Emerson NGA 2000 TO2 Entering & Changing Variables, Signal on mini-bargraph, Measure Back…

Page 27

Model NGA 2000 TO2

Instruction Manual

760008-A September 2001

the channels of the current Analyzer or Analyzer module. F3 if available, F4 in the single component display.

Lock – Changes to the main menu and locks all three operation levels, if a secu- rity code is enabled in the system configu- ration. F4 in the main menu.

BasicCal – Change from the single com- ponent display to the menu “Basic Con- trols and Setup.” F5 in the single component display. (See Section 3-40)

MFG Data – Change from the main menu to the menu “Manufacturing Data” which displays further submenus with informa- tion about the control module and Ana- lyzer module, such as address of the manufacturer, serial number of the mod- ules and software and hardware versions. F5 in the main menu. (See Section 3-2e and Figure 3-7.)

More – Changes to an additional menu page of the current menu. F3 or F5 if available.

ESCAPE/Back – Returns to the previous menu. Usually F2 or F4. When changing a variable, the previous value is displayed above the Back button. Pressing the Back button restores the previous value.

INFO – Context sensitive help screens for the current menu.

c.Entering & Changing Variables

1.Select the variable line desired to be changed using the ↑ key or the ↓ key. The selected line will be high- lighted white on black.

2.Press the ↵ key and the parameter will be selected for modification.

3.The F2 key changes to “Back…” and the previous value of the vari- able shows above it for easy refer- ence. When the variable being changed is numeric, the F4 key changes to “+/-“ to allow changing of

the sign from positive to negative if applicable.

4.Use the ↑ key or the ↓ key change the entire value, scroll among the available variables or change the value of a selected digit or charac- ter.

5.Use the ← key or the → key to se- lect digits within a number. For some variables the quantity of digits or characters can be changed.

6.Press the ↵ key again to confirm the new value.

TO2

-- Measurement Display Configuration -- 16.4 ppm

 

Displayed concentration digits:

6

 

 

Digits after decimal point:

2

 

 

Module identification tag:

TO2

 

 

 

 

Signal on mini-bargraph – 1:

Electrolyte level

 

 

Signal on mini-bargraph – 2:

Temp. current

 

 

Signal on mini-bargraph – 3:

Range

 

Signal on mini-bargraph – 4:

Sensor current

Measure

 

Back…

 

 

 

Figure 3-3. Changing Variables

d.Starting a Function

Pressing the ↵ key or the → key while a function line is highlighted will bring up a confirmation menu as shown below.

Pressing the F2 key will start the function immediately.

Pressing the F4 key will return to the pre- vious menu page.

TO2

16.4 ppm

-- Confirmation Required –

Do you really want to do this ??

Press “Yes” or “Back…”

 

Back…

 

Back…

 

Figure 3-4. Function Confirmation

Rosemount Analytical Inc. A Division of Emerson Process Management

Operation 3-3

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Contents Model NGA 2000 TO2 Essential Instructions Model NGA 2000 TO2 Table of ContentsMaterial Safety Data Sheet System & Network I/O Module Controls SetupAnalyzer Module Interconnection with Instrument Platform List of IllustrationsModel NGA 2000 TO2 Definitions Preface Intended USE StatementSafety Summary Model NGA 2000 TO2 Compliances DocumentationGlossary of Terms System SoftkeysTypical Applications Section Description and SpecificationsFeatures OverviewTrace Oxygen Detector Coulometric Principle Trace Oxygen Analyzer Module Top View Physical SPECIFICATIONS1General SampleGas Connections Model NGA 2000 TO2 Electrolyte Addition Section InstallationUnpacking ElectrolyteSample Flow GasesGAS Connections GAS OverpressureLeak Test Sensor DamageElectrical Connections Electrical Shock Hazard Analyzer Module Interconnection with Instrument Platform Outline and Mounting Dimensions Back Panel Connections Displays & Operating Keys OperationAnalyzer 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 Startup & Initialization LCDReset AbortQuick Start Initiate quick startMeasure Status… Back… Display Status… Main… Channel Basic CONTROLS, Setup and StatusPower supply voltages… Measure Back… Analyzer Channel StatusSingle Component Display Display Status…Main… Channel BasicCal Multi Component Display Select Status… Tags Off LCDResetRange number Basic Controls and SetupRange number Operation StatusBrightness 70 % Display ControlsBrightness and Contrast Display controls…Measure Channel Back… Expert Controls and SetupAnalyzer and I/O, expert controls & setup… Analyzer module controls…Gas Scale Factor Calibration ProcedureAir background gas concentration Gas scale factor…Span gas 90.0 ppm Measure Status… Back… Span CalibrationAlarm generation isRe AlarmsAlarms… Concentration alarm setup… Measure Back… ClrAlmRange Begin Ppm RangesRanges… Begin / end of ranges…Measurement Display Configuration Measurement display configuration…Linearization Gas concentration units Concentration MeasurementGas measurement units Concentration measurement…Ppm to mg/Nm3 conversion factor Temperature compensation at span gasSensor model Clamp low PVA toFlow Measurement Flow measurement…Flow lower limit 400 ml/min Temperature Measurement Temperature measurement… Measure Status… Back…Temperature measurement units System SIO module… System & Network I/O Module CON Trols SetupSystem & network I/O module controls… 37.50 ppmSystem SIO Analog output setup…Choose the analyzer module Analog Output SetupChoose signal Select analog output numberSignal value for 0% output Hold output during calibrationHold output during calibration Operation mode Outputs value on analyzer failureOutput number Baud rate 19200 Analog Output Updates Per SecondType of installed serial inter- face Output #1 YesChoose source module Relay Outputs SetupInvert signal Communication protocolInput number Choose signal…System DIO Function controlSystem Configuration and DIAG- Nostics Diagnostic Menus Load/Save Module Configura- tionAnalyzer Module Diagnostics Security Codes Date and TimeSystem 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 Refilling Sensor Sensor AssemblyElectrolyte Replacement Sensor ReplacementSensor Lleak Check Time & Date Analyzer and I/O expert controls & setup…Linearization Do not tilt Sensor excessively as elec- trolyte may leakLinearization raw values sensor current… Linearization temperature values…Linearization… 0000 ppmPrinted Circuit Boards Flow Sensor ReplacementElectronic Components FusesErratic and very insensitive readings Section TroubleshootingTroubleshooting Failure to purge down to ppm levelsModel NGA 2000 TO2 Section Replacement Parts MatrixTO2 NGA 2000 TO2 Trace Oxygen Analyzer Module Replacement Parts Training Customer ServiceSection Return of Material Return of MaterialModel NGA 2000 TO2 Section Index Model NGA 2000 TO2 Product ELECTROLYTE1 Threshold limit value Routes of entry Emergency & first aid proceduresPrecautions to be taken in handling Other precautionsRosemount Warranty Asia Pacific EUROPE, Middle EAST, Africa Latin America
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