Teledyne 200EH Instruction Manual
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Teledyne 200EH Instruction Manual

Nitrogen oxides analyzer
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NITROGEN OXIDES ANALYZER
© TELEDYNE ADVANCED POLLUTION INSTRUMENTATION
Copyright 2007
Teledyne Advanced Pollution Instrumentation
INSTRUCTION MANUAL
MODEL 200EH/EM
9480 CARROLL PARK DRIVE
SAN DIEGO, CA 92121-5201
USA
Toll-free Phone:
Phone:
Fax:
Email:
Website:
800-324-5190
858-657-9800
858-657-9816
api-sales@teledyne.com
http://www.teledyne-api.com/
04521
Rev. B6
09 April 2007

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  • Page 1 INSTRUCTION MANUAL MODEL 200EH/EM NITROGEN OXIDES ANALYZER © TELEDYNE ADVANCED POLLUTION INSTRUMENTATION 9480 CARROLL PARK DRIVE SAN DIEGO, CA 92121-5201 Toll-free Phone: 800-324-5190 Phone: 858-657-9800 Fax: 858-657-9816 Email: api-sales@teledyne.com Website: http://www.teledyne-api.com/ 04521 Rev. B6 Copyright 2007 09 April 2007 Teledyne Advanced Pollution Instrumentation...
  • Page 3 NOTE Technical Assistance regarding the use and maintenance of the Model 200EH/EM NO Analyzer or any other Teledyne Instruments product can be obtained by: Contacting Teledyne Instruments’ Customer Service Department at 800-324-5190 Via the internet at http://www.teledyne-api.com/inquiries.asp 05146 Rev B4...

  • Page 5: Table Of Contents

    Model 200EH/EM Instruction Manual M200EH/EM Documentation TABLE OF CONTENTS 1. M200EH/EM Documentation..............................1 1.1. Using This Manual................................1 2. Specifications, Approvals and Warranty........................... 3 2.1. M200EH/EM Operating Specifications ..........................3 2.2. CE Mark Compliance ............................... 4 2.3. Warranty................................... 4 3. Getting Started ..................................7 3.1.
  • Page 6 M200EH/EM Documentation Model 200EH/EM Instruction Manual 5.9.3. Ethernet (OPT 63) ..............................50 5.10. Sample Gas Conditioners (OPTs 86 & 88)........................51 5.11. Alarm Relay Option (OPT 67)............................51 5.12. Special Software Features ............................53 5.12.1. Maintenance Mode Switch............................ 53 5.12.2. Second Language Switch ............................. 53 5.12.3.
  • Page 7 Model 200EH/EM Instruction Manual M200EH/EM Documentation 6.13.4.2. Physical Range versus Analog Output Reporting Ranges ................111 6.13.5. ANALOG I/O CONFIGURATION ........................113 6.13.5.1. The Analog I/O Configuration Submenu..................... 113 6.13.5.2. Analog Output Signal Type and Range Selection ..................115 6.13.5.3.
  • Page 8 M200EH/EM Documentation Model 200EH/EM Instruction Manual 9.3. Maintenance Procedures.............................. 177 9.3.1. Changing the Sample Particulate Filter ........................ 178 9.3.2. Changing the O Dryer Particulate Filter....................... 179 9.3.3. Changing the Ozone Filter Chemical ........................180 9.3.4. Rebuilding the External Sample Pump ......................... 182 9.3.5.
  • Page 9 Model 200EH/EM Instruction Manual M200EH/EM Documentation 10.4.12. I C Data Bus ..............................221 10.4.13. Power-up Circuit ............................... 221 10.5. Power Distribution &Circuit Breaker ........................... 222 10.6. Communications Interface............................223 10.6.1. Front Panel Interface ............................224 10.6.1.1. Analyzer Status LED’s ..........................224 10.6.1.2.
  • Page 10 12.4.2.2. Working at an Anti-ESD Work Bench......................281 12.4.2.3. Transferring Components from Rack to Bench and Back ................282 12.4.2.4. Opening Shipments from Teledyne Instruments Customer Service............282 12.4.2.5. Packing Components for Return to Teledyne Instruments Customer Service..........283 LIST OF FIGURES Figure 3-1: M200EH/EM Layout........................8...
  • Page 11 Model 200EH/EM Instruction Manual M200EH/EM Documentation Figure 5-10: M200EH/EM Multidrop Card......................49 Figure 5-11: M200EH/EM Ethernet Card ......................50 Figure 5-12: M200EH/EM Rear Panel with Ethernet Installed.................50 Figure 5-13: Alarm Relay Output Pin Assignments..................52 Figure 6-1: Front Panel Display........................55 Figure 6-2: Viewing M200EH/EM TEST Functions ..................58 Figure 6-3: Viewing and Clearing M200EH/EM WARNING Messages ............59...
  • Page 12 Relay PCA Mounting Screw Locations ..................274 Figure 12-1: Triboelectric Charging ........................277 Figure 12-2: Basic anti-ESD Work Station ......................280 LIST OF TABLES Table 2-1: Model 200EH/EM Basic Unit Specifications ..................3 Table 3-1: Analog Output Data Type Default Settings..................11 Table 3-2: Analog Output Pin-Outs.......................11 Table 3-3: Status Output Signals ........................12...
  • Page 13 Model 200EH/EM Instruction Manual M200EH/EM Documentation Table 6-4: Primary Setup Mode Features and Functions ................61 Table 6-5: Secondary Setup Mode Features and Functions ................61 Table 6-6: Front Panel LED Status Indicators for iDAS................63 Table 6-7: iDAS Data Channel Properties ....................64 Table 6-8: iDAS Data Parameter Functions....................65...
  • Page 14 M200EH/EM Documentation Model 200EH/EM Instruction Manual Table 12-2: Sensitivity of Electronic Devices to Damage by ESD ............... 278 LIST OF APPENDICES APPENDIX A - VERSION SPECIFIC SOFTWARE DOCUMENTATION APPENDIX A-1: M Software Menu Trees, Revision F.0 200EH/EM APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 APPENDIX A-3: Warnings and Test Functions, Revision F.0...

  • Page 15: M200Eh/Em Documentation

    Entries in the table of contents are linked to the corresponding locations in the manual. • Ability to print sections (or all) of the manual Additional documentation for the Model 200EH/EM Nitrogen Oxides Analyzer is available from Teledyne Instruments’ website at http://www.teledyne-api.com/manuals/ •...
  • Page 16 M200EH/EM Documentation Model 200EH/EM Instruction Manual 6.0 Operation Instructions Step by step instructions for operating the analyzer. 7.0 Calibration Procedures General information and step by step instructions for calibrating your analyzer. 8.0 EPA Protocol Calibration Because there is no single, standard method for EPA equivalency in application where high concentrations of are measured, no specific EPA calibration/validation method is included in this manual.

  • Page 17: Specifications, Approvals And Warranty

    Model 200EH/EM Instruction Manual Specifications, Approvals and Warranty 2. SPECIFICATIONS, APPROVALS AND WARRANTY 2.1. M200EH/EM OPERATING SPECIFICATIONS Table 2-1: Model 200EH/EM Basic Unit Specifications Min/Max Range 200EH: Min: 0-5 ppm; Max: 0-5000 ppm (Physical Analog Output) 200EM: Min: 0-1 ppm; Max: 0-200 ppm...

  • Page 18: Ce Mark Compliance

    90 days after the purchase. If a product fails to conform to its specifications within the warranty period, Teledyne Instruments shall correct such defect by, in Teledyne Instruments’ discretion, repairing or replacing such defective product or refunding the purchase price of such product.
  • Page 19 INSTRUMENTS' PERFORMANCE HEREUNDER, WHETHER FOR BREACH OF WARRANTY OR OTHERWISE. Terms and Conditions All units or components returned to Teledyne Instruments should be properly packed for handling and returned freight prepaid to the nearest designated Service Center. After the repair, the equipment will be returned, freight prepaid.

  • Page 21: Getting Started

    Model 200EH/EM Instruction Manual Getting Started 3. GETTING STARTED 3.1. UNPACKING AND INITIAL SETUP CAUTION THE M200EH/EM WEIGHS ABOUT 17 KG (40 POUNDS) WITHOUT OPTIONS INSTALLED. TO AVOID PERSONAL INJURY, WE RECOMMEND TO USE TWO PERSONS TO LIFT AND CARRY THE ANALYZER.

  • Page 22: M200Eh/Em Layout

    Getting Started Model 200EH/EM Instruction Manual VENTILATION CLEARANCE: Whether the analyzer is set up on a bench or installed into an instrument rack, be sure to leave sufficient ventilation clearance. AREA MINIMUM REQUIRED CLEARANCE Back of the instrument 10 cm / 4 inches Sides of the instrument 2.5 cm / 1 inch...

  • Page 23: Figure

    Model 200EH/EM Instruction Manual Getting Started ALARM OUT NO C NC NO C NC NO C NC NO C NC Figure 3-2: M200EH/EM Rear Panel Layout Figure 3-3: M200EH/EM Front Panel Layout 05146 Rev B4...

  • Page 24: Electrical Connections

    Getting Started Model 200EH/EM Instruction Manual 3.1.2. ELECTRICAL CONNECTIONS Refer to Figure 3-2 for the location of the rear panel electrical and pneumatic connections. 3.1.2.1. Power Connection Attach the power cord to the analyzer and plug it into a power outlet capable of carrying at least 10 A current at your AC voltage and that it is equipped with a functioning earth ground.

  • Page 25: Analog Output Connections

    Model 200EH/EM Instruction Manual Getting Started 3.1.2.2. Analog Output Connections The M200H/EM is equipped with four analog output channels accessible through a connector on the back panel of the instrument. Each of these outputs may be set to reflect the value of any of the instrument’s iDAS data types.

  • Page 26: Connecting The Status Outputs

    Getting Started Model 200EH/EM Instruction Manual 3.1.2.3. Connecting the Status Outputs If you wish to utilize the analyzer’s status outputs to interface with a device that accepts logic-level digital inputs, such as programmable logic controller (PLC) chips, you can access them through a 12 pin connector on the analyzer’s rear panel labeled STATUS.

  • Page 27: Connecting The Control Inputs

    Model 200EH/EM Instruction Manual Getting Started 3.1.2.4. Connecting the Control Inputs If you wish to use the analyzer to remotely activate the zero and span calibration modes, several digital control inputs are provided through a 10-pin connector labeled CONTROL IN on the analyzer’s rear panel.

  • Page 28: Connecting The Serial Ports

    3.1.2.6. Connecting to a LAN or the Internet If your unit has a Teledyne Instruments Ethernet card (Option 63), plug one end of a 7’ CAT5 cable into the appropriate place on the back of the analyzer (see Figure 5-11 in Section 5.9.3) and the other end into any nearby Ethernet access port.

  • Page 29: Pneumatic Connections

    Model 200EH/EM Instruction Manual Getting Started 3.1.3. PNEUMATIC CONNECTIONS NOTE To prevent dust from getting into the analyzer, it was shipped with small plugs inserted into each of the pneumatic fittings on the rear panel. Make sure that all dust plugs are removed before attaching exhaust and supply gas lines.

  • Page 30: Calibration Gases

    Getting Started Model 200EH/EM Instruction Manual Orifice Dia. NO/NO FLOW PRESSURE 0.003" VALVE SENSOR PCA SAMPLE Particulate Filter INLET VACUUM BYPASS PRESSURE MANIFOLD SENSOR SAMPLE Converter EXHAUST PRESSURE SENSOR OUTLET AUTOZERO VALVE Purifier GENERATOR Orifice Dia. 0. 007" Scrubber PUMP...

  • Page 31: Table 3-6: Nist-Srm's Available For Traceability Of No

    100 ppm NOTE: If a dynamic dilution system such as the Teledyne Instruments model 700 is used to dilute high concentration gas standards to low, ambient concentrations, Make sure that: The NO concentration of the reference gas matches the dilution range of the calibrator.

  • Page 32: Pneumatic Connections To M200Eh/Em Basic Configuration

    Getting Started Model 200EH/EM Instruction Manual 3.1.3.2. Pneumatic Connections to M200EH/EM Basic Configuration: Figures 3-7 and 3-8 show the most common configurations for gas supply and exhaust lines to the Model Analyzer. Please refer to Figure 3-2 for the locations of pneumatic connections on the rear panel and 200EH/EM Table 3-5 for nomenclature.

  • Page 33: Connections With Internal Valve Options Installed

    Model 200EH/EM Instruction Manual Getting Started 1. Attach a 1/4" exhaust line between the external pump exhaust port of the analyzer. 2. Attach an additional 1/4" exhaust port of the pump. CAUTION The exhaust from the analyzer needs to be vented outside the shelter or immediate area surrounding the instrument and conform to all safety requirements using a maximum of 10 meters of 1/4”...

  • Page 34: Initial Operation

    Getting Started Model 200EH/EM Instruction Manual On/Off Source of Valves SAMPLE Gas VENT here if input is pressurized PUMP Sample Exhaust High Span Point MODEL Low Span Point 200EH/EM External Zero Zero Air Filter Air Scrubbe Figure 3-12: Pneumatic Connections–With 2-Span point Option (52) –Using Bottled Span Gas Once the appropriate pneumatic connections have been made, check all pneumatic fittings for leaks using the procedures defined in Section 11.5.

  • Page 35: Figure 3-13: Front Panel Display During Startup Sequence

    Model 200EH/EM Instruction Manual Getting Started System waits 3 seconds then automatically begins its SELECT START OR REMOTE initialization routine. No action required. START CHECKING FLASH STATUS System is checking the format of the instrument’s flash memory chip. CHECKING FIRMWARE STATUS...

  • Page 36: Warm-Up

    Getting Started Model 200EH/EM Instruction Manual 3.2.2. WARM-UP The M200EH/EM requires about 45 minutes warm-up time before reliable NO , NO and NO measurements can be taken. During that time, various portions of the instrument’s front panel will behave as follows.

  • Page 37: Table 3-8: Possible Warning Messages At Start-Up

    Model 200EH/EM Instruction Manual Getting Started The following table includes a brief description of the various warning messages that may appear after the warm-up time. If warning messages persist after 30 minutes, investigate their cause using the troubleshooting guidelines in Chapter 11. To view and clear warning messages, use the following key strokes:...

  • Page 38: Functional Check

    Getting Started Model 200EH/EM Instruction Manual 3.2.4. FUNCTIONAL CHECK After the analyzer’s components have warmed up for at least 30 minutes, verify that the software properly supports any hardware options that were installed. Check to make sure that the analyzer is functioning within allowable operating parameters. Appendix A and C include a list of test functions viewable from the analyzer’s front panel as well as their expected values.

