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Teledyne gfc 7000ta operation manual Teledyne Analytical Instruments 216

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Theory of Operation

Model GFC7000TA Carbon Dioxide Analyzer

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Teledyne gfc 7000ta operation manual Teledyne Analytical Instruments 216

Contents

Model GFC 7000TA Carbon Dioxide Analyzer Model GFC7000TA Carbon Dioxide Analyzer Copyright 2013 Teledyne Analytical InstrumentsThis page intentionally left blank Page Safety Messages Safety Messages Model GFC7000TA Carbon Dioxide AnalyzerConsignes DE Sécurité Mise EN GardeTeledyne Analytical Instruments Vii Page 07272 05233 06879 Manual Information Model GFC7000TA Carbon Dioxide AnalyzerRev Name/DescriptionThis page intentionally left blank Table of Contents Setup Mode Calibration ProceduresMaintenance Schedule & Procedures Troubleshooting & Repair ProceduresTheory of Operation Appendix D Electronic Schematics Primer on ELECTRO-STATIC Discharge114 103104 115198 194195 199123 118120 124Teledyne Analytical Instruments Xviii Table of Contents FeaturesUsing This Manual SpecificationsInstrument Maintenance FAQCalibration Procedures TroubleshootingIntroduction Model GFC7000TA Carbon Dioxide Analyzer Page Model GFC 7000TA Basic Unit Specifications SpecificationsSpecifications Model GFC7000TA Carbon Dioxide Analyzer GFC 7000TA Parameter GFC 7000TA SpecificationSpecifications Model GFC7000TA Carbon Dioxide Analyzer CE Mark Compliance GFC 7000TM Parameter GFC 7000TM SpecificationSafety Compliance Emissions CompliancePage Unpacking and Initial Set Up Getting Started Model GFC7000TA Carbon Dioxide AnalyzerSides of the instrument Area Minimum Required ClearanceFront Panel Front Panel LayoutGetting Started Model GFC7000TA Carbon Dioxide Analyzer Display and Touchscreen Control Description Description/Function FieldDisplay/Touch Control Screen Mapped to Menu Charts Rear Panel Provides a description of each component on the rear panelPurge Sample Exhaust Vent Span Pressure Span IZS RX TX COM Component Cooling fan AC power connector Model/specs labelDCE DTE Status Analog OUT Control Alarm Ethernet USB RS-232Internal Layout Internal Chassis LayoutOptical Bench Layout Electrical Connections GFC 7000TA Internal Gas FlowPower Connection Connecting Analog Inputs OptionPIN Description DAS Parameter Connecting Analog OutputsAnalog Input Pin Assignments Analog input #PIN Analog Output VDC Signal Madc SignalGFC 7000TA Analog Output Pin Outs Connecting the Status Outputs 3 4 5 6 7 8 DStatus Output Pin-outs Connecting the Control Inputs Control Input Pin-outsInput # Status On Condition Definition Connecting to a Personal Computer PC Connecting the Communications InterfacesConnecting to a LAN or the Internet Connecting to a Multidrop NetworkBasic Pneumatic Connections Rear Panel Pneumatic ConnectionsGetting Started Model GFC7000TA Carbon Dioxide Analyzer Getting Started Model GFC7000TA Carbon Dioxide Analyzer Getting Started Model GFC7000TA Carbon Dioxide Analyzer Connections with Internal Valve Options Installed Vent Setting the Internal Purge Air Pressure 15 Example of Pneumatic Set up for Multipoint CalibrationInitial Operation StartupWarm Up Front Panel Display During System Warm-UpName Color Behavior Significance IR source may be faulty Possible Warning Messages at Start-UpSetup Functional CheckInitial Calibration Procedure Set the Analog Output RangeSet the expected CO2 span gas concentration ConcPerform the Zero/Span Calibration Procedure STABIL=XXX.X PPM1.2. O2 Calibration Method Initial O2 Sensor Calibration Procedure1.1. O2 Calibration Setup Pneumatic connections for calibrating are as followsActivate O2 Sensor Stability Function Previous displayTo Sample O2 Zero/Span Calibration perform by pressing Model GFC 7000TA Analyzer is now ready for operationThank YOU Frequently Asked Questions FAQ’sGlossary Term Description/DefinitionHydrogen sulfide Nitric oxide Diagnostics, the diagnostic settings of the analyzerNitric acid Nitrogen dioxideGas Filter Correlation Poly Vinyl Chloride, a polymer used for downstream tubingVariables, the variable settings of the instrument Protocol for Ethernet devicesTthis page intentionally left blank Rack Mount Kits Options 20A, 20B, 21 Current