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Teledyne gfc 7000ta operation manual Teledyne Analytical Instruments 230

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Troubleshooting

Model GFC7000TA Carbon Dioxide Analyzer

External CO2 Scrubber

SAMPLE GAS
INLET	Shutoff
	Shutoff	Sample / Cal
	Valve	Sample / Cal
		Valve
PRESSURE
SPAN INLET
VENT SPAN			CHAMBER	GFC Wheel Housing	GFC Motor Heat Sync
OUTLET
		Zero / Span
		Valve
IZS INLET

EXHAUST	PUMP		SAMPLE
GAS OUTLET
				Purge Gas Flow Control
	Sample Gas	Flow / Pressure	SAMPLE
	Sample Gas	Flow / Pressure	PRESSURE
	Flow Control	Sensor PCA	PRESSURE
	Flow Control	Sensor PCA	SENSOR

		CO2 FLOW
		SENSOR
PURGE GAS
INLET
		Purge Gas
		Pressure Control

Figure 10-7: Internal Pneumatic Flow – Ambient Zero/Pressurized Span Valves

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Teledyne gfc 7000ta operation manual Teledyne Analytical Instruments 230

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 Manual Information Model GFC7000TA Carbon Dioxide Analyzer Rev07272 05233 06879 Name/DescriptionThis page intentionally left blank Table of Contents Setup Mode Calibration ProceduresTheory of Operation Maintenance Schedule & ProceduresTroubleshooting & Repair Procedures Appendix D Electronic Schematics Primer on ELECTRO-STATIC Discharge103 104114 115194 195198 199118 120123 124Teledyne Analytical Instruments Xviii Features Using This ManualTable of Contents SpecificationsFAQ Calibration ProceduresInstrument Maintenance TroubleshootingIntroduction Model GFC7000TA Carbon Dioxide Analyzer Page Specifications Specifications Model GFC7000TA Carbon Dioxide AnalyzerModel GFC 7000TA Basic Unit Specifications GFC 7000TA Parameter GFC 7000TA SpecificationSpecifications Model GFC7000TA Carbon Dioxide Analyzer GFC 7000TM Parameter GFC 7000TM Specification Safety ComplianceCE Mark 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 panelComponent Cooling fan AC power connector Model/specs label DCE DTE Status Analog OUT Control Alarm Ethernet USBPurge Sample Exhaust Vent Span Pressure Span IZS RX TX COM RS-232Internal Layout Internal Chassis LayoutOptical Bench Layout Electrical Connections GFC 7000TA Internal Gas FlowPower Connection Connecting Analog Inputs OptionConnecting Analog Outputs Analog Input Pin AssignmentsPIN Description DAS Parameter Analog input #GFC 7000TA Analog Output Pin Outs PIN Analog Output VDC SignalMadc Signal Status Output Pin-outs Connecting the Status Outputs3 4 5 6 7 8 D Input # Status On Condition Definition Connecting the Control InputsControl Input Pin-outs Connecting the Communications Interfaces Connecting to a LAN or the InternetConnecting to a Personal Computer PC 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 StartupName Color Behavior Significance Warm UpFront Panel Display During System Warm-Up 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 PPMInitial O2 Sensor Calibration Procedure 1.1. O2 Calibration Setup1.2. O2 Calibration Method 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/DefinitionDiagnostics, the diagnostic settings of the analyzer Nitric acidHydrogen sulfide Nitric oxide 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 Option Number Description Rack Mount Kits Options 20A, 20B, 21Current Loop Analog Outputs Option Current Loop Option Installed on the Motherboard OPT 42D Expendable Kits Options 42C, 42DOption Number Description OPT 42C Ambient Zero/Pressurized Span Valve Operating States Calibration Valves OptionsAmbient Zero/Pressurized Span Valve Ambient Zero/Ambient Span Valve Ambient Zero/Ambient Span Valve Operating StatesInternal Pneumatic Flow Ambient Zero/Ambient Span FAQModel GFC7000TA Carbon Dioxide Analyzer Communication OptionsCommunications Cables RS-232 Multidrop OptionParamagnetic measurement of O2 Oxygen Sensor OPTTheory of Operation Operation within the GFC 7000TA Analyzer Pneumatic Operation of