Alarm Indication, Description Type | Emerson NGA2000 TO2 specification

Model NGA2000 TO2

Instruction Manual

748374-F March 2003

3-8 ALARM INDICATION

NGA analyzer modules continuously monitor a number of internal parameters. It is possible to make the analyzer generate certain kinds of alarm indications if these parameters' values exceed or reduce below specified levels. The general alarm variable will have its value changed if an alarm occurs. See the NGA Ref- erence manual for further details.

DESCRIPTION	TYPE
Low Electrolyte	WARNING
Low Sample Flow	WARNING
Sleep Mode	WARNING
Low Sensor Temperature	WARNING
High Sensor Temperature	WARNING
Software Error	FAILURE

Table 3-1. Trace Oxygen Analyzer Module Alarms

Rosemount Analytical Inc. A Division of Emerson Process Management

Startup and Operation

3-5

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Emerson NGA2000 TO2 instruction manual Alarm Indication, Description Type, Trace Oxygen Analyzer Module Alarms

Contents

Model NGA2000 TO2 Essential Instructions Model NGA2000 TO2 Table of Contents Maintenance and Troubleshooting Material Safety Data Sheet List of Tables List of Illustrations Model NGA2000 TO2 Definitions Preface Intended USE Statement Authorized Personnel Safety Summary Model NGA2000 TO2 Model NGA2000 TO2 Compliances Documentation Glossary of Terms Typical Applications Section Description and SpecificationsFeatures Overview Trace Oxygen Detector Technology Trace Oxygen Analyzer Module Top View Physical SpecificationsGeneral Sample Location Section InstallationAssembly Unpacking Pressure Calibration GasesConnections Trace Oxygen Analyzer Outline and Mounting Dimensions Sample Flow GAS Overpressure Electrical Connections Trace Oxygen Analyzer Front Panel Model NGA2000 TO2 Run Mode Display Section Startup and OperationDisplays Basic Controls Menu Calibration Startup ProcedureQuick Start Feature GAS Scale Factor GSF Routine Operation Alarm Indication Trace Oxygen Analyzer Module AlarmsDescription Type Model NGA2000 TO2 Section Maintenance and Troubleshooting Overview Qualified PersonnelRefilling Sensor Fuses Electrolyte ReplacementSensor Replacement Water Addition To add water Sensor Damage Flow Sensor ReplacementTroubleshooting Printed Circuit Boards TO2 analyzer gives erratic and very in- sensitive readings Matrix Section Replacement PartsConfiguration Identifier Replacement Parts Model NGA2000 TO2 Return of Material Customer ServiceRosemount Analytical Inc Customer Service Center Section Return of Material Model NGA2000 TO2 Section Appendix A. Menu Structure NGA TO2 Menu Structure IntroductionNGA TO2 Analyzer Module Menus Model NGA2000 TO2 Model NGA2000 TO2 Model NGA2000 TO2 Model NGA2000 TO2 Model NGA2000 TO2 Section Appendix B. User Interface Help Menu ItemsPath Model NGA2000 TO2 Section Index Model NGA2000 TO2 Warranty Emerson Process Management Rosemount Analytical Inc