Loop Analog Outputs OptionOption Number Description Current Loop Option Installed on the Motherboard Expendable Kits Options 42C, 42D Option Number Description OPT 42COPT 42D Calibration Valves Options Ambient Zero/Pressurized Span ValveAmbient Zero/Pressurized Span Valve Operating States Ambient Zero/Ambient Span Valve Ambient Zero/Ambient Span Valve Operating StatesInternal Pneumatic Flow Ambient Zero/Ambient Span Communications Cables FAQModel GFC7000TA Carbon Dioxide AnalyzerCommunication Options RS-232 Multidrop OptionOxygen Sensor OPT Theory of OperationParamagnetic measurement of O2 Operation within the GFC 7000TA Analyzer Pneumatic Operation of the O2 SensorGFC 7000TA Internal Pneumatics with O2 Sensor Option Second Language Switch Special FeaturesMaintenance Mode Switch Dilution Ratio OptionThis page intentionally left blank Overview of Operating modes Front Panel DisplaySample Mode Analyzer Operating modesMeaning Test Functions Test Functions DefinedParameter Display Units Meaning Definitions Refer toFor These testIR source may be faulty List of Warning MessagesCalibration Mode To view and clear warning messagesPrimary Setup Mode Features and Functions Secondary Setup Mode Features and FunctionsSetup  CFG Viewing the Analyzer’s Configuration Information Setup  Acal Automatic CalibrationLED State Setup  DAS Using the Data Acquisition System DASFront Panel Sample LED Status Indicators for DAS OFFDAS Structure DAS ChannelsDAS Data Channel Properties DAS Data Parameter Functions Default DAS Channels Default DAS Channels Setup DAS Configuration Limits Touchscreen Button Functions Conc ATIMER, 4 Translates to the following configuration Channel NoTrigger Events A-Z, space ’ ~ ! # $ % & * = + \ , . / ?From the Data Acquisition menu To configure a specific data parameter, press From the Edit Data Parameter Menu see previous sectionReport Periods in Progress When Instrument is Powered OFF From the Data Acquisition menu Press SET key until… Compact Report Starting DateFrom the Data Acquisition menu Press SET key until… Remote DAS Configuration Apicom User Interface for DAS ConfigurationSetup  Rnge Analog Output Reporting Range Configuration Analog Output Connector Pin OutPhysical Range versus Analog Output Reporting Ranges Reporting Range ModesTo select the Analog Output Range Type press Sngl Dual AutoSingle Range Mode Sngl Dual Range Mode Dual Range Control MenuAuto Range Mode Auto Range Units To change the concentration unitsExit returns To the main menu Primary Setup Menu Dilution RatioSetup  Pass Password Feature Password LevelsPassword Level Menu Access Allowed Enter Setup Pass Setup  CLK Setting the Internal Time-of-Day Clock Teledyne Analytical Instruments 100 Setup  MORE Comm Using the Analyzer’s Communication Ports Analyzer IDCOM Port Default Settings Teledyne Analytical Instruments 103 Teledyne Analytical Instruments 104 RS-485 Configuration of COM2 DTE and DCE CommunicationCOM Port Communication Modes 10 Com Port Communication ModesMODE1 Description Teledyne Analytical Instruments 107 Remote Access via the Ethernet Configuring the Ethernet Interface using Dhcp11 Ethernet Status Indicators IP Address Property Default State Description DhcpInstrument Gateway IPTo view the above properties, press Teledyne Analytical Instruments 111 Teledyne Analytical Instruments 112 13 Internet Configuration Touchscreen Functions Button FunctionMultidrop RS-232 Set Up Multidrop/LVDS PCA Seated on CPUTeledyne Analytical Instruments 115 COM Port Baud Rate To select the baud rate of one of the COM Ports, pressCOM Port Testing Setup  More  Vars Internal Variables Vars Teledyne Analytical Instruments 119 Setup  More  Diag Using the Diagnostics Functions 15 GFC 7000TA Diagnostic Diag FunctionsDiagnostic Function and Meaning Accessing the Diagnostic Features Signal I/OTo access the Diag functions press the following buttons To enter the signal I/O test mode, press Analog Output Step Test16 Diag Analog I/O Functions Analog I/O ConfigurationTo begin the Analog Output Step Test press Sub Menu Function17 Analog Output Voltage Ranges Range Minimum Output Maximum OutputPIN Analog Voltage Current Output Signal 18 Analog Output Current Loop Range19 Analog Output Pin Assignments Analog Output Calibration Mode 10V Curr Entr ExitTeledyne Analytical