Teledyne GFC 7001EM - Manuals

Warranty Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 5 WARRANTY WARRANTY POLICY (02024D) Prior to shipment, TAI equipment is thoroughly inspected and tested. Should equipment failure occur, TAI assures its customers that prompt service and support will be available. COVERA...

Manual Information Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 7 ABOUT THIS MANUAL This manual is comprised of multiple documents, in PDF format, as listed below. Part No. Rev Name/Description 04288 D GFC 7001E/EM Manual 04906 H Menu Tree and Software Documentation, L.8 (a...

Table of Contents Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 9 TABLE OF CONTENTS PART I – GENERAL INFORMATION .................................................................................... 21 1. INTRODUCTION .............................................................

Table of Contents Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 16 14.4.2.1. Working at the Instrument Rack .................................................................................................309 14.4.2.2. Working at an Anti-ESD Work Bench .........................

Table of Contents Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 18 Figure 13-4: Sync/Demod Board Status LED Locations ................................................................................275 Figure 13-5: Relay Board Status LEDs .......................................

Part 1 General Information Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 21 PART I – GENERAL INFORMATION

Introduction Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 23 1. INTRODUCTION 1.1. GFC 7001E FAMILY OVERVIEW The family includes the GFC 7001E and the GFC 7001EM Gas Filter Correlation (GFC) Carbon Monoxide Analyzer. The GFC 7001E family of analyzers is a microprocessor-cont...

Introduction Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 24 Several options can be purchased for the analyzer that allows the user to more easily supply and manipulate Zero Air and Span Gas. For more information of these options, see Section 5.6. 1.2. ADDITIONAL DOCUMENTAT...

Introduction Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 25 1.2.1. USING THIS MANUAL NOTE This manual explains the operation and use of both the GFC 7001E and the GFC 7001EM Gas Filter Correlation Carbon Monoxide Analyzer. For the most part these two instruments are nearly...

Introduction Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 26 PART II – OPERATING INSTRUCTIONS BASIC OPERATION OF THE GFC 7001E/EM ANALYZER Step-by-Step instructions for using the display/keyboard to set up and operate the GFC 7001E/EM Analyzer. ADVANCED FEATURES OF THE GFC ...

Specifications Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 27 2. SPECIFICATIONS AND APPROVALS 2.1. SPECIFICATIONS Table 2-1: M 300E/300EM Basic Unit Specifications Ranges GFC 7001E: Min: 0-1 ppm; Max: 0-1000 ppm of Full Scale (User selectable) GFC 7001EM: Min: 0-5 ppm; Max...

Specifications Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 28 1 As defined by the USEPA 2 At constant temperature and pressure 2.2. EPA EQUIVALENCY DESIGNATION Teledyne’s GFC 7001E Carbon Monoxide Analyzer is designated as Reference Method Number EQOA-0992-087 as defined i...

Specifications Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 29 2.3. TUV DESIGNATION On behalf of Teledyne TÜV Rheinland Immissionsschutz und Energiesysteme GmbH has performed the suitability test of the measuring system GFC 7001E for the component carbon monoxide. The suita...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 31 3. GETTING STARTED 3.1. GFC 7001E/EM ANALYZER LAYOUT Figure 3-1: Front Panel Layout Table 3-1: Front Panel Nomenclature Name Significance Mode Field Displays the name of the analyzer’s current operating mode. M...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 32 Figure 3-2: Rear Panel Layout Table 3-2: Inlet / Outlet Connector Nomenclature REAR PANEL LABEL FUNCTION SAMPLE Connect a gas line from the source of sample gas here. Calibration gases are also inlet here on un...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 33 Figure 3-3: Internal Layout – GFC 7001E

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 35 GFC Temperature Sensor Shock Absorbing Mounting Bracket Purge Gas Inlet IR Source GFC Wheel Heat Sync GFC Wheel Motor Purge Gas Pressure Regulator Bench Temperature Thermistor Sample Chamber Pressure Sensor(s) ...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 36 Figure 3-6: GFC 7001E/EM Internal Gas Flow (Basic Configuration) NOTE For pneumatic diagrams of GFC 7001E/EM Analyzer with various calibration valve options, see Section 5.6. 3.2. UNPACKING THE GFC 7001E/EM ANA...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 37 NOTE It is recommended that you store shipping containers/materials for future use if/when the instrument should be returned to the factory for repair and/or calibration serivce. See Warranty section in this ma...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 38 3.3. ELECTRICAL CONNECTIONS NOTE To maintain compliance with EMC standards, it is required that the cable length be no greater than 3 meters for all I/O connections, which include Analog In, Analog Out, Status ...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 39 3.3.2. ANALOG OUTPUT CONNECTIONS The GFC 7001E is equipped with several analog output channels accessible through a connector on the back panel of the instrument. The standard configuration for these outputs is...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 40 The status outputs are accessed via a 12-pin connector on the analyzer’s rear panel labeled STATUS (see Figure 3-2). Pin-outs for this connector are: STATUS 1 2 3 4 5 6 7 8 D + SYST EM OK HIGH RANG E C O NC V A...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 41 3.3.4. 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 CONT...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 42 3.3.5. CONNECTING THE SERIAL PORTS If you wish to utilize either of the analyzer’s two serial interface COMM ports, refer to Section 8 for instructions on their configuration and usage. 3.3.6. CONNECTING TO A L...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 43 3.4.1.2. Span Gas Span gas is a gas specifically mixed to match the chemical composition of the type of gas being measured at near full scale of the desired measurement range. In the case of CO measurements mad...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 44 3.4.2. PNEUMATIC CONNECTIONS TO GFC 7001E/EM BASIC CONFIGURATION NOTE In order to prevent dust from getting into the gas flow channels of your analyzer, it was shipped with small plugs inserted into each of the...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 45 Figure 3-11: Pneumatic Connections–Basic Configuration–Using Gas Dilution Calibrator 3.4.2.1. Sample Gas Source Attach a sample inlet line to the SAMPLE inlet port. The sample input line should not be more than...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 46 3.4.2.3. Input Gas Venting The span gas, zero air supply and sample gas line MUST be vented in order to ensure that the gases input do not exceed the maximum inlet pressure of the analyzer as well as to prevent...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 47 3.5.1. STARTUP After the electrical and pneumatic connections are made, turn on the instrument. The pump and exhaust fan should start immediately. The display should immediately display a single, horizontal das...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 48 3.5.2. WARM UP The GFC 7001E/EM requires about 60 minutes warm-up time before reliable CO measurements can be taken. During that time, various portions of the instrument’s front panel will behave as shown in Ta...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 50 3.5.4. FUNCTIONAL CHECK After the analyzer’s components have warmed up for at least 60 minutes, verify that the software properly supports any hardware options that were installed. For information on navigating...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 51 3.6. INITIAL CALIBRATION OF THE GFC 7001E/EM To perform the following calibration you must have sources for zero air and span gas available for input into the sample port on the back of the analyzer. See Sectio...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 52 3.6.2.1. Verifying the GFC 7001E/EM Reporting Range Settings While it is possible to perform the following procedure with any range setting we recommend that you perform this initial checkout using following re...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 53 3.6.2.2. Dilution Ratio Set Up If the dilution ration option is enabled on your GFC 7001E/EM Analyzer and your application involves diluting the sample gas before it enters the analyzer, set the dilution ration...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 54 3.6.2.3. Set CO Span Gas Concentration Set the expected CO pan gas concentration. This should be 80-90% of range of concentration range for which the analyzer’s analog output range is set.

