Emerson 3051N manual Troubleshooting

Page 49

Reference Manual

00809-0100-4808, Rev CA June 2008

Rosemount 3051N

Section 4 Troubleshooting

OVERVIEW

SAFETY MESSAGES

Warnings

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1 Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1 Returning Rosemount Products and Materials . . . . . . . . page 4-2

Table 4-1provides summarized troubleshooting suggestions for the most common operating problems.

If you suspect a malfunction despite the absence of any diagnostic messages on the communicator display, follow the procedures described here to verify that transmitter hardware and process connections are in good working order. Always deal with the most likely and easiest-to-check conditions first.

Procedures and instructions in this section may require special precautions to ensure the safety of the personnel performing the operations. Information that raises potential safety issues is indicated by a warning symbol (). Refer to the following safety messages before performing an operation preceded by this symbol.

Explosions can result in death or serious injury.

•Do not remove the transmitter covers in explosive environments when the circuit is alive.

Static electricity can damage sensitive components.

•Observe safe handling precautions for static-sensitive components.

www.rosemountnuclear.com

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Contents Reference Manual Important Notice -- Errata Rosemount 3051N Return of Material Old Changes from June 2006 to JuneChanges Rosemount 3051N Table of Contents Troubleshooting InstallationSpecifications Reference Data Appendix a OptionsHart Communicator Glossary Index Section Introduction Using this ManualRosemount 3051N Transmitter Functions Overview Safety MessagesTransmitter Alarm Level VerificationSecurity Physical Removal Local Zero and Span Local Keys Configuring Transmitter Alarm and Security Jumper ProcedureElectronics Board Setting the Loop to Manual Wiring Diagrams Bench Hook-up Wiring Diagrams Field Hook-up Check Output Review Configuration DataProcess Variables Basic Setup Sensor TemperatureSet Process Variable Units Set OutputRerange with a Communicator Only RerangeRerange with a Pressure Input Source and a Communicator Span and Zero Adjustment Buttons Diagnostics Service Detailed SetupLoop Test Transmitter TestCalibration Transmitter Bench Calibration Tasks Field Calibration Tasks Calibration Overview Configure the Analog Output ParametersURV Sensor TrimTypical Zero vs Non-zero-Based Application Illustrations Zero TrimDigital Trim Connection Drawing 4-20 mA Transmitters Full TrimRecall Factory Trim Recall Factory Trim- Sensor Trim Digital-to-Analog Trim Using Other ScaleRecall Factory Trim- Analog Output Analog Output TrimZero Effect HTc = URV + S URV Ps Rosemount 3051N Section Installation Rosemount 3051N Typical Installation Flowchart Special Draft Range Considerations General ConsiderationsMechanical Considerations 156 181 16 x 11/4 Bolts for Mounting to 54.1 Transmitter 120 127 66.8 Traditional Flange Option Code H2 Dimensional Drawing Mounting Rosemount 3051N GAS or Liquid Service GAS Service Steam Service Power Supply Process Connections Housing RotationElectrical Considerations Power Supply Load Limitations WiringGrounding the Transmitter Case Access Requirements Cover InstallationEnvironmental Considerations Troubleshooting Returning Rosemount Products and Materials Symptom Corrective ActionsSeismic Nuclear SpecificationsModel Range Code Hydrostatic Test Pressure Ambient Temperature Effect12 Performance SpecificationsReference Accuracy DriftOverpressure Effect Static Pressure Effect Power Supply Effect Load Effect Mounting Position EffectRange Code Overpressure Effect Range Code Static Pressure Zero Effect1Service Functional SpecificationsTemperature Limits OutputRange Minimum Span Upper URL Lower LRL Span and Zero, Zero Elevation, SuppressionRange Code Minimum Time Constant Tc Including Dead Time Td Pressure12 Maximum WorkingStatic Pressure Limits Overpressure Limits Burst PressurePhysical Specifications Materials of Construction Option Code Description Add Ordering Information Housing Material Conduit Entry Size Configuration InformationMounting Bracket Options Meters optionalDate On Rosemount 3051N Exploded View with Coplanar Process Flange Rosemount 3051N Rosemount 3051N Section Options Overview Safety Messages LCD MeterCustom Meter Configuration Exploded View of the Rosemount 3051N with Optional LCD Meter Installing the MeterRosemount 3051N Error Diagnostic MessagesPress Limit Mounting Brackets OperationTransient Protection Terminal Block T1 Traditional Flange H2Transient Protection Terminal Block T1 Rosemount 3051N Appendix a Hart Communicator Introduction Safety MessagesRosemount 3051N Online Menu Function Hart Fast Key Sequence Connections and Hardware Figure A-3. Rosemount Hart terminal access doorFigure A-4. Bench Hook-up MA Transmitters Communicator Keys RosemountAction Keys Alphanumeric and Shift Keys Function KeysData Entry Fast Key Sequence Conventions Fast Key Sequence Example Fast Key SequencesMenus Functions Main MenuOnline Menu Touch Multifunction LED Alphanumeric KeysTouch Screen Multifunction LED Processing IndicationRosemount 3051N Fast Key Sequences Hot Key options Diagnostic MessagesMessage Description Rosemount 3051N Uploadvariable Rosemount 3051N Rosemount 3051N Glossary Smart Family Index 00809-0100-4808, Rev CA June Security Page ¢00809-0100-4801V¤