Emerson Rosemount 3051 Bedienungsanleitung

Quick Start Guide

00825-0100-4007, Rev HG

December2023

Rosemount™ 3051 Pressure

Transmitter and 3051CF Series Flow

Meter

with 4-20 mA HART®

Contents

About this guide...........................................................................................................................3

Mounting the transmitter........................................................................................................... 5

Rotate housing........................................................................................................................... 13

Set the switches......................................................................................................................... 14

Connect the wiring and power up........................................................................................... 16

Verify configuration parameters..............................................................................................21

Trimming the transmitter......................................................................................................... 25

Safety Instrumented Systems (SIS)..........................................................................................27

Product certifications................................................................................................................ 28

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1 About this guide

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 (IS) installations. Refer to the Rosemount 3051

Pressure Transmitter Manual for more instructions. This guide and

the referenced manual are also available on Emerson.com.

1.1 Safety messages

WARNING

Explosions

Explosions could result in death or serious injury.

Before connecting a communication device in an explosive

atmosphere, ensure that the instruments are installed in

accordance with intrinsically safe or non-incendive field wiring

practices.

In an explosion-proof/flame-proof 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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Quick Start Guide 3

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.

NOTICE

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 × 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.

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2 Mounting the transmitter

WARNING

Process connection temperatures above +185 °F (+85 °C) require a

limited ambient temperature, reduced by a 1:1.5 ratio.

Consider process connection and ambient temperatures when

installing the 3051 with hazardous location certifications. See Table

2-1.

Table 2-1: Intrinsically safe/increased safety

Process connection temperature Maximum ambient temperature

-76 to +185 °F (-60 to +85 °C) +158 °F (+70 °C)

+185 to +250 °F (+85 to +121 °C) +158 to +320 °F (+70 to +160 °C)(1)

(1) Maximum ambient temperature is reduced by a ratio of 1:1.5 as process

connection temperature increased beyond +185 °F (+85 °C).

2.1 Mount the transmitter in a liquid flow application

Procedure

1. Place taps to the side of the line.

2. Mount the transmitter beside or below the taps.

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Quick Start Guide 5

3. Mount the transmitter so that the drain/vent valves are

oriented upward.

2.2 Mount the transmitter in a gas flow application

NOTICE

A bracket is required to support the transmitter and the ¼-inch

tubing going into the transmitter.

Procedure

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

Quick Start Guide December2023

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2. Mount the transmitter beside or above the taps.

2.3 Steam flow applications

Procedure

1. Place taps to the side of the line.

2. Mount beside or below the taps.

3. Fill impulse lines with water.

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Quick Start Guide 7

2.4 Panel and pipe mount

Figure 2-1: Panel and Pipe Mounting

Panel mount(1) Pipe mount

Coplanar flange

Traditional flange

Rosemount 3051T

Rosemount 3051H

(1) 5/16 x 1½ panel bolts are customer supplied.

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8 Emerson.com

2.5 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 2-2 illustrates common transmitter assemblies

with the bolt length required for proper transmitter assembly.

Figure 2-2: Common transmitter assemblies

4 × 1.75-in.

(44 mm)

4 × 1.75-in.

(44 mm)

4 × 2.25-in.

(57 mm)

4 ×1.75-in.

(44 mm) 4 ×1.50-in.

(38 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 2-2. If bolt material is not shown in Table 2-2, contact your local

Emerson representative for more information.

2.5.1 Install bolts

NOTICE

Carbon steel bolts do not require lubrication and the stainless steel

bolts are coated with a lubricant to ease installation. Do not apply any

additional lubricant when installing either type of bolt.

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Quick Start Guide 9

Procedure

1. Finger-tighten the bolts.

2. Torque the bolts to the initial torque value using a crossing

pattern (see Table 2-2 for torque values).

3. Torque the bolts to the final torque value using the same

crossing pattern (see Table 2-2 for torque values).

4. Verify that the flange bolts are protruding through the isolator

plate before applying pressure.

Table 2-2: 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

Stainless

steel (SST)

316

STM

316

B8M



150 in-lb 300 in-lb

2.6 O-rings with flange adapters

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 in Figure 2-3.

Quick Start Guide December2023

10 Emerson.com

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