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 55 3.6.2.4. Zero/Span Calibration To perform the zero/span calibration procedure, press: Press ENTR to changes the OFFSET & SLOPE values for the CO measurements. Press EXIT to leave the calibration unchanged a...

Getting Started Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 56 3.6.3. O 2 SENSOR CALIBRATION PROCEDURE If your GFC 7001E/EM is equipped with the optional O 2 sensor, this sensor should be calibrated during installation of the instrument. See Section 9.7.1 for instructions....

FAQs Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 57 4. FREQUENTLY ASKED QUESTIONS 4.1. FAQ’S The following is a list from the Teledyne’s Customer Service Department of the most commonly asked questions relating to the GFC 7001E/EM CO Analyzer. Q: Why does the ENTR key some...

FAQs Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 58 Q: How do I measure the sample flow? A: Sample flow is measured by attaching a calibrated rotameter, wet test meter, or other flow-measuring device to the sample inlet port when the instrument is operating. The sample flo...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 61 5. OPTIONAL HARDWARE AND SOFTWARE This includes a brief description of the hardware and software options available for the GFC 7001E/EM Gas Filter Correlation Carbon Monoxide Analyzer. For assist...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 62 5.3. CARRYING STRAP/HANDLE (OPT 29) The chassis of the GFC 7001E/EM Analyzer allows the user to attach a strap handle for carrying the instrument. The handle is located on the right side and pull...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 63 Figure 5-2: Current Loop Option Installed on the Motherboard 5.4.1. CONVERTING CURRENT LOOP ANALOG OUTPUTS TO STANDARD VOLTAGE OUTPUTS NOTE Servicing or handling of circuit components requires el...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 64 5. Disconnect the current loop option PCA from the appropriate connector on the motherboard (see Figure 5-2). 6. Each connector, J19 and J23, requires two shunts. Place one shunt on the two left ...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 65 5.6.2.1. Internal Pneumatics (OPT 50A) Figure 5-3: Internal Pneumatic Flow OPT 50A – Zero/Span Valves Table 5-1: Zero/Span Valve Operating States for Option 52 MODE VALVE CONDITION SAMPLE (Normal...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 66 5.6.2.2. Pneumatic Set Up (OPT 50A)  See Figure 3-2 for the location of gas inlets and Figure 5-4: Pneumatic Connections – Option 50A: Zero/Span Calibration Valves SAMPLE GAS SOURCE: Attach a sa...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 67 5.6.3. ZERO/SPAN/SHUTOFF VALVE (OPTION 50B) This option requires that both zero air and span gas be supplied from external sources.  Span gas will be supplied from a pressurized bottle of calibr...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 68 5.6.3.2. Pneumatic Set Up (OPT 50B) See Figure 3-2 for the location of gas inlets and outlets. Figure 5-6: Pneumatic Connections – Option 50B: Zero/Pressurized Span Calibration Valves SAMPLE GAS ...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 70 5.6.4.2. Pneumatic Set Up (OPT 50H) See Figure 3-2 for the location of gas inlets and outlets and span gas no shutoff valves are required. Figure 5-8: Pneumatic Connections – Option 50H: Zero/Spa...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 71 5.6.5. ZERO/SPAN/SHUTOFF WITH INTERNAL ZERO AIR SCRUBBER (OPTION 50E) 5.6.5.1. Internal Pneumatics (OPT 50E) Figure 5-9: Internal Pneumatic Flow OPT 50E – Zero/Span/Shutoff Valves with Internal Z...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 72 5.6.5.2. Pneumatic Set Up (OPT 50E) See Figure 3-2 for the location of gas inlets and outlets. Figure 5-10: Pneumatic Connections – Option 50E: Zero/Span Calibration Valves SAMPLE GAS SOURCE: Att...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 73 5.7. COMMUNICATION OPTIONS 5.7.1. RS-232 MODEM CABLE (OPTION 60A) Table 5-5: GFC 7001E/EM Modem Cable Options OPTION NO. DESCRIPTION 60A Shielded, straight-through DB-9F to DB-25M cable of about ...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 74 5.7.3. ETHERNET (OPTION 63A) The ETHERNET option allows the analyzer to be connected to any Ethernet Local Area Network (LAN) running TCP/IP. The local area network must have routers capable of o...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 75 5.7.4. ETHERNET + MULTIDROP (OPT 63C) This option allows the instrument to communicate on both RS-232 and ETHERNET networks simultaneously. It includes the following:  RS-232 MULTIDROP (OPT 62) ...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 76 5.8.1.2. Operation within the GFC 7001E/EM Analyzer The oxygen sensor option is transparently integrated into the core analyzer operation. All functions can be viewed or accessed through the fron...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 77 5.9. CARBON DIOXIDE SENSOR (OPTION 67A) The optional CO 2 sensor allows the GFC 7001E/EM to measure both CO and CO 2 simultaneously. This option includes a CO 2 sensor probe, a Logic PCA that con...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 78 Figure 5-16: CO 2 sensor Theory of Operation The sensor computes the ratio between the reference signal and the measurement signal to determine the degree of light absorbed by CO 2 present in the...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 79 Figure 5-17: GFC 7001E/EM – Internal Pneumatics with CO 2 Sensor Option 66 5.9.2.4. Electronic Operation of the CO 2 Sensor The CO 2 PCA which is mounted to the rear side of the Relay Board Mount...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 80 5.10. CONCENTRATION ALARM RELAY (OPTION 61) The Teledyne “E” series analyzers have an option for four (4) “dry contact” relays on the rear panel of the instrument. This relay option is different ...

Optional Hardware and Software Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 82 5.11. SPECIAL FEATURES 5.11.1. DILUTION RATIO OPTION The Dilution Ratio Option is a software option that is designed for applications where the Sample gas is diluted before being analyzed by the ...

