Rosemount 3051L Operating Manual
Quick Start Guide
00825-0100-4007, Rev DD
January 2017
Rosemount™ 3051 Pressure Transmitter and Rosemount 3051CF Series Flowmeters
with 4–20 mA HART® Revision 5 and 7 Protocol
Note
Before installing the transmitter, confirm the correct device driver is loaded on the host systems. See page 3 for system readiness.
Quick Start Guide |
January 2017 |
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NOTICE
This guide provides basic guidelines for Rosemount 3051 Transmitters. It does not provide instructions for configuration, diagnostics, maintenance, service, troubleshooting, Explosion-proof, Flameproof, or intrinsically safe (I.S.) installations. Refer to the Rosemount 3051 HART Revision 5 and 7 Reference Manual for more instruction. This manual is also available electronically on Emerson.com/Rosemount.
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. Review the approvals section of the Rosemount 3051 Reference Manual for any restrictions associated with a safe installation.
Before connecting a HART-based 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.
In an Explosion-proof/Flameproof installation, do not remove the transmitter covers when power is applied
to the unit.
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.
Electrical shock can result in death or serious injury.
Avoid contact with the leads and the terminals. High voltage that may be present on leads can cause
electrical shock.
Conduit/cable entries
Unless marked, the conduit/cable entries in the transmitter housing use a 1/2–14 NPT thread form.
Entries marked “M20” are M20 1.5 thread form. On devices with multiple conduit entries, all entries will have the same thread form.
Only use plugs, adapters, glands, or conduit with a compatible thread form when closing these entries.
Contents
System readiness . . . . . . . . . . . . . . . . . . . . . . . . . 3 Transmitter installation . . . . . . . . . . . . . . . . . . . 4 Mount the transmitter . . . . . . . . . . . . . . . . . . . . 4 Consider housing rotation . . . . . . . . . . . . . . . . . 8 Set the switches . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connect the wiring and power up . . . . . . . . . . 9 Verify configuration . . . . . . . . . . . . . . . . . . . . . 11 Trim the transmitter . . . . . . . . . . . . . . . . . . . . . 14 Safety instrumented systems installation . . . 15 Product certifications . . . . . . . . . . . . . . . . . . . . 16
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1.0System readiness
1.1Confirm 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 protocol. This transmitter can be configured for either HART Revision 5 or 7.
For instructions on how to change the HART revision of your transmitter, see page 13.
1.2Confirm correct device driver
Verify the latest device driver (DD/DTM™) is loaded on your systems to ensure proper communications.
Download the latest device driver at Emerson.com or Hartcomm.org.
Rosemount 3051 device revisions and drivers
Table 1 provides the information necessary to ensure you have the correct device driver and documentation for your device.
Table 1. Rosemount 3051 Device Revisions and Files
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Identify device |
Find device driver |
Review |
Review |
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instructions |
functionality |
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Software |
NAMUR |
HART |
HART |
Device |
Manual document |
Changes to |
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release |
software |
software |
universal |
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revision(3) |
number |
software(4) |
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date |
revision(1) |
revision(2) |
revision |
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Dec-11 |
1.0.0 |
01 |
7 |
10 |
00809-0100-4007 |
See Footnote 4 for |
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5 |
9 |
list of changes. |
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Jan-98 |
N/A |
178 |
5 |
3 |
00809-0100-4001 |
N/A |
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1.NAMUR software revision is located on the hardware tag of the device. In accordance with NE53, revisions of the least significant level X (of 1.0.X) do not change functionality or operation of the device and will not be reflected in this device revision history.
2.HART software revision can be read using a HART capable configuration tool.
3.Device driver file names use device and DD revision, e.g. 10_01. HART protocol is designed to enable legacy device driver revisions to continue to communicate with new HART devices. To access new functionality, the new device driver must be downloaded. It is recommended to download new device driver files to ensure full functionality.
4.HART Revision 5 and 7 Selectable, Power Diagnostics, Safety Certified, Local Operator Interface (LOI), Process Alerts, Scaled Variable, Configurable Alarms, Expanded Engineering Units.
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2.0Transmitter installation
2.1Mount the transmitter
Liquid applications
Coplanar |
In-line |
1.Place taps to the side of the line.
2.Mount beside or below the taps.
3.Mount the transmitter so that the drain/vent valves are oriented upward.
Flow
Gas applications
1. Place taps in the top or side of the line.
2. Mount beside or above the taps.
Flow
Steam applications
1.Place taps to the side of the line.
2.Mount beside or below the taps.
3.Fill impulse lines with water.
Flow
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January 2017 Quick Start Guide
Figure 1. Panel and Pipe Mounting
Panel mount(1) |
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Pipe mount |
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Coplanar flange |
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Traditional flange
Rosemount 3051T
1. 5/16 11/2 panel bolts are customer supplied.
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Bolting considerations
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 characteristics of the transmitters. Use only bolts supplied with the transmitter or sold by Emerson™ as spare parts. Figure 2 on page 6 illustrates common transmitter assemblies with the bolt length required for proper transmitter assembly.
