Emerson 3051N Span and Zero, Zero Elevation, Suppression, Range Minimum Span Upper URL Lower LRL

Page 56

Rosemount 3051N

Reference Manual

00809-0100-4808, Rev CA June 2008

Span and Zero, Zero

Elevation, and

Suppression

Zero and span values can be set anywhere within the range limits stated in Table 5-2and Table 5-3,providing sensor limits are not exceeded.

Span must be greater than or equal to the minimum span stated in Table 5-2and Table 5-3.

Table 5-2. Rosemount 3051ND and 3051NG Range and Sensor Limits

	Minimum Span		Range and Sensor Limits

				Lower (LRL)

Range	Rosemount 3051ND, NG	Upper (URL)	Rosemount 3051ND		Rosemount 3051NG

0	0.1 in H20 (25 Pa)	3.0 in H20 (750 Pa)	-3.0 in H20 (-750 Pa)		NA
1	0.5 in H20 (0,12 kPa)	25 in H20 (6,22 kPa)	-25 in H20 (-6,22 kPa)		NA
2	2.5 in H20 (0,62 kPa)	250 in H20 (62,2 kPa)	-250 in H20 (-62,2 kPa)		-250 in H20 (-62,2 kPa)
3	10 in H20 (2,48 kPa)	1000 in H20 (248 kPa)	-1000 in H20 (-248 kPa)		0.5 psia (3,5 kPa abs)
4	3 psi (20,7 kPa)	300 psi (2 070 kPa)	-300 psi (-2 070 kPa)		0.5 psia (3,5 kPa abs)

5	20 psi (138 kPa)	2000 psi (13 800 kPa)	-2000 psi (-13 800 kPa)		0.5 psia (3,5 kPa abs)

Table 5-3. Rosemount 3051NA Range and Sensor Limits

		Range and Sensor Limits

Range	Minimum Span	Upper (URL)	Lower (LRL)

0	0.167 psia (8,6 mmHga)	5 psia (260 mmHga)	0 psia (0 mmHga)

1	0.3 psia (2,07 kPa abs)	30 psia (206,8 kPa abs)	0 psia (0 kPa abs)

2	1.5 psia (10,34 kPa abs)	150 psia (1 034,2 kPa abs)	0 psia (0 kPa abs)

3	8 psia (55,16 kPa abs)	800 psia (5 515,8 kPa abs)	0 psia (0 kPa abs)

4	40 psia (275,8 kPa abs)	4000 psia (27 580 kPa abs)	0 psia (0 kPa abs)

Humidity Limits

Volumetric Displacement

Turn-on Time

Response Time

0-100% relative humidity

Less than 0.005 in3 (0,08 cm3)

2 seconds maximum

Dead Time (Td)

Maximum dead time before analog output reacts to step change in input = 0.1 seconds

Update Rate

20 times per second minimum

Minimum Time Constant (Tc)

At 70 °F, with minimum damping setting

Range Code

Minimum Time Constant (Tc) Including Dead Time (Td)

0≤ 1.0 seconds

1≤ 0.5 seconds

2 - 5

≤ 0.2 seconds

Adjustable Damping

Time constant on analog output is incrementally adjustable from the minimum values stated above to 25.6 seconds nominal

5-6

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Contents Reference Manual Important Notice -- Errata Rosemount 3051N Return of Material Changes Changes from June 2006 to JuneOld Rosemount 3051N Table of Contents Specifications Reference Data InstallationTroubleshooting Hart Communicator OptionsAppendix a Glossary Index Using this Manual Section IntroductionRosemount 3051N Overview Safety Messages Transmitter FunctionsSecurity Alarm Level VerificationTransmitter 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 Process Variables Review Configuration DataCheck Output Sensor Temperature Basic SetupSet Process Variable Units Set OutputRerange Rerange with a Communicator OnlyRerange with a Pressure Input Source and a Communicator Span and Zero Adjustment Buttons Detailed Setup Diagnostics ServiceCalibration Transmitter TestLoop Test 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 TransmittersDigital-to-Analog Trim Using Other Scale Recall Factory Trim Recall Factory Trim- Sensor TrimRecall Factory Trim- Analog Output Analog Output TrimZero Effect HTc = URV + S URV Ps Rosemount 3051N Section Installation Rosemount 3051N Typical Installation Flowchart Mechanical Considerations General ConsiderationsSpecial Draft Range 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 Electrical Considerations Process Connections Housing RotationPower Supply Wiring Power Supply Load LimitationsEnvironmental Considerations Access Requirements Cover InstallationGrounding the Transmitter Case Troubleshooting Symptom Corrective Actions Returning Rosemount Products and MaterialsNuclear Specifications SeismicModel Range Code Hydrostatic Test Pressure Performance Specifications Ambient Temperature Effect12Reference Accuracy DriftPower Supply Effect Load Effect Mounting Position Effect Overpressure Effect Static Pressure EffectRange Code Overpressure Effect Range Code Static Pressure Zero Effect1Functional Specifications ServiceTemperature Limits OutputRange Code Minimum Time Constant Tc Including Dead Time Td Span and Zero, Zero Elevation, SuppressionRange Minimum Span Upper URL Lower LRL Maximum Working Pressure12Static Pressure Limits Overpressure Limits Burst PressurePhysical Specifications Materials of Construction Option Code Description Add Ordering Information Configuration Information Housing Material Conduit Entry SizeMounting Bracket Options 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 Action Keys RosemountCommunicator Keys Data Entry Function KeysAlphanumeric and Shift Keys Fast Key Sequences Fast Key Sequence Conventions Fast Key Sequence ExampleMenus Functions Main MenuOnline Menu Touch Alphanumeric Keys Multifunction LEDTouch Screen Multifunction LED Processing IndicationRosemount 3051N Message Description Diagnostic MessagesFast Key Sequences Hot Key options Rosemount 3051N Uploadvariable Rosemount 3051N Rosemount 3051N Glossary Smart Family Index 00809-0100-4808, Rev CA June Security Page ¢00809-0100-4801V¤