Part II Operating Instructions Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 83 PART II – OPERATING INSTRUCTIONS

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 85 6. BASIC OPERATION The GFC 7001E/EM Analyzer is a computer-controlled analyzer with a dynamic menu interface that allows all major operations to be controlled from the front panel display and keyboard through u...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 86 6.2. SAMPLE MODE This is the analyzer’s standard operating mode. In this mode the instrument is analyzing the gas in the sample chamber, calculating CO concentration and reporting this information to the user v...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 87 Table 6-2: Test Functions Defined PARAMETER DISPLAY TITLE UNITS MEANING Stability STABIL PPB 3 , PPM UGM 3 , MGM Standard deviation of CO concentration readings. Data points are recorded every ten seconds using...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 88 6.3. WARNING MESSAGES The most common instrument failures will be reported as a warning on the analyzer’s front panel and through the COMM ports. Section 13.1.1 explains how to use these messages to troubleshoo...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 89 To view and clear warning messages: Figure 6-3: Viewing and Clearing GFC 7001E/EM WARNING Messages 6.4. CALIBRATION MODE Press the CAL key to switch the GFC 7001E/EM into calibration mode. In this mode the user...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 90 6.5. 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 perfor...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 91 6.5.1. SETUP  CFG: CONFIGURATION INFORMATION Pressing the CFG key displays the instrument’s configuration information. This display lists the analyzer model, serial number, firmware revision, software library ...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 92 6.5.3. SETUP  PASS: PASSWORD FEATURE The GFC 7001E/EM provides password protection of the calibration and setup functions to prevent unauthorized adjustments. When the passwords have been enabled in the PASS m...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 95 6.5.4. SETUP  CLK: SETTING THE GFC 7001E/EM ANALYZER’S INTERNAL CLOCK 6.5.4.1. Setting the internal Clock’s Time and Day The GFC 7001E/EM has a time of day clock that supports the DURATION step of the automati...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 96 6.5.4.2. Adjusting the Internal Clock’s Speed In order to compensate for CPU clocks which run faster or slower, you can adjust a variable called CLOCK_ADJ to speed up or slow down the clock by a fixed amount ev...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 97 6.6. SETUP  RNGE: ANALOG OUTPUT REPORTING RANGE CONFIGURATION 6.6.1. PHYSICAL RANGE VERSUS ANALOG OUTPUT REPORTING RANGES Functionally, the GFC 7001E Family of CO Analyzers have one hardware PHYSICAL RANGE tha...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 98 6.6.2. ANALOG OUTPUT RANGES FOR CO CONCENTRATION The analyzer has several active analog output signals related accessible through a connector on the rear panel (see Figure 3-2). Only active if the Optional CO 2...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 99 6.6.3. REPORTING RANGE MODES The GFC 7001E/EM provides three analog output range modes to choose from.  Single range ( SNGL ) mode sets a single maximum range for the analog output. If single range is selected...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 100 6.6.3.1. RNGE  MODE  SNGL: Configuring the GFC 7001E/EM Analyzer for SINGLE Range Mode NOTE This is the default reporting range mode for the analyzer. When the single range mode is selected ( SNGL ), all ana...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 103 6.6.3.3. RNGE  MODE  AUTO: Configuring the GFC 7001E/EM Analyzer for AUTO Range Mode In AUTO range mode, the analyzer automatically switches the reporting range between two user-defined ranges (low and high)...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 104 SETUP X.X CFG DAS CLK MORE EXIT SETUP X.X SET UNIT DIL EXIT SETUP X.X SNGL DUAL DIL ENTR EXIT SETUP X.X SNGL DUAL AUTO EXIT SETUP X.X MODE UNIT DIL EXIT SETUP X.X Toggle these keys to select the upper limit fo...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 105 6.6.4. SETUP  RNGE  UNIT: SETTING THE REPORTING RANGE UNITS OF MEASURE The GFC 7001E/EM can display concentrations in parts per million (10 6 mols per mol, PPM) or milligrams per cubic meter (mg/m 3 , MG). C...

Basic Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 106 6.6.5. SETUP  RNGE  DIL: USING THE OPTIONAL DILUTION RATIO FEATURE This feature is a optional software utility that allows the user to compensate for any dilution of the sample gas that may occur before it e...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 107 7. ADVANCED FEATURES 7.1. SETUP  IDAS: USING THE DATA ACQUISITION SYSTEM (IDAS) The GFC 7001E/EM Analyzer contains a flexible and powerful, Internal Data Acquisition System (iDAS) that enables the analyzer ...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 108 The iDAS can be disabled, as opposed to suspended, only by disabling or deleting its individual data channels. 7.1.2. IDAS STRUCTURE The iDAS is designed around the feature of a “record”. A record is a singl...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 109 7.1.3. DEFAULT IDAS CHANNELS A set of default Data Channels has been included in the analyzer’s software for logging CO concentration and certain predictive diagnostic data. These default channels include bu...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 110 Triggering Events and Data Parameters/Functions for these default channels are: Figure 7-1: Default iDAS Channel Setup

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 112 7.1.5. SETUP  DAS  EDIT: ACCESSING THE IDAS EDIT MODE iDAS configuration is most conveniently done through the APICOM remote control program. The following list of key strokes shows how to edit the iDAS us...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 113 7.1.5.1. Editing iDAS Data Channel Names To edit the name of an iDAS data channel, follow the instruction shown in Section 7.1.5.1, then press:

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 114 7.1.5.2. Editing iDAS Triggering Events Triggering events define when and how the iDAS records a measurement of any given data channel. The most commonly used triggering events are: ATIMER : Sampling at regu...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 115 Triggering events are firmware-specific and a complete list of Triggers for this model analyzer can be found in Appendix A-5. 7.1.5.3. Editing iDAS Parameters Data parameters are types of data that may be me...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 117 7.1.5.4. Editing 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 ...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 118 The SAMPLE PERIOD and REPORT PERIOD intervals are synchronized to the beginning and end of the appropriate interval of the instruments internal clock. If SAMPLE PERIOD were set for one minute the first readi...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 119 7.1.5.6. Editing the Number of Records The number of data records in the iDAS is limited to about a cumulative one million data points in all channels (one megabyte of space on the Disk-on-Chip). However, th...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 120 7.1.5.7. RS-232 Report Function The 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 using the APICOM ...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 121 7.1.5.8. Enabling/Disabling the HOLDOFF Feature The iDAS HOLDOFF feature prevents data collection during calibration operations and at certain times when the quality of the analyzer’s CO measurements may not...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 122 7.1.5.9. The Compact Report Feature When enabled, this option avoids unnecessary line breaks on all RS-232 reports. Instead of reporting each parameter in one channel on a separate line, up to five parameter...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 123 7.1.7. REMOTE IDAS CONFIGURATION 7.1.7.1. iDAS Configuration Using APICOM Editing channels, parameters and triggering events as described in this can be performed via the APICOM remote control program using ...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 124 7.1.7.2. iDAS Configuration Using Terminal Emulation Programs Although Teledyne recommends the use of APICOM, the iDAS can also be accessed and configured through a terminal emulation program such as HyperTe...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 126 To access and navigate the VARS menu, use the following key sequence. PREV JUMP EDIT ENTR EXIT ENTR EXIT Enter sign and number of seconds per day the clock gains (-) or loses(+). SETUP X.X SETUP X.X Toggle t...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 127 7.3. SETUP  MORE  DIAG: USING THE DIAGNOSTICS FUNCTIONS A series of diagnostic tools is grouped together under the SETUP  MORE  DIAG menu, as these parameters are dependent on firmware revision (see Appe...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 128 7.3.1. ACCESSING THE DIAGNOSTIC FEATURES To access the DIAG functions press the following keys:

