimensions See Figure 2 5 Outline and Mounting Dimensions p2 6 Weight 8 1 kg 18 lbs Mounting Inside a Platform or custom installed in a panel Max Length of LON Cable 1600m 1 mile between Analyzer Module and Platform c Sample Temperature 0 C to 45 C 32 F to 131 F Total Flow Rate Externally measured 900 to 2200 cc min with backpressure regula...

Страница 23: ...latform and associated I O Modules do so at this time Fol lowing the guides on the bottom left and bottom center of the Platform carefully slide the Ana lyzer Module halfway into place CAUTION HAND INJURY HAZARD Do not place hands or fingers in Platform front handles when the front panel is open Dropping front panel while hand or fingers are inside either handle can cause serious injury Lift the s...

Страница 24: ...th a clean non corrosive two stage regulator A shutoff valve is rec ommended b Connections See Figure 2 2 page 2 3 Connect inlet and outlet lines for sample air and exhaust to appropriately labeled fittings on the rear panel each of which is a 1 4 inch fer rule type compression fitting Stainless steel or Teflon tubing is recom mended for the sample line Exhaust tubing should be 1 4 inch 6 3 mm or ...

Страница 25: ... Module Sample should be filtered for particulates down to two microns and should have a dew point 5o C 13o F below coldest ambient tempera ture WARNING At no time should sample flow exceed 2200 cc min Damage to internal compo nents may occur if this flow level is ex ceeded CAUTION EXTERNALLY RESTRICT SAMPLE FLOW TO LESS THAN 2200 CC MIN No restrictor is provided in the sample inlet of this module...

Страница 26: ...s and NO compo nents To eliminate the contaminates the sampling system should be reworked or a preventive maintenance program developed if dropout is not excessive Another source of crystal line formation is contaminated air 2 5 ELECTRICAL CONNECTIONS NOTE Electrical installation must be in compliance with National Electrical Code ANSI NFPA 70 and or any applicable national or local codes Refer to...

Страница 27: ...ED POWER SUPPLY BOARD LON POWER MODULE ASSEMBLY 657510 J5 J1 J2 J3 E2 E3 E1 3 2 1 LON PWR MODULE 656761 GRN 6 1 2 3 1 1 2 BLK ORN 12 7 1 10 1 3 12 10 9 2 8 7 2 1 J3 J2 POWER SUPPLY BOARD 657520 J11 J1 J13 J6 NC J4 J7 1 2 3 RED COMPUTER ANALYSIS BOARD 655520 J3 J2 J1 J5 J6 NC 1 1 1 1 1 1 CONVERTER TEMPERATURE SENSOR 655282 CONVERTER HEATER JACKET 655228 CONVERTER 655250 THERMOSTAT 657298 OZONATOR 6...

Страница 28: ...ytical Inc A Division of Emerson Process Management Model NGA2000 CLD 4 1 104 4 1 23 9 23 9 33 1 3 Dimensions INCHES MM 5 13 17 5 445 1 3 33 1 1 28 6 0 152 2 8 71 8 20 18 7 4 10 8 2 208 8 4 213 6 1 155 4 1 104 4 3 109 1 5 38 2 5 64 Figure 2 5 Outline and Mounting Dimensions ...

Страница 29: ...ending on the installed analyzer module any auxiliary modules in stalled and the individual menu displayed In case of power failure all user defined spe cific module parameters are saved by a bat tery powered memory Figure 3 1 Measure Mode Display The Function Keys also called softkeys are assigned values depending on the menu or screen being displayed The legend is dis played above the softkeys T...

Страница 30: ... module F2 if available See Section 3 4a page 3 8 Main Change from single component display to the main menu F3 in the single component display See Section 3 2e page 3 4 HOME Change for various menus to the main menu F1 Channel Scrolls through the channels in the same menu In the main menu and the single component display menu it moves between the channels of the con nected analyzers and analyzer ...

