Emerson 3051N manual Rerange with a Pressure Input Source and a Communicator

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Rosemount 3051N

Reference Manual

00809-0100-4808, Rev CA June 2008

NOTE

If the transmitter security jumper is in the ON position, you will not be able to make adjustments to the zero and span. Refer to Figure 2-1for the appropriate placement of the transmitter security jumper.

Rerange with a Pressure Input Source and a Communicator

HART Comm.	1, 2, 3, 1, 2

Rerange with a Pressure Input Source and the Local Zero and Span Buttons

Reranging using the communicator and a pressure source or process pressure is a way of reranging the transmitter with a pressure input. When specific 4 and 20 mA points are not known process input can be used. This method changes the values of the analog 4 and 20 mA points.

NOTE

When you set the 4 mA point the span is maintained; when you set the 20 mA point the span changes. If you set the lower range point to a value that causes the upper range point to exceed the sensor limit, the upper range point is automatically set to the sensor limit, and the span is adjusted accordingly.

To rerange using the communicator and a pressure source or process pressure, enter the fast-key sequence above, select 2 Apply values, and follow the on-line instructions.

NOTE

If the transmitter security jumper is in the ON position, you will not be able to make adjustments to the zero and span. Refer to Figure 2-1for the appropriate placement of the transmitter security jumper.

Reranging using the local zero and span adjustments (see Figure 2-6)and a pressure source or process pressure is a way of reranging the transmitter with a pressure input and when a communicator is not available. When specific 4 and 20 mA points are not known process input can be used.

NOTE

When you set the 4 mA point the span is maintained; when you set the 20 mA point the span changes. If you set the lower range point to a value that causes the upper range point to exceed the sensor limit, the upper range point is automatically set to the sensor limit, and the span is adjusted accordingly.

2-10

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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 Using this Manual Section IntroductionRosemount 3051N Overview Safety Messages Transmitter FunctionsTransmitter Alarm Level VerificationSecurity Configuring Transmitter Alarm and Security Jumper Procedure Physical Removal Local Zero and Span Local KeysElectronics Board Setting the Loop to Manual Wiring Diagrams Bench Hook-up Wiring Diagrams Field Hook-up Check Output Review Configuration DataProcess Variables Set Process Variable Units Sensor TemperatureBasic Setup Set OutputRerange Rerange with a Communicator OnlyRerange with a Pressure Input Source and a Communicator Span and Zero Adjustment Buttons Detailed Setup Diagnostics ServiceLoop Test Transmitter TestCalibration Transmitter Bench Calibration Tasks Field Calibration Tasks Configure the Analog Output Parameters Calibration OverviewSensor Trim URVZero Trim Typical Zero vs Non-zero-Based Application IllustrationsFull Trim Digital Trim Connection Drawing 4-20 mA TransmittersRecall Factory Trim- Analog Output Digital-to-Analog Trim Using Other ScaleRecall Factory Trim Recall Factory Trim- Sensor Trim 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 Wiring Power Supply Load LimitationsGrounding the Transmitter Case Access Requirements Cover InstallationEnvironmental Considerations Troubleshooting Symptom Corrective Actions Returning Rosemount Products and MaterialsNuclear Specifications SeismicModel Range Code Hydrostatic Test Pressure Reference Accuracy Performance SpecificationsAmbient Temperature Effect12 DriftRange Code Overpressure Effect Power Supply Effect Load Effect Mounting Position EffectOverpressure Effect Static Pressure Effect Range Code Static Pressure Zero Effect1Temperature Limits Functional SpecificationsService OutputRange Minimum Span Upper URL Lower LRL Span and Zero, Zero Elevation, SuppressionRange Code Minimum Time Constant Tc Including Dead Time Td Static Pressure Limits Maximum WorkingPressure12 Overpressure Limits Burst PressurePhysical Specifications Materials of Construction Option Code Description Add Ordering Information Mounting Bracket Options Configuration InformationHousing Material Conduit Entry Size Meters optionalDate On Rosemount 3051N Exploded View with Coplanar Process Flange Rosemount 3051N Rosemount 3051N Overview Safety Messages LCD Meter Section OptionsCustom Meter Configuration Installing the Meter Exploded View of the Rosemount 3051N with Optional LCD MeterRosemount 3051N Diagnostic Messages ErrorPress Limit Operation Mounting BracketsTraditional Flange H2 Transient Protection Terminal Block T1Transient Protection Terminal Block T1 Rosemount 3051N Introduction Safety Messages Appendix a Hart CommunicatorRosemount 3051N Online Menu Function Hart Fast Key Sequence Figure A-3. Rosemount Hart terminal access door Connections and HardwareFigure A-4. Bench Hook-up MA Transmitters Communicator Keys RosemountAction Keys Alphanumeric and Shift Keys Function KeysData Entry Menus Functions Fast Key SequencesFast Key Sequence Conventions Fast Key Sequence Example Main MenuOnline Menu Touch Touch Screen Alphanumeric KeysMultifunction LED 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¤