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 129 7.4. USING THE GFC 7001E/EM ANALYZER’S ANALOG OUTPUTS. The GFC 7001E/EM Analyzer comes equipped with four analog outputs.  The first two outputs ( A1 & A2) carry analog signals that represent the curren...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 130 To access the ANALOG I/O CONFIGURATION sub menu, press: Figure 7-4: Accessing the Analog I/O Configuration Submenus

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 131 7.4.2. ANALOG OUTPUT VOLTAGE / CURRENT RANGE SELECTION In its standard configuration, each of the analog outputs is set to output a 0–5 VDC signals. Several other output ranges are available. Each range has ...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 132 To change the output type and range, select the ANALOG I/O CONFIGURATION submenu (see Figure 7-4) then press:

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 133 7.4.3. CALIBRATION OF THE ANALOG OUTPUTS Analog output calibration should to be carried out on first startup of the analyzer (performed in the factory as part of the configuration process) or whenever recali...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 134 7.4.3.2. Automatic Calibration of the Analog Outputs To calibrate the outputs as a group with the AOUTS CALIBRATION command, select the ANALOG I/O CONFIGURATION submenu (see Figure 7-4) then press: NOTE Befo...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 136 7.4.3.3. Individual Calibration of the Analog Outputs To use the AUTO CAL feature to initiate an automatic calibration for an individual analog output, select the ANALOG I/O CONFIGURATION submenu (see Figure...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 137 7.4.3.4. Manual Calibration of the Analog Outputs Configured for Voltage Ranges For highest accuracy, the voltages of the analog outputs can be manually calibrated. NOTE: The menu for manually adjusting the ...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 139 7.4.3.5. Manual Adjustment of Current Loop Output Span and Offset A current loop option may be purchased for the A1 , A2 and A3 analog outputs of the analyzer. This option places circuitry in series with the...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 141 An alternative method for measuring the output of the Current Loop converter is to connect a 250 ohm  1% resistor across the current loop output in lieu of the current meter (see Figure 3-7 for pin assignme...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 142 7.4.4. TURNING AN ANALOG OUTPUT OVER-RANGE FEATURE ON/OFF In its default configuration, a ± 5% over-range is available on each of the GFC 7001E/EM Analyzer’s analog outputs. This over-range can be disabled i...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 143 7.4.5. 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...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 144 7.4.6. SELECTING A TEST CHANNEL FUNCTION FOR OUTPUT A4 The test functions available to be reported are listed in Table 7-10: Table 7-10: Test Channels Functions available on the GFC 7001E/EM’s Analog Output ...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 145 To activate the TEST Channel and select CO MEASURE a function, press: DIAG EXIT DIAG PREV ENTR EXIT DIAG PREV NEXT EXIT Continue pressing until ... Toggle these keys to choose a mass flow controller TEST cha...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 146 7.4.7. AIN CALIBRATION This is the submenu to conduct a calibration of the GFC 7001E/EM Analyzer’s analog inputs. This calibration should only be necessary after major repair such as a replacement of CPU, mo...

Advanced Features Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 147 7.5. SETUP  MORE  ALRM: USING THE GAS CONCENTRATION ALARMS The GFC 7001E/EM includes two CO concentration alarms if OPT 61 is installed on your instrument. Each alarm has a user settable limit, and is asso...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 149 8. REMOTE OPERATION 8.1. SETUP  MORE  COMM: USING THE ANALYSER’S COMMUNICATION PORTS The GFC 7001E/EM is equipped with two serial communication ports located on the rear panel (see Figure 3-2). Both ports o...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 151 8.1.3. COMM PORT BAUD RATE To select the baud rate of either one of the COMM ports, press:

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 152 8.1.4. COMM PORT COMMUNICATION MODES Each of the analyzer’s serial ports can be configured to operate in a number of different modes, listed in Table 8-1. As modes are selected, the analyzer sums the mode ID ...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 153 Press the following keys to select communication modes for a one of the COMM ports, such as the following example where RS-485 mode is enabled:

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 154 8.1.5. COMM 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 COMM port. While the test is running,...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 155 8.1.6. MACHINE ID Each type of Teledyne’s analyzer is configured with a default ID code.  The default ID code for the GFC 7001E/EM Analyzers is 300 . The ID number is only important if more than one analyzer...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 156 8.1.7. TERMINAL OPERATING MODES The GFC 7001E/EM can be remotely configured, calibrated or queried for stored data through the serial ports. As terminals and computers use different communication schemes, the...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 157 8.1.7.2. Command Syntax Commands are not case-sensitive and all arguments within one command (i.e. ID numbers, keywords, data values, etc.) must be separated with a space character. All Commands follow the sy...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 158  For example, +1.0, 1234.5678, -0.1, 1 are all valid floating-point numbers. Boolean expressions : Used to specify the value of variables or I/O signals that may assume only two values.  They are denoted by...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 159 8.1.7.5. COMM Port Password Security In order to provide security for remote access of the GFC 7001E/EM, a LOGON feature can be enabled to require a password before the instrument will accept commands. This i...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 160 8.2. MULTIDROP RS-232 SET UP The RS-232 multidrop consists of a printed circuit assembly that is seated on the CPU card and is connected by a Y-ribbon cable from its J3 connector to the CPU’s COM1 and COM2 co...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 161 Note: If you are adding an instrument to the end of a previously configured chain, remove the shunt between Pins 21  22 of JP2 on the multidrop PCA in the instrument that was previously the last instrument i...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 162 8.3. RS-485 CONFIGURATION OF COM2 As delivered from the factory, COM2 is configured for RS-232 communications. This port can be reconfigured for operation as a non-isolated, half-duplex RS-485 port capable of...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 163 Female DB-9 (COM2) (As seen from outside analyzer) (RS-485) 1 2 3 4 5 6 7 8 9 GND RX/TX + RX/TX - Figure 8-6: Back Panel Connector Pin-Outs for COM2 in RS-485 Mode. The signal from this connector is routed fr...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 164 8.4. REMOTE ACCESS VIA THE ETHERNET 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. T...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 165 8.4.2. CONFIGURING THE ETHERNET INTERFACE OPTION USING DHCP The Ethernet option for you GFC 7001E/EM uses Dynamic Host Configuration Protocol (DHCP) to configure its interface with your LAN automatically. Thi...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 167 8.4.3. MANUALLY CONFIGURING THE NETWORK IP ADDRESSES There are several circumstances when you may need to configure the interface settings of the analyzer’s Ethernet card manually. The INET submenu may also b...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 168 SAMPLE RANGE=50.0 PPM CO= XX.XX <TST TST> CAL SETUP SETUP X.X COMMUNICATIONS MENU ID ADDR INET EXIT SETUP X.X ENTER PASSWORD:818 8 1 8 ENTR EXIT SETUP X.X DHCP:ON <SET SET> EDIT EXIT SETUP X.X DHC...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 169 STEP 2 : Configure the INSTRUMENT IP , GATEWAY IP and SUBNET MASK addresses by pressing: KEY FUNCTION [0] Press this key to cycle through the range of numerals and available characters (“ 0 – 9” & “ . ” )...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 170 8.4.4. CHANGING THE ANALYZER’S HOSTNAME The HOSTNAME is the name by which the analyzer appears on your network.  The default name for all Teledyne’s GFC 7001E Analyzers is GFC 7001E .  The default name for ...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 171 8.5. MODBUS SETUP The following set of instructions assumes that the user is familiar with MODBUS communications, and provides minimal information to get started. For additional instruction, please refer to t...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 172 Example Read/Write Definition window: Example Connection Setup window: Example MODBUS Poll window: 8.5.1. REMOTE ACCESS BY MODEM The GFC 7001E/EM can be connected to a modem for remote access. This requires a...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 173 Once this is completed, the appropriate setup command line for your modem can be entered into the analyzer. The default setting for this feature is: AT Y0 &D0 &H0 &I0 S0=2 &B0 &N6 &M0 ...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 174 To initialize the modem press:

