Rosemount™ 3051S Series Scalable™ Pressure,
Flow, and Level Solution
with HART® Protocol
Safety messages
NOTICE
Read this manual before working with the product. For personal and system safety, and for optimum product
performance, make sure you thoroughly understand the contents before installing, using, or maintaining this product.
See listed technical assistance contacts.
Customer Central
Technical support, quoting, and order-related questions.
United States - 1-800-999-9307 (7:00 am to 7:00 pm CST)
Asia Pacific- 65 777 211
Europe/ Middle East/Africa - 49 (8153) 9390
North American Response Center
Equipment service needs.
1-800-654-7768 (24 hours—includes Canada)
Outside of these areas, contact your local Emerson representative.
CAUTION
The products described in this document are NOT designed for nuclear-qualified applications.
Using non-nuclear qualified products in applications that require nuclear-qualified hardware or products may cause inaccurate
readings.
For information on Rosemount nuclear-qualified products, contact your local Emerson Sales Representative.
WARNING
Explosions can result in death or serious injury.
Do not remove the transmitter covers in explosive environments when the circuit is live.
Fully engage both transmitter covers to meet explosion-proof requirements.
Before connecting a communicator in an explosive atmosphere, make sure the instruments in the loop are installed in accordance
with intrinsically safe or non-incendive field wiring practices.
Verify the operating atmosphere of the transmitter is consistent with the appropriate hazardous locations certifications.
Electrical shock could cause death or serious injury.
Avoid contact with the leads and terminals.
Process leaks could result in death or serious injury.
Install and tighten all four flange bolts before applying pressure.
Do not attempt to loosen or remove flange bolts while the transmitter is in service.
Replacement equipment or spare parts not approved by Emerson or use as spare parts could reduce the pressure retaining
capabilities of the transmitter and may render the instrument dangerous.
Use only bolts supplied or sold by Emerson as spare parts.
Improper assembly of manifolds to traditional flange can damage SuperModule™ Platform.
For safe assembly of manifold to traditional flange, bolts must break back plane of flange web (i.e., bolt hole) but must not contact
sensor module housing.
2
WARNING
SuperModule and electronics housing must have equivalent approval labeling in order to maintain hazardous location
approvals.
When upgrading, verify SuperModule and electronics housing certifications are equivalent. Differences in temperature class
ratings may exist, in which case the complete assembly takes the lowest of the individual component temperature classes (for
example, a T4/T5 rated electronics housing assembled to a T4 rated SuperModule is a T4 rated transmitter.)
Severe changes in the electrical loop may inhibit HART® Communication or the ability to reach alarm values. Therefore, Emerson
cannot absolutely warrant or guarantee that the correct failure alarm level (HIGH or LOW) can be read by the host system at the
time of annunciation.
Physical access
Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end users’ equipment. This could
be intentional or unintentional and needs to be protected against.
Physical security is an important part of any security program and fundamental to protecting your system. Restrict physical access
by unauthorized personnel to protect end users’ assets. This is true for all systems used within the facility.
A.2 Ordering Information, Specifications, and Drawings................................................................159
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Reference ManualIntroduction
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1Introduction
1.1Using this manual
The sections in this manual provide information on installing, operating, and maintaining
the Rosemount 3051S Pressure Transmitter with HART® Protocol. The sections are
organized as follows:
• Section 1: Introduction provides an introduction to the pressure transmitter, how to
use the manual, models covered by this manual, and other support information for the
transmitter.
• Configuration provides instruction on commissioning and operating Rosemount 3051S
transmitters from a bench computer or a hand held field device. Information on
software functions, configuration parameters, and on line variables are also included.
• Installation contains instructions for mounting the transmitter, connecting it to the
process, and wiring the transmitter.
• Operation and maintenance contains techniques to maintain the transmitter, and
disassembly/assembly directions.
• Troubleshooting provides troubleshooting techniques for the most common operating
issues.
• Section 6: Safety Instrumented Systems contains identification, commissioning,
maintenance, and operations information for the Rosemount 3051S SIS Safety
Transmitter.
