Teledyne 3000TA-XL-EU, Trace Oxygen Analyzer Rear Panel Equipment Interface, Analog Outputs

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Trace Oxygen Analyzer		Introduction 1

all the way in with a narrow gauge tool. Accessing the main circuit board requires unfastening rear panel screws and sliding the unit out of the case.

1.6Rear Panel (Equipment Interface)

The rear panel, shown in Figure 1-2, contains the gas and electrical connectors for external inlets and outlets. Some of those depicted are op- tional and may not appear on your instrument. The connectors are described briefly here and in detail in chapter 3 Installation.

Figure 1-2: Model 3000TA-XL Rear Panel

•Power Connection Universal AC power source.

•Gas Inlet and Outlet One inlet and one exhaust out.

• Analog Outputs	0–1 V dc oxygen concentration plus 0-1
	V dc range ID, and isolated 4–20 mA dc
	oxygen concentration plus 4-20 mA dc
	range ID.

•Alarm Connections 2 concentration alarms and 1 system alarm.

Teledyne Analytical Instruments

1-5

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Contents Teledyne Analytical Instruments Trace Oxygen AnalyzerCopyright 1999 Teledyne Analytical Instruments Model 3000TA-XL-EUTrace Oxygen Analyzer Specific Model Information IiiProtective Earth Teledyne Analytical Instruments GroundInstallation Trace Oxygen Analyzer Table of Contents IntroductionOperational Theory OperationAppendix MaintenanceTrace Oxygen Analyzer Appendix ViiViii Combustible GAS Usage WarningOverview Main Features of the AnalyzerTypical Applications Trace Oxygen Analyzer IntroductionIntroduction Model 3000TA-XL-EU Model DesignationsModel 3000TA-XL Front Panel Front Panel Operator InterfaceIntroduction Model 3000TA-XL-EU Analog Outputs Rear Panel Equipment InterfaceRemote Probe RS-232 PortNetwork I/O Micro-Fuel Cell Sensor Operational Theory IntroductionTrace Oxygen Analyzer Operational Theory Principles of OperationAnatomy of a Micro-Fuel Cell Operational Theory Model 3000TA-XL-EU+ 2H 2O + 4e → 4OH Electrochemical ReactionsEffect of Pressure Calibration CharacteristicsSample System Characteristic Input/Output Curve for a Micro-Fuel CellTOP Flow Diagram-Sample Under Pressure Standard Model Electronic Component Location Inside the Model 3000TA-XL Electronics and Signal ProcessingBlock Diagram of the Model 3000TA-XL Electronics Operational Theory Model 3000TA-XL-EU Unpacking the Analyzer Trace Oxygen Analyzer InstallationMounting the Analyzer Rear Panel Connections Installation Model 3000TA-XL-EURear Panel of the Model 3000TA-XL Gas Connections2.2 50-Pin Equipment Interface Connector PrimaryInputPowerElectrical Connections Pin Function Equipment Interface Connector Pin ArrangementPin Contact Remote Calibration Connections Range ID Relay Connections FET Series Resistance 2.3 RS-232 PortParameter Setting Command DescriptionTesting the System Installing the Micro-Fuel CellRemoving the Micro-Fuel Cell Auto Ranging on Trace Oxygen Analyzer OperationOperation Model 3000TA-XL-EU Using the Data Entry and Function ButtonsAnalyze System System FunctionOperation Model 3000TA-XL-EU Setting up an Auto-Cal Password Protection Entering the Password Installing or Changing the Password Logout System Self-Diagnostic TestVersion Screen Span Gas Calibration Calibration of the AnalyzerAir Calibration Zero CalManual Mode Zeroing Auto Mode ZeroingCell Failure Operation Model 3000TA-XL-EU Span Cal Auto Mode SpanningManual Mode Spanning Span Failure Switching of Sample StreamsSpecial Notes on Hydrogen Gas Stream Alarms FunctionAL-1 AL-2 Choose Alarm Range Function Fixed Range Analysis Setting the Analog Output RangesAnalyze Function Signal OutputMED Range Voltage Current mACell Replacement Routine MaintenanceTrace Oxygen Analyzer Maintenance Storing and Handling Replacement CellsRemoving the Micro-Fuel Cell Maintenance Model 3000TA-XL-EU When to Replace a CellRemoving the Micro-Fuel Cell Warranty Removing Fuse Block from Housing Fuse ReplacementMaintenance Model 3000TA-XL-EU System Self Diagnostic TestMajor Internal Components Rear-Panel Screws CleaningSolution TroubleshootingSpecifications Appendix Operating Temperature 5-35 CRecommended 2-Year Spare Parts List 19-inch Relay Rack Panel Mount Drawing List3000XL Series Analyzers Conversions Page Material Safety Data Sheet Section IV Fire and Explosion Hazard Data Exposure Protective measures during cell replacementSection Viii Control Measures Read completely before beginning the procedure

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