Страница 31: ...ic the F4 softkey changes to to allow changing of the sign from positive to negative if applicable 4 Use the softkey or the softkey change the entire value scroll among the available variables or change the value of a selected digit or character 5 Use the softkey or the softkey to select digits within a number For some variables the quantity of digits or characters can be changed 6 Press the softk...

Страница 32: ... is con nected to the system an additional Run Mode display will show as many as four five for version 2 3 and later gas meas urements on the display screen f Main Menu Pressing the Main F3 softkey or the softkey while in any single component display will bring up the Main Menu From the Main menu it is possible to change all operating values of the analyzer to set up and control the parameters of ...

Страница 33: ...OHG Manufactured by Fisher Rosemount GmbH Co OHG Industriestrasse 1 D 63594 Hasselroth Germany Tel 49 6055 884 0 FAX 49 6055 884 209 Or More CLD 7 50 ppm Measure Back Control Module Manufacturing Data C 2001 Fisher Rosemount Manufactured by Rosemount Analytical Inc 4125 East La Palma Avenue Anaheim CA 92807 1802 USA Tel 714 986 7600 FAX 714 577 8739 Or More CLD 7 50 ppm Measure Back Analyzer Modul...

Страница 34: ...s READY Span gas concentration 10 0 ppm Status STANDBY Measurement mode NO Ozonator status OFF PRES SW Ozonator power Enabled ZERO INFO NO NOx CLD 7 50 ppm Measure Analyzer and I O Expert Controls and Setup Back Analyzer module controls System network I O module controls Analyzer module setup System network I O module setup Note Controls setup are identical for MLT TFID Channel CLD 7 50 ppm Measur...

Страница 35: ...of components after the startup sequence See the Platform manual for instructions on binding combinations of modules Pressing the F1 softkey during initializing will reset the LCD brightness and contrast to fac tory settings See Section 3 6 page 3 11 Pressing the F3 softkey will abort the network initializing aborting any connection to other analyzers In that case only the menus of the local analy...

Страница 36: ... con trol of the analyzer and the viewing of channel parameters Examples of stepping through the menus are shown so that the user can be come familiar with the operation keeping in mind that displays and menu choices may be different depending on actual analyzer con figuration and any customization of the menus a Analyzer Channel Status The analyzer status is displayed in the Current measurement p...

Страница 37: ...ng the following steps to change from the single component display to the multi component display as follows From the single channel display Meas ure press Display F1 to change to the Multi Component Display of all other in stalled Analyzer Modules Changing to the multi component display can be done from each single component display Each bargraph shows the start and end of the range for the respe...

Страница 38: ...ill change ranges automatically when the pre sent range is exceeded Span gas concentration Allows setting of the calibration span gas con centration The default is the range upper limit Ozonator Power Used to turn off Disable the ozonator For applications where measurements are made infrequently but the analyzer is to remain on to avoid the warm up period the CLD would be placed in Standby mode an...

Страница 39: ...conditions The range of values are 20 100 for brightness and 1 45 for contrast These values can be reset to the defaults from the Multi Channel display screen Sec tion 3 4c page 3 9 by pressing LCDReset F1 function softkey and from the Start up display Figure 3 8 page 3 7 by pressing LCDReset F5 Switch automatically to Measure after This variable line allows setting of the delay time before any se...

Страница 40: ...nus pro vide for the configuration of system and net work I O SIO DIO and for the configuration of various functions on the CLD analyzer module NOTE Whenever the Channel tag appears above the F3 softkey pressing F3 will switch to any other installed analyzer modules one after the other and eventu ally back to the CLD module When activat ing any other installed module the menus will be different de...

Страница 41: ...e x upper limit and use the arrow softkeys to scroll the indi cated value The same applies for the Range x lower limit value b Physical Measurements Use the Physical Measurements menu to view various conditions of the CLD mod ule and to adjust the bypass flow limits Main Menu Analyzer and I O expert controls setup Analyzer module controls Physical measurements Figure 3 14 Physical Measurements Men...