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 175 8.6. USING THE GFC 7001E/EM WITH A HESSEN PROTOCOL NETWORK 8.6.1. GENERAL OVERVIEW OF HESSEN PROTOCOL The Hessen protocol is a multidrop protocol, in which several remote instruments are connected via a commo...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 176 8.6.3. ACTIVATING HESSEN PROTOCOL Once the COMM port has been properly configured, the next step in configuring the GFC 7001E/EM to operate over a Hessen protocol network is to activate the Hessen mode for CO...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 177 8.6.4. SELECTING A HESSEN PROTOCOL TYPE Currently there are two versions of Hessen Protocol in use. The original implementation, referred to as TYPE 1 , and a more recently released version, TYPE 2 that has m...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 178 8.6.5. SETTING THE HESSEN PROTOCOL RESPONSE MODE The Teledyne’s implementation of Hessen Protocol allows the user to choose one of several different modes of response for the analyzer. Table 8-7: Teledyne’s H...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 179 8.6.6. HESSEN PROTOCOL GAS LIST ENTRIES 8.6.6.1. Gas List Entry Format and Definitions The GFC 7001E/EM Analyzer keeps a list of available gas types. Each entry in this list is of the following format. [GAS T...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 180 8.6.6.2. Editing or Adding HESSEN Gas List Entries To add or edit an entry to the Hessen Gas List, press:

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 181 8.6.6.3. Deleting HESSEN Gas List Entries To delete an entry from the Hessen Gas list, press:

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 182 8.6.7. SETTING HESSEN PROTOCOL STATUS FLAGS Teledyne’s implementation of Hessen protocols includes a set of status bits that the instrument includes in responses to inform the host computer of its condition. ...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 183 To assign or reset the status flag bit assignments, press: <TST TST> CAL deletes the character currently inside the cursor brackets. Press the key repeatedly to cycle through the available character set...

Remote Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 184 8.7. APICOM REMOTE CONTROL PROGRAM APICOM is an easy-to-use, yet powerful interface program that allows the user to access and control any of Teledyne’s main line of ambient and stack-gas instruments from a r...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 185 9. CALIBRATION PROCEDURES This section contains a variety of information regarding the various methods for calibrating a GFC 7001E/EM as well as other supporting information. For information on EPA prot...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 186 Contact your regional EPA or other appropriate governing agency for more detailed recommendations. 9.1. BEFORE CALIBRATION The calibration procedures in this section assume that the range mode, analog r...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 187 9.1.2.2. Span Gas Span Gas is a gas specifically mixed to match the chemical composition of the type of gas being measured at near full scale of the desired measurement range. It is recommended that the...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 188 9.2. MANUAL CALIBRATION CHECKS AND CALIBRATION OF THE GFC 7001E/EM ANALYZER IN ITS BASE CONFIGURATION ZERO/SPAN CALIBRATION CHECKS VS. ZERO/SPAN CALIBRATION Pressing the ENTR key during the following pr...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 190 9.2.2. PERFORMING A BASIC MANUAL CALIBRATION CHECK NOTE If the ZERO or SPAN keys are not displayed, the measurement made during is out of the allowable range allowed for a reliable calibration. See Sect...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 191 9.2.3. PERFORMING A BASIC MANUAL CALIBRATION The following section describes the basic method for manually calibrating the GFC 7001E/EM. If the analyzer’s reporting range is set for the AUTO range mode,...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 192 9.2.3.2. Zero/Span Point Calibration Procedure

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 193 9.3. MANUAL CALIBRATION WITH ZERO/SPAN VALVES There are a variety of valve options available on the GFC 7001E/EM for handling calibration gases (see Section 5.6 for descriptions of each). Generally perf...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 194 Figure 9-5: Pneumatic Connections – Option 51B: Zero/Span Calibration Valves Figure 9-6: Pneumatic Connections – Option 51C: Zero/Span Calibration Valves

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 195 9.3.2. MANUAL CALIBRATION CHECKS WITH VALVE OPTIONS INSTALLED

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 196 9.3.3. MANUAL CALIBRATION USING VALVE OPTIONS The following section describes the basic method for manually calibrating the GFC 7001E/EM Analyzer. If the analyzer’s reporting range is set for the DUAL o...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 198 9.3.3.3. Use of Zero/Span Valve with Remote Contact Closure Contact closures for controlling calibration and calibration checks are located on the rear panel CONTROL IN connector. Instructions for setup...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 199 For each mode, there are seven parameters that control operational details of the SEQUENCE (see Table 9-3). Table 9-3: AutoCal Attribute Setup Parameters ATTRIBUTE ACTION TIMER ENABLED Turns on the Sequ...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 203 EXIT returns to the SETUP Menu. SETUP X.X DURATION:15.0 MINUTES <SET SET> EDIT EXIT SETUP X.X DURATION 15.0MINUTES 3 0 .0 ENTR EXIT SETUP X.X DURATION:30.0 MINUTES <SET SET> EDIT EXIT Toggle...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 204 9.5. CO CALIBRATION QUALITY 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 ...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 205 9.6. CALIBRATION OF THE GFC 7001E/EM’S ELECTRONIC SUBSYSTEMS 9.6.1. DARK CALIBRATION TEST The dark calibration test interrupts the signal path between the IR photo-detector and the remainder of the sync...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 206 9.6.2. PRESSURE CALIBRATION A sensor at the exit of the sample chamber continuously measures the pressure of the sample gas. This data is used to compensate the final CO concentration calculation for ch...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 207 9.6.3. 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 COMM ports to match the actual fl...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 208 9.6.4. ELECTRICAL TEST CALIBRATION To run the Electrical Test, see Section 13.5.6.2. For Electrical Test calibration the 929 password must be used:

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 209 9.7. CALIBRATION OF OPTIONAL SENSORS 9.7.1. O 2 SENSOR CALIBRATION PROCEDURE 9.7.1.1. O 2 Calibration Setup The pneumatic connections for calibrating are as follows: Figure 9-7: O 2 Sensor Calibration S...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 210 9.7.1.2. Set O 2 Span Gas Concentration Set the expected O 2 span gas concentration. This should be equal to the percent concentration of the O 2 span gas of the selected reporting range (default factor...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 211 9.7.1.3. Activate O 2 Sensor Stability Function To change the stability test function from CO concentration to the O 2 sensor output, press: NOTE Use the same procedure to reset the STB test function to...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 212 9.7.1.4. O 2 ZERO/SPAN CALIBRATION To perform the zero/span calibration procedure:

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 213 9.7.2. CO 2 SENSOR CALIBRATION PROCEDURE 9.7.2.1. CO 2 Calibration Setup The pneumatic connections for calibrating are as follows Figure 9-8: CO 2 Sensor Calibration Set Up CO 2 SENSOR ZERO GAS: Teledyn...

Calibration Procedures Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 214 9.7.2.3. Activate CO 2 Sensor Stability Function To change the stability test function from CO concentration to the CO 2 sensor output, press: NOTE Use the same procedure to reset the STB test function ...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 217 10. EPA CALIBRATION PROTOCOL 10.1. CALIBRATION REQUIREMENTS If the GFC 7001E is to be used for EPA SLAMS monitoring, it must be calibrated in accordance with the instructions in this section. The USEP...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 218 5. If the instrument will be used on more than one range, it should be calibrated separately on each applicable range. 6. Calibration documentation should be maintained with each analyzer and also in ...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 219 Table 10-1: Matrix for Calibration Equipment & Supplies EQUIPMENT & SUPPLIES SPECIFICATION REFERENCE ACTION IF REQUIREMENTS ARE NOT MET Recorder Compatible with output signal of analyzer; min....

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 220 10.1.4. CALIBRATION FREQUENCY To ensure accurate measurements of the CO concentrations, calibrate the analyzer at the time of installation, and recalibrate it:  No later than three months after the m...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 221 Table 10-3: Definition of Level 1 and Level 2 Zero and Span Checks (Q.A. Handbook 1 Vol II, Part1, Section 12.3 & 12.4) LEVEL 1 ZERO AND SPAN CALIBRATION A Level 1 zero and span calibration is a s...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 222 Refer to the Troubleshooting and Repair (see Section 13) of this manual if the instrument is not within the allowed variations. 10.2.1. ZERO/SPAN CHECK PROCEDURES The Zero and Span calibration can be ...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 223  Alternate units, make sure ppm units are selected for EPA monitoring. See Section 6.6.4. The analyzer should be calibrated on the same range used for monitoring. 10.3.1. PRECISION CALIBRATION PROCED...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 224 10.4.3. SYSTEM AUDIT/VALIDATION A system audit is an on-site inspection and review of the quality assurance activities used for the total measurement system (sample collection, sample analysis, data p...

EPA Calibration Protocol Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 226 10.6. REFERENCES 1 Quality Assurance Handbook for Air Pollution Measurement Systems Volume II: Part 1 - Ambient Air Quality Monitoring Program Quality System Development - EPA-454/R-98-004 - August 19...

Part III Technical Information Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 227 PART III – TECHNICAL INFORMATION

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 229 11. THEORY OF OPERATION The GFC 7001E/EM Gas Filter Correlation Carbon monoxide Analyzer is a microprocessor-controlled analyzer that determines the concentration of carbon monoxide (CO) in a sample gas dr...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 230 Lengthening the absorption path is accomplished partly by making the physical dimension of the reaction cell longer, but primarily by adding extra passes back and forth along the length of the chamber. Tab...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 231 11.2.1.1. The GFC Wheel A GFC Wheel is a metallic wheel into which two chambers are carved. The chambers are sealed on both sides with material transparent to 4.7 µm IR radiation creating two airtight cavi...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 232 11.2.1.2. The Measure Reference Ratio The GFC 7001E/EM determines the amount of CO in the sample chamber by computing the ratio between the peak of the measurement pulse ( CO MEAS ) and the peak of the ref...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 233 Interference and Signal to Noise Rejection: If an interfering gas, such as H 2 O vapor is introduced into the sample chamber, the spectrum of the IR beam is changed in a way that is identical for both the ...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 234 11.3. PNEUMATIC OPERATION CAUTION G ENERAL S AFETY H AZARD It is important that the sample airflow system is both leak tight and not pressurized over ambient pressure. Regular leak checks should be perform...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 235 11.4. FLOW RATE CONTROL To maintain a constant flow rate of the sample gas through the instrument, the GFC 7001E/EM uses a special flow control assembly located in the exhaust gas line just before the pump...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 236 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 the gas molecules move at the s...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 237 11.5. ELECTRONIC OPERATION 11.5.1. OVERVIEW Figure 11-9 shows a block diagram of the major electronic components of the GFC 7001E/EM. At the heart of the analyzer is a microcomputer/CPU that controls vario...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 238 Analog Outputs Sample Flow & Pressure Sensors Status Outputs: 1 – 6 Control Inputs: 1 – 8 PC 104 CPU Card Disk On Chip Flash Chip RS–232 or RS-485 RS – 232 Power-Up Circuit Internal Digital I/O I 2 C B...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 239 11.5.2. CENTRAL PROCESSING UNIT (CPU) The CPU for the E-Series instruments is a low power (5 VDC, 360mA MAX), high performance, Vortex86SX-based microcomputer running MS-DOS; its operation and assembly are...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 240 11.5.3. OPTICAL BENCH & GFC WHEEL Electronically, in the case of the optical bench for the GFC 7001E Analyzer, GFC Wheel and associated components do more than simply measure the amount of CO present i...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 241 IR Detection Ring Segment Sensor Ring M/R Sensor Ring KEY: Detection Beam shining through MEASUREMENT side of GFC Wheel Detection Beam shining through REFERENCE side of GFC Wheel Figure 11-10: GFC Light Ma...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 242 11.5.3.4. IR Photo-Detector The IR beam is converted into an electrical signal by a cooled solid-state photo-conductive detector. The detector is composed of a narrow-band optical filter, a piece of lead-s...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 243 Thermo-Electric Cooler Control Circuit Sample & Hold Circuits (x4) Amplifiers Dark Switch Photo- detector Pre Amp Phase Lock Loop E-Test Generator Compact Programmable Logic Device M/R Sensor Segment S...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 244 Timing for activating the Sample and Hold Circuits is provided by a Phase Lock Loop (PLL) circuit. Using the segment sensor output as a reference signal the PLL generates clock signal at ten times that fre...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 245 11.5.4.6. Electric Test Switch When active, this circuit generates a specific waveform intended to simulate the function of the IR photo-detector but with a known set of value which is substituted for the ...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 246 11.5.5.5. Status LED’s Eight LED’s are located on the analyzer’s relay board to show the current status on the various control functions performed by the relay board. They are listed on Table 11-4. Table 1...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 247 11.5.6. MOTHERBOARD This printed circuit assembly provides a multitude of functions including, A/D conversion, digital input/output, PC-104 to I 2 C translation, temperature sensor signal processing and is...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 248 BENCH TEMPERATURE SENSOR This thermistor is attached to the sample chamber housing. It reports the current temperature of the chamber housing to the CPU as part of the bench heater control loop. WHEEL TEMP...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 249 11.5.7. I 2 C DATA BUS An I 2 C data bus is used to communicate data and commands between the CPU and the keyboard/display interface and the relay board. I 2 C is a two-wire, clocked, digital serial I/O bu...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 250 Figure 11-15: Power Distribution Block Diagram

