Emerson Rosemount 2051 User manual

Quick Start Guide

00825-0100-4102, Rev CC

May 2017

Rosemount™2051 Pressure Transmitter

and Rosemount 2051CF DP Flowmeters

with WirelessHART®Protocol

00825-0100-4102_RevCC.fm Page 1 Wednesday, May 3, 2017 3:23 PM

May 2017

Quick Start Guide

NOTICE

This guide provides basic guidelines for Rosemount 2051 Wireless Transmitters. It does not provide

instructions for configuration, diagnostics, maintenance, service, troubleshooting or intrinsically safe (I.S.)

installations. Refer to the Rosemount 2051 Wireless 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

2051 Wireless 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.

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.

Shipping considerations for wireless products:

The unit was shipped to you without the power module installed. Remove the power module prior to shipping

the unit.

Each power module contains one “D” size primary lithium-thionyl chloride battery. Primary lithium batteries

are regulated in transportation by the U.S. Department of Transportation, and are also covered by IATA

(International Air Transport Association), ICAO (International Civil Aviation Organization), and ARD (European

Ground Transportation of Dangerous Goods). It is the responsibility of the shipper to ensure compliance with

these or any other local requirements. Consult current regulations and requirements before shipping.

Contents

Wireless considerations. . . . . . . . . . . . . . . . . . . . 3

Mount the transmitter. . . . . . . . . . . . . . . . . . . . . 4

Consider housing rotation . . . . . . . . . . . . . . . . . 7

Connect the power module . . . . . . . . . . . . . . . . 8

Trim the transmitter. . . . . . . . . . . . . . . . . . . . . . . 8

Verify transmitter configuration . . . . . . . . . . . 10

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 13

Product Certifications . . . . . . . . . . . . . . . . . . . . 14

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Quick Start Guide

May 2017

1.0 Wireless considerations

1.1 Power up sequence

The power module should not be installed on any wireless device until the

Emerson™Smart Wireless Gateway (Gateway) is installed and functioning

properly. This transmitter uses the green power module (order model number

701PGNKF). Wireless devices should also be powered up in order of proximity

from the Gateway, beginning with the closest. This will result in a simpler and

faster network installation. Enable active advertising on the Gateway to ensure

new devices join the network faster. For more information, see the Emerson

Smart Wireless Gateway Reference Manual.

1.2 Connecting the transmitter with a Field Communicator

In order for the Field Communicator to interface with the Rosemount 2051

Wireless, the power module must be connected. This transmitter uses the green

power module (order model number 701PGNKF). Figure 1 shows how to connect

the Field Communicator to the transmitter. Open the power module

compartment to hook up the leads.

Figure 1. Field Communicator Connections

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Quick Start Guide

2.0 Mount the transmitter

2.1 Mounting in liquid applications

1. Place taps to the side of the line.

2. Mount beside or below the taps.

3. Mount the transmitter so the drain/vent valves are oriented upward.

Figure 2. Liquid Applications

A. Coplanar

B. In-line

2.2 Mounting in gas applications

1. Place taps in the top or side of the line.

2. Mount beside or above the taps.

Figure 3. Gas Applications

A. Coplanar

B. In-line

2.3 Mounting in steam applications

1. Place taps to the side of the line.

2. Mount beside or below the taps.

3. Fill impulse lines with water.

Figure 4. Steam Applications

A. Coplanar

B. In-line

Flow

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Quick Start Guide

May 2017

2.4 Attaching mounting brackets

Figure 5. Panel and Pipe Mount

Panel mount Pipe mount

Coplanar flange

Traditional flange

In-line

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May 2017

Quick Start Guide

Figure 6. 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 or stainless steel. Confirm the material by viewing

the markings on the head of the bolt and referencing Table 1. If bolt material is

not shown in Table 1, contact a local Emerson representative for more

information.

2.5 Bolt installation

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 1 for initial torque value.

4. Torque the bolts to the final torque value using the same crossing pattern.

See Table 1 for final torque value.

5. Verify the flange bolts are protruding through the isolator plate before

applying pressure.

2.6 Bolting considerations

If the transmitter installation requires assembly of the process flanges, manifolds,

or flange adapters, follow these 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 6 illustrates

common transmitter assemblies with the bolt length required for proper

transmitter assembly.

4 × 1.75-in. (44 mm)

4 × 1.75-in.

(44 mm)

4 × 2.88-in. (73 mm)

4 × 1.75-in. (44 mm)

4 × 1.75-in.