Страница 42: ...ing provides that the alarm will remain active even after the gas concentration returns below the appropriate level until the ACKN softkey is pressed or it is reset from the remote I O ACKN Press the F3 softkey to acknowledge and reset any alarm d Linearization Parameters Linearization parameters allows the es tablishment of linearizer coefficients and the assignment of coefficient sets to indi vi...

Страница 43: ... up to 20 set points or by midpoint piecewise correction with up to three midpoints Main Menu Analyzer and I O expert controls setup Analyzer module setup Gas measurement parameters Linearization functions Figure 3 19 Linearization Functions Menu Polynomial Set Up Use the polynomial set up to generate a linearizing polynomial from up to 20 gases With more than 6 gases it will produce a fourth orde...

Страница 44: ...fourth order polynomial correction The results can be modified with the Midpoint correction also provided See Section 3 7e page 3 15 CAUTION The linearization curve must be mono tonic If it is not the calibration routine will fail and the analyzer will not cali brate Test this by copying the values of the linearization coefficients into a spreadsheet program and plotting the results The analyzer d...

Страница 45: ...nge They are adjustable from 0 1 to 30 seconds with a default of 3 0 sec onds The LON Update Rate is the rate at which the analyzer communicates over the system network It is adjustable to ASAP the fastest rate that the network communicates 10 per sec and 1 per sec The Output Delay Time establishes the delay for the DIO and analog outputs to respond to a change in concentration value It is adjusta...

Страница 46: ...ration values are for all ranges Indi vidual ranges cannot be set to different units Main Menu Analyzer and I O expert controls setup Analyzer module setup Gas measurement parameters Units Figure 3 26 Display Units Menu Select the desired parameter and change the units as follows Gas measurement units ppm ppb mg Nm3 Pressure measurement units hPa psig Temperature measurement units C F ppm to mg Nm...

Страница 47: ...emperature 51 5 C Capillary flow rate 200 cc min From the Physical Measurements menu Figure 3 14 select Pressure limits submenu to view and set the alarm pres sure limits for the sample capillary and the ozonator Figure 3 27 Pressure Limits Menu The nominal values are Capillary upper limit 7 1 psig Capillary lower limit 0 7 psig Ozone upper limit 15 2 psig Ozone lower limit 10 2 psig In the Physic...

Страница 48: ...rgraph NO NOx Displays the current mode NO or NOx Noise level Displays the concentration noise level in ppm in the range 0 0 to 0 1 with a bar graph t90 time Displays the t90 response time for the displayed range with a bargraph Output delay time Displays the output delay time setting with a bargraph Calibration status Displays the calibration status READY Calibration Linearizer ________________ M...

Страница 49: ...rols calibration See Section 3 8b page 3 22 This method allows the user to input a span calibration gas value and perform a zero or span calibration for each of the four ranges This method uses calibration parameters es tablished in the module setup menus See Section 3 8a page 3 21 Expert Controls calibration See Section 3 8c page 3 23 This method allows the user to perform a zero or span calibrat...

Страница 50: ...Calibration Failure Alarm is enabled Calibration time out Sets how long the analyzer will wait for the signal to stabilize before issuing a Warning Zero Span ranges Used to select whether to calibrate ranges TOGETHER or SEPARATELY If to gether zeroing or spanning will go through each range one by one If the change required is too great it will fail and send an alarm if warning alarms are en abled ...

Страница 51: ...ibra tion adjustment limits view the results and view or change the Factors that the analyzer uses to adjust the zero and span concentration reading In the Expert Controls menu Figure 3 12 set the desired measurement range number to be calibrated Change the measurement mode using the NO NOx toggle control Select Zero Span calibration menu line Figure 3 33 Zero Span Calibration Menu The zero and sp...