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 251 11.5.9. COMMUNICATION INTERFACE The analyzer has several ways to communicate to the outside world. Users can input data and receive information directly via the front panel keypad and display. Direct commu...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 252 11.5.10. FRONT PANEL INTERFACE The most commonly used method for communicating with the GFC 7001E/EM Analyzer is via the instrument’s front panel which includes a set of three status LED’s, a vacuum flores...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 253 11.5.10.3. Display The main display of the analyzer is a vacuum florescent display with two lines of 40 text characters each. Information is organized in the following manner (see Figure 11-17):  Mode Fie...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 254 KEYPAD DECODER Each key on the front panel communicates with a decoder IC via a separate analog line. When a key is depressed the decoder chip notices the change of state of the associated signal; latches ...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 255 I 2 C INTERFACE CHIP This IC performs several functions:  Using a dedicated digital status bit, it sends an interrupt signal alerting the CPU that new data from the keyboard is ready to send.  Upon ackno...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 256 11.5.11. SOFTWARE OPERATION The GFC 7001E/EM Gas Filter Correlation Carbon Monoxide Analyzer has at its heart a high performance, 386-based microcomputer running MS-DOS. Inside the DOS shell, special softw...

Theory of Operation Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 257 11.5.13. CALIBRATION - SLOPE AND OFFSET Calibration of the analyzer is performed exclusively in software. During instrument calibration (see Section 9) the user enters expected values for zero and span via...

Maintenance Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 259 12. MAINTENANCE SCHEDULE & PROCEDURES Predictive diagnostic functions, including data acquisition records, failure warnings and test functions built into the analyzer, allow the user to determine when repairs ...

Maintenance Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 263 12.2. PREDICTING FAILURES USING THE TEST FUNCTIONS The Test Functions can be used to predict failures by looking at how their values change over time. Initially it may be useful to compare the state of these Test ...

Maintenance Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 264 12.3. MAINTENANCE PROCEDURES The following procedures are to be performed periodically as part of the standard maintenance of the GFC 7001E. 12.3.1. REPLACING THE SAMPLE PARTICULATE FILTER The particulate filter s...

Maintenance Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 265 12.3.3. PERFORMING LEAK CHECKS Leaks are the most common cause of analyzer malfunction; Section 12.3.3.1 presents a simple leak check procedure. Section 12.3.3.2 details a more thorough procedure. 12.3.3.1. Vacuum...

Maintenance Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 266 12.3.4. PERFORMING A SAMPLE FLOW CHECK CAUTION G ENERAL S AFETY H AZARD Always use a separate calibrated flow meter capable of measuring flows in the 0 – 1000 cm 3 /min range to measure the gas flow rate though th...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 267 13. TROUBLESHOOTING & REPAIR This contains a variety of methods for identifying the source of performance problems with the analyzer. Also included in this are procedures that are used in repa...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 268 13.1.1. FAULT DIAGNOSIS WITH WARNING MESSAGES The most common and/or serious instrument failures will result in a warning message being displayed on the front panel. Table 13-1 lists warning messa...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 270 Table 13-1: Warning Messages – Indicated Failures (cont.) WARNING MESSAGE FAULT CONDITION POSSIBLE CAUSES SAMPLE TEMP WARN Sample temperature is < 10 o C or > 100 o C. Ambient temperature ou...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 273 13.1.3. DIAG  SIGNAL I/O: USING THE DIAGNOSTIC SIGNAL I/O FUNCTION The signal I/O diagnostic mode allows access to the digital and analog I/O in the analyzer. Some of the digital signals can be c...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 274 See Appendix A-4 for a complete list of the parameters available for review under this menu 13.1.4. INTERNAL ELECTRONIC STATUS LED’S Several LED’s are located inside the instrument to assist in de...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 275 13.1.4.2. Sync Demodulator Status LED’s Two LED’s located on the Sync/Demod Board and are there to make it obvious that the GFC Wheel is spinning and the synchronization signals are present: Table...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 276 13.1.4.3. Relay Board Status LED’s There are eight LED’s located on the Relay Board. The most important of which is D1, which indicates the health of the I 2 C bus. If D1 is blinking the other fau...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 277 Table 13-5: Relay Board Status LED Failure Indications LED FUNCTION SIGNAL I/O PARAMETER DIAGNOSTIC TECHNIQUE ACTIVATED BY VIEW RESULT D2 Yellow Wheel Heater WHEEL_HEATER WHEEL_TEMP Voltage displa...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 278 13.2. GAS FLOW PROBLEMS When troubleshooting flow problems, it is a good idea to first confirm that the actual flow and not the analyzer’s flow sensor and software are in error, or the flow meter ...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 281 Figure 13-11: GFC 7001E/EM – Internal Pneumatics with O 2 Sensor Option 65 Figure 13-12: GFC 7001E/EM – Internal Pneumatics with CO 2 Sensor Option 66

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 282 13.2.2. TYPICAL SAMPLE GAS FLOW PROBLEMS 13.2.2.1. Flow is Zero The unit displays a SAMPLE FLOW warning message on the front panel display or the SAMPLE FLOW test function reports a zero or very l...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 283 13.2.2.4. Displayed Flow = “Warnings” This warning means that there is inadequate gas flow. There are four conditions that might cause this: 1. A leak upstream or downstream of the flow sensor 2. ...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 284 13.3.2. NON-REPEATABLE ZERO AND SPAN As stated earlier, leaks both in the GFC 7001E/EM and in the external system are a common source of unstable and non-repeatable readings. 1. Check for leaks in...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 285 13.4. OTHER PERFORMANCE PROBLEMS Dynamic problems (i.e. problems which only manifest themselves when the analyzer is monitoring sample gas) can be the most difficult and time consuming to isolate ...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 286  At room temperature it should have approximately 30K Ohms resistance; near the 48 o C set point it should have ~12K ohms. 13.4.1.3. GFC Wheel Temperature Like the bench heater above there are th...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 287 13.4.2. EXCESSIVE NOISE Noise is continuously monitored in the TEST functions as the STABIL reading and only becomes meaningful after sampling a constant gas concentration for at least 10 minutes....

