Emerson Rosemount 3051 User manual

Quick Start Guide
00825-0100-5007, Rev DE
August2023
Rosemount™ 3051 Pressure
Transmitter

Contents
About this guide .......................................................................................................................... 3
System readiness......................................................................................................................... 5
Transmitter installation...............................................................................................................7
Safety instrumented systems installation...............................................................................23
Product certifications................................................................................................................ 24
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1 About this guide
This guide provides basic guidelines for Rosemount 3051 Pressure
Transmitters. It does not provide instructions for configuration,
diagnostics, maintenance, service, troubleshooting, Explosion-proof,
Flameproof, or Intrinsically Safe (IS) installations. Refer to the
Rosemount 3051 Manual for more instructions. This guide is also
available electronically at Emerson.com.
1.1 Safety messages
WARNING
Explosions
Explosions could result in death or serious injury.
Installation of device in an explosive environment must be in
accordance with appropriate local, national, and international
standards, codes, and practices. Review the approvals section of
the Rosemount 3051 Manual for any restrictions associated with a
safe installation.
In an explosionproof/flameproof installation, do not remove the
transmitter covers when power is applied to the transmitter.
WARNING
Process leaks
Process leaks may cause harm or result in death.
To avoid process leaks, only use the O-ring designed to seal with the
corresponding flange adapter.
WARNING
Electrical shock
Electrical shock can result in 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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WARNING
Conduit/cable entries
Unless otherwise marked, the conduit/cable entries in the
housing enclosure use a ½–14 NPT form. Only use plugs,
adapters, glands, or conduit with a compatible thread form when
closing these entries.
Entries marked M20 are M20 x 1.5 thread form. On devices with
multiple conduit entries, all entries will have the same thread
form.
When installing in a hazardous location, use only appropriately
listed or Ex certified plugs, glands, or adapters in cable/conduit
entries.
WARNING
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 in protecting your system. Restrict physical access by
unauthorized personnel to protect end users’ assets. This is true for
all systems used within the facility.
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2 System readiness
Confirm HART® revision capability
•If using HART-based control or asset management systems,
confirm the HART capability of those systems prior to transmitter
installation. Not all systems are capable of communicating with
HART Revision 7. You can configure this transmitter for either
HART Revision 5 or 7.
•For instructions on how to change the HART revision of your
transmitter, see Switch HART® revision mode.
2.1 Confirm correct device driver
•Verify the latest device driver (DD/DTM™) is loaded on your
systems to ensure proper communications.
•Download the latest device driver from Emerson.com or
Fieldcommgroup.org.
Rosemount 3051 device revisions and drivers
Table 2-1 provides the information necessary to ensure you have the
correct device driver and documentation for your device.
Table 2-1: Rosemount 3051 with 4-20 mA HART® protocol device revisions
and files
Release
date
Device identification Device driver
identification
Review
instruc-
tions
Review
function
ality
NAMUR
hard-
ware
revision
(1)
(1) HART
soft-
ware
revision
(2)
HART
univer-
sal
revision
Device
revision
(3)
Rose-
mount
2088,
2090P,
and
2090F
pres-
sure
trans-
mitters
Change