Страница 52: ...ing calibration gas and setting the Factor for zero or span until the reading conforms to the calibration gas value In this way the user can force the analyzer to any desired reading Alternately the Factors can be viewed and recorded after an automatic calibration NOTE If zero calibration is done with other than a true zero gas followed by a span calibration it may be necessary to re peat the cali...

Страница 53: ...een set to an extreme value in the proc ess To remedy the problem do the following 1 Select the following from the Main Menu Analyzer and I O Expert Controls Setup Analyzer Mod ule Set Up and Calibration Pa rameters 2 Using the arrow select Zero Ranges press ENTER and using the up down arrows toggle to SEPARATE Do the same for the Span Ranges selection Do not press ESCAPE at any time unless retent...

Страница 54: ...orresponding message will be dis played instead of the menu The System SIO Module menu provides submenus for setting up the output configura tions of the SIO signals The SIO board can contain 2 to 8 analog outputs a serial inter face RS232 or RS485 and three relay out puts General configuration of the SIO board is contained in its own manual If the SIO board is installed in the analyzer the line M...

Страница 55: ...may be different depending on the installed modules Choose signal Figure 3 42 Analog Output Setup Menu Choose signal Select the Signals submenu by selecting the Choose signal line and pressing the softkey The list of signals will de pend on the module chosen Press the F5 softkey to go to additional menus to choose the Primary Variable signal for the analog output The Primary Variable is the actual...

Страница 56: ...ule Fails Menu Output s value on analyzer failure Choose the desired signal level to cause a failure condition The choices are Actual BeginOfRange EndOfRange BeginOfRange 10 BeginOfRange 10 Output number Choose the output number 1 8 for set ting the fine adjustment Operation mode Normal The absolute measurement sig nal will be sent to the analog output Adjust 0V Used to set the display equal to th...

Страница 57: ...e Setup The submenu Serial Interface Setup is used to set the parameters for data trans fer between the analyzer and external de vices The choices in this menu depend on the configuration of the analyzer The full specification of the serial interface is described in its own manual In the System SIO Module menu Figure 3 40 page 3 26 select Serial interface setup Figure 3 47 Serial Interface Setup M...

Страница 58: ...ds to the relay number 1 3 Invert signal Disabled signal is normal Enabled signal is inverted Choose source module Figure 3 50 Choose Source Module Menu Choose desired source module for the re lay output number 1 3 being configured The list of modules will depend on the in stalled modules Choose signal Figure 3 51 Choose Signal Menu Choose desired signal for the relay output number 1 3 being confi...

Страница 59: ...ides sub menus for setting up the output configurations of the DIO signals The DIO board is com prised of 8 digital inputs and 24 digital out puts Functions of supported analyzer modules can be attached to each input and a signal to each output Further detailed infor mation about the DIO board is contained in its own manual If there is no DIO module installed in the ana lyzer a corresponding messa...

Страница 60: ...agement 1 System reset System reset and re initializing of the analyzer 1 Not used in this module See NGA 2000 Platform man ual PN 760006 a Diagnostic Menus From the System Configuration and Di agnostics menu Figure 3 53 page 3 32 select Diagnostic menus Figure 3 54 Diagnostic Menu This menu has two submenus for viewing and resetting any software errors The Control module diagnostics menu is not a...

Страница 61: ...ontrol PID algorithms Al lows setting of the warning alarms for the temperatures Press the MORE F3 softkey for the Ozonator settings Figure 3 59 Temperature Control Menu Screen 2 Displays the parameters used by the temperature control PID algorithms Allows setting of the warning alarms for the temperatures CLD 7 50 ppm HOME Analyzer Diagnostics Power supply voltages 15V analog is 15 06 V 15V analo...

Страница 62: ...h serial interface is installed NOTE When loading configuration data all of the current configuration in the mem ory will be overwritten Figure 3 62 Load Save Configuration CM MCA Menu If asked confirm with the F2 Yes softkey or cancel and go back to the menu page with the F4 Back or softkey Send configuration to serial interface The configuration data in memory will be sent through the serial int...