  • Page 39: Calibration

    Model 200EH/EM Instruction Manual Getting Started 3.3. CALIBRATION 3.3.1. BASIC NO CALIBRATION PROCEDURE The initial calibration should be carried out using the same reporting range set up as used during the analyzer’s factory calibration. This will allow you to compare your calibration results to the factory calibration as listed on the Final Test and Validation Data Sheet.
  • Page 40 Getting Started Model 200EH/EM Instruction Manual If the dilution ration option is enabled on your M200EH/EM and your application involves diluting the sample gas before it enters the analyzer, set the dilution ration as follows: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST >...
  • Page 41 Model 200EH/EM Instruction Manual Getting Started STEP 4 – Zero/Span Calibration : To perform the zero/span calibration procedure: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X Set the Display to show the NOX STB test Analyzer continues to < TST TST > SETUP function. cycle through NO...

  • Page 42: Basic O

    Control Valve 200EH/EM PUMP Figure 3-14: Sensor Calibration Set Up SENSOR ZERO GAS: Teledyne Instruments’ recommends using pure N when calibration the zero point of your O sensor option. SENSOR SPAN GAS: Teledyne Instruments’ recommends using 21% O in N...
  • Page 43 Model 200EH/EM Instruction Manual Getting Started STEP 2 – activate O sensor stability function To change the stability test function from NO concentration to the O sensor output, press: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X SETUP X.X 0) DAS_HOLD_OFF=15.0 Minutes < TST TST >...
  • Page 44 Getting Started Model 200EH/EM Instruction Manual STEP 4 – O ZERO/SPAN CALIBRATION : To perform the zero/span calibration procedure: SAMPLE A 1:CONC1=50PPM CO =XXXX Set the Display to show < TST TST > SETUP the O2 STB test function. This function calculates...

  • Page 45: Interferences For No Measurements

    NO signal artifact. If the Model 200EH/EM is installed in an environment with high ammonia, steps should be taken to remove the interferent from the sample gas before it enters the reaction cell. Teledyne Instruments offers a sample gas conditioning option to remove ammonia and water vapor (Section 5.10).

  • Page 47: Frequently Asked Questions & Glossary

    4. FREQUENTLY ASKED QUESTIONS & GLOSSARY 4.1. FREQUENTLY ASKED QUESTIONS The following list contains some of the most commonly asked questions relating to the Model 200EH/EM NO Analyzer. Q: Why is the ZERO or SPAN key not displayed during calibration? A: The M200EH/EM disables certain keys whenever the chosen value is out of range for that particular parameter.

  • Page 48: Glossary

    Acronym – A short form or abbreviation for a longer term. Often artificially made up of the first letters of the phrase’s words. APICOM – Name of a remote control program offered by Teledyne-API to its customers ASSY - Acronym for Assembly.
  • Page 49 Model 200EH/EM Instruction Manual Frequently Asked Questions & Glossary DOC – Acronym for Disk On Chip, the analyzer’s central storage area for analyzer operating system, firmware, and data. This is a solid state device without mechanical, moving parts that acts as a computer hard disk drive under DOS with disk drive label “C”.

  • Page 51: Optional Hardware And Software

    Optional Hardware and Software 5. OPTIONAL HARDWARE AND SOFTWARE This section includes a descriptions of the hardware and software options available for the Model 200EH/EM Nitrogen Oxides Analyzer. For assistance with ordering these options please contact the sales department of...

  • Page 52: Carrying Strap Handle (Opt 29)

    Optional Hardware and Software Model 200EH/EM Instruction Manual 5.3. CARRYING STRAP HANDLE (OPT 29) The chassis of the M200EH/EM analyzer allows to attach a strap handle for carrying the instrument (Figure 5-1). The handle is located on the right side and pulls out to accommodate a hand for transport. When pushed in, the handle is nearly flush with the chassis, only protruding out about 9 mm (3/8”).

  • Page 53: Current Loop Analog Outputs (Opt 41)

    Call Teledyne Instruments sales for pricing and availability. The current loop option can be configured for any output range between 0 and 20 mA (for example 0-20, 2-20 or 4-20 mA).

  • Page 54: Particulate Filter Kit (Opt 42A)

    Figure 5-3 & 5-4 shows the internal, pneumatic layouts the zero/span valve option installed for a Model 200EH and M200EM respectively.

  • Page 55: Figure 5-3: M200Eh - Internal Pneumatics With Zero-Span Valve Option 50

    Model 200EH/EM Instruction Manual Optional Hardware and Software SAMPLE INLET SAMPLE / CAL VALVE FLOW PRESSURE Orifice Dia. SPAN 0.003" SENSOR PCA Particulate INLET Filter NO/NO VACUUM VALVE PRESSURE BYPASS SENSO R MANIFOLD ZERO GAS INLET SAMPLE Converter PRESSURE SENSO R...

  • Page 56: Second Range Span Valve (Opt 52)

    Optional Hardware and Software Model 200EH/EM Instruction Manual Table 5-1: Zero/Span Valve States MODE VALVE CONDITION Sample/Cal Open to sample gas inlet SAMPLE Zero/Span Open to zero air inlet Sample/Cal Open to zero/span inlet (activated) ZERO CALIBRATION Zero/Span Open to zero air inlet...

  • Page 57: Table 5-2: Two-Point Span Valve Operating States

    Model 200EH/EM Instruction Manual Optional Hardware and Software Table 5-2: Two-Point Span Valve Operating States MODE VALVE CONDITION Sample/Cal Open to SAMPLE inlet Zero Gas Valve Closed to ZERO AIR inlet SAMPLE High Span Valve Closed to HIGH SPAN inlet...

  • Page 58: Figure 5-5: M200Eh - Internal Pneumatics With Second Span Point Valve Option 52

    Optional Hardware and Software Model 200EH/EM Instruction Manual Particulate Filter FLOW PRESSURE Orifice Dia. 0.003" SENSOR PCA Span/Cal Valve SAMPLE NO/NO VACUUM VALVE INLET PRESSURE BYPASS SENSOR MANIFOLD SAMPLE High Span Converter PRESSURE Valve HIGH SENSOR SPAN AIR INLET AUTOZERO...

  • Page 59: Oxygen Sensor (Opt 65)

    Model 200EH/EM Instruction Manual Optional Hardware and Software Particulate Filter FLOW PRESSURE O rifice Dia. 0.003" SENSOR PCA Span/Cal Valve SAMPLE NO/NO VACUUM VALVE BYPASS INLET PRESSURE MANIFOLD SENSOR SAMPLE High Span Converter PRESSURE Valve HIGH SENSOR SPAN AIR INLET...

  • Page 60: Operation Within The M200Eh/Em Analyzer

    Optional Hardware and Software Model 200EH/EM Instruction Manual Oxygen from the sample stream is attracted into the magnetic field displacing the nitrogen filled spheres and causing the suspended mirror to rotate. This changes the amount of light reflected onto the photocells and therefore the output levels of the photocells.

  • Page 61: Sensor Option 65

    Model 200EH/EM Instruction Manual Optional Hardware and Software Sensor FLOW PRESSURE Orifice Dia. 0.003" SENSOR PCA SAMPLE Particulate Filter INLET NO/NO VACUUM VALVE PRESSURE BYPASS SENSO R MANIFOLD SAMPLE Converter PRESSURE SENSO R EXHAUST AUTOZERO VALVE OUTLET Purifier GENERATOR O rifice Dia.

  • Page 62: Charcoal Scrubber (Opt 64A)

    Optional Hardware and Software Model 200EH/EM Instruction Manual 5.8.2. CHARCOAL SCRUBBER (OPT 64A) This kit includes a charcoal scrubber cartridge, which is used to remove NO from an exhaust port. Applications include, but are not limited to, the removal of NO...

  • Page 63: M200Eh/Em Spare Parts Kit (Opt 43)

    Model 200EH/EM Instruction Manual Optional Hardware and Software 5.8.7. M200EH/EM SPARE PARTS KIT (OPT 43) This kit includes a recommended set of spare parts for 2-3 years of operation of the M200EH/EM. It includes items such as the orifice holder, a spare PMT and other items that are recommended as backups to minimize down-time in case of component failures.

  • Page 64: Ethernet (Opt 63)

    RS-232/RS-485 communications through the COM2 connector on the rear panel. The option consists of a Teledyne Instruments designed Ethernet card (see Figure 5-11), which is mechanically attached to the instrument’s rear panel (see Figure 5-12). A 7-foot long CAT-5 network cable, terminated at both ends with standard RJ-45 connectors, is included as well.

  • Page 65: Sample Gas Conditioners (Opts 86 & 88)

    Model 200EH/EM Instruction Manual Optional Hardware and Software 5.10. SAMPLE GAS CONDITIONERS (OPTS 86 & 88) ® Several permeation devices using Nafion permeation gas exchange tubes are available for applications with high moisture and/or moderate levels of NH in the sample gas. This type of sample conditioner is part of the...

  • Page 66: Figure 5-13: Alarm Relay Output Pin Assignments

    Optional Hardware and Software Model 200EH/EM Instruction Manual ALARM OUT NO C NC NO C NC NO C NC NO C NC CONCENTRATION CONCENTRATION ST_SYSTEM_OK2 SPARE ALARM 1 ALARM 2 (Optional Alert) Figure 5-13: Alarm Relay Output Pin Assignments Each of the two concentration relay outputs has 3-pin connections that allow the relay to be connected for either normally open or normally closed operation.

  • Page 67: Special Software Features

    This feature is of particular use for instruments connected to multidrop or Hessen protocol networks. 5.12.2. SECOND LANGUAGE SWITCH Teledyne Instruments analyzers are equipped with a switch that activates an alternate set of display messages in a language other than the instrument’s default language. This switch is accessed by opening the hinged front panel and is located on the rearward facing side of the display/keyboard driver PCA;...

  • Page 68: Extended Warranty (Opts 92 & 93)

    Optional Hardware and Software Model 200EH/EM Instruction Manual 5.14. EXTENDED WARRANTY (OPTS 92 & 93) Two options are available for extending the standard manufacturer’s warranty (Section 2.2). Both options have to be specified upon ordering the analyzer. OPTION NUMBER DESCRIPTION...

  • Page 69: Operating Instructions

    Model 200EH/EM Instruction Manual Operating Instructions 6. OPERATING INSTRUCTIONS To assist in navigating the analyzer’s software, a series of menu trees can be found in Appendix A of this manual. NOTE The flow charts appearing in this section contain typical representations of the analyzer’s display during the various operations being described.

  • Page 70: Table 6-1: Analyzer Operating Modes

    Operating Instructions Model 200EH/EM Instruction Manual Besides SAMPLE and SETUP, other modes the analyzer can be operated in are: Table 6-1: Analyzer Operating modes MODE EXPLANATION SAMPLE Sampling normally, flashing text indicates adaptive filter is on. M-P CAL This is the basic calibration mode of the instrument and is activated by pressing the CAL key.

  • Page 71: Sample Mode

    Model 200EH/EM Instruction Manual Operating Instructions 6.2. SAMPLE MODE This is the analyzer’s standard operating mode. In this mode, the instrument is analyzing NO and NO calculating NO concentrations. 6.2.1. TEST FUNCTIONS A series of test functions is available at the front panel while the analyzer is in SAMPLE mode. These parameters provide information about the present operating status of the instrument and are useful during troubleshooting (Section 11.1.2).

  • Page 72: Figure 6-2: Viewing M200Eh/Em Test Functions

    Operating Instructions Model 200EH/EM Instruction Manual SAMPLE A1:NXCNC1=100 PPM NOX = XXX < TST TST > CAL SETUP A1:NXCNC1=100 PPM A2:N0CNC1=100 PPM A3:N2CNC1=25 PPM Toggle <TST TST> keys to A4:NXCNC2=100% NOX STB scroll through list of functions SAMP FLOW 0ZONE FLOW...

  • Page 73: Warning Messages

    Model 200EH/EM Instruction Manual Operating Instructions 6.2.2. WARNING MESSAGES The most common instrument failures will be reported as a warning on the analyzer’s front panel and through the COM ports. Section 11.1.2 explains how to use these messages to troubleshoot problems. Section 0 shows how to view and clear warning messages.

  • Page 74: Calibration Mode

    Operating Instructions Model 200EH/EM Instruction Manual 6.3. CALIBRATION MODE 6.3.1. CALIBRATION FUNCTIONS Pressing the CAL key switches the M200EH/EM into calibration mode. In this mode, the user can calibrate the instrument with the use of calibrated zero or span gases.

  • Page 75: Setup Mode

    Model 200EH/EM Instruction Manual Operating Instructions 6.4. SETUP MODE The SETUP mode contains a variety of choices that are used to configure the analyzer’s hardware and software features, perform diagnostic procedures, gather information on the instruments performance and configure or access data from the internal data acquisition system (iDAS).

  • Page 76: Setup

    Operating Instructions Model 200EH/EM Instruction Manual 6.5. SETUP CFG: VIEWING THE ANALYZER’S CONFIGURATION INFORMATION Pressing the CFG key displays the instrument configuration information. This display lists the analyzer model, serial number, firmware revision, software library revision, CPU type and other information. Use this information to identify the software and hardware when contacting customer service.

  • Page 77: Setup

    The iDAS permits users to access stored data through the instrument’s front panel or its communication ports. Teledyne Instruments also offers APICOM, a program that provides a visual interface for configuration and data retrieval of the iDAS or using a remote computer. Additionally, the analyzer’s four analog output channels can be programmed to carry data related to any of the available iDAS parameters.

  • Page 78: Idas Structure

    Operating Instructions Model 200EH/EM Instruction Manual 6.7.1. IDAS STRUCTURE The iDAS is designed around the feature of a “record”, an automatically stored single data point. (e.g. concentration, PMT signal level, etc.). Records are organized into data channels which are defined by properties that characterize the: •...

  • Page 79: Idas Parameters

    For each Teledyne Instruments analyzer model, the list of available data parameters is different, fully defined and not customizable (see Appendix A.5 for a list of M200EH/EM parameters).

  • Page 80: Default Idas Channels

    The default data channels can be used as they are, or they can be customized from the front panel or through APICOM to fit a specific application. The Teledyne Instruments website contains this default and other sample iDAS scripts for free download. We recommend that the user backs up any iDAS configuration and its data before altering it.

  • Page 81: Table 6-9: M200Eh/Em Default Idas Configuration

    Model 200EH/EM Instruction Manual Operating Instructions Table 6-9: M200EH/EM Default iDAS Configuration PARAMETERS CHANNELS with PROPERTIES NAME MODE EVENT PRECISION SAMPLES Name: CONC NOXCNC1 Event: ATIMER Sample Period: 000:00:01 NOCNC1 Report Period: 000:01:00 Number of Records: 800 N2CNC1 RS-232 report: OFF...

  • Page 82: Viewing Idas Data And Settings

    Operating Instructions Model 200EH/EM Instruction Manual 6.7.2.1. Viewing iDAS Data and Settings IDAS data and settings can be viewed on the front panel through the following keystroke sequence. VIEW KEYPAD FUNCTIONS FUNCTION SAMPLE A1:NXCNC1=100PPM NOX=XXX.X <PRM Moves to the next Parameter <...