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 288 13.5. SUBSYSTEM CHECKOUT The preceding of this manual discussed a variety of methods for identifying possible sources of failures or performance problems within the analyzer. In most cases this in...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 289 A voltmeter should be used to verify that the DC voltages are correct per the values in the table below, and an oscilloscope, in AC mode, with band limiting turned on, can be used to evaluate if t...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 290 13.5.5. RELAY BOARD The relay board PCA (P/N 04135) can be most easily checked by observing the condition of the its status LED’s on the relay board, as described in Section 13.1.4.3, and the asso...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 291 13.5.6. SENSOR ASSEMBLY 13.5.6.1. Sync/Demodulator Assembly To verify that the Sync/Demodulator Assembly is working, follow the procedure below: 1. Verify that D1 and D2 are flashing.  If not che...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 292 13.5.6.3. Opto Pickup Assembly Operation of the opto pickup PCA (P/N 04088) can be verified with a voltmeter. Measure the AC and DC voltage between digital ground on the relay board, or keyboard a...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 293 13.5.6.6. Pressure/Flow Sensor Assembly The pressure/flow sensor PCA, located on the top of the absorption bench, can be checked with a voltmeter using the following procedure which, assumes that ...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 294 13.5.7. MOTHERBOARD 13.5.7.1. A/D Functions The simplest method to check the operation of the A-to-D converter on the motherboard is to use the Signal I/O function under the DIAG menu to check the...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 295 13.5.7.3. Analog Outputs: Current Loop To verify that the analog outputs with the optional current mode output are working properly, connect a 250 ohm resistor across the outputs and use a voltmet...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 296 13.5.7.4. Status Outputs The procedure below can be used to test the Status outputs: 1. Connect a jumper between the “D“ pin and the “  ” pin on the status output connector. 2. Connect a 1000 ohm...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 297 13.5.7.5. Control Inputs – Remote Zero, Span The control input bits can be tested by the following procedure: 1. Connect a jumper from the +5 pin on the Status connector to the U on the Control In...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 298 13.5.9.2. Troubleshooting Analyzer/Modem or Terminal Operation These are the general steps for troubleshooting problems with a modem connected to a Teledyne analyzer. 1. Check cables for proper co...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 299 13.6. REPAIR PROCEDURES This contains procedures that might need to be performed on rare occasions when a major component of the analyzer requires repair or replacement. 13.6.1. REPAIRING SAMPLE F...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 300 13.6.2. REMOVING/REPLACING THE GFC WHEEL When removing or replacing the GFC Wheel it is important to perform the disassembly in the following order to avoid damaging the components: 1. Turn off th...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 301 7. Carefully remove the opto-pickup printed circuit assembly. Opto-Pickup Figure 13-16: Removing the Opto-Pickup Assembly 8. Remove the four (4) screws holding the GFC Wheel motor/heat sink assemb...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 302 10. Remove the one (1) screw fastening the GFC Wheel/mask assembly to the GFC motor hub. 11 12 Figure 13-18: Removing the GFC Wheel 11. Remove the GFC Wheel/mask assembly. 12. Follow the previous ...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 303 13.6.3.2. Adjusting the Sync/Demodulator, Circuit Gain To adjust the sync/demodulator circuit gain: 1. Make sure that the analyzer is turned on and warmed up. 2. Set the analyzer display to show t...

Troubleshooting & Repair Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 304 13.6.4. DISK-ON-MODULE REPLACEMENT PROCEDURE Replacing the Disk-on-Module (DOM) will cause loss of all DAS data; it also may cause loss of some instrument configuration parameters unless the repla...

ESD Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 305 14. A PRIMER ON ELECTRO-STATIC DISCHARGE Teledyne 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 reli...

ESD Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 306 14.2. 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 devi...

ESD Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 307 14.3. 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 disch...

ESD Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 308 For technicians that work in the field, special lightweight and portable anti-ESD kits are available from most suppliers of ESD protection gear. These include everything needed to create a temporary anti-ESD work area any...

ESD Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 309 14.4.2. BASIC ANTI-ESD PROCEDURES FOR ANALYZER REPAIR AND MAINTENANCE 14.4.2.1. Working at the Instrument Rack When working on the analyzer while it is in the instrument rack and plugged into a properly grounded power sup...

ESD Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 310 14.4.2.3. Transferring Components from Rack to Bench and Back When transferring a sensitive device from an installed Teledyne analyzer to an anti-ESD workbench or back: 1. Follow the instructions listed above for working ...

ESD Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 311 14.4.2.5. Packing Components for Return to Teledyne’s Customer Service Always pack electronic components and assemblies to be sent to Teledyne’s Customer Service in anti-ESD bins, tubes or bags. CAUTION ESD Hazard  DO NO...

Index Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 313 Index 6   60 Hz, 38 A   Absorption Path Lengths, 230 AC Power 60 Hz, 38 address. See company address, See company address AIN, 146 ALRM , 90, 147 ANALOG CAL WARNING , 49, 88 Analog Inputs, 146 Analog Outputs, 39, 63, 90...

Index Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 314 CO 2 Sensor, 40, 42, 43, 56, 77, 78, 87, 182, 187, 213, 214 Calibration Procedure, 215 Setup, 213 Span Gas Concentration, 213 Troubleshoting, 298 CO 2 Sensor Option Pneumatic Set Up for Calibration, 213 CO 2 SLOPE, 87 C...

Index Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 315 Analog Outputs, 39, 98 Current Loop, 139 Voltage Ranges, 137 Control InputS, 41 Ethernet, 42, 50, 74, 75, 160, 164 Ethernet, 23, 26 Modem, 172 Multidrop, 42 Serial/COMM Ports, 42, 150 Status Outputs, 39 Electrical Test,...

Index Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 316 Channels, 108, 110, 124 CALDAT, 109 CONC, 109 PNUNTC, 109 Compact Data Report, 122 HOLD OFF, 48, 108, 121, 125 Holdoff Period, 57 Number of Records, 108, 119 Parameters, 108, 115, 124 CONC, 112 NXCNC1, 112 PMTDET, 108 P...

Index Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 317 O   O 2 , 27, 39, 40, 43, 56, 75, 76, 85, 87, 88, 98, 125, 129, 144, 179, 182, 185, 187, 204, 209, 210, 211, 235, 278 O 2 CELL TEMP, 87 O 2 CELL TEMP WARNING, 88 O 2 OFFSET, 87 O 2 sensor, 39, 40, 43, 56, 76, 87, 88, 98...

Index Model GFC7001E Carbon Dioxide Analyzer Teledyne Analytical Instruments 319 PHT DRIVE, 87, 262, 263, 272 PRES, 87, 262, 263, 265, 271 RANGE, 87, 179, 271 RANGE1, 87, 179 AUTO, 103 RANGE2, 87, 179 AUTO, 103 SAMPLE FL, 87, 271 SAMPLE TEMP, 87, 88, 182, 271, 285 SLOPE, 87, 188, 262, 263, 272 STABI...