Страница 63: ...ss the F3 softkey to set the new time and date The Current time line will change to reflect the new time and date set d Security Codes From the System Configurations and Di agnostic menu Figure 3 53 page 3 32 select Security codes This menu is used to set the security codes for the three levels of security CAUTION If a security code is lost or forgotten there is no possibility of entering the lock...

Страница 64: ...softkeys The asterisk symbol will appear for each entry If the code is incorrect the message Ready will appear in the line and access to the locked level is prevented If the code is correct the display will change to the locked level after the last digit of the correct code is entered NOTE Once a locked security level has been entered it will remain unlocked even after exiting to a different secur...

Страница 65: ...300 C to 400 C 572 F to 752 F The current converter temperature can be viewed in the Physical measurement menu To access the converter temperature adjustment Main Menu Analyzer and I O expert controls setup Analyzer module setup Physical measurements parameters Follow this procedure to optimize the operat ing temperature of the converter 1 Power up the module and allow it to stabi lize at operatin...

Страница 66: ...re com monly used but specially treated aluminum is preferred for low parts per million NO samples An ozone generator utilizing an ultraviolet lamp not a corona discharge A corona discharge ozone generator is undesirable because it may produce oxy gen atoms which can then combine with atmospheric nitrogen to form NO The re sult can be an erroneously high value for the measured conversion efficienc...

Страница 67: ...nt range NOTE In the initial measurement after lowering the temperature setpoint in Step 2 the efficiency will nor mally be less than 92 14 Reset converter temperature setpoint 20 C higher wait 15 minutes for temperature equilibration and measure conversion efficiency by re peating Steps 3 through 13 Conver sion efficiency should be improved 15 Repeat Step 14 until a 95 to 98 efficiency is attaine...

Страница 68: ...ersion efficiency is real and not due to measurement error introduced by the test setup the converter must be replaced See Section 4 4 page 4 1 The usual cause of converter failure is destruction of a large part of the catalytic material by excessive heat This is due ei ther to an excessively high temperature setpoint or failure of the converter tem perature control circuitry e Capillaries Replace...

Страница 69: ...ODULE NO in AIR ADDED OZONATOR OFF a b b a c d c OZONATOR ON N2 90 80 85 20 0 FLOWMETER FM2 METERING VALVE MV2 CONNECTOR C2 115 VAC VARIABLE TRANSFORMER OFF T1 OZONATOR UTILIZING ULTRAVIOLET LAMP FLOWMETER FM1 METERING VALVE MV1 CONNECTOR C1 ZERO AIR STANDARD GAS NO IN N2 BACKGROUND TO NOX MODE d ALL LINES AND FITTINGS STAINLESS STEEL OR TEFLON ON Efficiency 100 1 a b c d CONNECTOR C3 FLOW APPROXI...

Страница 70: ...nc A Division of Emerson Process Management Operation 3 43 Model NGA2000 CLD Figure 3 68 Conversion Efficiency as a Function of Converter Temperature Final 2 degree higher adjustment Final 1 degree lower adjustment About 97 Converter Temperature Converter Efficiency ...

Страница 71: ... the fuse remove power to the Analyzer Module See Figure 1 3 page 1 3 for the location of the Power Supply Board main power fuse which protects 24 VDC input to the module 4 3 FANS Refer to Figure 4 1 page 4 2 To replace ei ther rear panel fan remove the cover of the Analyzer Module and then the rear panel Disconnect connectors and remove screws Assemble in reverse order 4 4 CONVERTER Refer to Figu...

