Emerson NGA 2000 TO2 Display Controls, Brightness and Contrast, Display controls…

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Instruction Manual

760008-A September 2001

Model NGA 2000 TO2

e.Display Controls

To adjust the display parameters, from the Main menu choose “Display con- trols…” as follows:

 

TO2

 

 

 

 

 

 

 

37.50 ppm

 

 

 

 

 

 

-- Main Menu --

 

 

 

 

 

 

Analyzer basic controls (calibration) & setup…

 

 

 

 

 

Analyzer and I/O, expert controls & setup…

 

 

 

 

 

System configuration and diagnostics…

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Display controls…

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Time & Date:

 

 

06:34:25 February 01 2000

 

 

System tag:

 

 

 

 

 

Fisher-Rosemount

 

 

Measure

 

 

Status…

 

Channel

 

 

Lock…

 

MFG Data

 

 

 

 

 

 

 

 

 

 

 

TO2

 

 

 

 

 

 

37.50 ppm

 

 

 

 

 

 

-- Display Controls --

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Brightness:

 

 

 

 

 

 

70 %

 

 

 

Contrast:

 

 

 

 

 

 

23 %

 

 

 

Switch automatically to “Measure” after:

 

 

30 s

 

 

Switch off backlight after:

 

 

Never

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure

 

 

 

 

 

 

 

Back…

 

 

 

From the Main menu, move the cursor to the “Display controls…” line and press the key. The menu will display as shown below.

Brightness and Contrast:

These controls can be adjusted to accom- modate the ambient lighting conditions. The range of values are 20-100% for brightness and 1-45% for contrast.

These values can be reset to the defaults from the Multi Channel display screen (F1 from the “Measure” screen) by pressing F5 (LCDReset). It can also be reset from the startup screen by pressing F1 (see Figure 3-8).

Figure 3-14. Display Controls

NOTE:

It is possible to change the brightness and contrast values do that the display is no longer visible. In such case, press the F1 key twice to change to the multi component display and then press the F5 key for LCDReset.

Switch automatically to “Meas- ure” after:

This variable line allows setting of the delay time before any selected menu switches back to the Measure screen. The selectable values are:

5sec

10sec

30sec

1min

5min

30min Never

3-12 Operation

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 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 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… Basic CONTROLS, Setup and Status Power supply voltages… Measure Back…Analyzer Channel Status Display Status… Main… ChannelSingle Component Display Display Status…Main… Channel BasicCal 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 PpmMeasurement Display Configuration Measurement display configuration…Linearization Concentration Measurement Gas measurement unitsConcentration measurement… Gas concentration unitsTemperature compensation at span gas Sensor modelClamp low PVA to 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 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 moduleSignal value for 0% output Hold output during calibrationHold output during calibration Operation mode Outputs value on analyzer failureOutput number 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 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 Analyzer and I/O expert controls & setup… LinearizationDo not tilt Sensor excessively as elec- trolyte may leak Time & DateLinearization 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 Section Replacement Parts MatrixTO2 NGA 2000 TO2 Trace Oxygen Analyzer Module 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