  • Page 83: Editing Idas Data Channels

    Model 200EH/EM Instruction Manual Operating Instructions 6.7.2.2. Editing iDAS Data Channels IDAS configuration is most conveniently done through the APICOM remote control program. The following list of key strokes shows how to edit using the front panel. SAMPLE A1:NXCNC1=100PPM NOX=XXX.X <...

  • Page 84: Trigger Events

    Operating Instructions Model 200EH/EM Instruction Manual To edit the name of a data channel, follow the above key sequence and then press: FROM THE PREVIOUS KEY SEQUENCE … SETUP X.X NAME:CONC <SET SET> EDIT PRINT EXIT ENTR accepts the new SETUP X.X...

  • Page 85: Editing Idas Parameters

    Model 200EH/EM Instruction Manual Operating Instructions 6.7.2.4. Editing iDAS Parameters Data channels can be edited individually from the front panel without affecting other data channels. However, when editing a data channel, such as during adding, deleting or editing parameters, all data for that particular channel will be lost, because the iDAS can store only data of one format (number of parameter columns etc.) for...
  • Page 86 Operating Instructions Model 200EH/EM Instruction Manual To configure the parameters for a specific data parameter, press: FROM THE EDIT DATA PARAMETER MENU (see previous section) SETUP X.X 0) PARAM=NXCNC!, MODE=AVG PREV NEXT EDIT EXIT SETUP X.X PARAMETERS: NOCNC1 SET> EDIT EXIT SETUP X.X...

  • Page 87: Sample Period And Report Period

    Model 200EH/EM Instruction Manual Operating Instructions 6.7.2.5. Sample Period and Report Period The iDAS defines two principal time periods by which sample readings are taken and permanently recorded: • SAMPLE PERIOD : Determines how often iDAS temporarily records a sample reading of the parameter in volatile memory.
  • Page 88 Operating Instructions Model 200EH/EM Instruction Manual To define the REPORT PERIOD , follow the instruction shown in section 6.7.2.2 then press: From the DATA ACQUISITION menu (see Section 6.7.2.2) SETUP X.X ENTER DAS PASS: 818 Changing the SAMPLE PERIOD or REPORT...

  • Page 89: Number Of Records

    Model 200EH/EM Instruction Manual Operating Instructions 6.7.2.6. Number of Records The number of data records in the M200EH/EM is limited to a cumulative one million data points in all channels (one megabyte of space on the disk-on-chip). However, the actual number of records is also limited by the total number of parameters and channels and other settings in the iDAS configuration.

  • Page 90: Report Function

    Operating Instructions Model 200EH/EM Instruction Manual 6.7.2.7. RS-232 Report Function The M200EH/EM iDAS can automatically report data to the communications ports, where they can be captured with a terminal emulation program or simply viewed by the user. To enable automatic COM port reporting, follow the instruction shown in section 6.7.2.2 then press: From the DATA ACQUISITION menu (see Section 6.7.2.2)

  • Page 91: Disabling/Enabling Data Channels

    Model 200EH/EM Instruction Manual Operating Instructions 6.7.2.10. Disabling/Enabling Data Channels Data channels can be temporarily disabled, which can reduce the read/write wear on the disk-on-chip. The HIRES channel of the M200EH/EM, for example, is disabled by default. To disable a data channel, follow the instruction shown in section 6.7.2.2 then press: From the DATA ACQUISITION menu (see Section 6.7.2.2)

  • Page 92: Remote Idas Configuration

    Refer to the APICOM manual for details on these procedures. The APICOM user manual (Teledyne Instruments part number 039450000) is included in the APICOM installation file, which can be downloaded at http://www.teledyne-api.com/software/apicom/.

  • Page 93: Figure 6-5: Idas Configuration Through A Terminal Emulation Program

    Model 200EH/EM Instruction Manual Operating Instructions Figure 6-5: iDAS Configuration Through a Terminal Emulation Program Both procedures are best started by downloading the default iDAS configuration, getting familiar with its command structure and syntax conventions, and then altering a copy of the original file offline before uploading the new configuration.

  • Page 94: Setup

    Operating Instructions Model 200EH/EM Instruction Manual 6.8. SETUP RNGE: RANGE UNITS AND DILUTION CONFIGURATION This Menu is used to set the units of measure to be associated with the analyzer’s reporting ranges (see Section 6.13.3.2. for more information on reporting ranges vs. physical ranges) and for instruments with the sample gas dilution option operating, to set the dilution ratio.

  • Page 95: Dilution Ratio

    Model 200EH/EM Instruction Manual Operating Instructions 6.8.2. DILUTION RATIO The dilution ratio is a software option that allows the user to compensate for any dilution of the sample gas before it enters the sample inlet. 12. The SPAN value entered during calibration is the maximum expected concentration of the undiluted calibration gas 13.

  • Page 96: Pass: Password Feature

    Operating Instructions Model 200EH/EM Instruction Manual 6.9. SETUP PASS: PASSWORD FEATURE The M200EH/EM provides password protection of the calibration and setup functions to prevent unauthorized adjustments. When the passwords have been enabled in the PASS menu item, the system will prompt the user for a password anytime a password-protected function is requested.
  • Page 97 Model 200EH/EM Instruction Manual Operating Instructions SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > CAL SETUP prompts for SAMPLE ENTER SETUP PASS: 0 password number ENTR EXIT Example: this SAMPLE ENTER SETUP PASS: 0 Press individual password enables the keys to set...

  • Page 98: Setup Clk: Setting The Internal Time-Of-Day Clock

    Operating Instructions Model 200EH/EM Instruction Manual 6.10. SETUP CLK: SETTING THE INTERNAL TIME-OF-DAY CLOCK The M200EH/EM has a built-in clock for the AutoCal timer, Time TEST function, and time stamps on COM port messages and iDAS data entries. To set the time-of-day, press:...
  • Page 99 Model 200EH/EM Instruction Manual Operating Instructions In order to compensate for CPU clocks which run fast or slow, there is a variable to speed up or slow down the clock by a fixed amount every day. To change this variable, press:...

  • Page 100: Setup More Comm: Setting Up The Analyser's Communication Ports

    6.11.1. ANALYZER ID Each type of Teledyne Instruments analyzer is configured with a default ID code. The default ID code for all M200EH/EM analyzers is 200 . The ID number is only important if more than one analyzer is connected to the same communications channel such as when several analyzers are on the same Ethernet LAN (see Section 6.11.6);...

  • Page 101: Com Port Default Settings

    Cables that appear to be compatible because of matching connectors may incorporate internal wiring that make the link inoperable. Check cables acquired from sources other than Teledyne Instruments for pin assignments before using. 6.11.3. RS-232 COM PORT CABLE CONNECTIONS In its default configuration, the M200EH/EM analyzer has two available RS-232 Com ports accessible via 2 DB-9 connectors on the back panel of the instrument.

  • Page 102: Figure 6-7: Cpu Connector Pin-Outs For Com1 & Com2 In Rs-232 Mode

    Figure 6-7: CPU connector Pin-Outs for COM1 & COM2 in RS-232 mode. Teledyne Instruments offers two mating cables, one of which should be applicable for your use. • Part number WR000077, a DB-9 female to DB-9 female cable, 6 feet long. Allows connection of COM1 with the serial port of most personal computers.

  • Page 103: Configuration Of Com2

    RS-485 port capable of supporting up to 32 instruments with a maximum distance between the host and the furthest instrument being 4000 feet. If you require full-duplex or isolated operation, please contact Teledyne Instruments Customer Service. •...

  • Page 104: Dte And Dce Communication

    Operating Instructions Model 200EH/EM Instruction Manual When COM2 is configured for RS-485 operation the port uses the same female DB-9 connector on the back of the instrument as when Com2 is configured for RS-232 operation, however, the pin assignments are different.

  • Page 105: Ethernet Card Configuration

    Model 200EH/EM Instruction Manual Operating Instructions 6.11.6. ETHERNET CARD CONFIGURATION When equipped with the optional Ethernet interface, the analyzer can be connected to any standard 10BaseT Ethernet network via low-cost network hubs, switches or routers. The interface operates as a standard TCP/IP device on port 3000.

  • Page 106: Table 6-12: Lan/Internet Configuration Properties

    M200EH (EM) Editable all Teledyne Instruments analyzers is the model number, the host name may be changed to fit customer needs. Do not change the setting for this property unless instructed to by Teledyne Instruments Customer Service personnel. 05146 Rev B4...
  • Page 107 Model 200EH/EM Instruction Manual Operating Instructions NOTE It is a good idea to check these settings the first time you power up your analyzer after it has been physically connected to the LAN/Internet to make sure that the DHCP has successfully downloaded the appropriate information from you network server(s).

  • Page 108: Manually Configuring The Network Ip Addresses

    Operating Instructions Model 200EH/EM Instruction Manual 6.11.6.3. Manually Configuring the Network IP Addresses There are several circumstances when you may need to manually configure the interface settings of the analyzer’s Ethernet card. The INET sub-menu may also be used to edit the Ethernet card’s configuration properties •...
  • Page 109 Model 200EH/EM Instruction Manual Operating Instructions STEP 2: Configure the INSTRUMENT IP , GATEWAY IP and SUBNET MASK addresses by pressing: Internet Configuration Keypad Functions From Step 1 above) FUNCTION Press this key to cycle through the range of numerals and available characters (“0 – 9” & “ . ”) <CH CH>...

  • Page 110: Changing The Analyzer's Hostname

    The HOSTNAME is the name by which the analyzer appears on your network. The default name for all Teledyne Instruments Model 200EH/EME analyzers is M???? . To change this name (particularly if you have more than one M200EH/EM analyzer on your network), press.

  • Page 111: Multidrop Rs-232 Set Up

    One Teledyne Instruments option 62 installed. • One 6’ straight-through, DB9 male DB9 Female cable (Teledyne Instruments P/N WR0000101) is required for each analyzer. To set up the network, for each analyzer: 1. Turn the analyzer on and change its ID code (see Section 6.11.1) to a unique 4-digit number.

  • Page 112: Figure 6-12: Rs232-Multidrop Pca Host/Analyzer Interconnect Diagram

    DB9 Female cables, interconnect the host and the analyzers as shown in Figure 6-12. NOTE: Teledyne Instruments recommends setting up the first link, between the Host and the first analyzer and testing it before setting up the rest of the chain. •...

  • Page 113: Com Port Communication Modes

    Modes are listed in the order in which they appear in the SETUP MORE COMM COM[1 OR 2] MODE menu The default sting for this feature is ON. Do not disable unless instructed to by Teledyne Instruments Customer Service personnel. 05146 Rev B4...
  • Page 114 Operating Instructions Model 200EH/EM Instruction Manual Press the following keys to select a communication mode for a one of the COMM Ports, such as the following example where HESSEN PROTOCOL mode is enabled: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > CAL...

  • Page 115: Com Port Baud Rate

    Model 200EH/EM Instruction Manual Operating Instructions 6.11.9. COM PORT BAUD RATE To select the baud rate of one of the COM Ports, press: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > CAL SETUP PRIMARY SETUP MENU SETUP X.X CFG DAS RNGE PASS CLK...

  • Page 116: Com Port Testing

    Operating Instructions Model 200EH/EM Instruction Manual 6.11.10. COM PORT TESTING The serial ports can be tested for correct connection and output in the COMM menu. This test sends a string of 256 ‘w’ characters to the selected COM port. While the test is running, the red LED on the rear panel of the analyzer should flicker.

  • Page 117: Vars: Internal Variables (Vars)

    Model 200EH/EM Instruction Manual Operating Instructions 6.12. SETUP MORE VARS: INTERNAL VARIABLES (VARS) The M200EH/EM has several-user adjustable software variables, which define certain operational parameters. Usually, these variables are automatically set by the instrument’s firmware, but can be manually re-defined using the VARS menu.
  • Page 118 Operating Instructions Model 200EH/EM Instruction Manual To access and navigate the VARS menu, use the following key sequence: SAMPLE RANGE = 500.0 PPB NOX=X.X < TST TST > CAL SETUP PRIMARY SETUP MENU SETUP X.X CFG DAS RNGE PASS CLK MORE...

  • Page 119: Setting The Gas Measurement Mode

    Model 200EH/EM Instruction Manual Operating Instructions 6.12.1. SETTING THE GAS MEASUREMENT MODE In its standard operating mode the M200EH/EM measures NO, NO and NO . It can be set to measure only NO or Only NOX s can be set to measure NO or NO .

  • Page 120: Diag: Diagnostics Menu

    Operating Instructions Model 200EH/EM Instruction Manual 6.13. SETUP MORE DIAG: DIAGNOSTICS MENU A series of diagnostic tools is grouped together under the SETUP-MORE-DIAG menu. These parameters are dependent on firmware revision. These tools can be used in a variety of troubleshooting and diagnostic procedures and are referred to in many places of the maintenance and trouble-shooting sections.

  • Page 121: Accessing The Diagnostic Features

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.1. ACCESSING THE DIAGNOSTIC FEATURES To access the DIAG functions press the following keys: DIAG ANALOG I / O CONFIGURATION SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > CAL SETUP PREV NEXT ENTR EXIT DIAG DISPLAY SEQUENCE CONFIG.

  • Page 122: Signal I/O

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.2. SIGNAL I/O The signal I/O diagnostic mode allows to review and change the digital and analog input/output functions of the analyzer. See Appendix A-4 for a complete list of the parameters available for review under this menu.

  • Page 123: Analog Output Step Test

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.3. ANALOG OUTPUT STEP TEST This test can be used to check the accuracy and proper operation of the analog outputs. The test forces all four analog output channels to produce signals ranging from 0% to 100% of the full scale range in 20% increments.

  • Page 124: Analog Outputs And Reporting Ranges

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.4. ANALOG OUTPUTS AND REPORTING RANGES 6.13.4.1. Analog Output Signals Available on the M200EH/EM The analyzer has four analog output signals, accessible through a connector on the rear panel. ANALOG OUT 0-20 mA current loop...

  • Page 125: Physical Range Versus Analog Output Reporting Ranges

    Model 200EH/EM Instruction Manual Operating Instructions Additionally A1, A2 and A3 may be equipped with optional 0-20 mA current loop drivers. A4 is not available for the current loop option. Table 6-19: Analog Output Current Loop Range RANGE MINIMUM OUTPUT...
  • Page 126 Operating Instructions Model 200EH/EM Instruction Manual FOR THE M200EM: • Low range spans 0 to 20 ppm NO (20 ppm = 5 V); • High range spans 0-200 ppm NO (200 ppm = 5 V). If the high end of the selected reporting range is ≤ 20 ppm. The low physical range is selected. If the high end of the selected reporting range is >...

