Teledyne BDS-3960 operating instructions BDS 3960 Electronics Block Diagram

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Operational Theory	BDS 3960

Temperature

Sensor

Amplifiers

BDS

Sensor

Alarm 1

Alarm 2

System Alarm

Other

Outputs

	ADC
		LED
	8051 processor	Display
UART	DAC

Pocket

PC

0-1 VDC and

4-20 ma support electronics

Figure 2-7: BDS 3960 Electronics Block Diagram

Teledyne Analytical Instruments

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Contents Oxygen Analyzer Teledyne Analytical InstrumentsBDS Copyright 2002 Teledyne Analytical InstrumentsSpecific Model Information IiiSafety Messages Oxygen Analyzer Table of Contents Operation ViiMaintenance AppendixIndex Teledyne Analytical Instruments ViiiList of Figures BDS-3960 Front PanelVacuum Degassing for the BDS Oxygen Sensor List of Tables Combustible GAS Usage XiiMain Features of the Analyzer IntroductionOverview Typical ApplicationsFront Panel Operator Interface BDS-3960 Front Panel Rear Panel Equipment Interface Analog OutputsRemote Probe Range ID ContactsModel BDS 3960 Rear Panel Operational Theory IntroductionBDS Sensor Principles of OperationOxygen Analyzer Operational Theory Cross Section of the BDS Oxygen Sensor Gas Flow Rate BDS sensor output at different gas flow rateRecovery from High Level Oxygen Exposure Temperature effectGas Pressure Background Gas Compatibility Typical Purge-down Curve After Air SaturationMaintenance StabilitySample System Electronics and Signal Processing Flow DiagramOxygen Analyzer Operational Theory BDS 3960 Electronics Block Diagram Page Unpacking the Analyzer InstallationMounting the Analyzer Oxygen Analyzer Installation Model BDS 3960 Front PanelRear Panel Connections Gas ConnectionsElectrical Connections Equipment Interface Connector Pin Arrangement Threshold Alarm Pin FunctionSystem Alarm Pin ContactCal Contact Installation Electrolyte Refill of BDS Sensor Testing the System Adding Electrolyte to the BDS SensorPowering Up the System Operation Auto Ranging onOxygen Analyzer Maintenance Analyzer applicationSystem Screen Communication Information and Calibration ParametersSetting Software Parameters Filter, Gas Factor, Tmp. Coeff Gas Factor Parameter Selection BoxTemperature Coefficient Parameter Default Values Calibration of the Analyzer Zero CalSpan Cal Alarms Function Maintenance Setting the Analog Output Ranges Range FunctionRange Options List Box Signal Output Fixed Range AnalysisSwitching The Program Back To Front Oxygen Analyzer Maintenance Maintenance Routine Maintenance Adding Water to the BDS SensorFuse Replacement Adding Water into the BDS sensorBattery Backup Replacement Removing Fuse Block from HousingReinstalling Application software to PPC Click startProgramsexplorer Click showMy DeviceCleaning TroubleshootingSymptoms Possible causes and Solutions Major Internal ComponentsCauses and solution keys Vacuum Degassing for the BDS Oxygen Sensor Oxygen Analyzer Maintenance Teledyne Analytical Instruments Specifications AppendixOperating Temperature 5-40 C Oxygen Analyzer AppendixRecommended 2-Year Spare Parts List Qty Part Number DescriptionDrawing List 19-inch Relay Rack Panel MountApplication notes Section I Product Identification Material Safety Data SheetSection II Physical and Chemical Data Section III -Physical Hazards Section IV Health Hazard DataSection VI Handling Information Alarms IndexOxygen Analyzer Index MsdsZero