descrip-
tion
Aug-16 1.1.xx 1.0.xx 3 7 10 with
HART
and 1–5
Vdc Low
Power
Protocol
Refer-
ence
Manual
(4)
5 9
Jan-13 N/A 1.0.xx 1 7 10 (5)
5 9
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Table 2-1: Rosemount 3051 with 4-20 mA HART® protocol device revisions
and files (continued)
Release
date
Device identification Device driver
identification
Review
instruc-
tions
Review
function
ality
NAMUR
hard-
ware
revision
(1)
(1) HART
soft-
ware
revision
(2)
HART
univer-
sal
revision
Device
revision
(3)
Rose-
mount
2088,
2090P,
and
2090F
pres-
sure
trans-
mitters
Change
descrip-
tion
Jan-98 N/A N/A 178 5 3 
with 4–
20 mA
HART
and 1–5
Vdc Low
Power
Protocol
Refer-
ence
Manual
N/A
(1) NAMUR revision is located on the hardware tag of the device. Differences in level
3 changes, signified above by xx, represent minor product changes as defined
per NE53. Compatibility and functionality are preserved and product can be used
interchangeably.
(2) HART software revision can be read using a HART capable configuration tool. Value
shown is minimum revision that could correspond to NAMUR revisions.
(3) Device driver file names use Device and DD Revision, (such as 10_01). HART protocol
is designed to enable legacy device driver revisions to continue to communicate
with new HART devices. To access new functionality, download the new device
driver. Emerson recommends downloading new device driver files to ensure full
functionality.
(4) HART revision 5 and 7 selectable, Local Operator Interface (LOI), scaled variable,
configurable alarms, and expanded engineering units.
(5) Rosemount 3051G Pressure Transmitter updated electronics hardware design.
Intrinsic Safety temperature classification change.
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3 Transmitter installation
3.1 Mounting the transmitter
3.1.1 Mount the transmitter in liquid applications
Procedure
1. Place taps to the side of the line.
2. Note
When mount the transmitter, verify the drain/vent valves are
oriented upward.
Mount the transmitter beside or below the taps.
Figure 3-1: Coplanar and in-line liquid applications
Coplanar In-line
Flow
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3.1.2 Mount the transmitter in gas applications
Procedure
1. Place taps in the top or side of the line.
2. Mount the transmitter beside or above the taps.
Figure 3-2: Coplanar and in-line gas applications
Coplanar In-line
Flow
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3.1.3 Mount the transmitter in steam applications
Procedure
1. Place taps to the side of the line.
2. Mount the transmitter beside or below the taps.
3. Fill impulse lines with water.
Figure 3-3: Coplanar and in-line steam applications
Coplanar In-line
Flow
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Figure 3-4: Panel and pipe mounting
A. Panel mount (5/6 x 1½ panel bolts are customer supplied
B. Coplanar flange
C. Pipe mount
D. Traditional flange
3.1.4 Assemble the transmitter
If the transmitter installation requires assembly of the process
flanges, manifolds, or flange adapters, follow the assembly
guidelines to ensure a tight seal for optimal performance. Use only
bolts supplied with the transmitter or sold by Emerson as spare
parts. Figure 3-5 illustrates common transmitter assemblies with the
required bolt lengths.
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Figure 3-5: Common transmitter assemblies
A. Transmitter with coplanar flange
B. Transmitter with coplanar flange and optional flange adapters
C. Transmitter with traditional flange and optional flange adapters
D. Transmitter with coplanar flange and optional manifold and
flange adapters
Bolts are typically Carbon Steel (CS) or Stainless Steel (SST). Confirm
the material by viewing the markings on the head of the bolt and
referencing Table 3-1. If bolt material is not shown in Table 3-1,
contact a local Emerson representative for more information.
Table 3-1: Torque values for the flange and flange adapter bolts
Bolt material Head markings Initial torque Final torque
CS
B7M