Instruments 127 Teledyne Analytical Instruments 128 Manual Analog Output Calibration and Voltage Adjustment 20 Voltage Tolerances for Analog Output CalibrationVDC Teledyne Analytical Instruments 130 Current Loop Output Adjustment EditTeledyne Analytical Instruments 132 21 Current Loop Output Calibration with Resistor SETConfiguring Analog Inputs Option Channels Teledyne Analytical Instruments 135 Electric Test Repeat Pressing Next untiDark Calibration Test Repeat Pressing Next untilPressure Calibration Repeat Pressing Next untilSignal I / O Next Flow CalibrationTest Channel Output 22 Test Parameters Available for Analog Output A4Test Channel Zero Full Scale Setup MORE  Alrm Using the Gas Concentration Alarms 23 CO2 Concentration Alarm Default SettingsAlarm Status Limit SET Point ALM1 Remote Operation of the Analyzer Setting the Concentration Alarm LimitsRemote Operation Using the External Digital I/O Status OutputsStatus 24 Status Output Pin Assignments DC PowerPin assignments for the Status Outputs are Emitter BUSCAL Input Status Condition When Enabled External Zero25 Control Input Pin Assignments External Span26 Terminal Mode Software Commands Remote Operation Using the External Serial I/OHelp Commands in Terminal Mode Terminal Operating ModesData Types 27 Command TypesCommand Command Type Achieved by pressing the Enter button on a computerStatus Reporting Measurements, DAS reports, variable values, etcTeledyne Analytical Instruments 149 Teledyne Analytical Instruments 150 COM Port Password Security To initialize the modem pressApicom Remote Control Program Where N is any numeral between 0General Overview of Hessen Protocol Using the GFC 7000TA with a Hessen Protocol NetworkAdditional Communications Documentation 28 Serial Interface Documents29 RS-232 Communication Parameters for Hessen Protocol Selecting a Hessen Protocol Type To select a Hessen Protocol Type press30 Teledyne Instruments Hessen Protocol Response Modes Setting The Hessen Protocol Response ModeMode ID Mode Description CMD BCCHessen Protocol Gas ID To Select a Hessen response mode, press31 Default Hessen Status Bit Assignments Status Flag Name Default BIT AssignmentTo assign or reset the status flag bit assignments, press Instrument ID CodePage Before Calibration Zero Air and Span GasManual Calibration without Zero/Span Valves Calibration Gas TraceabilityData Recording Devices Step TWO Set the expected CO2 Span Gas concentration Step Three Perform the Zero/Span Calibration Procedure SpanManual Calibration Checks TST TST CALManual Calibration with Zero/Span Valves Pneumatic Connections Ambient Zero/Pressurized Span ValvesSample GAS Pneumatic Connections Ambient Zero/Ambient Span ValvesSample GAS Teledyne Analytical Instruments 169 Teledyne Analytical Instruments 170 Manual Calibration Checks with Zero/Span Valves Analyzer Enters Zero CAL Mode Zero/Span Calibration on Auto Range or Dual RangesUse of Zero/Span Valves with Remote Contact Closure AutoCal Attribute Setup ParametersAutomatic Zero/Span Cal/Check AutoCal Autocal ModesMode and Attribute Value Comment To program the Sequence NextCalibration Data Quality Evaluation Calibration QualityAutoCal with Auto or Dual Reporting Ranges Modes Selected Function Minimum Value Optimum Value Maximum Value SlopeTeledyne Analytical Instruments 177 Page Maintenance Schedule & Procedures Maintenance SchedulePage Action Maintenance Model GFC7000TA Carbon Dioxide AnalyzerGFC 7000TA Maintenance Schedule FreqMR Ratio StabilityCO2 Meas PresPredicting Failures Using the Test Functions Predictive uses for Test FunctionsMaintenance Procedures Replacing the Sample Particulate FilterVacuum Leak Check and Pump Check Rebuilding the Sample PumpPerforming Leak Checks Pressure Leak CheckCleaning the Optical Bench Cleaning Exterior Surfaces of the GFC 7000TAPerforming a Sample Flow Check Measurement Fundamentals Measurement MethodBeer’s Law Theory of Operation Model GFC7000TA Carbon Dioxide AnalyzerGas Filter Correlation GFC WheelMeasure Reference Ratio Measurement Fundamentals with GFC WheelInterference and Signal to Noise Rejection Is reducedIs Shifted Effects of Interfering Gas on CO2 Meas & CO2 REFTeledyne Analytical Instruments 192 Pneumatic Operation Sample Gas Flow Flow Rate ControlCritical Flow Orifice Teledyne Analytical Instruments 