the O2 SensorGFC 7000TA Internal Pneumatics with O2 Sensor Option Special Features Maintenance Mode SwitchSecond Language Switch Dilution Ratio OptionThis page intentionally left blank Overview of Operating modes Front Panel DisplayMeaning Sample ModeAnalyzer Operating modes Parameter Display Units Meaning Test FunctionsTest Functions Defined Refer to ForDefinitions 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 CalibrationSetup  DAS Using the Data Acquisition System DAS Front Panel Sample LED Status Indicators for DASLED State OFFDAS Data Channel Properties DAS StructureDAS Channels 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 Exit returns To the main menu Range UnitsTo change the concentration units Primary Setup Menu Dilution RatioPassword Level Menu Access Allowed Setup  Pass Password FeaturePassword Levels 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 CommunicationMODE1 Description COM Port Communication Modes10 Com Port Communication Modes Teledyne Analytical Instruments 107 11 Ethernet Status Indicators Remote Access via the EthernetConfiguring the Ethernet Interface using Dhcp Property Default State Description Dhcp InstrumentIP Address 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 Diagnostic Function and Meaning Setup  More  Diag Using the Diagnostics Functions15 GFC 7000TA Diagnostic Diag Functions To access the Diag functions press the following buttons Accessing the Diagnostic FeaturesSignal I/O To enter the signal I/O test mode, press Analog Output Step TestAnalog I/O Configuration To begin the Analog Output Step Test press16 Diag Analog I/O Functions Sub Menu Function17 Analog Output Voltage Ranges Range Minimum Output Maximum Output19 Analog Output Pin Assignments PIN Analog Voltage Current Output Signal18 Analog Output Current Loop Range Analog Output Calibration Mode 10V Curr Entr ExitTeledyne Analytical Instruments 127 Teledyne Analytical Instruments 128 VDC Manual Analog Output Calibration and Voltage Adjustment20 Voltage Tolerances for Analog Output Calibration 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 Zero Full Scale Test Channel Output22 Test Parameters Available for Analog Output A4 Alarm Status Limit SET Point ALM1 Setup MORE  Alrm Using the Gas Concentration Alarms23 CO2 Concentration Alarm Default Settings Setting the Concentration Alarm Limits Remote Operation Using the External Digital I/ORemote Operation of the Analyzer Status OutputsStatus DC Power Pin assignments for the Status Outputs are24 Status Output Pin Assignments Emitter BUSInput Status Condition When Enabled External Zero 25 Control Input Pin AssignmentsCAL External SpanRemote Operation Using the External Serial I/O Help Commands in Terminal Mode26 Terminal Mode Software Commands Terminal Operating Modes27 Command Types Command Command TypeData Types 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 0Using the GFC 7000TA with a Hessen Protocol Network Additional Communications DocumentationGeneral Overview of Hessen Protocol 28 Serial Interface Documents29 RS-232 Communication Parameters for Hessen Protocol Selecting a Hessen Protocol Type To select a Hessen Protocol Type pressSetting The Hessen Protocol Response Mode Mode ID Mode Description CMD30 Teledyne Instruments Hessen Protocol Response Modes 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 GasData Recording Devices Manual Calibration without Zero/Span ValvesCalibration Gas Traceability 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 RangesAutoCal Attribute Setup Parameters Automatic Zero/Span Cal/Check AutoCalUse of Zero/Span Valves with Remote Contact Closure Autocal ModesMode and Attribute Value Comment To program the Sequence NextCalibration Quality AutoCal with Auto or Dual Reporting Ranges Modes SelectedCalibration Data Quality Evaluation Function Minimum Value Optimum Value Maximum Value SlopeTeledyne Analytical Instruments 