300 in-lb

650 in-lb
SST
316
316
316
SW
316
STM
316
R
B8M

150 in-lb 300 in-lb
CS bolts do not require lubrication, and SST bolts are coated with a
lubricant to ease installation. When installing either type of bolt, do
not apply additional lubricant.
Procedure
1. Finger-tighten the bolts.
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2. Torque the bolts to the initial torque value using a crossing
pattern.
See Table 3-1 for initial torque value.
3. Torque the bolts to the final torque value using the same
crossing pattern.
See Table 3-1 for final torque value.
4. Before applying pressure, verify that the flange bolts are
protruding through the isolator plate.
3.1.5 In-line gage transmitter orientation
The low side pressure port (atmospheric reference) on the in-line
gage transmitter is located in the neck of the transmitter, behind the
housing. The vent path is 360° around the transmitter between the
housing and sensor. (See Figure 3-6)
Mounting the transmitter so that the process can drain away keeps
the vent path free of any obstruction, including but not limited to
paint, dust, and lubrication.
Figure 3-6: In-line Gage Low Side Pressure Port
A
A. Low side pressure port (atmospheric reference)
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3.1.6 Consider housing rotation
To improve field access to wiring or to better view the optional LCD
display:
Procedure
1. Loosen the housing rotation set screw using a
5
64
″ hex wrench.
2. Turn the housing left or right maximum up to 180° from its
original position.(1)
Note
Over-rotating can damage the transmitter.
3. When desired location is reached, re-tighten the housing
rotation set screw to no more than 7in‑lb.
Figure 3-7: Housing Rotation Set Screw
A
A. Housing rotation set screw (
5
64
″)
CAUTION
Overrotation of housing may cause damage to module
communication cable.
3.2 Set the switches
Procedure
1. Set alarm and security switch configuration before installation
as shown in Figure 3-8.
(1) Rosemount 3051D original position aligns with “H” side; Rosemount 3051G
original position is the opposite side of bracket holes.
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2. If the transmitter is installed, secure the loop and remove
power.
3. Note
Do not remove the instrument cover in explosive atmospheres
when the circuit is live.
Remove the housing cover opposite the field terminal side.
4. NOTICE
The alarm switch sets the analog output alarm to High or Low.
Default alarm is High.
NOTICE
The security switch allows (unlocked symbol) or prevents
(locked symbol) any configuration of the transmitter. Default
security is Off (unlocked symbol).
Slide the security and alarm switches into the preferred
position using a small screwdriver.
5. Note
The cover must be fully engaged to comply with explosion-
proof requirements.
Reattach the transmitter cover.
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Figure 3-8: Transmitter Electronics Board
Without LCD display With LCD/LOI display
A
B