Страница 72: ...5520 Insulator LON Power Module Power Supply Board 657520 Detector Case Insulator Detector Assembly 658160 See Figure 4 3 Driver Board 655620 NO NOx Solenoid 655263 Pressure Switch 662298 Fan Guard Fan Guard EMI Shield Converter Assembly 655250 See Figure 4 2 Glass Tube Connectors Fan 655245 2 Ozonator Power Supply 657716 Fuse Power 903347 1 4 Figure 4 1 CLD Module Assembly Optional Bypass Flow Se...

Страница 73: ...sembly of this component Although the heater and thermostat can be removed to facilitate handling contact with the white heatsink compound can be mini mized by leaving these items in place Re move the 2 screws holding the top plate of the Detector and move the plate along the wires and away from the Detector Remove the 2 screws holding the tube assembly in place Hold the tubing with one hand while...

Страница 74: ...otodiode as a seal d Photodiode Installation To replace the photodiode carefully remove the diode from the green socket and replace with a new one Before mounting the new di ode the top cap of the enclosure should be temporarily removed and the 2 screws holding the Reaction Chamber loosened about two turns This allows air which is trapped between the O ring seals to escape when the diode is insert...

Страница 75: ...n Chamber Retainer Gasket M3X0 5 x 25mm Screw 2 3mm Spring Washer 2 O Ring 876478 Photodiode Assembly see detail below see detail below M3X0 5 x 20mm Screw 2 3mm Spring Washer 2 Detector Cover M3X0 5 x 16mm Screw 2 3mm Spring Washer 2 Photodiode Cable Lower Cover Insulator between Lower Cover and Mounting Bracket Nylon Shoulder Washers 3 Photodiode Case Ground M3X0 5 x 16mm Screw 3 Thermistor 6552...

Страница 76: ...Instruction Manual 760000 C November 2002 4 6 Maintenance and Service Rosemount Analytical Inc A Division of Emerson Process Management Model NGA2000 CLD ...

Страница 77: ...LEAKS Liberally cover all fittings seals and other possible sources of leakage with a suitable leak test liquid such as SNOOP part 837801 Bubbling or foaming indicates leak age Checking for bubbles will locate most leaks but could miss some as some areas are inaccessible to the application of SNOOP For positive assurance that system is leak free perform one of the tests above ...

Страница 78: ...Instruction Manual 760000 C November 2002 5 2 Troubleshooting Rosemount Analytical Inc A Division of Emerson Process Management Model NGA2000 CLD ...

Страница 79: ...ULE Code Software Version 01 Current Version Software 02 2 2 1 Version Software 03 3X Version Software specify version Code Configuration Identifier 1 A Calibrated Low Ranges 0 10 0 25 0 100 0 250 ppm B Calibrated Low Ranges 0 10 0 30 0 100 0 300 ppm C Calibrated Low Ranges 0 10 0 50 0 100 0 500 ppm D Calibrated High Ranges 0 250 0 1000 0 2500 0 10000 E Calibrated High Ranges 0 300 0 1000 0 3000 0...

Страница 80: ... 659494 Lamp Ozone Generator 657719 Ozone Generator 657520 Power Supply Board 657716 Power Supply Ozone Generator 655253 Pressure Sensor Sample 662298 Pressure Switch 659895 PROM 660400 Regulator Brass Neoprene 2 psig 655269 Regulator Brass Neoprene 7 psig 660401 Regulator SS Viton 2 psig 659063 Regulator SS Viton 5 psig 902931 Sensor Flow 655254 Sensor Ozone Pressure 655580 Signal Board 655263 So...

Страница 81: ... equipment 4 Enclose a cover letter and purchase order and ship the defective equipment accord ing to instructions provided in the Rose mount Return Authorization prepaid to the address provided by Rosemount CSC Rosemount Analytical Inc Process Analytical Division Customer Service Center 1 800 433 6076 If warranty service is expected the defective unit will be carefully inspected and tested at the...

Страница 82: ...Instruction Manual 760000 C November 2002 7 2 Return of Material Rosemount Analytical Inc A Division of Emerson Process Management Model NGA2000 CLD ...