• Section 7: Advanced HART® Diagnostic Suite contains procedures for installation,
configuration, and operation of the Rosemount 3051S HART Diagnostics option.
• Reference data supplies links to updated specifications, ordering information, intrinsic
safety approval information, European ATEX directive information, and approval
drawings.
For transmitter with FOUNDATION™ Fieldbus, see Rosemount 3051S Reference Manual.
1.2Models covered
The following transmitters and the Rosemount 300S Housing Kit are covered in this
manual.
The Rosemount 3051S provides a wide range of applications, and many of these different
applications have their own reference manuals. This manual covers the Rosemount 3051S
HART®, Advanced Diagnostics, and Safety Instrumented Systems (SIS).
Table 1-5: Rosemount 3051S Transmitter with FOUNDATION Fieldbus Diagnostics
Transmitter
Performance classMeasurement type
DifferentialGaugeAbsolute
UltraXXX
Ultra for FlowXN/AN/A
ClassicXXX
For information on other Rosemount 3051S transmitters, refer to the following reference
manuals:
• Rosemount 3051S FOUNDATION Fieldbus Reference Manual
• Rosemount 3051S Wireless Reference Manual
• Rosemount 3051S Electronic Remote Sensor (ERS™) System Reference Manual
• Rosemount 3051S MultiVariable™ Reference Manual
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Reference ManualIntroduction
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Rosemount 300S Scalable Housing Kits
Kits are available for all models of Rosemount 3051S Pressure Transmitters.
1.3Product recycling/disposal
Recycling of equipment and packaging should be taken into consideration and disposed of
in accordance with local and national legislation/regulations.
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2Configuration
2.1Overview
This section contains information on commissioning and tasks that should be performed
on the bench prior to installation.
Instructions for performing configuration functions are given for handheld
communication devices like the Field Communicator or asset management software like
Emerson's AMS Device Manager. For convenience, Field Communicator Fast Key
sequences (where supported) are labeled “Fast Keys” for each software function below the
appropriate headings.
2.1.1
Example software function
The Device Dashboard Fast Keys apply to Device Driver Revision 9 or newer. The HART® 5
with Diagnostics Fast Keys apply to Device Driver Revision 1. The HART 7 Fast Keys apply
to Device Driver Revision 2. Contact Emerson™ or refer to previous reference manuals for
information on older revisions.
Device Dashboard Fast Keys
HART 5 with Diagnostics Fast Keys1, 2, 3, etc.
HART 7 Fast Keys1, 2, 3, etc.
2.1.2Safety messages
WARNING
Explosions could result in death or serious injury.
Installation of this transmitter in an explosive environment must be in accordance with
the appropriate local, national, and international standards, codes, and practices.
Before connecting a handheld communicator in an explosive atmosphere, ensure that
the instruments in the loop are installed in accordance with intrinsically safe or nonincendive field wiring practices.
In an explosion-proof/flameproof installation, do not remove the transmitter covers
when power is applied to the unit.
1, 2, 3, etc.
WARNING
Electrical shock could cause death or serious injury.
Avoid contact with the leads and terminals. High voltage that may be present on leads can
cause electrical shock.
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2.2Commissioning on the bench
Commissioning consists of testing the transmitter and verifying transmitter configuration
data. Rosemount™ 3051S Pressure Transmitters can be commissioned either before or
after installation. Commissioning the transmitter on the bench before installation using a
Field Communicator or AMS Device Manager ensures all transmitter components are in
working order.
Equipment required to commission on the bench includes a power supply, a milliamp
meter, and a Field Communicator or AMS Device Manager. Wire the equipment as shown
in Figure 2-1. Verify transmitter terminal voltage is between 10.5–42.4 Vdc. To ensure
successful communication, a resistance of at least 250 ohms must be present between the
Field Communicator loop connection and the power supply. Connect the Field
Communicator leads to the terminals labeled “PWR/COMM” on the terminal block.
(Connecting across the “TEST” terminals will prevent successful communication.)
Set all transmitter hardware adjustments during commissioning to avoid exposing the
transmitter electronics to the plant environment after installation. Refer to .
