Emerson TCL Configuring Temperature Related Settings, Program Outputs Alarms Measurement

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MODEL TCL

SECTION 7

 

PROGRAMMING THE ANALYZER

7.6 CONFIGURING TEMPERATURE RELATED SETTINGS

7.6.1 Purpose

This section describes how to do the following:

1.Choose temperature units.

2.Choose automatic or manual temperature correction for membrane permeability (chlorine sensor).

3.Enter a temperature for manual temperature compensation.

7.6.2 Definitions - Chlorine

1.AUTOMATIC TEMPERATURE CORRECTION. The total chlorine sensor is a membrane-covered amperometric sensor. The permeability of the membrane is a function of temperature. As temperature increases, membrane permeability increases. Thus, an increase in temperature will cause the sensor current and the analyzer reading to increase even though the chlorine level remained constant. A correction equation in the analyzer software automatically corrects for changes in membrane permeability. In automatic temperature correction, the analyzer uses the temperature measured by the sensor for the correction.

2.MANUAL TEMPERATURE CORRECTION. In manual temperature correction, the analyzer uses the temper- ature entered by the user for correction. It does not use the actual process temperature. Do NOT use manual temperature correction unless the measurement and calibration temperatures differ by no more than about 2ºC. Manual temperature correction is useful if the sensor temperature element has failed and a replacement sensor is not available.

7.6.3Procedure – Configuring Temperature Related Settings

1.Press MENU. The main menu screen appears. Move the cursor to Program and press ENTER.

Program

Outputs

Alarms

Measurement

Temperature

2.Choose Temperature.

Temperature

Units:Units:C

S1 Temp Comp: Auto

3.The screen summarizes the present sensor configuration. There will be between two and five items. Units and S1 Temp Comp, always appear. If manual temperature compensation was selected, the manual temperature value will also appear. If you have a dual input analyzer, temperature compensation items will appear for the other sensor. Only four items are shown at a time. To view the remaining items, scroll to the bottom of the screen and continue scrolling.

To make a change, move the cursor to the desired line and press ENTER. A screen will appear in which the present setting can be edited. To store a setting, press ENTER.

For an explanation of terms, see sections 7.6.1 and 7.6.2.

4. To return to the main display, press MENU then EXIT.

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Contents Total Chlorine Analyzer Read this page Before Proceeding Electrical Shock HazardPage Hazardous Area Installation Rev. Level DateModel TCL Total Chlorine Analyzer Table of Contents Contd List of TablesList of Figures IiiPage Model TCL Sample Conditioning System Section Description and SpecificationsModel 1056 Chlorine Analyzer Model 499A CL-02 Sensor Sample Requirements GeneralSample Conditioning System Electrolyte Capacity Approximately 25 mL Linearity per ISO 15839 0-10 ppm 2% 0-20 ppm 3%Ordering Information and Accessories Accessories Sample Conditioning SystemDescription Weight Ship Weight DescriptionSchematic of Sample Conditioning System and Analyzer Principles of OperationInstallation InstallationUnpacking and Inspection Panel Mounting Dimensions Wall / Surface Mount Pipe MountInstall the Sample Conditioning Enclosure Install the SensorTCL Case Dimensions Provide Power to the Sample Conditioning System WiringPrepare Analyzer Conduit Openings Power Analog output wiringSensor Wiring Alarm wiringTotal Chlorine Apply Power to the Analyzer and Complete Quick StartEnglish Ppm mg/LTemp Units Menu Tree Zero the Sensor START-UPPrepare the Reagent Start Sample FlowDisplay and Operation DisplayKeypad Outputs Programming the ANALYZER-TUTORIALCalibrate RangeO2 S1 4mA 0.0C O2 S1 20mA 100.0C Output Range O1 S1 4mA 0.000 ppmO1 S1 20mA 08.50 ppm SecurityUsing Hold HoldLanguage English Contrast Configuring the Main DisplayMain Format Format, Language, Warning, and ContrastDefault Settings Programming the AnalyzerDefault Settings Choices Measurement ChlorineTemperature related settings Default SettingsChoices Default Security CodeOutputs First CONFIGURING, RANGING, and Simulating OutputsDefinitions ProgramOutput ConfigureAssign Output Output Range Configure Simulate Output ConfigureProcedure Ranging Outputs O1 S1 20mA 10.00 ppm O2 S1 4mA O2 S1 20mARangeSimulate Configure SimulateConfiguring Alarms and Assigning Setpoints OutputDefinitions Configure/Setpoint AlarmsAlarm Simulate Alarms Configure/SetpointAlarm Simulate Alarm Don’t SimulateConfiguring the Measurement Alarms Configure/Setpoint SimulateSynch Timers Yes Procedure Synchronizing TimersMeasurement Sensor1SensorTemperature Configuring Temperature Related SettingsProgram Outputs Alarms Measurement Temperature UnitsUnitsC S1 Temp Comp AutoSecurity Configuring Security SettingsProgram Alarms Measurement Temperature SecurityReset Analyzer Resetting the AnalyzerProgram Temperature Security Diagnostics Reset AnalyzerDigital Communications HartCalibration Calibrating TemperatureIntroduction Calibrate SensorSensor11 Output Temperature S1 Calibration + 25.0CProcedure S1 CalibrationCalibrating Total Chlorine Determination of Total ChlorineProcedure Zeroing the Sensor Choose Total ChlorineCalibrate? Temperature S1 Calibration ZeroZeroCalCal Process CalS1 Zero Cal Sensor zero failed Press Exit SensorOutput Calibrating Analog OutputsCalibrate? Sensor MA Output Cal Meter 000 mAOutput Trim Complete Maintenance AnalyzerTotal Chlorine Sensor Cleaning the membraneReplacing the membrane and electrolyte solution GeneralSensor Parts Spare Parts Reagent Sample and reagent tubingReplacing Sample Tubing Peristaltic pump tubing Model TCL Replacing the air pump Replacing the air pump diaphragm and check valves Replacement Parts and Reagent for Sample Conditioning System DescriptionFaults Section TroubleshootingUsing the Diagnostic Feature OverviewFault message Explanation Section Troubleshooting When a Fault Message is ShowingHardware Error Sensor Incompatible Sensor CPU ErrorSensor ADC Error Sensor RTD OpenSensor Need Factory Cal Troubleshooting When a Warning Message is ShowingExplanation Section Sensor Negative ReadingZero current is too high Troubleshooting When no Error Message is ShowingProblem See Section Zero current is unstableSensitivity is low or readings are low Readings drift Anod Simulating InputsCath Simulating Temperature Simulating temperatureNON-WARRANTY Repair Warranty RepairSection Return of Material Warranty Return of MaterialSpecifications subject to change without notice

TCL specifications

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