Emerson instruction manual Model NGA 2000 TO2

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Instruction Manual

760008-A September 2001

Model NGA 2000 TO2

iv Contents

Rosemount Analytical Inc. A Division of Emerson Process Management

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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 SystemOverview Section Description and SpecificationsFeatures Typical ApplicationsTrace Oxygen Detector Coulometric Principle Trace Oxygen Analyzer Module Top View Sample SPECIFICATIONS1General PhysicalGas Connections Model NGA 2000 TO2 Electrolyte Section InstallationUnpacking Electrolyte AdditionGAS Overpressure GasesGAS Connections Sample FlowLeak Test Sensor DamageElectrical Connections Electrical Shock Hazard Analyzer Module Interconnection with Instrument Platform Outline and Mounting Dimensions Back Panel Connections Operation Displays & Operating KeysAnalyzer basic controls calibration & setup… Menu Lines & Softkey FunctionalityMeasure Status… Channel Lock… MFG Data Signal on mini-bargraph Entering & Changing VariablesMeasure Back… Measure Mode Display Ppm O2Display Status… Main… Channel BasicCal Module Manufacturing Data Displays LCDReset Abort Startup & InitializationQuick Start Initiate quick startMeasure Status… Back… Analyzer Channel Status Basic CONTROLS, Setup and StatusPower supply voltages… Measure Back… Display Status… Main… ChannelSingle Component Display Display Status…Main… Channel BasicCal Select Status… Tags Off LCDReset Multi Component DisplayOperation Status Basic Controls and SetupRange number Range numberDisplay controls… Display ControlsBrightness and Contrast Brightness 70 %Analyzer module controls… Expert Controls and SetupAnalyzer and I/O, expert controls & setup… Measure Channel Back…Calibration Procedure Gas Scale FactorGas scale factor… Air background gas concentrationSpan Calibration Span gas 90.0 ppm Measure Status… Back…Concentration alarm setup… Measure Back… ClrAlm AlarmsAlarms… Alarm generation isReBegin / end of ranges… RangesRanges… Range Begin PpmMeasurement Display Configuration Measurement display configuration…Linearization Concentration measurement… Concentration MeasurementGas measurement units Gas concentration unitsClamp low PVA to Temperature compensation at span gasSensor model Ppm to mg/Nm3 conversion factorFlow Measurement Flow measurement…Flow lower limit 400 ml/min Temperature Measurement Temperature measurement… Measure Status… Back…Temperature measurement units 37.50 ppm System & Network I/O Module CON Trols SetupSystem & network I/O module controls… System SIO module…Analog output setup… System SIOSelect analog output number Analog Output SetupChoose signal Choose the analyzer moduleSignal value for 0% output Hold output during calibrationHold output during calibration Operation mode Outputs value on analyzer failureOutput number Output #1 Yes Analog Output Updates Per SecondType of installed serial inter- face Baud rate 19200Communication protocol Relay Outputs SetupInvert signal Choose source moduleFunction control Choose signal…System DIO Input numberSystem Configuration and DIAG- Nostics Diagnostic Menus Load/Save Module Configura- tionAnalyzer Module Diagnostics Date and Time Security CodesSystem Reset System reset Measure Back…Entering a level locked by security code Model NGA 2000 TO2 Section Maintenance and Service Overview Electrical Shock HazardSensor Caustic Liquid Sensor Assembly Refilling SensorElectrolyte Replacement Sensor ReplacementSensor Lleak Check Do not tilt Sensor excessively as elec- trolyte may leak Analyzer and I/O expert controls & setup…Linearization Time & Date0000 ppm Linearization temperature values…Linearization… Linearization raw values sensor current…Fuses Flow Sensor ReplacementElectronic Components Printed Circuit BoardsFailure to purge down to ppm levels Section TroubleshootingTroubleshooting Erratic and very insensitive readingsModel NGA 2000 TO2 Section Replacement Parts MatrixTO2 NGA 2000 TO2 Trace Oxygen Analyzer Module Replacement Parts Return of Material Customer ServiceSection Return of Material TrainingModel NGA 2000 TO2 Section Index Model NGA 2000 TO2 Product ELECTROLYTE1 Other precautions Emergency & first aid proceduresPrecautions to be taken in handling Threshold limit value Routes of entryRosemount Warranty Asia Pacific EUROPE, Middle EAST, Africa Latin America