  • Page 127: Analog I/O Configuration

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.5. ANALOG I/O CONFIGURATION 6.13.5.1. The Analog I/O Configuration Submenu. Table 6-21 lists the analog I/O functions that are available in the M200EH/EM. Table 6-21: DIAG - Analog I/O Functions SUB MENU FUNCTION AOUTS...
  • Page 128 Operating Instructions Model 200EH/EM Instruction Manual 7. Calibrating the output channel. This can be done automatically or manually for each channel (see Sections 6.13.5). To access the analog I/O configuration sub menu, press: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X DIAG AIO A OUTS CALIBRATED: NO <...

  • Page 129: Analog Output Signal Type And Range Selection

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.5.2. Analog Output Signal Type and Range Selection To select an output signal type (DC Voltage or current) and level for one output channel press: From the AIO CONFIGURATION SUBMENU (See Section 6.13.4.1) DIAG...

  • Page 130: Turning The Analog Output Over-Range Feature On/Off

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.5.3. Turning the Analog Output Over-Range Feature ON/OFF In its default configuration a ± 5% over-range is available on each of the M200EH/EM’s analog output channels. This over-range can be disabled if your recording device is sensitive to excess voltage or current.

  • Page 131: Adding A Recorder Offset To An Analog Output

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.5.4. Adding a Recorder Offset to an Analog Output Some analog signal recorders require that the zero signal is significantly different from the baseline of the recorder in order to record slightly negative readings from noise around the zero point. This can be achieved in the M200EH/EM by defining a zero offset, a small voltage (e.g., 10% of span).

  • Page 132: Assigning An Idas Parameter To An Analog Output Channel

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.5.5. Assigning an iDAS parameter to an Analog Output Channel The M200EH/EM analog output channels can be assigned to output data from any of the 40+ available iDAS parameters (see Table A-6 of Appendix A.5). The default settings for the four output channels are:...

  • Page 133: Table 6-23: Analog Output Idas Parameters Related To Gas Concentration Data

    Model 200EH/EM Instruction Manual Operating Instructions The available gas concentration iDAS parameters for output via the M200EH/EM analog output channels are: Table 6-23: Analog Output iDAS Parameters Related to Gas Concentration Data REPORTING PARAMETER DESCRIPTION RANGE NAME NXCNC1 Concentration NXSLP1...
  • Page 134 Operating Instructions Model 200EH/EM Instruction Manual To assign an iDAS parameter to a specific analog output channel, press, From the AIO CONFIGURATION SUBMENU (See Section 6.13.4.1) DIAG ANALOG I/O CONFIGURATION PREV NEXT ENTR EXIT DIAG AIO AOUTS CALIBRATED: NO SET>...

  • Page 135: Setting The Reporting Range Scale For An Analog Output

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.5.6. Setting the Reporting Range Scale for an Analog Output Once the iDAS parameter has been set, the top end of the scale must be selected. For concentration values this should be equal to the expected maximum value for the application. The analog channel will scale its output accordingly.
  • Page 136 Operating Instructions Model 200EH/EM Instruction Manual To set the reporting range for an analog output, press: From the AIO CONFIGURATION SUBMENU (See Section 6.13.4.1) DIAG ANALOG I/O CONFIGURATION PREV NEXT ENTR EXIT DIAG AIO DATA_OUT_2 OUTPUT: 5V DIAG AIO AOUTS CALIBRATED: NO SET>...

  • Page 137: Setting Data Update Rate For An Analog Output

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.5.7. Setting Data Update Rate for an Analog Output The data update rate for the M200EH/EM analog outputs can be adjusted to match the requirements of the specific iDAS parameter chosen for each channel. For instance, if the parameter NXCNC1 (NO concentration;...

  • Page 138: Turning An Analog Output On Or Off

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.5.8. Turning an Analog Output On or Off Each output can be temporarily turned off. When off no data is sent to the output. Electronically, it is still active, there is simply no data so the signal level at the rear of the instrument will fall to zero.

  • Page 139: Analog Output Calibration

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.6. ANALOG OUTPUT CALIBRATION Analog calibration needs to be carried out on first startup of the analyzer (performed in the factory as part of the configuration process) or whenever re-calibration is required. The analog outputs can be calibrated automatically or adjusted manually (see Section 6.13.5). During automatic calibration the analyzer tells the output circuitry to generate a zero mV signal and high-scale point signal (usually about 90% of chosen analog signal scale) then measures actual signal of the output.

  • Page 140: Automatic Analog Output Calibration

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.6.1. Automatic Analog Output Calibration To calibrate the outputs as a group with the AOUTS CALIBRATION command, press: From the AIO CONFIGURATION SUBMENU (See Section 6.13.4.1) DIAG ANALOG I/O CONFIGURATION PREV NEXT ENTR EXIT...

  • Page 141: Manual Calibration Of Analog Output Configured For Voltage Ranges

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.6.2. Manual Calibration of Analog Output configured for Voltage Ranges For highest accuracy, the voltages of the analog outputs can be manually calibrated. NOTE: The menu for manually adjusting the analog output signal level will only appear if the AUTO-CAL feature is turned off for the channel being adjusted (see Section 6.13.5.1)

  • Page 142: Manual Calibration Of Analog Outputs Configured For Current Loop Ranges

    Operating Instructions Model 200EH/EM Instruction Manual To manually adjust the signal levels of an analog output channel, press: From the AIO CONFIGURATION SUBMENU (See Section 6.13.4.1) DIAG ANALOG I/O CONFIGURATION PREV NEXT ENTR EXIT DIAG AIO DATA_OUT_2 RANGE: 5V DIAG AIO AOUTS CALIBRATED: NO SET>...

  • Page 143: Figure 6-15: Setup For Calibrating Current Outputs

    Model 200EH/EM Instruction Manual Operating Instructions See Table 3-2 for pin assignments of the Analog Out connector on the Current rear panel. Meter V OUT + I IN + V OUT - I IN - Recording Analyzer Device Figure 6-15:...

  • Page 144: Table 6-25: Current Loop Output Calibration With Resistor

    Operating Instructions Model 200EH/EM Instruction Manual Table 6-25: Current Loop Output Calibration with Resistor VOLTAGE FOR 2-20 MA VOLTAGE FOR 4-20 MA FULL SCALE (measured across 250Ω resistor) (measured across 250Ω resistor) 0.5 V 1.0 V 100% 5.0 V 5.0 V...

  • Page 145: Ain Calibration

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.6.4. AIN Calibration This is the sub-menu calibrates the analyzer’s A-to-D conversion circuitry. This calibration should only be necessary after major repair such as a replacement of CPU, motherboard or power supplies. To perform a AIN CALIBRATION , press:...

  • Page 146: Other Diag Menu Functions

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.7. OTHER DIAG MENU FUNCTIONS 6.13.7.1. Display Sequence Configuration The model M200EH/EM analyzer allows the user to choose which gas concentration measurement and reporting range is to be displayed in the concentration field on the instrument’s front panel display as well as what order and how long each will appear before analyzer cycle to the next item on the display list.

  • Page 147: Table 6-27: M200Eh/Em Concentration Display Default Values

    Model 200EH/EM Instruction Manual Operating Instructions The default settings for this feature are: Table 6-27: M200EH/EM Concentration Display Default Values DISPLAY VALUE DISPLAY DURATION 4 sec. 4 sec. 4 sec. 4 sec. Only appears if O2 sensor option is installed.
  • Page 148 Operating Instructions Model 200EH/EM Instruction Manual To delete an entry in the display value list, press: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > SETUP SETUP X.X PRIMARY SETUP MENU CFG DAS RNGE PASS CLK MORE EXIT SETUP X.X SECONDARY SETUP MENU...

  • Page 149: Optic Test

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.7.2. Optic Test The optic test function tests the response of the PMT sensor by turning on an LED located in the cooling block of the PMT (Fig. 10-15). The analyzer uses the light emitted from the LED to test its photo-electronic subsystem, including the PMT and the current to voltage converter on the pre-amplifier board.

  • Page 150: Electrical Test

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.7.3. Electrical Test The electrical test function creates a current, which substitutes the PMT signal, and feeds it into the preamplifier board. This signal is generated by circuitry on the pre-amplifier board itself and tests the filtering and amplification functions of that assembly along with the A/D converter on the motherboard.

  • Page 151: Ozone Generator Override

    Model 200EH/EM Instruction Manual Operating Instructions 6.13.7.4. Ozone Generator Override This feature allows the user to manually turn the ozone generator off and on. This can be done before disconnecting the generator, to prevent ozone from leaking out, or after a system restart if the user does not want to wait for 30 minutes during warm-up time.

  • Page 152: Flow Calibration

    Operating Instructions Model 200EH/EM Instruction Manual 6.13.7.5. Flow Calibration The flow calibration allows the user to adjust the values of the sample flow rates as they are displayed on the front panel and reported through COM ports to match the actual flow rate measured at the sample inlet. This does not change the hardware measurement of the flow sensors, only the software-calculated values.

  • Page 153: Setup - Alrm: Using The Optional Gas Concentration Alarms (Opt 67)

    Model 200EH/EM Instruction Manual Operating Instructions 6.14. SETUP – ALRM: USING THE OPTIONAL GAS CONCENTRATION ALARMS (OPT 67) The optional alarm relay outputs (Option 67) are installed includes two concentration alarms Each alarm has a user settable limit, and is associated with an opto-isolated TTL relay accessible via the status output connector on the instrument’s back panel (see Section 6.15.1.1).

  • Page 154: Remote Operation Of The Analyzer

    Operating Instructions Model 200EH/EM Instruction Manual 6.15. REMOTE OPERATION OF THE ANALYZER 6.15.1. REMOTE OPERATION USING THE EXTERNAL DIGITAL I/O 6.15.1.1. Status Outputs The status outputs report analyzer conditions via optically isolated NPN transistors, which sink up to 50 mA of DC current.

  • Page 155: Control Inputs

    Model 200EH/EM Instruction Manual Operating Instructions Table 6-29: Status Output Pin Assignments CONNECTO STATUS CONDITION (ON=CONDUCTING) R PIN SYSTEM OK ON if no faults are present. CONC VALID ON if concentration measurement is valid, OFF when invalid. HIGH RANGE ON if unit is in high range of any AUTO range mode.

  • Page 156: Remote Operation Using The External Serial I/O

    6.15.2. REMOTE OPERATION USING THE EXTERNAL SERIAL I/O 6.15.2.1. Terminal Operating Modes The Model 200EH/EM can be remotely configured, calibrated or queried for stored data through the serial ports. As terminals and computers use different communication schemes, the analyzer supports two communicate modes specifically designed to interface with these two types of devices.

  • Page 157: Help Commands In Terminal Mode

    Model 200EH/EM Instruction Manual Operating Instructions 6.15.2.2. Help Commands in Terminal Mode Table 6-31: Terminal Mode Software Commands COMMAND FUNCTION Switches the analyzer to terminal mode (echo, edit). If mode flags 1 & 2 are OFF, the interface Control-T can be used in interactive mode with a terminal emulation program.

  • Page 158: Data Types

    Operating Instructions Model 200EH/EM Instruction Manual 6.15.2.4. Data Types Data types consist of integers, hexadecimal integers, floating-point numbers, Boolean expressions and text strings. • Integer data are used to indicate integral quantities such as a number of records, a filter length, etc.

  • Page 159: Status Reporting

    6.15.2.6. Remote Access by Modem The M200EH/EM can be connected to a modem for remote access. This requires a cable between the analyzer’s COM port and the modem, typically a DB-9F to DB-25M cable (available from Teledyne Instruments with part number WR0000024).
  • Page 160 Operating Instructions Model 200EH/EM Instruction Manual NOTE: If Hessen Protocol Mode is active for a COMM port, operation via a modem is not available on that port. To change this setting press: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > CAL SETUP SETUP X.X...

  • Page 161: Com Port Password Security

    Model 200EH/EM Instruction Manual Operating Instructions To Initialize the modem press: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > CAL SETUP SETUP X.X COM1 MODE:0 SET> EDIT EXIT PRIMARY SETUP MENU SETUP X.X CFG DAS RNGE PASS CLK MORE EXIT SETUP X.X...

  • Page 162: Apicom Remote Control Program

    Model 200EH/EM Instruction Manual 6.15.2.8. APICOM Remote Control Program APICOM is an easy-to-use, yet powerful interface program that allows to access and control any of Teledyne Instruments’ main line of ambient and stack-gas instruments from a remote connection through direct cable, modem or Ethernet.

  • Page 163: Using The M200Eh/Em With A Hessen Protocol Network

    The following subsections describe the basics for setting up your instrument to operate over a Hessen Protocol network. For more detailed information as well as a list of host computer commands and examples of command and response message syntax, download the Manual Addendum for Hessen Protocol from the Teledyne Instruments’ web site: http://www.teledyne-api.com/manuals/index.asp .

  • Page 164: Selecting A Hessen Protocol Type

    TYPE 2 that has more flexibility when operating with instruments that can measure more than one type of gas. For more specific information about the difference between TYPE 1 and TYPE 2 download the Manual Addendum for Hessen Protocol from the Teledyne Instruments’ web site: http://www.teledyne-api.com/manuals/index.asp .

  • Page 165: Setting The Hessen Protocol Response Mode

    TYPE selection affects both Ports. 6.15.4.4. Setting The Hessen Protocol Response Mode The Teledyne Instruments’ implementation of Hessen Protocol allows the user to choose one of several different modes of response for the analyzer. Table 6-28: M200EH/EM Hessen Protocol Response Modes...

  • Page 166: Hessen Protocol Gas Id

    Operating Instructions Model 200EH/EM Instruction Manual 6.15.4.5. Hessen Protocol Gas ID Since the M200EH/EM measures both NO, NO NO and O (if the optional sensor is installed), all of these gases are listed in the Hessen protocol gas list. In its default state the Hessen protocol firmware assigns each of these gases a Hessen ID number and actively reports all of them even if the instrument is only measuring one (see MEASURE_MODE , Section 6.12) .

  • Page 167: Setting Hessen Protocol Status Flags

    Operating Instructions 6.15.4.6. Setting Hessen Protocol Status Flags Teledyne Instruments’ implementation of Hessen protocols includes a set of status bits that are included in responses to inform the host computer of the M200EH/EM’s condition. The default settings for these bit/flags...

  • Page 168: Instrument Id Code

    Operating Instructions Model 200EH/EM Instruction Manual To assign or reset the status flag bit assignments, press: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > CAL SETUP SETUP X.X PRIMARY SETUP MENU CFG DAS RNGE PASS CLK MORE EXIT SETUP X.X SECONDARY SETUP MENU...

  • Page 169: Calibration Procedures

    If you wish to perform a calibration check, DO NOT press the ENTR button. 7.1. CALIBRATION PREPARATIONS 7.1.1. REQUIRED EQUIPMENT, SUPPLIES, AND EXPENDABLES Calibration of the Model 200EH/EM analyzer requires a certain amount of equipment and supplies. These include, but are not limited to, the following: •...

  • Page 170: Span Calibration Gas Standards & Traceability

    Calibration Procedures Model 200EH/EM Instruction Manual 7.1.3. SPAN CALIBRATION GAS STANDARDS & TRACEABILITY NOTE We strongly recommend that span calibration is carried out with NO span gas, although it is possible to use NO or a gas phase titration (GPT) system.

