Teledyne 3000PA operating instructions Setting the Display

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4 Operation		Model 3000PA

operation, such as setting the instrument span or zero setting, adjusting the alarm setpoints, or defining analysis ranges.

After a password is assigned, the operator must log out to activate it. Until then, anyone can continue to operate the instrument without entering the new password.

Only one password can be defined. Before a unique password is assigned, the system assigns TBEAI by default. This allows access to anyone. After a unique password is assigned, to defeat the security, the password must be changed back to TBEAI.

•Logout: Logging out prevents an unauthorized tampering with analyzer settings.

•More: Select and enter More to get a new screen with additional subfunctions listed.

•Self–Test:The instrument performs a self-diagnostic test to check the integrity of the power supply, output boards and amplifiers.

•Version: Displays Manufacturer, Model, and Software Version of instrument.

4.3.1 Setting the Display

Contrast Function is DISABLED

(Refer to Section 1.6)

If you cannot read anything on the display after first powering up:

1.Observe LED readout.

a.If LED meter reads all eights and periods, go to step 3.

b.If LED meter displays anything else, go to step 2.

2.Press button twice to turn Analyzer OFF and ON again. LED meter should now read all eights and periods. Go to step 3.

4-4	Teledyne Analytical Instruments

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Contents Model 3000PA Model 3000PA Teledyne Analytical InstrumentsIii Percent Oxygen Analyzer Specific Model InformationInstrument Serial Number Includes the following options Model 3000PA Table of Contents Introduction InstallationOperationalTheory OperationMaintenance Percent Oxygen AnalyzerAppendix Combustible GAS Usage Warning Main Features of the Analyzer OverviewTypical Applications Percent Oxygen Analyzer IntroductionModel Designations Introduction Model 3000PAFront Panel Operator Interface Model 3000PA Front PanelIntroduction Model 3000PA Recognizing Difference Between LCD Rear Panel Equipment InterfaceAnalog Outputs RS-232 Port Remote ProbeNetwork OptionalOperational Theory Introduction Micro-Fuel Cell SensorPercent Oxygen Analyzer Operational Theory Principles of OperationOperational Theory Model 3000PA Anatomy of a Micro-Fuel CellElectrochemical Reactions + 2H O + 4e → 4OHCalibration Characteristics Effect of PressureMicro-Fuel Cell Class Class A-3 CellClass A-5 Cell Hydrogen and/or Helium Service Sample SystemClass B-1 Cell Class B-3 CellPiping Layout and Flow Diagram for Standard Model Electronics and Signal Processing Span Zero SampleBlock Diagram of the Model 3000P Electronics Operational Theory Model 3000PA Percent Oxygen Analyzer Installation Unpacking the AnalyzerMounting the Analyzer Installation Model 3000PA Rear Panel ConnectionsGas Connections Rear Panel of the Model 3000PAElectrical Connections Percent Oxygen Analyzer Installation Teledyne Analytical Instruments Percent Oxygen Analyzer Installation Command Description Parameter Setting Remote Probe ConnectorInstalling the Micro-Fuel Cell Testing the SystemPercent Oxygen Analyzer Operation Auto Ranging onUsing the Data Entry and Function Buttons Operation Model 3000PASystem Function Hierarchy of Functions and SubfunctionsSetting the Display Percent Oxygen Analyzer Operation Setting up an Auto-Cal Password ProtectionEntering the Password Installing or Changing the Password Logout Version Screen Span Functions Cell FailureAuto Mode Spanning Span CalAlarms Function Manual Mode SpanningInstallation AL-1 AL-2 Choose Alarm Setting the Analog Output Ranges Range FunctionOperation Model 3000PA Autoranging Analysis Fixed Range AnalysisSignal Output Voltage Signal Current Signal Output V dc Output mA dcAnalyze Function Range Voltage Current mA Routine Maintenance Cell ReplacementPercent Oxygen Analyzer Maintenance Storing and Handling Replacement CellsMaintenance Model 3000P When to Replace a CellIndex Removing the Micro-Fuel CellRemoving or Installing a Micro-Fuel Cell Cell Warranty Fuse Replacement System Self Diagnostic TestPower Major Internal ComponentsAnalog PreampCleaning Rear-Panel ScrewsTroubleshooting SolutionPossible Cause Maintenance Model 3000P Teledyne Analytical Instruments Model 3000PA Specifications Percent Oxygen Analyzer AppendixAppendix Model 3000PA Recommended 2-Year Spare Parts List Qty Part Number DescriptionDrawing List 19-inch Relay Rack Panel MountSeries Analyzers Calibration GAS Conversions Zero Cal ZeroSettlingMan ENT To Begin