When using a Field Communicator, any configuration changes made must be sent to the
transmitter by using the Send key. AMS Device Manager configuration changes are
implemented when the Apply button is selected.
2.2.1
2.2.2
Setting the loop to manual
Whenever sending or requesting data that would disrupt the loop or change the output of
the transmitter, set the process application loop to manual. The Field Communicator or
AMS Device Manager will prompt you to set the loop to manual when necessary.
Acknowledging this prompt does not set the loop to manual. The prompt is only a
reminder; set the loop to manual as a separate operation.
Wiring diagrams
Bench hook-up
Connect the bench equipment as shown in Figure Figure 2-1, and turn on the Field
Communicator or log into AMS Device Manager. The Field Communicator or AMS Device
Manager will search for a HART™-compatible device and indicate when the connection is
made. If the Field Communicator or AMS Device Manager fail to connect, it indicates that
no device was found. If this occurs, refer to Troubleshooting.
Field hook-up
Figure Figure 2-1 illustrate wiring loops for a field hook-up with a Field Communicator or
AMS Device Manager. The Field Communicator or AMS Device Manager may be connected
at “PWR/COMM” on the transmitter terminal block, across the load resistor, or at any
termination point in the signal loop. Signal point may be grounded at any point or left
ungrounded.
12Emerson.com/RosemountEmerson.com/Rosemount
A
B
SAVE
3051S DIAG: HDT 93207
Online
1 Overview
2 Configure
3 Service Tools
Reference ManualConfiguration
00809-0100-4801June 2021
Figure 2-1: Typical Wiring (4–20 mA)
A. Power supply
B. RL ≥ 250Ω
2.3Field Communicator
2.3.1
For convenience, Field Communicator Fast Key sequences are labeled Fast Keys for each
software function below the appropriate headings. The Device Dashboard Fast Keys apply
to Device Driver Revision 9 or newer. The HART 5 with Diagnostics Fast Keys apply to
Device Driver Revision 1. The HART 7 Fast Keys apply to Device Driver Revision 2.
Field Communicator user interface
Figure 2-2: HART 5 with Diagnostics Dashboard
Note
The corresponding menu tree is shown in Figure 2-3. The Fast Key sequence can be viewed
on Device Dashboard Fast Key sequence.
13
Home
Overview
1 Device Status
2 Comm Status
3 Pressure
4 PV Loop Current
5 Pressure URV
6 Pressure LRV
7 Device Information
Device Information
1 Identification
2 Revisions
3 Material of Construction
4 RS Material of Construction
5 Analog Alarm
6 Security
Identification
1 Tag
2 Model
3 Transmitter S/N
4 Date
5 Description
6 Message
7 Model Number 1
8 Model Number 2
9 Model Number 3
1 Module Configuration
2 Sensor Range
3 Upper Sensor Limit
4 Lower Sensor Limit
5 Isolator Materials
6 Fill Fluid
7 Process Connection
8 Process Connection Material
9 O-Ring Material
10 Drain Vent Material
RS Material of Construction
1 # of Remote Seals
2 RS Seal Type
3 RS Fill Fluid
4 RS Isolator Material
Analog Alarm
1 Alarm Direction
2 High Alarm
3 High Saturation
4 Low Saturation
5 Low Alarm
Security
1 Write Protect Status
2 Local Zero/Span
1 Overview
2 Configure
3 Service Tools
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2.4Field Communicator menu trees
Device Dashboard menu tree
Figure 2-3: Overview
14Emerson.com/RosemountEmerson.com/Rosemount
Home
1 Overview
2 Configure
3 Service Tools
1 Pressure Alert
2 Temperature Alert
Alert Setup
Configure
1 Guided Setup