  • Page 171: Data Recording Devices

    The currently programmed CE is recorded along with the calibration data in the iDAS for documentation and performance analysis 7.1.5.1. Determining / Updating the NO Converter Efficiency The following procedure will cause the Model 200EH/EM to automatically calculate the current NO conversion efficiency. STEP ONE : Connect a source of calibrated NO span gas as shown below.
  • Page 172 Calibration Procedures Model 200EH/EM Instruction Manual STEP TWO : Set the expected NO span gas concentration: M-P CAL A1:NXCNC1 =100PPM NOX=X.XXX SAMPLE A1:NXCNC1=100PPM NOX=XXX.X <TST TST> ZERO SPAN CONC EXIT < TST TST > SETUP M-P CAL CONCENTRATION MENU SAMPLE...
  • Page 173 Model 200EH/EM Instruction Manual Calibration Procedures STEP FOUR : Perform the converter efficiency calculation procedure: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X Set the Display to show the NOX STB test < TST TST > SETUP function. This function calculates the stability of the NO/NO measurement Toggle TST>...

  • Page 174: Manual Calibration

    Model 200EH/EM Instruction Manual 7.2. MANUAL CALIBRATION The following section describes the basic method for manually calibrating the Model 200EH/EM NO analyzer. If both available iDAS parameters for a specific gas type are being reported via the instruments analog outputs e.g.
  • Page 175 Model 200EH/EM Instruction Manual Calibration Procedures STEP TWO : Set Expected NO and NO Span Gas Concentrations Set the expected NO and NOx span gas concentration. These should be 80% of range of concentration values likely to be encountered in this application. The default factory setting is 100 ppm. If one of the configurable analog outputs is to be set to transmit concentration values, use 80% of the reporting range set for that output (see Section 6.13.4.5)
  • Page 176 Calibration Procedures Model 200EH/EM Instruction Manual STEP THREE : Perform Zero/Span Calibration: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X Set the Display to show the NOX STB test Analyzer continues to < TST TST > SETUP function. cycle through NO This function calculates NO, and NO...

  • Page 177: Calibration Checks

    Model 200EH/EM Instruction Manual Calibration Procedures 7.3. CALIBRATION CHECKS Informal calibration checks, which only evaluate but do not alter the analyzer’s response curve, are recommended as a regular maintenance item and in order to monitor the analyzer’s performance. To carry out a calibration check rather than a full calibration, follow these steps.

  • Page 178: Manual Calibration With Zero/Span Valves

    Calibration Procedures Model 200EH/EM Instruction Manual 7.4. MANUAL CALIBRATION WITH ZERO/SPAN VALVES Zero and Span calibrations using the Zero/Span Valve option are similar to that described in Section 7.2, except that: • Zero air and span gas is supplied to the analyzer through the zero gas and span gas inlets rather than through the sample inlet.
  • Page 179 Model 200EH/EM Instruction Manual Calibration Procedures STEP TWO : Set Expected NO and NO Span Gas Concentrations. Set the expected NO and NOx span gas concentration. These should be 80% of range of concentration values likely to be encountered in this application. The default factory setting is 100 ppm. If one of the configurable analog outputs is to be set to transmit concentration values, use 80% of the reporting range set for that output (see Section 6.13.4.5)
  • Page 180 Calibration Procedures Model 200EH/EM Instruction Manual STEP THREE : Perform Zero/Span Calibration: SAMPLE A1:NXCNC1=100PPM NOX=XXX.X Set the Display to show the NOX STB test Analyzer continues to < TST TST > CAL CALZ CALS SETUP function. cycle through NO This function calculates...

  • Page 181: Calibration Checks With Zero/Span Valves

    Model 200EH/EM Instruction Manual Calibration Procedures 7.5. CALIBRATION CHECKS WITH ZERO/SPAN VALVES Zero and span checks using the zero/span valve option are similar to that described in Section 7.4, except that zero air and span gas are supplied to the analyzer through the zero gas and span gas inlets from two different sources.

  • Page 182: Calibration With Remote Contact Closures

    Calibration Procedures Model 200EH/EM Instruction Manual 7.6. CALIBRATION WITH REMOTE CONTACT CLOSURES Contact closures for controlling calibration and calibration checks are located on the rear panel CONTROL IN connector. Instructions for setup and use of these contacts can be found in Section 6.15.1.2.

  • Page 183: Automatic Calibration (Autocal)

    Model 200EH/EM Instruction Manual Calibration Procedures 7.7. AUTOMATIC CALIBRATION (AUTOCAL) The AutoCal feature allows unattended, periodic operation of the zero/span valve options by using the analyzer’s internal time of day clock. The AutoCal feature is only available on the front panel menu ( ACAL ) if either the zero/span valve or the IZS option is installed.

  • Page 184: Table 7-4: Example Auto-Cal Sequence

    Calibration Procedures Model 200EH/EM Instruction Manual The following example sets sequence #2 to carry out a zero-span calibration every other day starting at 14:00 on 01 January, 2003, lasting 30 minutes (15 for zero and 15 for span). This sequence will start 30 minutes later each day.
  • Page 185 Model 200EH/EM Instruction Manual Calibration Procedures To program the sample sequence shown above, follow this flow chart: SAMPLE RANGE = 500.0 PPB NOX=X.X SETUP C.4 STARTING TIME:14:15 < TST TST > CAL CALZ CZLS SETUP <SET SET> EDIT EXIT SETUP X.X PRIMARY SETUP MENU SETUP C.4...

  • Page 186: Calibration Quality Analysis

    Calibration Procedures Model 200EH/EM Instruction Manual 7.8. CALIBRATION QUALITY ANALYSIS After completing one of the calibration procedures described above, it is important to evaluate the analyzer’s calibration SLOPE and OFFSET parameters. These values describe the linear response curve of the analyzer, separately for NO and NO .

  • Page 187: Epa Protocol Calibration

    Model 200EH/EM Instruction Manual EPA Protocol Calibration 8. EPA PROTOCOL CALIBRATION At the writing of this manual there is no EPA requirements for the monitoring of NOX or published calibration protocols. User Notes 05146 Rev B4...

  • Page 189: Instrument Maintenance

    Model 200EH/EM Instruction Manual Instrument Maintenance 9. INSTRUMENT MAINTENANCE Predictive diagnostic functions, including data acquisition records, failure warnings and test functions built into the analyzer, allow the user to determine when repairs are necessary without performing unnecessary, preventative maintenance procedures. There is, however, a minimal number of simple procedures that, when performed regularly, will ensure that the analyzer continues to operate accurately and reliably over its lifetime.

  • Page 190: Table 9-1: M200Eh/Em Preventive Maintenance Schedule

    These Items are required to maintain full warranty, all other items are strongly recommended. A pump rebuild kit is available from Teledyne Instruments Customer Service including all instructions and required parts (see Appendix B for part numbers). 05146 Rev B4...

  • Page 191: Predictive Diagnostics

    M200EH/EM Final Test and Validation Data Form (Teledyne Instruments part number 04490, attached to the manual). Table 9-2 can be used as a basis for taking action as these values change with time.

  • Page 192: Changing The Sample Particulate Filter

    Model 200EH/EM Instruction Manual Instrument Maintenance 9.3.1. CHANGING THE SAMPLE PARTICULATE FILTER The particulate filter should be inspected often for signs of plugging or excess dirt. It should be replaced according to the service interval in Table 9-1 even without obvious signs of dirt. Filters with 1 and 5 µm pore size can clog up while retaining a clean look.

  • Page 193: Changing The Odryer Particulate Filter

    Model 200EH/EM Instruction Manual Instrument Maintenance 7. Re-start the analyzer. 9.3.2. CHANGING THE O DRYER PARTICULATE FILTER © The air for the O generator passes through a Perma Pure dryer, which is equipped with a small particulate © filter at its inlet. This filter prevents dust from entering the Perma Pure dryer and degrading the dryer’s...

  • Page 194: Changing The Ozone Filter Chemical

    Model 200EH/EM Instruction Manual Instrument Maintenance 9.3.3. CHANGING THE OZONE FILTER CHEMICAL The O filter is located between the O generator and the reaction cell and cleans the O stream from solid and liquid contaminants that are created inside the O generator.
  • Page 195 • Do not fill the canister above the first thread of the NPT fitting. NOTE Use only genuine, pre-conditioned Teledyne-API refill kits for this procedure. Do not leave this material uncovered for more than a few seconds, as it will absorb contaminants from ambient air! 9.

  • Page 196: Rebuilding The External Sample Pump

    Model 200EH/EM Instruction Manual Instrument Maintenance 9.3.4. REBUILDING THE EXTERNAL SAMPLE PUMP The sample pump head periodically wears out and must be replaced when the RCEL pressure exceeds 10 in- Hg-A (at sea level, adjust this value accordingly for elevated locations). A pump rebuild kit is available from the factory.

  • Page 197: Changing The External Zero Air Scrubber

    Model 200EH/EM Instruction Manual Instrument Maintenance 9.3.6. CHANGING THE EXTERNAL ZERO AIR SCRUBBER © The external zero air scrubber contains two chemicals, pink Purafil (Part # CH 9) and black, charcoal (Part # © CH 1). The Purafil converts NO in the ambient air to NO and the following charcoal absorbs any NO .

  • Page 198: Changing The No Converter

    Model 200EH/EM Instruction Manual Instrument Maintenance 9.3.7. CHANGING THE NO CONVERTER The NO converter is located in the center of the instrument, see Figure 3-1 for location, and Figure 9-5 for the assembly. The converter is designed for replacement of the cartridge only, the heater with built-in thermocouple can be reused.

  • Page 199: Cleaning The Reaction Cell

    Model 200EH/EM Instruction Manual Instrument Maintenance 9.3.8. CLEANING THE REACTION CELL The reaction cell should be cleaned whenever troubleshooting suggests. A dirty reaction cell will cause excessive noise, drifting zero or span values, low response or a combination of all. To clean the reaction cell, it is necessary to remove it from the sensor housing.

  • Page 200: Changing Critical Flow Orifices

    Model 200EH/EM Instruction Manual Instrument Maintenance 7. Do not remove the sample and ozone nozzles. They are Teflon threaded and require a special tool for reassembly. If necessary, the manifold with nozzles attached can be cleaned in an ultrasonic bath.

  • Page 201: Checking For Light Leaks

    Model 200EH/EM Instruction Manual Instrument Maintenance Figure 9-7: Critical Flow Orifice Assembly 5. Take out the components of the assembly: a spring, a sintered filter, two O-rings and the orifice. For the vacuum manifold only, you may need to use a scribe or pressure from the vacuum port to get the parts out of the manifold.
  • Page 202 Model 200EH/EM Instruction Manual Instrument Maintenance 5. If there is a PMT response to the external light, symmetrically tighten the reaction cell mounting screws or replace the 1/4” vacuum tubing with new, black PTFE tubing (this tubing will fade with time and become transparent).

  • Page 203: Theory Of Operation

    Model 200EH/EM Instruction Manual Theory of Operation 10. THEORY OF OPERATION The M200EH/EM Nitrogen Oxides Analyzer is a microprocessor controlled instrument that determines the concentration of nitric oxide (NO), total nitrogen oxides (NO , the sum of NO and NO ) and nitrogen dioxide ) in a sample gas drawn through the instrument.

  • Page 204: And No Determination

    Model 200EH/EM Instruction Manual Theory of Operation Model 200E Instrument Response Intensity 140 a.u. 120 a.u. NO + O Emission Spectrum 100 a.u. 80 a.u. 60 a.u. Response 40 a.u. Optical Hi-Pass Filter Performance 20 a.u. 0 a.u. 0.5µm 0.7µm 0.9µm...

  • Page 205: Chemiluminescence Detection

    Model 200EH/EM Instruction Manual Theory of Operation Figure 10-2: Conversion Principle By converting the NO in the sample gas into NO, the analyzer can measure the total NO (NO+NO ) content of the sample gas. By switching the NO converter in and out of the sample gas stream every 6 - 10 seconds, the M200EH/EM analyzer is able to quasi-continuously measure both the NO and the total NO content.

  • Page 206: Optical Filter

    Model 200EH/EM Instruction Manual Theory of Operation Figure 10-3: Reaction Cell with PMT Tube 10.2.2. OPTICAL FILTER Another critical component in the method by which your M200EH/EM detects chemiluminescence is the optical filter that lies between the reaction cell and the PMT (Figure: 10-3). This filter is a high pass filter that is only transparent to wavelengths of light above 645 nm.

  • Page 207: Measurement Interferences

    Model 200EH/EM Instruction Manual Theory of Operation Figure 10-4: Reaction Cell During the AutoZero Cycle. 10.2.4. MEASUREMENT INTERFERENCES It should be noted that the chemiluminescence method is subject to interferences from a number of sources. The M200EH/EM has been successfully tested for its ability to reject interference from most of these sources.

  • Page 208: Light Leaks

    Model 200EH/EM Instruction Manual Theory of Operation The M200EH and 200EM analyzers are typically used in high CO concentration environments. The pneumatic setup of these two analyzer models minimizes the interference from CO such that the analyzers conform to the standards set forth by the US-EPA in Method 20 - NOx from Stationary Gas Turbines, available at http://www.epa.gov/ttn/emc/promgate.html...

  • Page 209: Pneumatic Operation

    Model 200EH/EM Instruction Manual Theory of Operation 10.3. PNEUMATIC OPERATION CAUTION It is important that the sample airflow system is leak-tight and not pressurized over ambient pressure. Regular leak checks should be performed on the analyzer as described in the maintenance schedule, Table 9-1. Procedures for correctly performing leak checks can be found in Section 11.5.

  • Page 210: Sample Gas Flow

    Model 200EH/EM Instruction Manual Theory of Operation Finally, the M200EH/EM requires a steady, high under-pressure, which cannot be achieved reliably over extended periods of time with small vacuum pumps. The external pump used for the M200EH/EM has a very long lifetime and duty cycle and provides a very good vacuum for its entire lifetime. However, the pump is too large to fit into the chassis of the analyzer.

  • Page 211: Flow Rate Control - Critical Flow Orifices

    Model 200EH/EM Instruction Manual Theory of Operation 10.3.3. FLOW RATE CONTROL - CRITICAL FLOW ORIFICES The Model M200EH/EM analyzers use special flow control assemblies located at various locations around the instrument to maintain constant flow rates for both the O supply air and the sample gas.

  • Page 212: Figure 10-7: Location Of Gas Flow Control Assemblies For M200Em

    Model 200EH/EM Instruction Manual Theory of Operation VACUUM PRESSURE SENSOR SAMPLE PRESSURE SENSOR GAS FLOW CONTROL ASSEMBLIES Figure 10-7: Location of Gas Flow Control Assemblies for M200EM VACUUM PRESSURE SENSOR GAS FLOW SAMPLE CONTROL PRESSURE SENSOR ASSEMBLIES Figure 10-8: Location of Gas Flow Control Assemblies for M200EH with O...