(44 mm)

4 × 2.25-in.

(57 mm)

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Quick Start Guide

May 2017

2.7 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 between the housing and sensor of the transmitter. (See Figure 7.)

Keep the vent path free of any obstruction, including but not limited to paint,

dust, and lubrication by mounting the transmitter so the process can drain away.

Figure 7. In-line Gage Low Side Pressure Port

A. Low side pressure port (atmospheric reference)

3.0 Consider housing rotation

To improve visibility of optional LCD display:

1. Loosen the housing rotation screw.

2. First rotate the housing clockwise to the desired location. If the desired

location cannot be achieved due to thread limit, rotate the housing counter

clockwise to the desired location (up to 360° from thread limit).

3. Re-tighten the housing rotation screw (see Figure 8 on page 8).

Table 1. Torque Values for the Coplanar Flange and Flange Adapter Bolts

Bolt material Head markings Initial torque Final torque

Carbon Steel (CS) 300 in-lb 650 in-lb

Stainless Steel (SST) 150 in-lb 300 in-lb

Keep the vent path free of any obstruction, including but not limited to paint, dust, and lubrication by

mounting the transmitter so the contaminants can drain away.

B7M

316

STM

316

B8M

00825-0100-4102_RevCC.fm Page 7 Wednesday, May 3, 2017 3:23 PM

May 2017

Quick Start Guide

Figure 8. Housing Rotation

A. Housing rotation screw (5/64-in. hex wrench required)

4.0 Connect the power module

1. Remove the power module cover.

2. Connect the green power module (see Figure 9).

Figure 9. Power Module

A. Power module

5.0 Trim the transmitter

Devices are calibrated by the factory. Once installed, it is recommended to

perform a zero trim on gage and differential pressure transmitters to eliminate

error due to mounting position or static pressure effects. A zero trim can be

performed using either a Field Communicator or configuration buttons.

For instructions using AMS Wireless Configurator, see the Rosemount 2051

Wireless Reference Manual.

Note

When performing a zero trim, ensure the equalization valve is open and all wet legs are filled

to the correct level.

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Quick Start Guide

May 2017

5.1 Trimming with a Field Communicator

1. Equalize or vent the transmitter and connect Field Communicator.

2. At the menu, input the HART Fast Key sequence.

3. Follow the commands to perform a zero trim.

From the Home screen, enter the Fast Key sequence.

For connecting with a Field Communicator, refer to Figure 1 on page 3.

5.2 Trimming with digital zero trim button

1. Set the transmitter pressure.

2. Remove the electronics housing cover.

3. Press and hold the Zero button for two seconds to perform a digital zero trim.

4. Reinstall transmitter housing cover. Ensure a proper seal by installing the

electronics housing cover so the polymer contacts polymer (i.e. no O-ring

visible).

Figure 10. Digital Zero Button

A. Digital zero button

Note

A zero trim can also be completed using AMS Wireless Configurator once the device has

joined the network.

It is not recommended to zero an absolute transmitter, Rosemount 2051CA or 2051TA models.

Device Dashboard Fast Keys 2, 1, 2

Digital Zero

Trim

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May 2017

Quick Start Guide

6.0 Verify transmitter configuration

Operation can be verified in four locations:

At the device via the Local display (LCD display)

By using the Field Communicator

Via the Smart Wireless Gateway’s integrated web interface

Via AMS Wireless Configurator

6.1 Verify transmitter configuration using LCD display

The LCD display will show the output values at the same rate as the wireless

update rate. Refer to the Rosemount 2051 Wireless Reference Manual for error

codes and other LCD display messages. Press and hold the Diagnostic button for

at least five seconds to display the TAG, Device ID, Network ID, Network Join Status,

and Device Status screens.

6.2 Verify transmitter configuration using Field Communicator

For HART Wireless transmitter communication, a Rosemount 2051 Wireless

Transmitter Device Descriptor is required. For connecting with a Field

Communicator, refer to Figure 1 on page 3.

From the Home screen, enter the Fast Key sequence.

Searching for Network Joining Network Connected with Limited

Bandwidth Connected

Device Dashboard Fast Keys 3, 5

N E T w K

S R C H N G

n e t w k

N E G O T

n e t w k

L I M -O P

n e t w k

O K

00825-0100-4102_RevCC.fm Page 10 Wednesday, May 3, 2017 3:23 PM

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