2 Manual Setup
3 Alert Setup
Pressure Alert
1 Alert Mode
2 High Alert Value
3 Low Alert Value
Temperature Alert
1 Alert Mode
2 High Alert Value
3 Low Alert Value
Guided Setup
1 Basic Setup
2 Zero
3 Configure Display
4 Variable Mapping
5 Configure Alarm and Sat levels
6 Process Alerts
7 Scaled Variable
Manual Setup
1 Basic Setup
2 Scaled Variable
3 Display
4 HART
5 Device Information
6 Materials of Construction
7 Security
Basic Setup
1 Tag
2 Unit
3 Range Values
4 Transfer Function
5 Pressure Damping
6 Module Temperature Units
7 Configure Alarm and Sat Levels
8 Range by Applying Pressure
Scaled Variable
1 SV Data Points
2 SV Units
3 SV Transfer Function
4 SV Linear Offset
5 SV Config
Display
1 Pressure
2 Scaled Variable
3 Module Temperature
4 Percent of Range
1 Most Recent Status Event
2 View Other Status Events
3 Total Operating Time
4 Clear Log
Pressure Variable Logging
1 Pressure Variable Log
2 Time Outside Sensor Limits
3 Pressure
4 Total Operating Time
5 Reset All Pressure Events
Temperature Variable Logging
1 Temperature Variable Log
2 Time Outside Sensor Limits
3 Module Temperature
4 Total Operating Time
5 Reset All Temperature Events
Sensor Calibration
1 Upper Sensor Trim
2 Lower Sensor Trim
3 Zero
Range Values
1 Upper Range value (20 mA)
2 Lower Range Value (4 mA)
Current Measurement
1 Pressure
2 Damping
3 Transfer Function
Last Calibration Points
1 Upper
2 Lower
Sensor Limits
1 Upper
2 Lower
3 Minimum Span
SPM Status (cont.)
1 SPM Insufficient Variability
2 SPM Low Pressure Status
Most Recent Status Event
1 Event 1 - Time since
View Other Status Events
1 Event 2 - Time since
2 Event 3 - Time since
3 Event 4 - Time since
4 Event 5 - Time since
5 Event 6 - Time since
6 Event 7 - Time since
7 Event 8 - Time since
8 Event 9 - Time since
9 Event 10 - Time since
Pressure Variable Log
1 Minimum Pressure
2 Time Since Minimum Event
3 Reset Minimum
4 Maximum Pressure
5 Time Since Maximum Event
6 Reset Maximum
Time Outside Sensor Limits
1 Above Upper Sensor Limit
2 Below Lower Sensor Limit
3 Reset Time Since 1st Events
Temperature Variable Log
1 Minimum Temperature
2 Time Since Minimum Event
3 Reset Minimum
4 Maximum Temperature
5 Time Since Maximum Event
6 Reset Maximum
Time Outside Sensor Limits
1 Above Upper Sensor Limit
2 Below Lower Sensor Limit
3 Reset Time Since 1st Events
General
1 Tag
2 Model
3 Date
4 Descriptor
5 Message
6 Serial Number
Model Numbers
1 Model Number 1
2 Model Number 2
3 Model Number 3
1 Process Variables
2 Analog Output
3 Scaled Variable
4 Display Options
5 HART
6 Security
7 Device Information
Initial Setup
1 Basic Setup
2 Zero Trim
Diagnostics Setup
1 Statistical Process Monitoring
2 Power Advisory
3 Process Alerts
4 Service Alert
Optional Configuration
1 Configure Display
2 Configure Burst Mode
Basic Setup
1 Device Tagging
2 Units of Measure
3 Pressure Damping
4 Variable Mapping
5 Analog Output
6
Config Alarm & Saturation Levels
Display Options
1 Pressure: On or Off
2 Scaled Variable: On or Off
3 Module Temperature: On or Off
4 Percent of Range: On or Off
5 Standard Deviation: On or Off
6 Mean: On or Off
7 Coefficient of Variation: On or Off
Process Variables
1 Pressure Setup
2 Module Temperature Setup
Analog Output
1 Set Range Points
2 Set Range Points Manually
3 Sensor Limits
4 Readings
5 Alarm and Saturation Levels
Pressure Setup
1 Pressure
2 Units
3 Damping
4 Transfer Function
Module Temperature Setup
1 Module Temperature
2 Units
Set Range Points
