Emerson 4500 manual Alarm Level Verification Process Alerts

Page 30

Rosemount 4500

Reference Manual

00809-0100-4027, Rev AA December 2005

Alarm Level Verification

Process Alerts

Fast Keys

1, 4, 3, 5

 

 

If the transmitter electronics board, Transmitter, or LCD display is repaired or replaced, verify the transmitter alarm level before returning the transmitter to service. This feature is also useful in testing the reaction of the control system to a transmitter in an alarm state. To verify the transmitter alarm values, perform a loop test and set the transmitter output to the alarm value (see Tables 3-1and 3-2on page 3-12,and “Loop Test” on page 3-19).

Process alerts allow the user to configure the transmitter to output a HART message when the configured data point is exceeded. Process alerts can be set for pressure, temperature, or both. A process alert will be transmitted continuously if the pressure or temperature set points are exceeded and the alert mode is ON. An alert will be displayed on a HART Communicator, AMS status screen or in the error section of the LCD display. The alert will reset once the value returns within range.

NOTE

HI alert value must be higher than the LO alert value. Both alert values must be within the pressure or temperature sensor limits.

HART Communicator

To configure the process alerts with a HART Communicator, perform the following procedure:

1.From the HOME screen, follow the fast key sequence for “Process Alerts.”

2.Select 3, “Config Press Alert” to configure the pressure alert. Select 4, “Config Temp Alert” to configure the temperature alerts.

3.Use the right arrow key to configure the HI and LO alert values.

4.Use the left arrow to move back to the process alert menu. Select 1, “Press Alert Mode” to turn on the pressure alert mode. Select 2, “Temp Alert Mode” to turn on the temperature alert mode.

AMS

Right click on the device and select “Configuration Properties” from the menu.

1.In the “Analog Output” tab, locate the “Configuration Pressure Alerts” box, enter “Press Hi Alert Val” and “Press Lo Alert Val” to configure the pressure alerts.

2.Configure “Press Alert Mode” to “ON” or “OFF” using the drop down menu.

3.In the “Configuration Temperature Alerts” box, enter “Temp Hi Alert Val” and “Temp Lo Alert Val” to configure the temperature alerts.

4.Configure “Temp Alert Mode” to “ON” or “OFF” using the drop down menu and click Apply.

5.An “Apply Parameter Modification” screen appears, enter desired information and click OK.

6.After carefully reading the warning provided, select OK.

3-14

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Contents Reference Manual Page Rosemount 4500 Hygienic Pressure Transmitter Page Table of Contents Operation Maintenance SectionUsing this Manual Section IntroductionService Support Section Installation Overview Safety MessagesConsiderations GeneralEnvironmental Hart Installation Flowchart Installation Procedures Mount the TransmitterSet Switches LCD Switches LOI SwitchesConfigure Alarm Direction AMSConnect Wiring and Power Up Hart Terminal BlocksInstalling the LCD Meter GroundingSection Configuration Setting the Loop to Manual Commissioning on the Bench with HartWiring Diagrams Hart Communicator Menu TreeFast Key Sequence Function Hart Fast Key SequenceReview Configuration Data Sensor Temperature Check OutputProcess Variables Basic Setup Set Process Variable UnitsRerange Fast Keys 3, 1 Damping LCD Display Detailed Setup Failure Mode Alarm and SaturationAlarm and Saturation Level Configuration Alarm and Saturation Levels for Burst Mode Alarm and Saturation Values for Multidrop ModeAlarm Level Verification Process Alerts Scaled Variable Configuration Rosemount Re-mapping Sensor Temperature Unit Diagnostics ServiceTransmitter Test Loop Test Saving, Recalling, Cloning Configuration Data Advanced Functions for Hart ProtocolRosemount Burst Mode Multidrop Communication Changing a Transmitter Address Communicating with a Multidropped TransmitterPolling a Multidropped Transmitter Operation and Maintenance Overview Calibration for Hart ProtocolCalibration Overview Transmitter Data Flow with Calibration Options Calculate total probable error TPE Determining Calibration FrequencyChoosing a Trim Procedure Sensor Trim Zero Trim Full TrimRecall Factory Trim Recall Factory Trim- Sensor Trim Recall Factory Trim- Analog Output Analog Output Trim Digital-to-Analog TrimDigital-to-Analog Trim Using Other Scale Diagnostic Messages Fail ModuleNonpv Limit Stuck KEY Troubleshooting Symptom Corrective Actions Specifications Performance SpecificationsAppendix a Reference Data Functional Specifications 00809-0100-4027, Rev AA December Range and Sensor LimitsRosemount Physical Specifications Dimensional Drawings 11/2 inch Tri-Clamp ModuleInch Tri-Clamp Module Fractional Line Fitting Module Ordering Information Code Process Connection StyleAppendix B Product Certificates Hazardous Locations Certifications North American CertificationsRosemount Rosemount Index Index-2 Page ¢00809-0100-4027 ¤
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