Emerson Process Management 53eA instruction manual Low Alarm, High Alarm

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MODEL 54eA	SECTION 5.0
	SOFTWARE CONFIGURATION

5.7 CHANGING ALARM PARAMETERS (continued)

FIGURE 5-2. Low Alarm		FIGURE 5-3. High Alarm

9.Alarm setup for TPC alarms:

a. Move the cursor to the desired alarm setup and press Enter (F4).

Alarm 1 control

Alarm 1 setup

Alarm 2 control

ExitEnter

Setpoint : 1.000 ppm

Proportional: 100.0%

Integral: 0 sec

ExitEdit

b.Use the é and ê keys to move the cursor to the desired param- eter. Press Edit (F4). Use the arrow keys to change the setting to the desired value and press Save (F4) to store the value

Setpoint: Setpoint is the usually the value to which the process is to be controlled. The alarm will not be on much when the process is at the setpoint value.

Proportional: Proportional is the same as proportional band and is the range over which control is being used. It is the opposite of process gain. Smaller values provide tighter control.

Integral: Integral is the number of seconds over which deviations from the setpoint are integrated to remove continuing offsets. Smaller values provide higher response.

Derivative: Derivative is a form of control that resists all changes in readings. Higher readings increase the derivative function. To prevent process oscillation, use caution in setting the derivative value.

Time period: Time period is the cycle time for TPC control. One cycle consists of an energized (relay on) time and a deenergized (relay off) time.

URV: URV is the deviation from the setpoint that results in the alarm being on all the time.

LRV: LRV is the deviation from the setpoint that results in the alarm being off all the time. The LRV should be set to 0.00.