1 PV Upper Range Value
2 PV Lower Range Value
3 Primary Variable
Set Range Points Manually
1 Range By Applying Pressure
Sensor Limits
1 Upper
2 Lower
3 Minimum Span
Readings
1 Analog Output
2 Percent of Range
Alarm and Saturation Levels
1 Alarm Direction
2 High Alarm
3 High Saturation
4 Low Saturation
5 Low Alarm
6 Config Alarm & Saturation Levels
Scaled Variable Setup
1 Scaled Variable
2 Units
3 Transfer Function
4 Linear Options*
5 Configure Scaled Variable
*If Square Root is selected for Transfer Function,
"Square Root Options"
Linear Options
1 Offset
Square Root Options
1 Cutoff Mode
2 Low Flow Cutoff
Display
1 Display Options
Display Options
1 Pressure: On or Off
2 Scaled Variable: On or Off
3 Module Temperature: On or Off
4 Percent of Range: On or Off
5 Standard Deviation: On or Off
6 Mean: On or Off
7 Coefficient of Variation: On or Off
HART
1 Variable Mapping
2 Burst Mode Configuration
3 Communication Settings
1 Upper Sensor Trim
2 Lower Sensor Trim
3 Zero
4 Last Calibration Points
5 Sensor Limits
Last Calibration Points
1 Upper Calibration Point
2 Lower Calibration Point
Sensor Limits
1 Upper
2 Lower
3 Minimum Span
ConfigurationReference Manual
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Figure 2-9: Service Tools
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HART 7 menu trees
Figure 2-10: Overview
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ConfigurationReference Manual
June 202100809-0100-4801
Figure 2-11: Configure (Guided Setup and Manual Setup)
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Figure 2-12: Configure (Alert Setup)
23
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June 202100809-0100-4801
Figure 2-13: Service Tools
Device Dashboard Fast Key sequence
The following menu indicates Fast Key sequences for common functions. A check (✓)
indicates the basic configuration parameters. At minimum, these parameters should be
verified as part of the configuration and startup procedure.
FunctionFast Key sequence
Alarm and Saturation Levels1, 4, 5
Alarm Level Configuration1, 7, 5
Analog Output Alarm Direction1, 7, 5, 1
Burst Mode Control2, 2, 4, 3
Burst Option2, 2, 4, 4
Custom Display Configuration2, 1, 3
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FunctionFast Key sequence
✓Damping2, 2, 1, 5
Date2, 2, 5, 4
Descriptor2, 2, 5, 5
Digital to Analog Trim (4 - 20 mA Output)3, 4, 2
Disable Zero & Span Adjustment2, 2, 7, 2
Field Device Information1, 7
LCD Display Configuration2, 2, 3
Loop Test3, 5, 1
Lower Sensor Trim3, 4, 1, 2
Message2, 2, 5, 6
Module Temperature/Trend3, 3, 3
Poll Address1, 2, 2
Pressure Alert Configuration2, 3, 1
Range Values2, 2, 1, 3
Re-mapping2, 2, 4, 1
Rerange - Keypad Input1, 5
Rerange with Keypad2, 2, 1, 3
Saturation Level Configuration2, 2, 1, 7
Scaled D/A Trim (4–20 mA Output)3, 4, 2
Scaled Variable Configuration2, 2, 2
Sensor Information (Materials of Construction)1, 7, 3
Sensor Trim3, 4, 1
Sensor Trim Points3, 4, 1, 4
✓Tag2, 2, 5, 1
Temperature Alert Configuration2, 3, 2
✓Transfer Function (Setting Output Type)2, 2, 1, 4
Transmitter Security (Write Protect)2, 2, 7, 1
✓Units (Process Variable)2, 2, 1, 2
Upper Sensor Trim3, 4, 1, 1
Zero Trim3, 4, 1, 3
HART 5 with Diagnostics Fast Key sequence
The following menu indicates Fast Key sequences for common functions. A check (✓)
indicates the basic configuration parameters. At minimum, these parameters should be
verified as part of the configuration and startup procedure.