Страница 83: ...0 Calibration time out 3 22 capillaries 3 40 cause of converter failure 3 40 change the alarm limits 3 13 chemiluminescence method of detection 1 1 choose signal 3 27 Choose signal 3 30 choose source module 3 30 choose the analyzer module 3 27 CLD Analyzer Module Installation into Platform 2 1 installation location temperature restrictions 2 2 power connection 2 4 communication protocol 3 29 Compu...

Страница 84: ...c 3 16 N NO NOx 3 20 NO NOx flow balance 3 34 Noise level 3 20 O operation mode 3 28 adjust 0V 3 28 adjust 10V 3 28 normal 3 28 Operational state 3 20 output current 3 28 output delay time 3 17 3 20 output number 3 30 Output number 3 28 output s value on analyzer failure 3 28 Ozonator 3 20 Ozonator Power 3 10 Ozonator Source Gas 2 3 P photodiode 1 1 3 20 4 4 PIN 3 35 point to be measured 3 16 powe...

Страница 85: ...e 3 28 Span gas concentration 3 10 special scaling for concentration signal 3 28 subnormal efficiency 3 40 Switch automatically to 3 11 Switch off backlight 3 11 System calibration 3 32 System reset 3 32 T t90 time 3 17 3 20 Tag Line 3 2 TEA Scrubber 3 40 temperature control PID algorithms 3 33 Temperature measurement 3 18 Text Line 3 2 thermistor 4 4 V Validity 3 20 Variable Line 3 2 vitreous car...

Страница 86: ...Instruction Manual 760000 C November 2002 8 4 Index Rosemount Analytical Inc A Division of Emerson Process Management Model NGA2000 CLD ...

Страница 87: ... sensor PN 902931 has been re moved This does not affect the operation accuracy or safety of the analyzer It means that the bypass flow is no longer measured Therefore the platform display has been modified to show Sample pressure Block temperature Ozonator Converter temperature The CLD physical parameter will now indicate zero sample flow and generate a validity and warning alarm which will not b...

Страница 88: ... 657473 VENT CAPILLARY 70 cc min 4 psig PN 634398 TEE 1 8T KYNAR TEE 1 8T KYNAR TUBING 1 4 O D TEFLON REDUCER 1 4T 1 8T CRES SENSOR SAMPLE PRESSURE 15 PSIG REDUCER 1 8T 1 16T CRES CROSS 1 8T CRES CONN MALE 1 8T 3 8NPT CRES TEE 1 8T KYNAR CONN GLASS TUBE 2 NOx NO CONVERTER NC NO C CONN 1 8T 1 8NPT BRASS RESTRICTOR AIR 130 cc min 12 psig CONN MALE 1 8T 3 8NPT BRASS PRESSURE SWITCH 4 15 psig NO TUBIN...

Страница 89: ...ctly or indirectly arising from the use of the equipment or goods from breach of any warranty or from any other cause All other warranties expressed or implied are hereby excluded IN CONSIDERATION OF THE HEREIN STATED PURCHASE PRICE OF THE GOODS SELLER GRANTS ONLY THE ABOVE STATED EXPRESS WARRANTY NO OTHER WAR RANTIES ARE GRANTED INCLUDING BUT NOT LIMITED TO EXPRESS AND IMPLIED WARRANTIES OR MERCH...

Страница 90: ...dan Crescent Singapore 128461 Republic of Singapore T 65 777 8211 F 65 777 0947 http www processanalytic com EUROPEAN TECHNOLOGY CENTER Fisher Rosemount GmbH Co Industriestrasse 1 63594 Hasselroth Germany T 49 6055 884 0 F 49 6055 884209 EUROPE MIDDLE EAST AFRICA Fisher Rosemount Ltd Heath Place Bognor Regis West Sussex PO22 9SH England T 44 1243 863121 F 44 1243 845354 LATIN AMERICA Fisher Rosemo...

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