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Contents Amperometric Hart Analyzer/Controller Model 54eAEssential Instructions Page Model 54eA ANALYZER/CONTROLLER 11.0 10.012.0 13.0Iii List of FiguresSection Title Features and Applications Section SpecificationsPower Specifications GeneralOutput Accuracy ± 0.05 mA Alarms Weight/Shipping Weight 5 lb/6 lb 2 kg/2.5 kgSpecifications Free Chlorine Specifications OxygenSpecifications Total Chlorine Specifications Ozone24 VDC 115/230 VAC, 50/60 Hz PowerOrdering Information Unpacking and Inspection Section InstallationInstallation Pipe mounting Pipe and Wall Mounting DimensionsPanel mounting Panel Mounting DimensionsGeneral Section WiringPOWER, ALARM, and Output Wiring 454EPH02 General Sensor WiringWiring Model 499A oxygen, chlorine, and ozone sensors 4054eA01 4054eA03 4054eA02 4054eA04 4054eA07 Section Display and Operation Alarm StatusGeneral Description DisplayProgram Settings List Section Software ConfigurationChoices Factory Settings Configure Choices Factory Settings Temperature compensation Section Menu Tree for the 54eA Controller Main Menu Main Alarm 2 setpoint Alarm setpointsRanging the Outputs MA 0.00 ppm 20 mA 20.00 ppm Output 1 12.00 mAOutput setpoints Alarm setpointsSimulated test Setpoint 1.000 ppm 4mA 0.000 ppm 20mA 10.00 ppmTest output Test alarm 1 OpenSimulated tests Display ConfigureLanguage English Display left Display right Out Display contrast Timeout OnTemp units C Output 1 mA Output 2 mA Output Measurement OutputsOutput 1 control Output 1 Setup Ctrl mode NormalOutput 1 Control Range 4-20 mA Dampen 0 sec Hold Last ValueUsing hold Hold setupAlways configure the control parameters Before making Changing Alarm ParametersChanges in the alarm setup Alarm Control SettingsAlarm 1 setup Alarm 1 controlAlarm 2 control Alarm Low Setpoint 0.000 ppmHigh Alarm Low AlarmFeed limit Disable Alarm FaultTimeout 3600 sec Feed limit timer setupInterval timer Alarm 4 setup Feed limit timerTimer Disable Timer Time activated Interval 24.0 hr Interval timer setupPH sensor Disable PH sensor EnableUsing the 499ACL-01 sensor PH comp Manual PH value 7.00 pHAutocal Standard Diagnostics OffGlass imp lo 20 MΩ Operate iso 7.00 pH Sensor iso 7.00 pH Temp coeffTemp comp Auto Temperature Compensation and Temperature UnitsTemp units C Temp comp Manual Temp units CNoise Reduction 60 HzMain sensor cal Barometric Pressure Bar meas AutoBar units mm Hg Noise rejection Main sensor cal Lock program Lock configSecurity Lock allAction Definitions Controller Mode PriorityCondition Definitions Introduction Section Calibration TemperatureTemperature Calibration Adjust temp + 025.1 CDissolved Oxygen Concentration Section Calibration Dissolved OxygenZeroing the Sensor Sensor must be in zero solutionCalibrating the Sensor in AIR Stabilizing . . . WaitSection Calibrating the Sensor Against a Standard Instrument Calibrate 8.32 ppmCalibrate main sensor Zero main sensor Adjust temperatureStandardize Calibrating Barometric PressureSensor Current as a Function of Free Chlorine Concentration Section Calibration Free Chlorine 499ACL-01Calibrate main sensor Full Scale Calibration Calibrate 1.100 ppmOutput trim Dual range calCalibrate low point Dual Slope CalibrationCalibrate high point Low point 2.000 ppmIntroduction Section Calibration Free Chlorine 498CL-01Ppm 100ppm 000 ppm Section Calibration Free Chlorine 498CL-01 Section Calibration Total Chlorine This page intentionally left blank Sensor Current as a Function of Monochloramine Concentration Section Calibration MonochloraminePpm 100ppm Sensor Current as a Function of Ozone Concentration Section Calibration OzonePpm 100ppm PH at 25C Standards Nominal pH SectionAutomatic TWO-POINT Calibration Autocal buffer10.02 pH Manual TWO-POINT Calibration Calibrate pointPt 04.00pH 25C Pt 4.00pH 25.0C 10.01 pHPt calibration Standardize pH pH slope Standardization ONE-POINT CalibrationPH slope 60.00 mV/pH Trimming the Outputs Section Calibration Current OutputsPID Control Code Section PID and TPC ControlProcess Reaction Curve Method Proportional Gain Plus Integral ResetControl Loop Adjustment and Tuning Process Reaction Curve Section Time Proportional Control TPC Mode Code Troubleshooting When a Fault Message is Showing Section TroubleshootingFault message Explanation See Section OverviewHigh input current Temperature error low or highCheck sensor zero PH low or high input voltageProblem See Section Troubleshooting When no Fault Message is Showing OxygenSense line open Failure factory and Failure eepromZero reading Is unstable Possible error warning during in-process calibrationZero current is too high Process readings are erratic Barometric pressure reading is too high or too lowReadings drift Sensor does not respond to changes in oxygen levelZero current is unstable ProblemSensor can be calibrated, but the current is too low Chlorine readings are too low Sensor does not respond to changes in chlorine levelProblem See Section Sensor does not respond to changes in monochloramine level Readings are too low Troubleshooting When no Fault Message is Showing Ozone Ozone readings are too low Sensor does not respond to changes in ozone levelTroubleshooting When no Fault Message is Showing pH 100 Controller will not accept manual slopeSensor does not respond to known pH changes 101 Process pH readings are noisyProblem Action Troubleshooting not Related to Measurement ProblemsSimulating Inputs Dissolved Oxygen Sensor Polarizing Voltage Resistance Expected currentSimulate Chlorine and Ozone 103 Simulating Inputs Other Amperometric Measurements104 Simulating pH input when the preamplifier is in the sensorVoltage mV PH at 25C 105 Simulating TemperatureSimulating temperature 106 Measuring Reference VoltageReplacement Parts Part Number Description Section MaintenanceGeneral Section Return of MaterialWarranty Specifications subject to change without notice