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FunctionFast Key sequence
Alarm and Saturation Levels2, 2, 2, 5
Alarm Level Configuration2, 1, 1, 1, 6
Analog Output Alarm Direction2, 2, 2, 5, 5, 1
Burst Mode On/Off2, 2, 5, 2, 1
Burst Option2, 2, 5, 2, 2
Damping2, 2, 1, 1, 3
Date2, 2, 7, 1, 3
Descriptor2, 2, 7, 1, 4
Digital to Analog Trim (4–20 mA Output)3, 4, 1, 2, 3
Field Device Information1, 3, 5
LCD Display Configuration2, 2, 4
Loop Test3, 5
Lower Sensor Trim3, 4, 1, 1, 1, 2
Message2, 2, 7, 1, 5
Module Temperature2, 2, 1, 2
Poll Address2, 2, 5, 3, 1
Pressure Alert Configuration2, 3, 4, 1, 3
Range Values3, 4, 1, 1, 2
Re-mapping2, 2, 5, 1
Rerange - Keypad Input2, 2, 2, 1
Rerange with Pressure Source2, 2, 2, 2
Saturation Level Configuration2, 1, 1, 1, 6
Scaled Variable Configuration2, 2, 3, 5
Sensor Information1, 3, 5, 4, 1
Sensor Trim Points1, 3, 1, 1, 4
✓Tag2, 2, 7, 1, 1
Temperature Alert Configuration2, 3, 4, 2, 3
✓Transfer Function (Setting Output Type)2, 2, 1, 1, 4
Transmitter Security (Write Protect)1, 3, 5, 5, 6
✓Units (Process Variable)2, 2, 1, 1, 2
Upper Sensor Trim3, 4, 1, 1, 1, 1
Zero Trim3, 4, 1, 1, 1, 3
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HART 7 Fast Key sequence
FunctionFast Key sequence
Alarm and Saturation Levels2, 2, 2, 5
Alarm Level Configuration2, 2, 2, 5, 6
Analog Output Alarm Direction2, 2, 2, 5, 1
Burst Mode Control2, 2, 5, 3
Burst Option2, 2, 5, 3, 1
Damping2, 2, 1, 1, 3
Date2, 2, 5, 4
Descriptor2, 2, 7, 1, 4
Digital to Analog Trim (4–20 mA Output)3, 4, 1, 2, 3, 1
Disable Zero & Span Adjustment2, 2, 6, 4
Field Device Information1, 7
LCD Display Configuration2, 2, 4
Loop Test3, 5, 1
Lower Sensor Trim3, 4, 1, 2
Message2, 2, 7, 1, 6
Module Temperature/Trend3, 3, 2
Poll Address2, 2, 5, 2, 1
Pressure Alert Configuration2, 3, 4, 1
Range Values2, 2, 2, 2
Re-mapping2, 2, 5, 1
Rerange - Keypad Input2, 2, 2, 2, 1
Rerange with Keypad2, 2, 2, 3
Saturation Level Configuration2, 2, 2, 5, 6
Scaled D/A Trim (4–20 mA Output)3, 4, 1, 2, 3, 2
Scaled Variable Configuration2, 2, 3, 7
Sensor Information (Materials of Construction)1, 7, 3, 1
Sensor Trim3, 4, 1, 1, 1
Sensor Trim Points3, 4, 1, 1, 4
Tag2, 2, 7, 1, 1
Temperature Alert Configuration2, 3, 4, 2
Transfer Function (Setting Output Type)2, 2, 3, 3
Transmitter Security (Write Protect)1, 7, 4, 6, 1
Units (Process Variable)2, 2, 1, 1, 2
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FunctionFast Key sequence
Upper Sensor Trim3, 4, 1, 1
Zero Trim3, 4, 1, 3
2.5Check output
Before performing other transmitter on-line operations, review the digital output
parameters to ensure that the transmitter is operating properly and is configured to the
appropriate process variables.
2.5.1Process variables
The process variables for the Rosemount 3051S provide transmitter output, and are
continuously updated. The pressure reading in both engineering units and percent of
range will continue to track with pressures outside of the defined range from the lower to
the upper range limit of the SuperModule™.
