Teledyne 7300A manual Cell Assembly

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Infrared Gas Analyzer		Maintenance 5

Figure 5-3: Cell Assembly

WARNING: HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PER-

SIST FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.

Figure 5-4: Major Internal Components

Teledyne Analytical Instruments

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Contents Teledyne Analytical Instruments Model 7300ACopyright 2000 Teledyne Analytical Instruments Model 7300AApplication Impurity of Interest Infrared Gas Analyzer Technician Record SheetModel 7300A Teledyne Analytical Instruments Model 7300A Table of Contents Introduction InstallationModel 7300A Infrared Gas Analyzer Table of Contents Start-up and Theory of OperationOperation Electrical/Control Unit Modes/Functioning Appendix MaintenanceOverview Typical Gas ApplicationsInfrared Gas Analyzer Introduction Main Features of the Analyzer GeneralIntroduction Model 7300A Ndir Analyzer Introduction Model 7300A Teledyne Analytical Instruments Installing and Connecting the Analyzer Infrared Gas Analyzer InstallationUnpacking the Analyzer/Inspection Calibration Gases Installation Model 7300AElectrical Power Connections User ConnectionsVenting the System Infrared Gas Analyzer Installation Pipe ConnectionsElectrical Connections Rear Panel Sample Delivery SystemAnalog Outputs Installation Model 7300A Primary Input PowerFuse Installation 3 50-Pin Equipment Interface ConnectorPin Function ExamplesOutput V dc Output mA dc Range Voltage Current mA Application Alarm RelaysDigital Remote Cal Inputs Pin ContactRemote Calibration Connections Remote Valve Connector Range ID RelaysNetwork I/O FET Series Resistance 4 RS-232 PortCommand Description Parameter SettingGas Requirements Testing the System Calibration Calibration FluidsCalibration Infrared Gas Analyzer Installation Installation Model 7300A Teledyne Analytical Instruments Infrared Gas Analyzer Start-up and Operation PreliminaryNdir Analyzer Startup Initial Set-up and ZeroingStart-up and Theory of Operation Model 7300A Operational CalibrationAnalyzer Theory of operation GeneralBlock Diagram of the Model 7300A Electronics Circuit Description Digital Signal Processing & Electronics Linearizer Linearizer Output Linearizer Input Teledyne Analytical Instruments Page Infrared Gas Analyzer Operation IntroductionMode/Function Selection Using the ControlsAnalysis Mode Operation Model 7300ASetup Mode Setup Mode Data Entry EnterEscape Enter Setting up an AUTO-CALEntering the Password Infrared Gas Analyzer Operation Password ProtectionAAA Installing or Changing the PasswordLogging Out System Self-Diagnostic TestChecking Linearity with Algorithm Model ScreenTroubleshooting information Digital Filter Setup Zero Offset Adjustment CAL-OUT Function Adjst output to 4ma ENT to OK Zero Cal Zero and Span FunctionsAuto Mode Zeroing Cell Failure Manual Mode ZeroingSpan Cal Auto Mode SpanningManual Mode Spanning Installation Alarms FunctionPress enter again to set the alarm setpoints Manual Select/Define Range Screen Range Select FunctionAuto Screen Precautions Illustrates these schemes graphically Analyze FunctionSet Application Screen ProgrammingOFFST/INVRT ENT Checking the linearization Curve Algorithm ScreenManual Mode Linearization Auto Mode Linearization Offset OUTPUT/Reversal Output Output Signal Reversal Special Function SetupPolarity Reversal Output Signal OffsetGain Preset Infrared Gas Analyzer Maintenance MaintenanceRoutine Maintenance Maintenance Model 7300AFilter Ndir Analyzer Measurement Cell System Self Diagnostic TestPreamp PowerMajor Internal Components AnalogCell Assembly Troubleshooting General Trouble Shooting Chart Maintenance Model 7300A Infrared Gas Analyzer Maintenance Maintenance Model 7300A Teledyne Analytical Instruments Infrared Gas Analyzer Appendix Specifications Drawing ListAppendix Model 7300A Qty Description Recommended 2-Year Spare Parts ListAttachment 7300A Infrared Gas Analyzer Appendix