  • Page 213: Critical Flow Orifice

    Model 200EH/EM Instruction Manual Theory of Operation VACUUM PRESSURE SENSOR SAMPLE PRESSURE SENSOR GAS FLOW CONTROL ASSEMBLIES Figure 10-9: Location of Gas Flow Control Assemblies for M200EH with Second Span Point Option 52 NOTE: Location of flow control assemblies in the M200EH/EM with zero/span option 50 installed are the same as shown in Figures 10-6 and 10-7.

  • Page 214: Figure 10-10: Flow Control Assembly & Critical Flow Orifice

    Model 200EH/EM Instruction Manual Theory of Operation Figure 10-10: Flow Control Assembly & Critical Flow Orifice The actual flow rate of gas through the orifice (volume of gas per unit of time), depends on the size and shape of the aperture in the orifice. The larger the hole, the more gas molecules, moving at the speed of sound, pass through the orifice.

  • Page 215: Sample Particulate Filter

    Model 200EH/EM Instruction Manual Theory of Operation In addition to controlling the gas flows, the two critical flow orifices at the inlets of the reaction cell also maintain an under-pressure inside the reaction cell, effectively reducing the number of molecules in the chamber and therefore increasing the chemiluminescence yield as the likelihood of third body quenching is reduced (Section 10.2.4.1).

  • Page 216: O3 Generator

    Model 200EH/EM Instruction Manual Theory of Operation 10.3.6. O3 GENERATOR The M200EH/EM uses a corona discharge (CD) tube for creating its O . Corona discharge generation is capable of producing high concentrations of ozone efficiently and with low excess heat. Although there are many cell designs, the fundamental principle remains the same (Figure 10-11).

  • Page 217: Perma Pure ® Dryer

    Model 200EH/EM Instruction Manual Theory of Operation ® 10.3.7. PERMA PURE DRYER The air supplied to the O generation system needs to be as dry as possible. Normal room air contains a certain amount of water vapor, which greatly diminishes the yield of ozone produced by the ozone generator. Also,...

  • Page 218: Figure 10-13: M200Eh/Em Perma Pure ® Dryer

    Model 200EH/EM Instruction Manual Theory of Operation ® Figure 10-13: M200EH/EM Perma Pure Dryer Just like on startup, if the instrument is turned on after having been off for more than 30 minutes, it takes a ® certain amount of time for the humidity gradient to become large enough for the Perma Pure Dryer to adequately dry the air.

  • Page 219: Ozone Supply Air Filter

    Model 200EH/EM Instruction Manual Theory of Operation 10.3.8. OZONE SUPPLY AIR FILTER The M200EH/EM uses ambient air as the supply gas for the O generator and may produce a variety of byproducts. Small amounts of water, ammonia and various sulfur oxides can combine to create ammonium sulfate, ammonium nitrate, nitric acid and other compounds.

  • Page 220: Pneumatic Sensors

    Model 200EH/EM Instruction Manual Theory of Operation 10.3.10. PNEUMATIC SENSORS NOTE The M200EH/EM displays all pressures in inches of mercury absolute (in-Hg-A), i.e. absolute pressure referenced against zero (a perfect vacuum). The M200EH/EM uses three pneumatic sensors to verify gas streams. These sensors are located on a printed circuit assembly, called the pneumatic pressure/flow sensor board, located just behind the sensor assembly.

  • Page 221: Vacuum Pressure Sensor

    Model 200EH/EM Instruction Manual Theory of Operation 10.3.10.3. Vacuum Pressure Sensor An absolute pressure transducer connected to the exhaust manifold is used to measure the pressure downstream from and inside the instrument’s reaction cell. The output of the sensor is used by the CPU to calculate the pressure differential between the gas upstream of the reaction cell and the gas downstream from it and is also used as the main diagnostic for proper pump operation.

  • Page 222: Figure 10-15: Dilution Manifold

    Model 200EH/EM Instruction Manual Theory of Operation Figure 10-15: Dilution Manifold Please inquire with Teledyne-API sales if the M200E can be modified to fit your application. 05146 Rev B4...

  • Page 223: Electronic Operation

    The core of the analyzer is a microcomputer (CPU) that controls various internal processes, interprets data, calculates data, and reports results using specialized firmware developed by Teledyne Instruments. It communicates with the user, receives data from and issues commands to a variety of peripheral devices through the motherboard, the main printed circuit assembly on the rear panel (Figure 3-1).

  • Page 224: Cpu

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.1. CPU The CPU is a low power (5 VDC, 0.8A max), high performance, 386-based microcomputer running a version of the DOS operating system. Its operation and assembly conform to the PC-104 specification, version 2.3 for embedded PC and PC/AT applications.

  • Page 225: Disk On Chip

    8 mb disk drive, internally labeled as DOS drive C:\. It is used to store the computer’s operating system files, the Teledyne Instruments firmware and peripheral files, and the operational data generated by the analyzer’s internal data acquisition system (iDAS - Sections 10.7.5 and 6.7).

  • Page 226: Photo Multiplier Tube (Pmt)

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.3. PHOTO MULTIPLIER TUBE (PMT) The M200EH/EM uses a photo multiplier tube (PMT) to detect the amount of chemiluminescence created in the sample chamber. PMT Housing End Plate This is the entry to the PMT Exchange...

  • Page 227: Pmt Cooling System

    Model 200EH/EM Instruction Manual Theory of Operation A significant performance characteristic of the PMT is the voltage potential across the electron multiplier. The higher the voltage, the greater is the number of electrons emitted from each dynode of the electron multiplier, making the PMT more sensitive and responsive to small variations in light intensity but also more noisy (dark noise).

  • Page 228: Pmt Preamplifier

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.5. PMT PREAMPLIFIER The PMT preamplifier board amplifies the PMT signal into a useable analog voltage (PMT) that can be processed by the motherboard into a digital signal to be used by the CPU to calculate the NO, NO and NO concentrations of the gas in the sample chamber.

  • Page 229: Pneumatic Sensor Board

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.6. PNEUMATIC SENSOR BOARD The flow and pressure sensors of the M200EH/EM are located on a printed circuit assembly just behind the PMT sensor. Refer to Section 11.5.15 for information on how to test this assembly. The signals of this board are supplied to the motherboard for further signal processing.

  • Page 230: Thermocouple Inputs And Configuration Jumper (Jp5)

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.7.3. Thermocouple Inputs and Configuration Jumper (JP5) Although the relay PCA supports two thermocouple inputs, the current M200EH/EM series analyzers only utilize one. By default, this single thermocouple input is plugged into the TC1 input (J15). TC2 (J16) is currently not used.

  • Page 231: Valve Control

    Model 200EH/EM Instruction Manual Theory of Operation Table 10-5: Typical Thermocouple Settings For M200E Series Analyzers OUTPUT JUMPER TERMINATION JUMPER SCALE TYPE BETWEEN USED ON TYPE TYPE COLOR PINS INPUT TC1 (J15) 2 – 12 GROUNDED 5mV / °C M200EH/EM with Mini HiCon Converter BROWN 4 –...

  • Page 232: Status Leds & Watch Dog Circuitry

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.8. STATUS LEDS & WATCH DOG CIRCUITRY Thirteen LEDs are located on the analyzer’s relay board to indicate the status of the analyzer’s heating zones and valves as well as a general operating watchdog indicator. Table 11-2 shows the states of these LEDs and their respective functionality.

  • Page 233: Motherboard

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.9. MOTHERBOARD This is the largest electronic assembly in the analyzer and is mounted to the rear panel as the base for the CPU board and all I/O connectors. This printed circuit assembly provides a multitude of functions including A/D...

  • Page 234: Thermistor Interface

    Model 200EH/EM Instruction Manual Theory of Operation CONVERTER TEMPERATURE: This parameter is measured with a Type-K thermocouple attached to the converter heater and its analog signal is amplified by the circuitry on the relay board. It is sent to the CPU and then digitized and is used to calculate the current temperature of the NO converter.

  • Page 235: External Digital I/O

    Model 200EH/EM Instruction Manual Theory of Operation 10.4.11. EXTERNAL DIGITAL I/O The external digital I/O performs two functions. The STATUS outputs carry logic-level (5V) signals through an optically isolated 8-pin connector on the rear panel of the analyzer. These outputs convey on/off information about certain analyzer conditions such as CONC VALID .

  • Page 236: Power Distribution &Circuit Breaker

    Model 200EH/EM Instruction Manual Theory of Operation 10.5. POWER DISTRIBUTION &CIRCUIT BREAKER The analyzer operates in two main AC power ranges: 100-120 VAC and 220-240 VAC (both ± 10%) between 47 and 63 Hz. A 5 ampere circuit breaker is built into the ON/OFF switch. In case of a wiring fault or incorrect supply power, the circuit breaker will automatically turn off the analyzer.

  • Page 237: Communications Interface

    Model 200EH/EM Instruction Manual Theory of Operation 10.6. COMMUNICATIONS INTERFACE The analyzer has several ways to communicate the outside world, see Figure 10-26. Users can input data and receive information directly through the front panel keypad and display. Direct, two-way communication with the CPU is also available by way of the analyzer’s RS232 &...

  • Page 238: Front Panel Interface

    Model 200EH/EM Instruction Manual Theory of Operation 10.6.1. FRONT PANEL INTERFACE MODE FIELD MESSAGE FIELD CONCENTRATION FIELD FASTENER FASTENER SAMPLE SAMPLE A1:NXCNC1=100PPM NOX=XXX.X STATUS DEFINITIONS LED’s < TST TST > CAL SETUP FAULT KEYBOARD POWER ON / OFF SWITCH CHEMILUMINESENCE NO ANALYZER –...

  • Page 239: Display

    Model 200EH/EM Instruction Manual Theory of Operation Note that the keys do not auto-repeat. In circumstances where the same key must be activated for two consecutive operations, it must be released and re-pressed. 10.6.1.3. Display The main display of the analyzer is a vacuum florescent display with two lines of 40 text characters each.
  • Page 240 DISPLAY POWER WATCHDOG The Model 200EH/EM’s display can begin to show garbled information or lock-up if the DC voltage supplied to it falls too low, even momentarily. To alleviate this, a brown-out watchdog circuit monitors the level of the power supply and in the event that the voltage level falls below a certain level resets the display by turning it off, then back on.

  • Page 241: Software Operation

    386-based microcomputer running a version of DOS. On top of the DOS shell, special software developed by Teledyne Instruments interprets user commands from various interfaces, performs procedures and tasks, stores data in the CPU’s memory devices and calculates the concentrations of NO in the sample gas.

  • Page 242: Adaptive Filter

    Model 200EH/EM Instruction Manual Theory of Operation 10.7.1. ADAPTIVE FILTER The M200EH/EM NO analyzer software processes sample gas concentration data through a built-in adaptive filter. Unlike other analyzers that average the output signal over a fixed time period, the M200EH/EM averages...

  • Page 243: Temperature/Pressure Compensation (Tpc)

    Model 200EH/EM Instruction Manual Theory of Operation 10.7.3. TEMPERATURE/PRESSURE COMPENSATION (TPC) The software features a compensation of some temperature and pressure changes critical in the measurement of NO and NO concentration. When the TPC feature is enabled (default setting), the analyzer divides the value of the PMT output signal ( PMTDET) by a value called TP_FACTOR .

  • Page 244: Internal Data Acquisition System (Idas)

    The iDAS has a consistent user interface among all Teledyne Instruments A- and E-series instruments. New data parameters and triggering events can be added to the instrument as needed. Section 6.7 describes the iDAS and its default configuration in detail, Chapter 8 shows the parameters that can be used for predictive diagnostics.

  • Page 245: Troubleshooting & Repair

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11. TROUBLESHOOTING & REPAIR This section contains a variety of methods for identifying and solving performance problems with the analyzer. NOTE The operations outlined in this chapter must be performed by qualified maintenance personnel only.

  • Page 246: Warning Messages

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.1.1. WARNING MESSAGES The most common and/or serious instrument failures will result in a warning message displayed on the front panel. Table A-2 in Appendix A.3 contains a list of warning messages, along with their meaning and recommended corrective action.

  • Page 247: Using The Diagnostic Signal I/O Function

    Model 200EH/EM Instruction Manual Troubleshooting & Repair maintenance item. A problem report worksheet has been provided in Appendix C (Teledyne Instruments part number 04503) to assist in recording the value of these test functions. The following table contains some of the more common causes for these values to be out of range.

  • Page 248: Figure 11-2: Switching Signal I/O Functions

    Model 200EH/EM Instruction Manual Troubleshooting & Repair SAMPLE A1:NXCNC1=100PPM NOX=XXX.X < TST TST > SETUP SETUP X.X PRIMARY SETUP MENU CFG DAS RNGE PASS CLK MORE EXIT SETUP X.X SECONDARY SETUP MENU COMM VARS DIAG ALRM EXIT SETUP X.X ENTER PASSWORD:818...

  • Page 249: Status Led's

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.1.4. STATUS LED’S Several color-coded, light-emitting diodes (LED) are located inside the instrument to determine if the analyzer’s CPU, I C communications bus and the relay board are functioning properly. 11.1.4.1. Motherboard Status Indicator (Watchdog) A red LED labeled DS5 in the upper portion of the motherboard (Figure 11-3), just to the right of the CPU board, flashes when the CPU is running the main program.

  • Page 250: Figure 11-4: Relay Board Pca

    Model 200EH/EM Instruction Manual Troubleshooting & Repair conjunction with the DIAG menu I/O functions to test hardware functionality by manually switching devices on and off and watching the corresponding LED go on or off. Figure 11-4 illustrates the relay board layout including the two rows of LEDs, Table 11-2 lists the individual LED functions and the menu tree below shows how to access the manual control of the I/O functions.

  • Page 251: Table 11-2: Relay Board Status Leds

    Model 200EH/EM Instruction Manual Troubleshooting & Repair Table 11-2: Relay Board Status LEDs FAULT COLOR FUNCTION INDICATED FAILURE(S) STATUS LED ROW 1 Failed or halted CPU; faulty motherboard, Watchdog Circuit; I C bus Continuously keyboard, relay board; wiring between operation.

  • Page 252: Gas Flow Problems

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.2. GAS FLOW PROBLEMS The M200EH/EM has two main flow paths, the sample flow and the flow of the ozone supply air. With IZS or zero/span valve option installed, there is a third (zero air) and a fourth (span gas) flow path, but either one of those is only controlled by critical flow orifices and not displayed on the front panel or stored to the iDAS.

  • Page 253: Figure 11-6: M200Eh - Internal Gas Flow With Opt 50

    Model 200EH/EM Instruction Manual Troubleshooting & Repair SAMPLE INLET SAMPLE / CAL VALVE Orifice Dia. FLOW PRESSURE SPAN 0.003" SENSOR PCA Particulate INLET Filter NO/NO VACUUM VALVE PRESSURE BYPASS SENSO R MANIFOLD ZERO GAS INLET SAMPLE Converter PRESSURE SENSOR ZERO/SPAN...

