Rosemount Quick Start Guide: 2051 Pressure Transmitter and 2051CF Series Flowmeter with WirelessHART® Protocol | Rosemount Manuals & Guides

Quick Start Guide

00825-0100-4102, Rev EA

October 2019

Rosemount™ 2051 Pressure Transmitter
and Rosemount 2051CF DP Flow Meter

with WirelessHART® Protocol

Quick Start Guide October 2019

Safety Messages

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.

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.

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. Review the approvals section of the
Rosemount Reference Manual for any restrictions associated with a safe installation.Before connecting
a handheld communicator in an explosive atmosphere, ensure that the instruments in the loop are
installed in accordance with intrinsically safe or non-incendive field wiring practices.

Process leaks could result in death or serious injury.

To avoid process leaks, only use the O-ring designed to seal with the corresponding flange adapter.

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.

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.

Contents

Wireless considerations................................................................................................................5

Mount the transmitter..................................................................................................................6

Housing rotation........................................................................................................................ 13

Connect the power module........................................................................................................14

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October 2019 Quick Start Guide

Trim the transmitter...................................................................................................................15

Verify transmitter configuration.................................................................................................17

Troubleshooting........................................................................................................................ 20

Product certifications................................................................................................................. 21

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Quick Start Guide October 2019

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October 2019 Quick Start Guide

1 Wireless considerations

1.1 Power up sequence

The power module should not be installed on any wireless device until the
Emerson 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 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 1-1 shows
how to connect the Field Communicator to the transmitter. Open the power
module compartment to hook up the leads.

Figure 1-1: Field Communicator Connections

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Quick Start Guide October 2019

2 Mount the transmitter

2.1 Liquid applications

Procedure

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.

2.2 Gas applications

Procedure

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

2. Mount beside or above the taps.

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October 2019 Quick Start Guide

2.3 Steam applications

Procedure

1. Place taps to the side of the line.

2. Mount beside or below the taps.

3. Fill impulse lines with water.

Figure 2-1: Panel and Pipe Mounting

Panel mount

Coplanar flange

Traditional flange

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(1)

Pipe mount

Quick Start Guide October 2019

Rosemount 2051T

2.4

(1) × 1 panel bolts are customer supplied.

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 2-2 illustrates common transmitter assemblies with the bolt length

required for proper transmitter assembly.

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A

4 × 1.75-in.

(44 mm)

D

4 × 1.75-in.

(44 mm)

4 × 2.25-in.

(57 mm)

C

4 × 1.75-in.

(44 mm)

4

× 1.50-in.

(38 mm)

B

4 × 2.88-in.

(73 mm)

October 2019 Quick Start Guide

Figure 2-2: 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 2-1. If bolt material is not shown in Table 2-1, contact a local Emerson

representative for more information.

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.

Use the following bolt installation procedure:

Procedure

1. Finger tighten the bolts.

2. Torque the bolts to the initial torque value using a crossing pattern.
See Table 2-1 for initial torque value.

3. Torque the bolts to the final torque value using the same crossing
pattern. See Table 2-1 for final torque value.

4. Verify the flange bolts are protruding through the sensor module

Quick Start Guide 9

bolt holes before applying pressure.

B7M

316

316

316

SW

316

STM

316

R

B8M

Quick Start Guide October 2019

Table 2-1: Torque Values for the Flange and Flange Adapter Bolts

Bolt material Head markings Initial

CS

SST

2.5 O-rings

The two styles of Rosemount flange adapters (Rosemount 1151 and
Rosemount 3051/2051/2024/3095) each require a unique O-ring (see

Figure 2-3). Use only the O-ring designed for the corresponding flange

adapter.

WARNING

Failure to install proper flange adapter O-rings may cause process leaks,
which can result in death or serious injury. The two flange adapters are
distinguished by unique O-ring grooves. Only use the O-ring that is designed
for its specific flange adapter, as shown below. When compressed, PTFE O­rings tend to cold flow, which aids in their sealing capabilities.

torque

Final torque

300 in-lb 650 in-lb

150 in-lb 300 in-lb

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