Figure 2. Common Transmitter Assemblies
A C D
4 × 2.25-in. (57 mm)
4 × 1.75-in. (44 mm) B
4 × 1.75-in.
(44 mm) 4 × 1.50-in.
(38 mm)
4 × 1.75-in. (44 mm)
4 × 2.88-in. (73 mm)
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 or stainless steel. Confirm the material by viewing the markings on the head of the bolt and referencing Table 2 on page 7. If bolt material is not shown in Table 2, contact a local Emerson representative for more information.
Use the following bolt installation procedure:
1.Carbon steel bolts do not require lubrication and the stainless steel bolts are coated with a lubricant to ease installation. However, no additional lubricant should be applied when installing either type of bolt.
2.Finger-tighten the bolts.
3.Torque the bolts to the initial torque value using a crossing pattern. See Table 2 for initial torque value.
4.Torque the bolts to the final torque value using the same crossing pattern. See Table 2 for final torque value.
5.Verify the flange bolts are protruding through the isolator plate before applying pressure.
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January 2017 Quick Start Guide
Table 2. Torque Values for the Flange and Flange Adapter Bolts
Bolt material |
Head markings |
Initial torque |
Final torque |
Carbon Steel (CS) |
B7M |
300 in-lb |
650 in-lb |
316 |
B8M |
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316 |
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Stainless Steel (SST) |
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150 in-lb |
300 in-lb |
316 |
STM |
SW |
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R |
316 |
316 |
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Environmental seal for housing
Thread sealing (PTFE) tape or paste on male threads of conduit is required to provide a water/dust tight conduit seal and meets requirements of NEMA® Type 4X, IP66, and IP68. Consult factory if other ingress protection ratings are required.
For M20 threads, install conduit plugs to full thread engagement or until mechanical resistance is met.
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.)
Keep the vent path free of any obstruction, including but not limited to paint, dust, and lubrication by mounting the transmitter so that the process can drain away.
Figure 3. In-line Gage Low Side Pressure Port
A
A. Low side pressure port (atmospheric reference)
Installing high pressure coned and threaded connection
The transmitter comes with an autoclave connection designed for high pressure applications. Follow the steps below to properly connect the transmitter to your process:
1.Apply a process-compatible lubricant to the gland nut threads.
2.Slip the gland nut onto the tube, then thread the collar onto the tube end (the collar is reverse threaded).
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3.Apply a small amount of process-compatible lubricant applied to the tube cone to help prevent galling and facilitate sealing. Insert the tubing into the connection and tighten finger tight.
4.Tighten the gland nut to a torque of 25 ft-lb.
Note
A weep hole has been designed into the transmitter for safety and leak detection. If fluid begins to leak from the weep hole, isolate the process pressure, disconnect the transmitter, and reseal until the leak is resolved.
2.2Consider housing rotation
To improve field access to wiring or to better view the optional LCD display:
1.Loosen the housing rotation set screw using a 5/64-in. 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.Re-tighten the housing rotation set screw to no more than 7 in-lb when desired location is reached.
Figure 4. Transmitter Housing Set Screw
A
A. Housing rotation set screw (5/64-in.)
2.3Set the switches
Set alarm and security switch configuration before installation as shown in Figure 5.
The alarm switch sets the analog output alarm to high or low.
-Default alarm is high.
The security switch allows (unlocked symbol) or prevents (locked symbol) any configuration of the transmitter.
-Default security is off (unlocked symbol).
1.Rosemount 3051C original position aligns with “H” side; Rosemount 3051T original position is the opposite side of bracket holes.
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Use the following procedure to change the switch configuration:
1.If the transmitter is installed, secure the loop, and remove power.
2.Remove the housing cover opposite the field terminal side. Do not remove the instrument cover in explosive atmospheres when the circuit is live.
3.Slide the security and alarm switches into the preferred position using a small screwdriver.
4.Reattach the transmitter cover. The cover must be fully engaged to comply with explosion-proof requirements.
Figure 5. Transmitter Electronics Board
Without LCD display |
With LOI or LCD display |
A |
B |
A.Alarm
B.Security
2.4Connect the wiring and power up
Figure 6. 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 feet (1500 meters) in length. If applicable, install wiring with a drip loop. Arrange the drip loop so the bottom is lower than the conduit connections and the transmitter housing.
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Quick Start Guide |
January 2017 |
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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.
Use the following steps to wire the transmitter:
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.Tighten the terminal screws to ensure full contact with the terminal block screw and washer. When using a direct wiring method, wrap wire clockwise to ensure it is in place when tightening the terminal block screw.
Note
The use of a pin or ferrule wire terminal is not recommended as the connection may be more susceptible to loosening over time or under vibration.
4.Ground housing to fulfill local grounding regulations.
5.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
6.If transient protection is needed, refer to section “Grounding for transient terminal block” on page 11 for grounding instructions.
7.Plug and seal unused conduit connections.
8.Replace the housing cover.
Figure 7. Wiring
A C
B
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E |
D |
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A. Minimize distance |
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D. Insulate shield |
B. Trim shield and insulate |
E. Connect shield back to the power supply ground |
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C. Protective grounding terminal |
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