177 Page Maintenance Schedule & Procedures Maintenance SchedulePage Maintenance Model GFC7000TA Carbon Dioxide Analyzer GFC 7000TA Maintenance ScheduleAction FreqStability CO2 MeasMR Ratio PresPredicting Failures Using the Test Functions Predictive uses for Test FunctionsMaintenance Procedures Replacing the Sample Particulate FilterRebuilding the Sample Pump Performing Leak ChecksVacuum Leak Check and Pump Check Pressure Leak CheckPerforming a Sample Flow Check Cleaning the Optical BenchCleaning Exterior Surfaces of the GFC 7000TA Measurement Method Beer’s LawMeasurement Fundamentals 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 Critical Flow Orifice Sample Gas FlowFlow Rate Control Teledyne Analytical Instruments 195 Purge Gas Pressure Control Particulate FilterPneumatic Sensors Sample Pressure SensorElectronic Operation OverviewCPU Card SensorSync DemodFlash Chip CPUDisk-On-Module DOM IR Source Temperature ControlOptical Bench & GFC Wheel 11 GFC Light Mask Sensor Segment SensorOverview Synchronous Demodulator Sync/Demod AssemblyIR Photo-Detector Signal Synchronization and Demodulation 13 GFC 7000TA Sync / Demod Block DiagramLED Function Status OK Fault Status Sync/Demod Status LED’sFour sample and hold circuits are Sync/Demod Status LED ActivityDark Calibration Switch Electric Test SwitchRelay Board Heater ControlRelay Board Status LED’s LED Color Function Status When LIT Status When UnlitStatus LEDs To D Conversion Mother Board5.6. I2C Watch Dog Circuitry Sensor Inputs Thermistor InterfaceAnalog Outputs Internal Digital I/OPower up Circuit 7. I2C Data BusStatus Outputs Control InputsPower Supply/ Circuit Breaker 16 Power Distribution Block DiagramFront Panel Touchscreen/Display Interface PCA Front Panel Touchscreen/Display InterfaceLvds Transmitter Board Software Operation Adaptive FilterWindows CE 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 ALRM2Fault Diagnosis with Test Functions Fault Condition Possible Causes Message Sample TempSystem Reset SourceTest Functions Indicated Failures Indicated FailuresUsing the Diagnostic Signal I/O Function Test Functions Slope OffsetCPU Status Indicator Internal Electronic Status LEDsSync/Demod Board Status Failure Indications LED Function Fault Status Indicated FailuresSync Demodulator Status LED’s LED Function Fault Status Indicated Failures Relay Board Status LEDsI2C Status LED Failure Indications 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 ZeroDisplayed Flow = Low FlowHigh Flow Sample Pump Poor or Stopped Flow of Purge GasActual Flow Does Not Match Displayed Flow Calibration Problems MiscalibratedNon-Repeatable Zero and Span Inability to Span Touchscreen Span Button Not VisibleInability to Zero Touchscreen Zero Button Not Visible Other Performance Problems Temperature ProblemsBox or Sample Temperature Bench TemperatureGFC Wheel Temperature IR Photo-Detector TEC TemperatureExcessive Noise AC Mains Configuration DC Power SupplyDC Power Test Point and Wiring Color Codes Name Test POINT# TP and Wire ColorDC Power Supply Acceptable Levels 10.5.3. I2C BusTouchscreen Interface LCD Display ModuleSensor Assembly Sync/Demodulator AssemblyRelay Board Control Devices Function Control Socket DeviceOpto Pickup Assembly GFC Wheel DriveOpto Pickup Board Nominal Output Frequencies Nominal Measured Frequency10.5.8.1. A/D Functions Pressure/Flow Sensor AssemblyMotherboard Teledyne Analytical Instruments 246 Analog Outputs Current Loop Full Scale Output VoltageStep Nominal 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 Means of Generation How Static Charges are CreatedStatic Generation Voltages for Typical Activities How Electro-Static Charges Cause Damage Sensitivity of Electronic Devices to Damage by ESDDamage Susceptibility Voltage Device RangeGeneral Rules Common Myths About ESD DamageBasic Principles of Static Control 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