A. Alarm
B. Security
3.3 Connect the wiring and power up
Figure 3-9: Transmitter Wiring Diagrams (4–20 mA)
A
B
C
A. 24 Vdc supply
B. RL≥ 250
C. Current meter (optional)
Shielded twisted pair cable should be used for best results. Use 24
AWG or larger wire that does not exceed 5,000 ft. (1500 m) in length.
If applicable, install wiring with a drip loop. Arrange the drip loop so
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the bottom is lower than the conduit connections and the transmitter
housing.
CAUTION
Installation of the transient protection terminal block does not
provide transient protection unless the Rosemount 3051 case is
properly grounded.
Do not run signal wiring in conduit or open trays with power wiring,
or near heavy electrical equipment.
Do not connect the powered signal wiring to the test terminals.
Power could damage the test diode in the terminal block.
To wire the transmitter:
Procedure
1. Remove the housing cover on the FIELD TERMINALS side.
2. Connect the positive lead to the “+” terminal (PWR/COMM) and
the negative lead to the “–” terminal.
3. Ground housing to fulfill local grounding regulations.
4. Ensure proper grounding. It is important that the instrument
cable shield be:
a) Trimmed close and insulated from touching the
transmitter housing
b) Connected to the next shield if cable is routed through
a junction box
c) Connected to a good earth ground at the power supply
end
5. If transient protection is needed, refer to "Grounding for
transient terminal block" for grounding instructions.
6. Plug and seal unused conduit connections.
7. Replace the housing cover.
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Figure 3-10: Wiring
DP
A
B
C
A. Insulate shield and shield drain wire.
B. Insulate exposed shield drain wire.
C. Connect shield back to the power supply ground.
3.3 Grounding for transient terminal block
Ground termination is provided on the outside of the electronics
housing and inside the terminal compartment. These grounds are
used when the transient protection terminal blocks are installed. It is
recommended that 18 AWG or larger wire is used to connect housing
ground to earth ground (internal or external).
If the transmitter is currently not wired for power up and
communication, follow Connect the wiring and power up. When the
transmitter is properly wired, refer to Figure 3-10 for internal and
external transient grounding locations.
3.4 Verifying configuration
Verify the configuration using any HART®-capable configuration tool.
Configuration instructions for a Field Communicator are included in
this step. See Rosemount 3051 Reference Manual for configuration
instructions using AMS Device Manager.
3.4.1 Verifying configuration with a Field Communicator
A Rosemount 3051 DD must be installed on the Field Communicator
to verify configuration. Fast Key sequences for the latest DD are
shown in Table 2-2. For Fast Key sequences using legacy DD's,
contact your local Emerson representative.
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Note
Emerson recommends installing the latest DD to access the complete
functionality. Visit Field Communicator for information on updating
the DD library.
Procedure
Verify device configuration using the Fast Key sequences in Table 2-2.
•A check (✓) indicates the basic configuration parameters. At
minimum, these parameters should be verified as part of
configuration and startup.
•A (7) indicates availability only in HART® Revision 7 mode.
 Function Fast Key sequence
HART® 7 HART 5
✓Alarm and Saturation Levels 2, 2, 2, 5, 7 2, 2, 2, 5, 7
✓Damping 2, 2, 1, 1, 5 2, 2, 1, 1, 5
✓Range Values 2, 2, 2, 2, 2, 2
✓Tag 2, 2, 7, 1, 1 2, 2, 7, 1, 1
✓Transfer Function 2, 2, 1, 1, 6 2, 2, 1, 1, 6
✓Units 2, 2, 1, 1, 4 2, 2, 1, 1, 4
 Burst Mode 2, 2, 5, 3 2, 2, 5, 3
 Custom Display Configuration 2, 2, 4 2, 2, 4
 Date 2, 2, 7, 1, 4 2, 2, 7, 1, 3
 Descriptor 2, 2, 7, 1, 5 2, 2, 7, 1, 4
 Digital to Analog Trim (4–20 mA
output)
3, 4, 2 3, 4, 2
 Disable Configuration Buttons 2, 2, 6, 3 2, 2, 6, 3
 Rerange with Keypad 2, 2, 2, 1 2, 2, 2, 1
 Loop Test 3, 5, 1 3, 5, 1
 Lower Sensor Trim 3, 4, 1, 2 3, 4, 1, 2
 Message 2, 2, 7, 1, 6 2, 2, 7, 1, 5
 Scaled D/A Trim (4–20 mA output) 3, 4, 2 3, 4, 2
 Sensor Temperature/Trend
(Rosemount 3051S)
3, 3, 3 3, 3, 3
 Upper Sensor Trim 3, 4, 1, 1 3, 4, 1, 1
 Digital Zero Trim 3, 4, 1, 3 3, 4, 1, 3
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 Function Fast Key sequence
HART® 7 HART 5
 Password 2, 2, 6, 5 2, 2, 6, 4
 Scaled Variable 3, 2, 2 3, 2, 2
 HART revision 5 to HART Revision 7
switch
2, 2, 5, 2, 3 2, 2, 5, 2, 3
✓Long Tag 2, 2, 7, 1, 2 N/A
✓Find Device 3, 4, 5 N/A
✓Simulate Digital Signal 3, 4, 5 N/A
Note
See Figure 3-10 to confirm external button functionality.
3.4.2 Verify configuration with local operator interface (LOI)
The optional local operator interface (LOI) can be used for
commissioning the device. The LOI is a two button design with
internal and external buttons. The internal buttons are located on
the display of the transmitter, while the external buttons are located
underneath the top metal tag. LOI button functionality is shown on
the bottom corners of the display.
To activate the LOI, push any button. See Table 3-2 and Figure 3-12
for button operation and menu information.
Figure 3-11: Internal and External LOI Buttons
AB
A. Internal buttons
B. External buttons
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Table 3-2: LOI Button Operation
Button

Left No SCROLL
Right Yes ENTER
Figure 3-12: LOI Menu
Assign PV
HART Revision
3.4.3 Switch HART® revision mode
If the HART configuration tool is not capable of communicating with
HART Revision 7, the Rosemount 3051 will load a generic menu with
limited capability. The following procedures will switch the HART
revision mode from the generic menu:
Procedure
Manual Setup → Device Information → Identification → Message
a) To change to HART Revision 5, Enter: “HART5” in the Message
field
b) To change to HART Revision 7, Enter: “HART7” in the Message
field
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