  • Page 254: Figure 11-8: M200Eh - Internal Gas Flow With Opt 65

    Model 200EH/EM Instruction Manual Troubleshooting & Repair Sensor O rifice Dia. FLOW PRESSURE 0.003" SENSOR PCA SAMPLE Particulate Filter INLET NO/NO VACUUM VALVE PRESSURE BYPASS SENSOR MANIFOLD SAMPLE Converter PRESSURE SENSOR EXHAUST AUTOZERO VALVE OUTLET Purifier GENERATOR Orifice Dia. 0.007"...

  • Page 255: M200Em Internal Gas Flow Diagrams

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.2.2. M200EM INTERNAL GAS FLOW DIAGRAMS O rifice Dia. NO/NO FLOW PRESSURE 0.003" VALVE SENSOR PCA SAMPLE Particulate Filter INLET VACUUM BYPASS PRESSURE MANIFOLD SENSOR SAMPLE Converter EXHAUST PRESSURE SENSOR OUTLET AUTOZERO VALVE...

  • Page 256: Figure 11-12: M200Em - Internal Gas Flow With Opt 52

    Model 200EH/EM Instruction Manual Troubleshooting & Repair Particulate Filter O rifice Dia. FLOW PRESSURE 0. 003" SENSOR PCA Span/Cal Valve SAMPLE NO/NO VACUUM VALVE INLET PRESSURE BYPASS SENSOR MANIFOLD SAMPLE High Span Converter PRESSURE Valve HIGH SENSOR SPAN AIR INLET...

  • Page 257: Zero Or Low Flow Problems

    Model 200EH/EM Instruction Manual Troubleshooting & Repair SAMPLE / CAL VALVE SAMPLE INLET BYPASS MANIFOLD Orifice Dia. FLOW PRESSURE SPAN 0.003" SENSOR PCA Particulate INLET Filter NO/NO VACUUM VALVE PRESSURE SENSOR ZERO GAS INLET SAMPLE Converter PRESSURE SENSOR ZERO/SPAN VALVE...

  • Page 258: Ozone Flow Is Zero Or Low

    Model 200EH/EM Instruction Manual Troubleshooting & Repair • Check for actual sample flow. To check the actual sample flow, disconnect the sample tube from the sample inlet on the rear panel of the instrument. Make sure that the unit is in basic SAMPLE mode.

  • Page 259: High Flow

    Again, monitoring the pressures and flows regularly will reveal such problems, because the pressures would slowly or suddenly change from their nominal, mean values. Teledyne Instruments recommends to review all test data once per week and to do an exhaustive data analysis for test and concentration values once per month, paying particular attention to sudden or gradual changes in all parameters that are supposed to remain constant, such as the flow rates.

  • Page 260: Calibration Problems

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.3. CALIBRATION PROBLEMS 11.3.1. NEGATIVE CONCENTRATIONS Negative concentration values can be caused for several reasons: • A slight, negative signal is normal when the analyzer is operating under zero gas and the signal is drifting around the zero calibration point.

  • Page 261: Unstable Zero And Span

    Model 200EH/EM Instruction Manual Troubleshooting & Repair • Carry out an electrical test with the ELECTRICAL TEST procedure in the diagnostics menu, see Section 6.13.7.3. If this test produces a concentration reading, the analyzer’s electronic signal path is correct. •...

  • Page 262: Inability To Zero - No Zero Key

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.3.5. INABILITY TO ZERO - NO ZERO KEY In general, the M200EH/EM will not display certain keyboard choices whenever the actual value of a parameter is outside of the expected range for that parameter. If the calibration menu does not show a ZERO key when carrying out a zero calibration, the actual gas concentration must be significantly different from the actual zero point (as per last calibration), which can have several reasons.

  • Page 263: Discrepancy Between Analog Output And Display

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.3.7. DISCREPANCY BETWEEN ANALOG OUTPUT AND DISPLAY If the concentration reported through the analog outputs does not agree with the value reported on the front panel, you may need to re-calibrate the analog outputs. This becomes more likely when using a low concentration or low analog output range.

  • Page 264: Auto-Zero Warnings

    Model 200EH/EM Instruction Manual Troubleshooting & Repair • Dirty or plugged critical flow orifices. Check flows, pressures and, if necessary, change orifices (Section 9.3.9). • Wrong materials in contact with sample - use glass, stainless steel or Teflon materials only. Porous materials, in particular, will cause memory effects and slow changes in response.

  • Page 265: Subsystem Checkout

    11.5.2. DETAILED PRESSURE LEAK CHECK If a leak cannot be located by the above procedure, obtain a leak checker similar to Teledyne Instruments part number 01960, which contains a small pump, shut-off valve, and pressure gauge to create both over-pressure and vacuum.

  • Page 266: Performing A Sample Flow Check

    Model 200EH/EM Instruction Manual Troubleshooting & Repair • Pressurize the instrument with the leak checker or tank gas, allowing enough time to fully pressurize the instrument through the critical flow orifice. Check each tube connection (fittings, hose clamps) with soap bubble solution, looking for fine bubbles.

  • Page 267: Ac Power Configuration

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.4. AC POWER CONFIGURATION The E-Series digital electronic systems will operate with any of the specified power regimes. As long as instrument is connected to 100-120 VAC or 220-240 VAC at either 50 or 60 Hz it will turn on and after about 30 seconds show a front panel display.

  • Page 268: Ac Configuration - Internal Pump (Jp7)

    Model 200EH/EM Instruction Manual Troubleshooting & Repair • The Relay PCA 04523 , includes a set of jumpers that connect AC power to heaters included in several optional items, such as the zero/span valve options and the O sensor option available on the M200EH/EM analyzers.

  • Page 269: Ac Configuration - Standard Heaters (Jp2)

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.4.2. AC Configuration – Standard Heaters (JP2) Power configuration for the AC the standard heaters is set using Jumper set JP2 (see Figure 11-4 for the location of JP2). Table 11-4: Power Configuration for Standard AC Heaters (JP2)

  • Page 270: Ac Configuration -Heaters For Option Packages (Jp6)

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.4.3. AC Configuration –Heaters for Option Packages (JP6) Both the IZS valve option or an O sensor options include AC heaters that maintain an optimum operating temperature for key components of those options. Jumper set JP6 is used to connect the heaters associated with those options to AC power.

  • Page 271: Dc Power Supply Test Points

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.5. DC POWER SUPPLY TEST POINTS Table 11-6: DC Power Test Point and Wiring Color Code NAME TEST POINT# COLOR DEFINITION DGND Black Digital ground AGND Green Analog ground +15V Blue -15V Yellow...

  • Page 272: Keyboard / Display Interface

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.7. KEYBOARD / DISPLAY INTERFACE The front panel keyboard, the display and the keyboard/display circuit board can be verified by observing the operation of the display when power is applied to the instrument and when a key is pressed on the front panel.

  • Page 273: Motherboard

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.9. MOTHERBOARD 11.5.9.1. A/D functions A basic check of the analog to digital (A/D) converter operation on the motherboard is to use the Signal I/O function under the DIAG menu. Check the following two A/D reference voltages and input signals that can be easily measured with a voltmeter.

  • Page 274: Status Outputs

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.9.3. Status Outputs The procedure below can be used to test the Status outputs. SYSTEM_OK 1000 Ω Figure 11-19: Typical Set Up of Status Output Test 1. Connect a cable between the “ D “ pin and the “ ” pin on the status output connector.

  • Page 275: Control Inputs

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.9.4. Control Inputs The control input bits can be tested by the following procedure: • Connect a jumper from the +5 V pin on the STATUS connector to the +5 V on the CONTROL IN connector.

  • Page 276: Communication

    Teledyne Instruments analyzers use the RS-232 protocol as the standard, serial communications protocol. RS- 232 is a versatile standard, which has been used for many years but, at times, is difficult to configure. Teledyne Instruments conforms to the standard pin assignments in the implementation of RS-232. Problems with RS-232 connections usually center around 4 general areas: •...

  • Page 277: Pmt Sensor

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.12. PMT SENSOR The photo multiplier tube detects the light emitted by the reaction of NO with ozone. It has a gain of about 1: 500000 to 1:1000000. It is not possible to test the detector outside of the instrument in the field. The best way to determine if the PMT is working properly is by using the optical test ( OTEST ), which is described in Section 6.13.6.2.

  • Page 278: Pneumatic Sensor Assembly

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.15. PNEUMATIC SENSOR ASSEMBLY The pressure/flow sensor circuit board, located behind the sensor assembly, can be checked with a voltmeter using the following procedure, which assumes that the wiring is intact and that the motherboard and the power supplies are operating properly.

  • Page 279: Ozone Flow

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.5.15.3. Ozone Flow Measure the voltage across TP1 and TP3. With proper ozone flow (250 cm /min), this should be approximately 3.0 ± 0.3 V (this voltage will vary with altitude). With flow stopped (pump turned off), the voltage should be approximately 0 V.

  • Page 280: Generator

    Model 200EH/EM Instruction Manual Troubleshooting & Repair • In some cases with excessive sample moisture, the oxidized molybdenum metal chips inside the converter cartridge may bake together over time and restrict air flow through the converter, in which case it needs to be replaced. To avoid this problem, we recommend the use of a sample gas conditioner (Section 5.10).

  • Page 281: Repair Procedures

    Note that maintenance procedures (e.g., replacement of regularly changed expendables) are discussed in Chapter 8 (Maintenance) are not listed here. Also note that Teledyne-API customer service may have a more detailed service note for some of the below procedures. Contact customer service.

  • Page 282: Flash Chip Replacement Or Upgrade

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.6.2. FLASH CHIP REPLACEMENT OR UPGRADE The M200EH/EM CPU board can accommodate up to two EEPROM flash chips. The standard configuration is one chip with 64 kb of storage capacity, which is used to store the analyzer configuration as created during final checkout at the factory.

  • Page 283: Sample And Ozone Dryer Replacement

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.6.4. SAMPLE AND OZONE DRYER REPLACEMENT The M200EH/EM standard configuration is equipped with a dryer for the ozone supply air. An optional dryer is available for the sample stream and a combined dryer for both gas streams can also be purchased. To change one or all of these options: 1.

  • Page 284: Pmt Sensor Hardware Calibration

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.6.5. PMT SENSOR HARDWARE CALIBRATION The sensor module hardware calibration is used in the factory to adjust the slope and offset of the PMT output and to optimize the signal output and HVPS. If the instrument’s slope and offset values are outside of the acceptable range and all other more obvious causes for this problem have been eliminated, the hardware calibration can be used to adjust the sensor as has been done in the factory.

  • Page 285: Replacing The Pmt, Hvps Or Tec

    Refer to Figure - for the structure of the 200EH/EM sensor assembly and follow the steps below for replacement of one of its components. We recommend to ensure that the PMT, HVPS or TEC modules are, indeed, faulty to prevent unnecessary opening of the sensor.

  • Page 286: Figure 11-22: M200Eh/Em Sensor Assembly

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 3. If the TEC is to be replaced, remove the reaction cell assembly at this point by unscrewing two holding screws. This is necessary only if the PMT cold block is to be removed.
  • Page 287 Model 200EH/EM Instruction Manual Troubleshooting & Repair 12. If the cold block or TEC is to be changed: a) Disconnect the TEC driver board from the preamplifier board, remove the cooler fan duct (4 screws on its side) including the driver board.

  • Page 288: Removing / Replacing The Relay Pca From The Instrument

    Model 200EH/EM Instruction Manual Troubleshooting & Repair 11.7. REMOVING / REPLACING THE RELAY PCA FROM THE INSTRUMENT This is the most commonly used version of the Relay PCA. It includes a bank of solid state AC relays. This version is installed in analyzers where components such as AC powered heaters must be turned ON & OFF. A retainer plate is installed over the relay to keep them securely seated in their sockets.

  • Page 289: Technical Assistance

    If this manual and its trouble-shooting / repair sections do not solve your problems, technical assistance may be obtained from Teledyne-API, Customer Service, 9480 Carroll Park Drive, San Diego, CA 92121. Phone: +1 858 657 9800 or 1-800 324 5190. Fax: +1 858 657 9816. Email: api-customerservice@teledyne.com. Before you contact customer service, fill out the problem report form in Appendix C, which is also available online for electronic submission at http://www.teledyne-api.com/forms/.

  • Page 291: A Primer On Electro-Static Discharge

    12. A PRIMER ON ELECTRO-STATIC DISCHARGE Teledyne Instruments considers the prevention of damage caused by the discharge of static electricity to be extremely important part of making sure that your analyzer continues to provide reliable service for a long time.

  • Page 292: How Electro-Static Charges Cause Damage

    Model 200EH/EM Instruction Manual A Primer on Electro-Static Discharge 12.2. HOW ELECTRO-STATIC CHARGES CAUSE DAMAGE Damage to components occurs when these static charges come into contact with an electronic device. Current flows as the charge moves along the conductive circuitry of the device and the typically very high voltage levels of the charge overheat the delicate traces of the integrated circuits, melting them or even vaporizing parts of them.

  • Page 293: Common Myths About Esd Damage

    Model 200EH/EM Instruction Manual A Primer on Electro-Static Discharge 12.3. COMMON MYTHS ABOUT ESD DAMAGE • I didn’t feel a shock so there was no electro-static discharge : The human nervous system isn’t able to feel a static discharge of less than 3500 volts. Most devices are damaged by discharge levels much lower than that.

  • Page 294: General Rules

    Model 200EH/EM Instruction Manual A Primer on Electro-Static Discharge 12.4.1. General Rules Only handle or work on all electronic assemblies at a properly set up ESD station. Setting up an ESD safe workstation need not be complicated. A protective mat properly tied to ground and a wrist strap are all that is needed to create a basic anti-ESD workstation (see figure 12-2).

  • Page 295: Basic Anti-Esd Procedures For Analyzer Repair And Maintenance

    Model 200EH/EM Instruction Manual A Primer on Electro-Static Discharge Storage bins made of plastic impregnated with carbon (usually black in color) are also excellent at dissipating static charges and isolating their contents from field effects and discharges. • Never use ordinary plastic adhesive tape near an ESD sensitive device or to close an anti-ESD ®...

  • Page 296: Transferring Components From Rack To Bench And Back

    6. Disconnecting your wrist strap is always the last action taken before leaving the workbench. 12.4.2.3. Transferring Components from Rack to Bench and Back When transferring a sensitive device from an installed Teledyne Instruments analyzer to an Anti-ESD workbench or back: 1.