195 Pneumatic Sensors Purge Gas Pressure ControlParticulate Filter Sample Pressure SensorElectronic Operation OverviewSync CPU CardSensor DemodCPU Disk-On-Module DOMFlash Chip Temperature Control Optical Bench & GFC WheelIR Source 11 GFC Light Mask Sensor Segment SensorSynchronous Demodulator Sync/Demod Assembly IR Photo-DetectorOverview Signal Synchronization and Demodulation 13 GFC 7000TA Sync / Demod Block DiagramFour sample and hold circuits are LED Function Status OK Fault StatusSync/Demod Status LED’s Sync/Demod Status LED ActivityRelay Board Dark Calibration SwitchElectric Test Switch Heater ControlLED Color Function Status When LIT Status When Unlit Status LEDsRelay Board Status LED’s Mother Board 5.6. I2C Watch Dog CircuitryTo D Conversion Sensor Inputs Thermistor InterfaceAnalog Outputs Internal Digital I/OStatus Outputs Power up Circuit7. I2C Data Bus Control InputsPower Supply/ Circuit Breaker 16 Power Distribution Block DiagramFront Panel Touchscreen/Display Interface Lvds Transmitter BoardFront Panel Touchscreen/Display Interface PCA Windows CE Software OperationAdaptive Filter API FirmwareCalibration Slope and Offset Measurement AlgorithmTemperature and Pressure Compensation Internal Data Acquisition System DASTeledyne Analytical Instruments 216 General Troubleshooting Hints Troubleshooting Model GFC7000TA Carbon Dioxide AnalyzerInterpreting Warning Messages To view or clear the various warning messages press Viewing and Clearing Warning MessagesConc ALRM1 Conc ALRM2System Reset Fault Diagnosis with Test FunctionsFault Condition Possible Causes Message Sample Temp SourceTest Functions Indicated Failures Indicated FailuresUsing the Diagnostic Signal I/O Function Test Functions Slope OffsetCPU Status Indicator Internal Electronic Status LEDsLED Function Fault Status Indicated Failures Sync Demodulator Status LED’sSync/Demod Board Status Failure Indications I2C Status LED Failure Indications LED Function Fault Status Indicated FailuresRelay Board Status LEDs DC Voltage TestRelay Board Status LED Failure Indications Gas Flow Problems GFC 7000TA Internal Gas Flow Diagrams Sample ChamberTeledyne Analytical Instruments 230 Teledyne Analytical Instruments 231 Typical Sample Gas Flow Problems Flow is ZeroLow Flow High FlowDisplayed Flow = Poor or Stopped Flow of Purge Gas Actual Flow Does Not Match Displayed FlowSample Pump Calibration Problems MiscalibratedNon-Repeatable Zero and Span Inability to Span Touchscreen Span Button Not VisibleInability to Zero Touchscreen Zero Button Not Visible Box or Sample Temperature Other Performance ProblemsTemperature Problems Bench TemperatureGFC Wheel Temperature IR Photo-Detector TEC TemperatureExcessive Noise DC Power Test Point and Wiring Color Codes AC Mains ConfigurationDC Power Supply Name Test POINT# TP and Wire ColorTouchscreen Interface DC Power Supply Acceptable Levels10.5.3. I2C Bus LCD Display ModuleRelay Board Control Devices Sensor AssemblySync/Demodulator Assembly Function Control Socket DeviceOpto Pickup Board Nominal Output Frequencies Opto Pickup AssemblyGFC Wheel Drive Nominal Measured FrequencyPressure/Flow Sensor Assembly Motherboard10.5.8.1. A/D Functions Teledyne Analytical Instruments 246 Step Nominal Output Voltage Analog Outputs Current LoopFull Scale Output Voltage Output Range Nominal Output Values Step CurrentControl Inputs Remote Zero, Span 12 Status Outputs CheckGeneral RS-232 Troubleshooting RS-232 CommunicationsTeledyne Analytical Instruments 250 Repair Procedures Repairing Sample Flow Control Assembly11 Opening the GFC Wheel Housing Removing/Replacing the GFC WheelDisk-On-Module Replacement Procedure 12 Removing the GFC WheelTeledyne Analytical Instruments 254 How Static Charges are Created Static Generation Voltages for Typical ActivitiesMeans of Generation Damage Susceptibility Voltage How Electro-Static Charges Cause DamageSensitivity of Electronic Devices to Damage by ESD Device RangeCommon Myths About ESD Damage Basic Principles of Static ControlGeneral Rules Teledyne Analytical Instruments 258 Working at the Instrument Rack Working at an Anti-ESD Work BenchOpening Shipments from Teledyne Instruments Customer Service Transferring Components from Rack to Bench and BackTeledyne Analytical Instruments 261 Teledyne Analytical Instruments 262