Emerson TCL instruction manual Definitions

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MODEL TCL

SECTION 7

 

PROGRAMMING THE ANALYZER

7.4.2 Definitions

1.ASSIGNING ALARMS. There are four alarms relays. The relays are freely assignable to any sensor and to either the measurement (chlorine) or temperature. Alarm relays can also be assigned to operate as interval timers or as fault alarms. A fault alarm activates when the analyzer detects a fault in either itself or the sensor.

2.FAULT ALARM. A fault condition exits when the analyzer detects a problem with a sensor or with the analyzer itself that is likely to cause seriously erroneous readings. If an alarm was programmed as a fault alarm, the relay will activate. At the same time a fault message will appear in the main display.

3.ALARM LOGIC, SETPOINTS, AND DEAD- BANDS. See Figures 7-1 and 7-2.

4.INTERVAL TIMER. Any alarm relay can be used as an interval timer. Figure 7-3 shows how the timer operates. While the interval timer is operat- ing, the main display, analog output, and alarms for the sensor(s) can be put on hold. During hold, the main display remains at the last value.

5.SYNCHRONIZE TIMER. If two or more relays are being used as interval timers, choosing synchro- nize timers will cause each timer to start one minute later than the preceding timer.

FIGURE 7-1. High alarm logic. The alarm activates when the chlorine concentration exceeds the high set- point. The alarm remains activated until the reading drops below the value determined by the deadband.

FIGURE 7-2. Low alarm logic. The alarm activates when the chlorine concentration drops below the low set- point. The alarm remains activated until the reading increases above the value determined by the deadband.

FIGURE 7-3. Operation of the interval timer. The num- bers in parentheses are the allowed values for each timer parameter.

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Contents Total Chlorine Analyzer Electrical Shock Hazard Read this page Before ProceedingPage Rev. Level Date Hazardous Area InstallationModel TCL Total Chlorine Analyzer List of Tables Table of Contents ContdIii List of FiguresPage Model 1056 Chlorine Analyzer Section Description and SpecificationsModel TCL Sample Conditioning System Model 499A CL-02 Sensor Sample Conditioning System GeneralSample Requirements Linearity per ISO 15839 0-10 ppm 2% 0-20 ppm 3% Electrolyte Capacity Approximately 25 mLAccessories Sample Conditioning System Ordering Information and AccessoriesDescription Description Weight Ship WeightPrinciples of Operation Schematic of Sample Conditioning System and AnalyzerUnpacking and Inspection InstallationInstallation Panel Mounting Dimensions Pipe Mount Wall / Surface MountInstall the Sensor Install the Sample Conditioning EnclosureTCL Case Dimensions Prepare Analyzer Conduit Openings WiringProvide Power to the Sample Conditioning System Analog output wiring PowerAlarm wiring Sensor WiringEnglish Apply Power to the Analyzer and Complete Quick StartTotal Chlorine Ppm mg/LTemp Units Menu Tree Prepare the Reagent START-UPZero the Sensor Start Sample FlowDisplay Display and OperationKeypad Calibrate Programming the ANALYZER-TUTORIALOutputs RangeO1 S1 20mA 08.50 ppm Output Range O1 S1 4mA 0.000 ppmO2 S1 4mA 0.0C O2 S1 20mA 100.0C SecurityHold Using HoldMain Format Configuring the Main DisplayLanguage English Contrast Format, Language, Warning, and ContrastProgramming the Analyzer Default SettingsMeasurement Chlorine Default Settings ChoicesChoices Default Default SettingsTemperature related settings Security CodeDefinitions CONFIGURING, RANGING, and Simulating OutputsOutputs First Assign ConfigureProgramOutput Procedure Ranging Outputs Configure Simulate Output ConfigureOutput Output Range O1 S1 20mA 10.00 ppm O2 S1 4mA O2 S1 20mAConfiguring Alarms and Assigning Setpoints Configure SimulateRangeSimulate OutputDefinitions Alarm AlarmsConfigure/Setpoint Alarm Simulate Alarm Alarms Configure/SetpointSimulate Don’t SimulateSynch Timers Yes Alarms Configure/Setpoint SimulateConfiguring the Measurement Procedure Synchronizing TimersSensor1Sensor MeasurementProgram Outputs Alarms Measurement Configuring Temperature Related SettingsTemperature Temperature UnitsUnitsC S1 Temp Comp AutoProgram Alarms Measurement Temperature Configuring Security SettingsSecurity SecurityProgram Temperature Security Diagnostics Resetting the AnalyzerReset Analyzer Reset AnalyzerHart Digital CommunicationsIntroduction Calibrating TemperatureCalibration Procedure Temperature S1 Calibration + 25.0CCalibrate SensorSensor11 Output S1 CalibrationDetermination of Total Chlorine Calibrating Total ChlorineChoose Total Chlorine Procedure Zeroing the SensorS1 Zero Cal Sensor zero failed Press Exit Temperature S1 Calibration ZeroZeroCalCal Process CalCalibrate? SensorCalibrate? Sensor Calibrating Analog OutputsOutput MA Output Cal Meter 000 mAOutput Trim Complete Analyzer MaintenanceReplacing the membrane and electrolyte solution Cleaning the membraneTotal Chlorine Sensor GeneralSensor Parts Spare Parts Sample and reagent tubing ReagentReplacing Sample Tubing Peristaltic pump tubing Model TCL Replacing the air pump Replacing the air pump diaphragm and check valves Description Replacement Parts and Reagent for Sample Conditioning SystemUsing the Diagnostic Feature Section TroubleshootingFaults OverviewHardware Error Troubleshooting When a Fault Message is ShowingFault message Explanation Section Sensor ADC Error Sensor CPU ErrorSensor Incompatible Sensor RTD OpenExplanation Section Troubleshooting When a Warning Message is ShowingSensor Need Factory Cal Sensor Negative ReadingProblem See Section Troubleshooting When no Error Message is ShowingZero current is too high Zero current is unstableSensitivity is low or readings are low Readings drift Cath Simulating InputsAnod Simulating temperature Simulating TemperatureSection Return of Material Warranty RepairNON-WARRANTY Repair Return of Material WarrantySpecifications subject to change without notice

TCL specifications

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