  • Page 297: Packing Components For Return To Teledyne Instruments Customer Service

    4. Reserve the anti-ESD container or bag to use when packing electronic components or assemblies to be returned to Teledyne Instruments. 12.4.2.5. Packing Components for Return to Teledyne Instruments Customer Service. Always pack electronic components and assemblies to be sent to Teledyne Instruments Customer Service in anti- ESD bins, tubes or bags. WARNING DO NOT •...
  • Page 298 Model 200EH/EM Instruction Manual A Primer on Electro-Static Discharge USER NOTES: 05146 Rev B4...
  • Page 299 APPENDIX A-1: Model 200EH/EM Software Menu Trees APPENDIX A-2: Model 200EH/EM Setup Variables Available Via Serial I/O APPENDIX A-3: Model 200EH/EM Warnings and Test Measurements Via Serial I/O APPENDIX A-4: Model 200EH/EM Signal I/O Definitions APPENDIX A-5: Model 200EH/EM iDAS Functions...
  • Page 300 APPENDIX A-1: M 200EH/EM Software Menu Trees, Revision F.0 Model 200EH/EM Instruction Manual APPENDIX A-1: M200EH/EM Software Menu Trees, Revision F.0 SAMPLE TEST CALZ CALS SETUP <TST TST> Press to cycle through the HIGH HIGH HIGH active warning A1: User Selectable Range messages.
  • Page 301 APPENDIX A-1: M 200EH/EM Software Menu Trees, Revision F.0 Model 200EH/EM Instruction Manual SAMPLE SETUP ACAL RNGE PASS MORE Go to iDAS <TST TST> PREV NEXT MODE Menu Tree SEQ 1) SEQ 2) • MODEL TYPE AND TIME DATE SEQ 3) NUMBER •...
  • Page 302 APPENDIX A-1: M 200EH/EM Software Menu Trees, Revision F.0 Model 200EH/EM Instruction Manual SAMPLE SETUP ACAL RNGE PASS CLK MORE VIEW EDIT PREV NEXT ENTER PASSWORD: 818 CONC PREV NEXT EDIT PRNT CALDAT CALCHE HIRES DIAG CONC CALDAT VIEW CALCHE...
  • Page 303 APPENDIX A-1: M 200EH/EM Software Menu Trees, Revision F.0 Model 200EH/EM Instruction Manual SAMPLE SETUP MORE DAS RNGE PASS ACAL COMM VARS DIAG ENTER PASSWORD: 818 INET HESN COM1 COM2 <SET SET> EDIT PREV NEXT JUMP PRNT Go to EDIT...
  • Page 304 APPENDIX A-1: M 200EH/EM Software Menu Trees, Revision F.0 Model 200EH/EM Instruction Manual SAMPLE SETUP MORE DAS RNGE PASS ACAL COMM DIAG VARS HESN INET COM1 COM2 ENTER PASSWORD: 818 ENTER PASSWORD: 818 ENTER PASSWORD: 818 <SET SET> EDIT Go to COMM / VARS...
  • Page 305 APPENDIX A-1: M 200EH/EM Software Menu Trees, Revision F.0 Model 200EH/EM Instruction Manual SAMPLE SETUP DAS RNGE PASS MORE ACAL DIAG COMM VARS ENTER PASSWORD: 818 PREV NEXT DISPLAY OPTIC ELECTRICAL OZONE GEN FLOW ANALOG ANALOG SIGNAL SEQUENCE CALIBRATION CONFIGURATION...
  • Page 306 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Table A-1: M200EH/EM Setup Variables, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Duration of DAS hold off period.
  • Page 307 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Moving average filter size in single- SG_FILT_SIZE Samples 1–500 gas measure modes. ON enables adaptive filter; OFF FILT_ADAPT —...
  • Page 308 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Dilution factor. Used only if is dilution DIL_FACTOR — 1–1000 enabled with FACTORY_OPT variable. ON enables auto-zero; OFF disables AZERO_ENABLE —...
  • Page 309 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Reaction cell temperature set point and warning limits. RCELL_SET ºC 30–70 Warnings: 45–55 Manifold temperature set point and warning limits.
  • Page 310 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Standard reaction cell pressure and valid limits for pressure STD_RCELL_PRESS "Hg 0.1–50 Valid limits: compensation. 0.5–12 29.92 Standard sample pressure and valid limits for pressure compensation.
  • Page 311 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Range to calibrate during remote calibration. Enclose value in double REMOTE_CAL_MODE — LOW, HIGH quotes (") when setting from the RS- 232 interface.
  • Page 312 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Front panel display intensity. Enclose HIGH,MED, DISP_INTENSITY — HIGH value in double quotes (") when LOW, DIM setting from the RS-232 interface.
  • Page 313 Model 200EH/EM Instruction Manual APPENDIX A-2: Setup Variables For Serial I/O, Revision F.0 Numeric Setup Variable Default Value Value Range Description Units Factory option flags. Add values to combine flags. 1 = enable dilution factor 2 = display units in concentration field...
  • Page 314 Model 200EH/EM Instruction Manual APPENDIX A-3: Warnings and Test Functions, Revision F.0 APPENDIX A-3: Warnings and Test Functions, Revision F.0 Table A-2: M200EH/EM Warning Messages, Revision F.0 Name Message Text Description WSYSRES SYSTEM RESET Instrument was power-cycled or the CPU was reset.
  • Page 315 Model 200EH/EM Instruction Manual APPENDIX A-3: Warnings and Test Functions, Revision F.0 Table A-3: M200EH/EM Test Functions, Revision F.0 TEST Function Message Text Description RNG_DATA_OUT_1 “A1:<data point>=<range> <units>” D/A #1 range. RNG_DATA_OUT_2 “A2:<data point>=<range> <units>” D/A #2 range. RNG_DATA_OUT_3 “A3:<data point>=<range> <units>”...
  • Page 316 Model 200EH/EM Instruction Manual APPENDIX A-3: Warnings and Test Functions, Revision F.0 TEST Function Message Text Description NO=396.5 PPB NO concentration for current range. O2SLOPE O2 SLOPE=1.000 slope computed during zero/span calibration. O2OFFSET O2 OFFSET=0.00 % offset computed during zero/span calibration.
  • Page 317 Model 200EH/EM Instruction Manual APPENDIX A-4: M200EH/EM Signal I/O Definitions, Revision F.0 APPENDIX A-4: M200EH/EM Signal I/O Definitions, Revision F.0 Table A-4: M200EH/EM Signal I/O Definitions, Revision F.0 SIGNAL NAME BIT OR CHANNEL DESCRIPTION NUMBER Internal inputs, U7, J108, pins 9–16 = bits 0–7, default I/O address 322 hex 0–7...
  • Page 318 Model 200EH/EM Instruction Manual APPENDIX A-4: M200EH/EM Signal I/O Definitions, Revision F.0 SIGNAL NAME BIT OR CHANNEL DESCRIPTION NUMBER ST_CONC_ALARM_2 1 = conc. limit 2 exceeded 0 = conc. OK Spare A status outputs, U24, J1017, pins 1–8 = bits 0–7, default I/O address 323 hex...
  • Page 319 Model 200EH/EM Instruction Manual APPENDIX A-4: M200EH/EM Signal I/O Definitions, Revision F.0 SIGNAL NAME BIT OR CHANNEL DESCRIPTION NUMBER IZS_HEATER 0 = IZS heater on 1 = off O2_CELL_HEATER 0 = O sensor cell heater on 1 = off ZERO_VALVE...
  • Page 320 Model 200EH/EM Instruction Manual APPENDIX A-4: M200EH/EM Signal I/O Definitions, Revision F.0 SIGNAL NAME BIT OR CHANNEL DESCRIPTION NUMBER TEMP_INPUT_6 Diagnostic temperature input MANIFOLD_TEMP Bypass or dilution manifold temperature Rear board DAC MUX analog inputs, MUX default I/O address 327 hex...
  • Page 321 Model 200EH/EM Instruction Manual APPENDIX A-5: M200EH/EM iDAS Functions, Revision F.0 APPENDIX A-5: M200EH/EM iDAS Functions, Revision F.0 Table A-5: M200EH/EM DAS Trigger Events, Revision F.0 NAME DESCRIPTION ATIMER Automatic timer expired EXITZR Exit zero calibration mode EXITLS Exit low span calibration mode...
  • Page 322 Model 200EH/EM Instruction Manual APPENDIX A-5: M200EH/EM iDAS Functions, Revision F.0 Table A-6: M200EH/EM iDAS Data Types, Revision F.0 NAME DESCRIPTION UNITS PMTDET PMT detector reading NXSLP1 slope for range #1 — NXSLP2 slope for range #2 — NOSLP1 NO slope for range #1 —...
  • Page 323 Model 200EH/EM Instruction Manual APPENDIX A-5: M200EH/EM iDAS Functions, Revision F.0 NAME DESCRIPTION UNITS PMTTMP PMT temperature °C SMPFLW Sample flow rate cc/m SMPPRS Sample pressure "Hg BOXTMP Internal box temperature °C HVPS High voltage power supply output Volts REFGND...
  • Page 324 Model 200EH/EM Instruction Manual APPENDIX A-6: Terminal Command Designators, Revision F.0 APPENDIX A-6: Terminal Command Designators, Revision F.0 Table A-7: Terminal Command Designators, Revision F.0 COMMAND ADDITIONAL COMMAND SYNTAX DESCRIPTION ? [ID] Display help screen and this list of commands...
  • Page 325 Model 200EH/EM Instruction Manual APPENDIX A-6: Terminal Command Designators, Revision F.0 The command syntax follows the command type, separated by a space character. Strings in [brackets] are optional designators. The following key assignments also apply. TERMINAL KEY ASSIGNMENTS Abort line...
  • Page 326 Model 200EH/EM Instruction Manual APPENDIX A-6: Terminal Command Designators, Revision F.0 Pg: A-28 05147 Rev F.0...
  • Page 327 APPENDIX B: Spare Parts and Expendables NOTE Use of replacement parts other than those supplied by Teledyne-API may result in non-compliance with European standard EN 61010-1. The following lists contain spare parts recommended for the proper care and maintenance of your M200EH/EM: •...
  • Page 328 M200EH Spare Parts List Part Number Description 000940100 ORIFICE, 3 MIL, BYPASS MANIFOLD, SAMPLE FLOW 000940400 ORIFICE, 4 MIL, OZONE DRYER FLOW, O2 OPTION 000940500 ORIFICE, 7 MIL, OZONE FLOW/BYPASS FLOW 001761800 ASSY, FLOW CTL, 90CC, OZONE DRYER 002270100 AKIT, GASKETS, WINDOW, (12) 002730000 CD, FILTER, 665NM (KB) 008830000...
  • Page 329 M200EH Spare Parts List 045230200 PCA, RELAY CARD, M100E/M200E, w/RELAYS 045500200 ASSY, ORIFICE HOLDER, 7 MIL, OZONE FLOW 047050100 ASSY, ORIFICE HOLDER, BYPASS MANIFOLD 047200000 ASSY, MOLY GUTS, M200E, EM, EH 047210000 ASSY, MINI-HICON GUTS, GROUNDED, M200EH 048620200 PCA, SERIAL INTERFACE, w/ MD, E SERIES 049310100 PCA, TEC CONTROL, E SERIES 049760300...
  • Page 330 Teledyne Advanced Pollution Instrumentation RECOMMENDED SPARE PARTS STOCKING LEVELS Model 200EH UNITS PART NO. DESCRIPTION 2- 5 6-10 11-20 21-30 000940500 CD, Orifice, .007 orange 011310000 * Assy, Dryer, NOX 011930000 PMT, NOX 014080100 Assy, HVPS, SOX/NOX 039550200 PCA, Relay Card, M100E/M200E, w/Relays...
  • Page 331 M200EM Spare Parts List Part Number Description 000940400 ORIFICE, 4 MIL, OZONE DRYER FLOW, O2 OPTION 000940500 ORIFICE, 7 MIL, OZONE FLOW/SAMPLE FLOW 001761800 ASSY, FLOW CTL, 90CC, 1/4" TEE-TMT, B 002270100 AKIT, GASKETS, WINDOW, (12) 002730000 CD, FILTER, 665NM (KB) 008830000 COLD BLOCK (KB) 009070000...
  • Page 332 M200EM Spare Parts List 045500200 ASSY, ORIFICE HOLDER, 7 MIL, OZONE FLOW 047050500 ASSY, ORIFICE HOLDER, BYPASS MANIFOLD 047200000 ASSY, MOLY GUTS, MOLY CONVERTER 048620200 PCA, SERIAL INTERFACE, w/ MD, E SERIES 049310100 PCA, TEC CONTROL, E SERIES 049760300 ASSY, TC PROG PLUG, MOLY,TYP K, TC1 050610700 CONFIGURATION PLUGS, 115V, M200E 050610900...
  • Page 333 Teledyne Advanced Pollution Instrumentation RECOMMENDED SPARE PARTS STOCKING LEVELS Model 200EM UNITS PART NO. DESCRIPTION 2- 5 6-10 11-20 21-30 000940500 CD, Orifice, .007 orange 011310000 * Assy, Dryer, NOX 011930000 PMT, NOX 014080100 Assy, HVPS, SOX/NOX 039550200 PCA, Relay Card, M100E/M200E, w/Relays...
  • Page 334 M200E/EH/EM Expendables Kit Part Number Description Quantity 018080000 KIT, DESSICANT BAGGIES (12) 002270100 KIT, WINDOW GASKET (12) 009690300 KIT, TFE FILTER ELEMENTS, 47MM, 1UM (30) 046030000 KIT, CH-43, 3 REFILLS FL0000001 FILTER, SS FL0000003 FILTER, DFU HW0000020 SPRING OR0000001 ORING, FLOW CONTROL OR0000034 ORING, FLOW CONTROL OR0000039...
  • Page 335 Warranty/Repair TELEDYNE Model 200EH/EM Instruction INSTRUMENTS Questionnaire Model Manual Advanced Pollution Instrumentation 200EH/EM A Teledyne Technologies Company CUSTOMER:_____________________________________ PHONE: ________________________________ CONTACT NAME: ________________________________ FAX NO. _______________________________ SITE ADDRESS:_____________________________________________________________________________ MODEL TYPE: ______________ SERIAL NO.: _________________ FIRMWARE REVISION: ___________ 1. Are there any failure messages? ______________________________________________________________...
  • Page 336 __________________________________________________________________________________________ 5. If possible, please include a portion of a strip chart pertaining to the problem. Circle pertinent data. Thank you for providing this information. Your assistance enables Teledyne Instruments to respond faster to the problem that you are encountering.
  • Page 337 Model 200EH/EM Instruction Manual APPENDIX D: Diagrams and Schematics APPENDIX D: Diagrams and Schematics Table D-1: List of Included Diagrams and Schematics DOCUMENT # DOCUMENT TITLE 04504 Document, M200EH/EM Electronic Interconnect Diagram 04496 Document, M200EH/EM Electronic Interconnect Listing 01669 PCA 016680300, Ozone generator board...
  • Page 338 APPENDIX D: Diagrams and Schematics Model 200EH/EM Instruction Manual Pg: D-2 05150 Rev. D...

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