Emerson instruction manual Model NGA 2000 TO2

Page 68

Instruction Manual

760008-A September 2001

Model NGA 2000 TO2

5-2

Maintenance and Service

Rosemount Analytical Inc. A Division of Emerson Process Management

Image 68

Contents Model NGA 2000 TO2 Essential Instructions Table of Contents Model NGA 2000 TO2System & Network I/O Module Controls Setup Material Safety Data SheetList of Illustrations Analyzer Module Interconnection with Instrument PlatformModel NGA 2000 TO2 Preface Intended USE Statement DefinitionsSafety Summary Model NGA 2000 TO2 Documentation CompliancesGlossary of Terms Softkeys SystemSection Description and Specifications FeaturesOverview Typical ApplicationsTrace Oxygen Detector Coulometric Principle Trace Oxygen Analyzer Module Top View SPECIFICATIONS1 GeneralSample PhysicalGas Connections Model NGA 2000 TO2 Section Installation UnpackingElectrolyte Electrolyte AdditionGases GAS ConnectionsGAS Overpressure Sample FlowElectrical Connections Electrical Shock Hazard Leak TestSensor Damage Analyzer Module Interconnection with Instrument Platform Outline and Mounting Dimensions Back Panel Connections Operation Displays & Operating KeysMeasure Status… Channel Lock… MFG Data Analyzer basic controls calibration & setup…Menu Lines & Softkey Functionality Measure Back… Signal on mini-bargraphEntering & Changing Variables Display Status… Main… Channel BasicCal Measure Mode DisplayPpm O2 Module Manufacturing Data Displays LCDReset Abort Startup & InitializationMeasure Status… Back… Quick StartInitiate quick start Basic CONTROLS, Setup and Status Power supply voltages… Measure Back…Analyzer Channel Status Display Status… Main… ChannelMain… Channel BasicCal Single Component DisplayDisplay Status… Select Status… Tags Off LCDReset Multi Component DisplayBasic Controls and Setup Range numberOperation Status Range numberDisplay Controls Brightness and ContrastDisplay controls… Brightness 70 %Expert Controls and Setup Analyzer and I/O, expert controls & setup…Analyzer module controls… Measure Channel Back…Calibration Procedure Gas Scale FactorGas scale factor… Air background gas concentrationSpan Calibration Span gas 90.0 ppm Measure Status… Back…Alarms Alarms…Concentration alarm setup… Measure Back… ClrAlm Alarm generation isReRanges Ranges…Begin / end of ranges… Range Begin PpmLinearization Measurement Display ConfigurationMeasurement display configuration… Concentration Measurement Gas measurement unitsConcentration measurement… Gas concentration unitsTemperature compensation at span gas Sensor modelClamp low PVA to Ppm to mg/Nm3 conversion factorFlow lower limit 400 ml/min Flow MeasurementFlow measurement… Temperature measurement units Temperature MeasurementTemperature measurement… Measure Status… Back… System & Network I/O Module CON Trols Setup System & network I/O module controls…37.50 ppm System SIO module…Analog output setup… System SIOAnalog Output Setup Choose signalSelect analog output number Choose the analyzer moduleHold output during calibration Signal value for 0% outputHold output during calibration Output number Operation modeOutputs value on analyzer failure Analog Output Updates Per Second Type of installed serial inter- faceOutput #1 Yes Baud rate 19200Relay Outputs Setup Invert signalCommunication protocol Choose source moduleChoose signal… System DIOFunction control Input numberSystem Configuration and DIAG- Nostics Analyzer Module Diagnostics Diagnostic MenusLoad/Save Module Configura- tion Date and Time Security CodesEntering a level locked by security code System ResetSystem reset Measure Back… Model NGA 2000 TO2 Sensor Caustic Liquid Section Maintenance and ServiceOverview Electrical Shock Hazard Sensor Assembly Refilling SensorSensor Lleak Check Electrolyte ReplacementSensor Replacement Analyzer and I/O expert controls & setup… LinearizationDo not tilt Sensor excessively as elec- trolyte may leak Time & Date Linearization temperature values… Linearization… 0000 ppm Linearization raw values sensor current…Flow Sensor Replacement Electronic ComponentsFuses Printed Circuit BoardsSection Troubleshooting TroubleshootingFailure to purge down to ppm levels Erratic and very insensitive readingsModel NGA 2000 TO2 TO2 NGA 2000 TO2 Trace Oxygen Analyzer Module Section Replacement PartsMatrix Replacement Parts Customer Service Section Return of MaterialReturn of Material TrainingModel NGA 2000 TO2 Section Index Model NGA 2000 TO2 Product ELECTROLYTE1 Emergency & first aid procedures Precautions to be taken in handlingOther precautions Threshold limit value Routes of entryRosemount Warranty Asia Pacific EUROPE, Middle EAST, Africa Latin America