View Process Variables on the Field Communicator
Table 2-1: Field Communicator Fast Key Sequences
Device Dashboard Fast Keys3, 2
HART 5 with Diagnostics Fast Keys3, 2, 1
HART 7 Fast Keys3, 2, 2
Enter the Fast Key sequence Process Variables to view the process variables.
Note
Regardless of the range points, the Rosemount 3051S will measure and report all readings
within the digital limits of the sensor. For example, if the 4 and 20 mA points are set to
0 and 10 inH2O, and the transmitter detects a pressure of 25 inH2O, it digitally outputs the
25 inH2O reading and a 250 percent of span reading.
View Process Variables on the AMS Device Manager
Procedure
1. Right click on the device and select Overview from the menu.
2. Select All Variables to display the primary, secondary, tertiary, and quaternary
variables.
2.5.2
28Emerson.com/RosemountEmerson.com/Rosemount
Module temperature
The Rosemount 3051S contains a temperature sensor near the pressure sensor in the
SuperModule. When reading this temperature, keep in mind module temperature is not a
process temperature reading.
Reference ManualConfiguration
00809-0100-4801June 2021
View the Module Temperature reading on the Field
Communicator
Table 2-2: Field Communicator Fast Key Sequences
Device Dashboard Fast Keys3, 2, 3
HART 5 with Diagnostics Fast Keys3, 2, 1, 2
HART 7 Fast Keys3, 2, 2, 2
Enter the Fast Key sequence Module Temperature to view the module temperature
reading.
View the Module Temperature reading on the AMS Device
Manager
Procedure
1. Right click on the device and select Overview from the menu.
2. Click All Variables.
2.6Basic setup
2.6.1Set Process Variable Units
The PV Unit command sets the process variable units to allow you to monitor your process
using the appropriate units of measure.
Set Process Variable Units on the Field Communicator
Device Dashboard Fast Keys
HART 5 with Diagnostics Fast Keys2, 2, 1, 1, 2
HART 7 Fast Keys2, 2, 1, 1, 2
Enter the Fast Key sequence Set Process Variable Units. Select from the following
engineering units:
• inH2O
• inHg• mbar• atm
• ftH2O• g/cm
• mmH2O• kg/cm
• mmHg• Pa• mmH2O at 4 °C
• bar• torr
2
2, 2, 1, 2
• MPa
2
• inH2O at 4 °C
• psi• kPa
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Set Process Variable Units on the AMS Device Manager
Procedure
1. Right click on the device and select Configure from the menu.
2. Select Manual Setup from the left window pane.
3. Select the Process Variables tab.
4. Click the Unit drop down menu to select units.
2.6.2Set output (transfer function)
The Rosemount 3051S has two output settings: linear and square root. Activate the
square root output option to make analog output proportional to flow. As input
approaches zero, the pressure transmitter automatically switches to linear output in order
to ensure a more smooth, stable output near zero (see Figure 2-14 ).
From 0 to 0.6 percent of the ranged pressure input, the slope of the curve is unity (y = x).
This allows accurate calibration near zero. Greater slopes would cause large changes in
output (for small changes at input). From 0.6 to 0.8 percent , curve slope equals 42 (y =
42x) to achieve continuous transition from linear to square root at the transition point.
Note
If low flow cutoff configuration is desired, use Scaled variable configuration to configure
square root and Re-mapping to map the scaled variable as the primary variable.
Note
If scaled variable is mapped as the primary variable and square root mode is selected,
ensure that transfer function is set to linear. Do not set the transfer function to square root
if square root mode is selected for the primary variable as this would cause the square root
function to be performed twice.
Set Output on the Field Communicator
Device Dashboard Fast Keys
HART 5 with Diagnostics Fast Keys2, 2, 1, 1, 4
HART 7 Fast Keys2, 2, 1, 1, 4
Procedure
1. Enter the Fast Key sequence for Set Output (Transfer Function).
2. Select Send.
2, 2, 1, 4
Set the Output on the AMS Device Manager
Procedure
1. Right click on the device and select Configure from the menu.
2. Select Manual Setup from the left window pane.
3. Select the Process Variables tab.
30Emerson.com/RosemountEmerson.com/Rosemount
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